cpu/fetchdecode.cc

   1 /////////////////////////////////////////////////////////////////////////
   2 // $Id: fetchdecode.cc,v 1.218 2008/10/06 17:50:06 sshwarts Exp $
   3 /////////////////////////////////////////////////////////////////////////
   4 //
   5 //  Copyright (C) 2001  MandrakeSoft S.A.
   6 //
   7 //    MandrakeSoft S.A.
   8 //    43, rue d'Aboukir
   9 //    75002 Paris - France
  10 //    http://www.linux-mandrake.com/
  11 //    http://www.mandrakesoft.com/
  12 //
  13 //  This library is free software; you can redistribute it and/or
  14 //  modify it under the terms of the GNU Lesser General Public
  15 //  License as published by the Free Software Foundation; either
  16 //  version 2 of the License, or (at your option) any later version.
  17 //
  18 //  This library is distributed in the hope that it will be useful,
  19 //  but WITHOUT ANY WARRANTY; without even the implied warranty of
  20 //  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  21 //  Lesser General Public License for more details.
  22 //
  23 //  You should have received a copy of the GNU Lesser General Public
  24 //  License along with this library; if not, write to the Free Software
  25 //  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  26 //
  27 /////////////////////////////////////////////////////////////////////////
  28
  29 #define NEED_CPU_REG_SHORTCUTS 1
  30 #include "bochs.h"
  31 #include "cpu.h"
  32 #define LOG_THIS BX_CPU_THIS_PTR
  33
  34 ///////////////////////////
  35 // prefix bytes
  36 // opcode bytes
  37 // modrm/sib
  38 // address displacement
  39 // immediate constant
  40 ///////////////////////////
  41
  42 #define X 0 /* undefined opcode */
  43
  44 static const Bit8u BxOpcodeHasModrm32[512] = {
  45   /*       0 1 2 3 4 5 6 7 8 9 a b c d e f          */
  46   /*       -------------------------------          */
  47   /* 00 */ 1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,X,
  48   /* 10 */ 1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,0,
  49   /* 20 */ 1,1,1,1,0,0,X,0,1,1,1,1,0,0,X,0,
  50   /* 30 */ 1,1,1,1,0,0,X,0,1,1,1,1,0,0,X,0,
  51   /* 40 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
  52   /* 50 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
  53   /* 60 */ 0,0,1,1,X,X,X,X,0,1,0,1,0,0,0,0,
  54   /* 70 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
  55   /* 80 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
  56   /* 90 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
  57   /* A0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
  58   /* B0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
  59   /* C0 */ 1,1,0,0,1,1,1,1,0,0,0,0,0,0,0,0,
  60   /* D0 */ 1,1,1,1,0,0,0,0,1,1,1,1,1,1,1,1,
  61   /* E0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
  62   /* F0 */ X,0,X,X,0,0,1,1,0,0,0,0,0,0,1,1,
  63   /*       0 1 2 3 4 5 6 7 8 9 a b c d e f           */
  64   /*       -------------------------------           */
  65            1,1,1,1,X,0,0,0,0,0,X,0,X,1,0,1, /* 0F 00 */
  66            1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 0F 10 */
  67            1,1,1,1,1,X,1,X,1,1,1,1,1,1,1,1, /* 0F 20 */
  68            0,0,0,0,0,0,X,X,1,X,1,X,X,X,X,X, /* 0F 30 */
  69            1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 0F 40 */
  70            1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 0F 50 */
  71            1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 0F 60 */
  72            1,1,1,1,1,1,1,0,X,X,X,X,1,1,1,1, /* 0F 70 */
  73            0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0F 80 */
  74            1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 0F 90 */
  75            0,0,0,1,1,1,0,0,0,0,0,1,1,1,1,1, /* 0F A0 */
  76            1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 0F B0 */
  77            1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0, /* 0F C0 */
  78            1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 0F D0 */
  79            1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 0F E0 */
  80            1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,X  /* 0F F0 */
  81   /*       -------------------------------           */
  82   /*       0 1 2 3 4 5 6 7 8 9 a b c d e f           */
  83 };
  84
  85 #undef X
  86
  87 /* *********** */
  88 // LOCK PREFIX //
  89 /* *********** */
  90
  91 /*
  92  *  The  LOCK  prefix  can be prepended only to the following instructions
  93  *  and  only  to  those  forms  of the instructions where the destination
  94  *  operand  is  a  memory operand: ADD, ADC, AND, BTC, BTR, BTS, CMPXCHG,
  95  *  CMPXCH8B,  DEC,  INC,  NEG, NOT, OR, SBB, SUB, XOR, XADD, and XCHG. If
  96  *  the  LOCK prefix is used with one of these instructions and the source
  97  *  operand  is a memory operand, an undefined opcode exception (#UD) will
  98  *  be  generated. An undefined opcode exception will also be generated if
  99  *  the  LOCK  prefix  is used with any instruction not in the above list.
 100  *  The XCHG instruction always asserts the LOCK# signal regardless of the
 101  *  presence or absence of the LOCK prefix.
 102  */
 103
 104 static unsigned Resolve16BaseReg[8] = {
 105   BX_16BIT_REG_BX,
 106   BX_16BIT_REG_BX,
 107   BX_16BIT_REG_BP,
 108   BX_16BIT_REG_BP,
 109   BX_16BIT_REG_SI,
 110   BX_16BIT_REG_DI,
 111   BX_16BIT_REG_BP,
 112   BX_16BIT_REG_BX
 113 };
 114
 115 static unsigned Resolve16IndexReg[8] = {
 116   BX_16BIT_REG_SI,
 117   BX_16BIT_REG_DI,
 118   BX_16BIT_REG_SI,
 119   BX_16BIT_REG_DI,
 120   BX_NIL_REGISTER,
 121   BX_NIL_REGISTER,
 122   BX_NIL_REGISTER,
 123   BX_NIL_REGISTER
 124 };
 125
 126 // decoding instructions; accessing seg reg's by index
 127 static unsigned sreg_mod00_rm16[8] = {
 128   BX_SEG_REG_DS,
 129   BX_SEG_REG_DS,
 130   BX_SEG_REG_SS,
 131   BX_SEG_REG_SS,
 132   BX_SEG_REG_DS,
 133   BX_SEG_REG_DS,
 134   BX_SEG_REG_DS,
 135   BX_SEG_REG_DS
 136 };
 137
 138 static unsigned sreg_mod01or10_rm16[8] = {
 139   BX_SEG_REG_DS,
 140   BX_SEG_REG_DS,
 141   BX_SEG_REG_SS,
 142   BX_SEG_REG_SS,
 143   BX_SEG_REG_DS,
 144   BX_SEG_REG_DS,
 145   BX_SEG_REG_SS,
 146   BX_SEG_REG_DS
 147 };
 148
 149 // decoding instructions; accessing seg reg's by index
 150 static unsigned sreg_mod01or10_rm32[8] = {
 151   BX_SEG_REG_DS,
 152   BX_SEG_REG_DS,
 153   BX_SEG_REG_DS,
 154   BX_SEG_REG_DS,
 155   BX_SEG_REG_NULL, // escape to SIB-byte
 156   BX_SEG_REG_SS,
 157   BX_SEG_REG_DS,
 158   BX_SEG_REG_DS
 159 };
 160
 161 static unsigned sreg_mod0_base32[8] = {
 162   BX_SEG_REG_DS,
 163   BX_SEG_REG_DS,
 164   BX_SEG_REG_DS,
 165   BX_SEG_REG_DS,
 166   BX_SEG_REG_SS,
 167   BX_SEG_REG_DS,
 168   BX_SEG_REG_DS,
 169   BX_SEG_REG_DS
 170 };
 171
 172 static unsigned sreg_mod1or2_base32[8] = {
 173   BX_SEG_REG_DS,
 174   BX_SEG_REG_DS,
 175   BX_SEG_REG_DS,
 176   BX_SEG_REG_DS,
 177   BX_SEG_REG_SS,
 178   BX_SEG_REG_SS,
 179   BX_SEG_REG_DS,
 180   BX_SEG_REG_DS
 181 };
 182
 183 // common fetchdecode32/64 opcode tables
 184 #include "fetchdecode.h"
 185
 186 // table of all Bochs opcodes
 187 bxIAOpcodeTable BxOpcodesTable[] = {
 188 #define bx_define_opcode(a, b, c) { b, c },
 189 #include "ia_opcodes.h"
 190 };
 191 #undef  bx_define_opcode
 192
 193 /* ************************** */
 194 /* 512 entries for 16bit mode */
 195 /* 512 entries for 32bit mode */
 196 /* ************************** */
 197
 198 static const BxOpcodeInfo_t BxOpcodeInfo32R[512*2] = {
 199   // 512 entries for 16bit mode
 200   /* 00 /wr */ { BxArithDstRM, BX_IA_ADD_GbEbR },
 201   /* 01 /wr */ { BxArithDstRM, BX_IA_ADD_GwEwR },
 202   /* 02 /wr */ { 0, BX_IA_ADD_GbEbR },
 203   /* 03 /wr */ { 0, BX_IA_ADD_GwEwR },
 204   /* 04 /wr */ { BxImmediate_Ib, BX_IA_ADD_ALIb },
 205   /* 05 /wr */ { BxImmediate_Iw, BX_IA_ADD_AXIw },
 206   /* 06 /wr */ { 0, BX_IA_PUSH16_ES },
 207   /* 07 /wr */ { 0, BX_IA_POP16_ES },
 208   /* 08 /wr */ { BxArithDstRM, BX_IA_OR_GbEbR },
 209   /* 09 /wr */ { BxArithDstRM, BX_IA_OR_GwEwR },
 210   /* 0A /wr */ { 0, BX_IA_OR_GbEbR },
 211   /* 0B /wr */ { 0, BX_IA_OR_GwEwR },
 212   /* 0C /wr */ { BxImmediate_Ib, BX_IA_OR_ALIb },
 213   /* 0D /wr */ { BxImmediate_Iw, BX_IA_OR_AXIw },
 214   /* 0E /wr */ { 0, BX_IA_PUSH16_CS },
 215   /* 0F /wr */ { 0, BX_IA_ERROR }, // 2-byte escape
 216   /* 10 /wr */ { BxArithDstRM, BX_IA_ADC_GbEbR },
 217   /* 11 /wr */ { BxArithDstRM, BX_IA_ADC_GwEwR },
 218   /* 12 /wr */ { 0, BX_IA_ADC_GbEbR },
 219   /* 13 /wr */ { 0, BX_IA_ADC_GwEwR },
 220   /* 14 /wr */ { BxImmediate_Ib, BX_IA_ADC_ALIb },
 221   /* 15 /wr */ { BxImmediate_Iw, BX_IA_ADC_AXIw },
 222   /* 16 /wr */ { 0, BX_IA_PUSH16_SS },
 223   /* 17 /wr */ { BxTraceEnd, BX_IA_POP16_SS }, // async_event = 1
 224   /* 18 /wr */ { BxArithDstRM, BX_IA_SBB_GbEbR },
 225   /* 19 /wr */ { BxArithDstRM, BX_IA_SBB_GwEwR },
 226   /* 1A /wr */ { 0, BX_IA_SBB_GbEbR },
 227   /* 1B /wr */ { 0, BX_IA_SBB_GwEwR },
 228   /* 1C /wr */ { BxImmediate_Ib, BX_IA_SBB_ALIb },
 229   /* 1D /wr */ { BxImmediate_Iw, BX_IA_SBB_AXIw },
 230   /* 1E /wr */ { 0, BX_IA_PUSH16_DS },
 231   /* 1F /wr */ { 0, BX_IA_POP16_DS },
 232   /* 20 /wr */ { BxArithDstRM, BX_IA_AND_GbEbR },
 233   /* 21 /wr */ { BxArithDstRM, BX_IA_AND_GwEwR },
 234   /* 22 /wr */ { 0, BX_IA_AND_GbEbR },
 235   /* 23 /wr */ { 0, BX_IA_AND_GwEwR },
 236   /* 24 /wr */ { BxImmediate_Ib, BX_IA_AND_ALIb },
 237   /* 25 /wr */ { BxImmediate_Iw, BX_IA_AND_AXIw },
 238   /* 26 /wr */ { 0, BX_IA_ERROR }, // ES:
 239   /* 27 /wr */ { 0, BX_IA_DAA },
 240   /* 28 /wr */ { BxArithDstRM, BX_IA_SUB_GbEbR },
 241   /* 29 /wr */ { BxArithDstRM, BX_IA_SUB_GwEwR },
 242   /* 2A /wr */ { 0, BX_IA_SUB_GbEbR },
 243   /* 2B /wr */ { 0, BX_IA_SUB_GwEwR },
 244   /* 2C /wr */ { BxImmediate_Ib, BX_IA_SUB_ALIb },
 245   /* 2D /wr */ { BxImmediate_Iw, BX_IA_SUB_AXIw },
 246   /* 2E /wr */ { 0, BX_IA_ERROR }, // CS:
 247   /* 2F /wr */ { 0, BX_IA_DAS },
 248   /* 30 /wr */ { BxArithDstRM, BX_IA_XOR_GbEbR },
 249   /* 31 /wr */ { BxArithDstRM, BX_IA_XOR_GwEwR },
 250   /* 32 /wr */ { 0, BX_IA_XOR_GbEbR },
 251   /* 33 /wr */ { 0, BX_IA_XOR_GwEwR },
 252   /* 34 /wr */ { BxImmediate_Ib, BX_IA_XOR_ALIb },
 253   /* 35 /wr */ { BxImmediate_Iw, BX_IA_XOR_AXIw },
 254   /* 36 /wr */ { 0, BX_IA_ERROR }, // SS:
 255   /* 37 /wr */ { 0, BX_IA_AAA },
 256   /* 38 /wr */ { BxArithDstRM, BX_IA_CMP_GbEbR },
 257   /* 39 /wr */ { BxArithDstRM, BX_IA_CMP_GwEwR },
 258   /* 3A /wr */ { 0, BX_IA_CMP_GbEbR },
 259   /* 3B /wr */ { 0, BX_IA_CMP_GwEwR },
 260   /* 3C /wr */ { BxImmediate_Ib, BX_IA_CMP_ALIb },
 261   /* 3D /wr */ { BxImmediate_Iw, BX_IA_CMP_AXIw },
 262   /* 3E /wr */ { 0, BX_IA_ERROR }, // DS:
 263   /* 3F /wr */ { 0, BX_IA_AAS },
 264   /* 40 /wr */ { 0, BX_IA_INC_RX },
 265   /* 41 /wr */ { 0, BX_IA_INC_RX },
 266   /* 42 /wr */ { 0, BX_IA_INC_RX },
 267   /* 43 /wr */ { 0, BX_IA_INC_RX },
 268   /* 44 /wr */ { 0, BX_IA_INC_RX },
 269   /* 45 /wr */ { 0, BX_IA_INC_RX },
 270   /* 46 /wr */ { 0, BX_IA_INC_RX },
 271   /* 47 /wr */ { 0, BX_IA_INC_RX },
 272   /* 48 /wr */ { 0, BX_IA_DEC_RX },
 273   /* 49 /wr */ { 0, BX_IA_DEC_RX },
 274   /* 4A /wr */ { 0, BX_IA_DEC_RX },
 275   /* 4B /wr */ { 0, BX_IA_DEC_RX },
 276   /* 4C /wr */ { 0, BX_IA_DEC_RX },
 277   /* 4D /wr */ { 0, BX_IA_DEC_RX },
 278   /* 4E /wr */ { 0, BX_IA_DEC_RX },
 279   /* 4F /wr */ { 0, BX_IA_DEC_RX },
 280   /* 50 /wr */ { 0, BX_IA_PUSH_RX },
 281   /* 51 /wr */ { 0, BX_IA_PUSH_RX },
 282   /* 52 /wr */ { 0, BX_IA_PUSH_RX },
 283   /* 53 /wr */ { 0, BX_IA_PUSH_RX },
 284   /* 54 /wr */ { 0, BX_IA_PUSH_RX },
 285   /* 55 /wr */ { 0, BX_IA_PUSH_RX },
 286   /* 56 /wr */ { 0, BX_IA_PUSH_RX },
 287   /* 57 /wr */ { 0, BX_IA_PUSH_RX },
 288   /* 58 /wr */ { 0, BX_IA_POP_RX },
 289   /* 59 /wr */ { 0, BX_IA_POP_RX },
 290   /* 5A /wr */ { 0, BX_IA_POP_RX },
 291   /* 5B /wr */ { 0, BX_IA_POP_RX },
 292   /* 5C /wr */ { 0, BX_IA_POP_RX },
 293   /* 5D /wr */ { 0, BX_IA_POP_RX },
 294   /* 5E /wr */ { 0, BX_IA_POP_RX },
 295   /* 5F /wr */ { 0, BX_IA_POP_RX },
 296   /* 60 /wr */ { 0, BX_IA_PUSHAD16 },
 297   /* 61 /wr */ { 0, BX_IA_POPAD16 },
 298   /* 62 /wr */ { 0, BX_IA_ERROR }, // BOUND
 299   /* 63 /wr */ { 0, BX_IA_ARPL_EwGw },
 300   /* 64 /wr */ { 0, BX_IA_ERROR }, // FS:
 301   /* 65 /wr */ { 0, BX_IA_ERROR }, // GS:
 302   /* 66 /wr */ { 0, BX_IA_ERROR }, // OS:
 303   /* 67 /wr */ { 0, BX_IA_ERROR }, // AS:
 304   /* 68 /wr */ { BxImmediate_Iw, BX_IA_PUSH_Iw },
 305   /* 69 /wr */ { BxImmediate_Iw, BX_IA_IMUL_GwEwIwR },
 306   /* 6A /wr */ { BxImmediate_Ib_SE, BX_IA_PUSH_Iw },
 307   /* 6B /wr */ { BxImmediate_Ib_SE, BX_IA_IMUL_GwEwIwR },
 308   /* 6C /wr */ { 0, BX_IA_REP_INSB_YbDX },
 309   /* 6D /wr */ { 0, BX_IA_REP_INSW_YwDX },
 310   /* 6E /wr */ { 0, BX_IA_REP_OUTSB_DXXb },
 311   /* 6F /wr */ { 0, BX_IA_REP_OUTSW_DXXw },
 312   /* 70 /wr */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JO_Jw },
 313   /* 71 /wr */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JNO_Jw },
 314   /* 72 /wr */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JB_Jw },
 315   /* 73 /wr */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JNB_Jw },
 316   /* 74 /wr */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JZ_Jw },
 317   /* 75 /wr */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JNZ_Jw },
 318   /* 76 /wr */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JBE_Jw },
 319   /* 77 /wr */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JNBE_Jw },
 320   /* 78 /wr */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JS_Jw },
 321   /* 79 /wr */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JNS_Jw },
 322   /* 7A /wr */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JP_Jw },
 323   /* 7B /wr */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JNP_Jw },
 324   /* 7C /wr */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JL_Jw },
 325   /* 7D /wr */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JNL_Jw },
 326   /* 7E /wr */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JLE_Jw },
 327   /* 7F /wr */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JNLE_Jw },
 328   /* 80 /wr */ { BxGroup1 | BxImmediate_Ib, BX_IA_ERROR, BxOpcodeInfoG1EbIbR },
 329   /* 81 /wr */ { BxGroup1 | BxImmediate_Iw, BX_IA_ERROR, BxOpcodeInfoG1EwR },
 330   /* 82 /wr */ { BxGroup1 | BxImmediate_Ib, BX_IA_ERROR, BxOpcodeInfoG1EbIbR },
 331   /* 83 /wr */ { BxGroup1 | BxImmediate_Ib_SE, BX_IA_ERROR, BxOpcodeInfoG1EwR },
 332   /* 84 /wr */ { 0, BX_IA_TEST_EbGbR },
 333   /* 85 /wr */ { 0, BX_IA_TEST_EwGwR },
 334   /* 86 /wr */ { 0, BX_IA_XCHG_EbGbR },
 335   /* 87 /wr */ { 0, BX_IA_XCHG_EwGwR },
 336   /* 88 /wr */ { BxArithDstRM, BX_IA_MOV_GbEbR },
 337   /* 89 /wr */ { BxArithDstRM, BX_IA_MOV_GwEwR },
 338   /* 8A /wr */ { 0, BX_IA_MOV_GbEbR },
 339   /* 8B /wr */ { 0, BX_IA_MOV_GwEwR },
 340   /* 8C /wr */ { 0, BX_IA_MOV_EwSwR },
 341   /* 8D /wr */ { 0, BX_IA_ERROR }, // LEA
 342   /* 8E /wr */ { 0, BX_IA_MOV_SwEw },
 343   /* 8F /wr */ { BxGroup1A, BX_IA_ERROR, BxOpcodeInfoG1AEwR },
 344   /* 90 /wr */ { 0, BX_IA_NOP },
 345   /* 91 /wr */ { 0, BX_IA_XCHG_RXAX },
 346   /* 92 /wr */ { 0, BX_IA_XCHG_RXAX },
 347   /* 93 /wr */ { 0, BX_IA_XCHG_RXAX },
 348   /* 94 /wr */ { 0, BX_IA_XCHG_RXAX },
 349   /* 95 /wr */ { 0, BX_IA_XCHG_RXAX },
 350   /* 96 /wr */ { 0, BX_IA_XCHG_RXAX },
 351   /* 97 /wr */ { 0, BX_IA_XCHG_RXAX },
 352   /* 98 /wr */ { 0, BX_IA_CBW },
 353   /* 99 /wr */ { 0, BX_IA_CWD },
 354   /* 9A /wr */ { BxImmediate_IwIw | BxTraceEnd, BX_IA_CALL16_Ap },
 355   /* 9B /wr */ { 0, BX_IA_FWAIT },
 356   /* 9C /wr */ { 0, BX_IA_PUSHF_Fw },
 357   /* 9D /wr */ { 0, BX_IA_POPF_Fw },
 358   /* 9E /wr */ { 0, BX_IA_SAHF },
 359   /* 9F /wr */ { 0, BX_IA_LAHF },
 360   /* A0 /wr */ { BxImmediate_O, BX_IA_MOV_ALOd },
 361   /* A1 /wr */ { BxImmediate_O, BX_IA_MOV_AXOd },
 362   /* A2 /wr */ { BxImmediate_O, BX_IA_MOV_OdAL },
 363   /* A3 /wr */ { BxImmediate_O, BX_IA_MOV_OdAX },
 364   /* A4 /wr */ { 0, BX_IA_REP_MOVSB_XbYb },
 365   /* A5 /wr */ { 0, BX_IA_REP_MOVSW_XwYw },
 366   /* A6 /wr */ { 0, BX_IA_REP_CMPSB_XbYb },
 367   /* A7 /wr */ { 0, BX_IA_REP_CMPSW_XwYw },
 368   /* A8 /wr */ { BxImmediate_Ib, BX_IA_TEST_ALIb },
 369   /* A9 /wr */ { BxImmediate_Iw, BX_IA_TEST_AXIw },
 370   /* AA /wr */ { 0, BX_IA_REP_STOSB_YbAL },
 371   /* AB /wr */ { 0, BX_IA_REP_STOSW_YwAX },
 372   /* AC /wr */ { 0, BX_IA_REP_LODSB_ALXb },
 373   /* AD /wr */ { 0, BX_IA_REP_LODSW_AXXw },
 374   /* AE /wr */ { 0, BX_IA_REP_SCASB_ALXb },
 375   /* AF /wr */ { 0, BX_IA_REP_SCASW_AXXw },
 376   /* B0 /wr */ { BxImmediate_Ib, BX_IA_MOV_RLIb },
 377   /* B1 /wr */ { BxImmediate_Ib, BX_IA_MOV_RLIb },
 378   /* B2 /wr */ { BxImmediate_Ib, BX_IA_MOV_RLIb },
 379   /* B3 /wr */ { BxImmediate_Ib, BX_IA_MOV_RLIb },
 380   /* B4 /wr */ { BxImmediate_Ib, BX_IA_MOV_RHIb },
 381   /* B5 /wr */ { BxImmediate_Ib, BX_IA_MOV_RHIb },
 382   /* B6 /wr */ { BxImmediate_Ib, BX_IA_MOV_RHIb },
 383   /* B7 /wr */ { BxImmediate_Ib, BX_IA_MOV_RHIb },
 384   /* B8 /wr */ { BxImmediate_Iw, BX_IA_MOV_RXIw },
 385   /* B9 /wr */ { BxImmediate_Iw, BX_IA_MOV_RXIw },
 386   /* BA /wr */ { BxImmediate_Iw, BX_IA_MOV_RXIw },
 387   /* BB /wr */ { BxImmediate_Iw, BX_IA_MOV_RXIw },
 388   /* BC /wr */ { BxImmediate_Iw, BX_IA_MOV_RXIw },
 389   /* BD /wr */ { BxImmediate_Iw, BX_IA_MOV_RXIw },
 390   /* BE /wr */ { BxImmediate_Iw, BX_IA_MOV_RXIw },
 391   /* BF /wr */ { BxImmediate_Iw, BX_IA_MOV_RXIw },
 392   /* C0 /wr */ { BxGroup2 | BxImmediate_Ib, BX_IA_ERROR, BxOpcodeInfoG2Eb },
 393   /* C1 /wr */ { BxGroup2 | BxImmediate_Ib, BX_IA_ERROR, BxOpcodeInfoG2Ew },
 394   /* C2 /wr */ { BxImmediate_Iw | BxTraceEnd, BX_IA_RETnear16_Iw },
 395   /* C3 /wr */ { BxTraceEnd,                  BX_IA_RETnear16 },
 396   /* C4 /wr */ { 0, BX_IA_ERROR }, // LES
 397   /* C5 /wr */ { 0, BX_IA_ERROR }, // LDS
 398   /* C6 /wr */ { BxGroup11, BX_IA_ERROR, BxOpcodeInfoG11EbR },
 399   /* C7 /wr */ { BxGroup11, BX_IA_ERROR, BxOpcodeInfoG11EwR },
 400   /* C8 /wr */ { BxImmediate_IwIb, BX_IA_ENTER16_IwIb },
 401   /* C9 /wr */ { 0, BX_IA_LEAVE16 },
 402   /* CA /wr */ { BxImmediate_Iw | BxTraceEnd, BX_IA_RETfar16_Iw },
 403   /* CB /wr */ { BxTraceEnd,                  BX_IA_RETfar16 },
 404   /* CC /wr */ { BxTraceEnd, BX_IA_INT3 },
 405   /* CD /wr */ { BxImmediate_Ib | BxTraceEnd, BX_IA_INT_Ib },
 406   /* CE /wr */ { BxTraceEnd, BX_IA_INTO },
 407   /* CF /wr */ { BxTraceEnd, BX_IA_IRET16 },
 408   /* D0 /wr */ { BxGroup2 | BxImmediate_I1, BX_IA_ERROR, BxOpcodeInfoG2Eb },
 409   /* D1 /wr */ { BxGroup2 | BxImmediate_I1, BX_IA_ERROR, BxOpcodeInfoG2Ew },
 410   /* D2 /wr */ { BxGroup2, BX_IA_ERROR, BxOpcodeInfoG2Eb },
 411   /* D3 /wr */ { BxGroup2, BX_IA_ERROR, BxOpcodeInfoG2Ew },
 412   /* D4 /wr */ { BxImmediate_Ib, BX_IA_AAM },
 413   /* D5 /wr */ { BxImmediate_Ib, BX_IA_AAD },
 414   /* D6 /wr */ { 0, BX_IA_SALC },
 415   /* D7 /wr */ { 0, BX_IA_XLAT },
 416 #if BX_SUPPORT_FPU
 417   /* D8 /wr */ { BxFPEscape, BX_IA_ERROR, BxOpcodeInfo_FloatingPointD8 },
 418   /* D9 /wr */ { BxFPEscape, BX_IA_ERROR, BxOpcodeInfo_FloatingPointD9 },
 419   /* DA /wr */ { BxFPEscape, BX_IA_ERROR, BxOpcodeInfo_FloatingPointDA },
 420   /* DB /wr */ { BxFPEscape, BX_IA_ERROR, BxOpcodeInfo_FloatingPointDB },
 421   /* DC /wr */ { BxFPEscape, BX_IA_ERROR, BxOpcodeInfo_FloatingPointDC },
 422   /* DD /wr */ { BxFPEscape, BX_IA_ERROR, BxOpcodeInfo_FloatingPointDD },
 423   /* DE /wr */ { BxFPEscape, BX_IA_ERROR, BxOpcodeInfo_FloatingPointDE },
 424   /* DF /wr */ { BxFPEscape, BX_IA_ERROR, BxOpcodeInfo_FloatingPointDF },
 425 #else
 426   /* D8 /wr */ { 0, BX_IA_FPU_ESC },
 427   /* D9 /wr */ { 0, BX_IA_FPU_ESC },
 428   /* DA /wr */ { 0, BX_IA_FPU_ESC },
 429   /* DB /wr */ { 0, BX_IA_FPU_ESC },
 430   /* DC /wr */ { 0, BX_IA_FPU_ESC },
 431   /* DD /wr */ { 0, BX_IA_FPU_ESC },
 432   /* DE /wr */ { 0, BX_IA_FPU_ESC },
 433   /* DF /wr */ { 0, BX_IA_FPU_ESC },
 434 #endif
 435   /* E0 /wr */ { BxImmediate_BrOff8 | BxTraceEnd, BX_IA_LOOPNE16_Jb },
 436   /* E1 /wr */ { BxImmediate_BrOff8 | BxTraceEnd, BX_IA_LOOPE16_Jb },
 437   /* E2 /wr */ { BxImmediate_BrOff8 | BxTraceEnd, BX_IA_LOOP16_Jb },
 438   /* E3 /wr */ { BxImmediate_BrOff8 | BxTraceEnd, BX_IA_JCXZ_Jb },
 439   /* E4 /wr */ { BxImmediate_Ib, BX_IA_IN_ALIb },
 440   /* E5 /wr */ { BxImmediate_Ib, BX_IA_IN_AXIb },
 441   /* E6 /wr */ { BxImmediate_Ib, BX_IA_OUT_IbAL },
 442   /* E7 /wr */ { BxImmediate_Ib, BX_IA_OUT_IbAX },
 443   /* E8 /wr */ { BxImmediate_BrOff16 | BxTraceEnd, BX_IA_CALL_Jw },
 444   /* E9 /wr */ { BxImmediate_BrOff16 | BxTraceEnd, BX_IA_JMP_Jw },
 445   /* EA /wr */ { BxImmediate_IwIw | BxTraceEnd, BX_IA_JMP_Ap },
 446   /* EB /wr */ { BxImmediate_BrOff8 | BxTraceEnd, BX_IA_JMP_Jw },
 447   /* EC /wr */ { 0, BX_IA_IN_ALDX },
 448   /* ED /wr */ { 0, BX_IA_IN_AXDX },
 449   /* EE /wr */ { 0, BX_IA_OUT_DXAL },
 450   /* EF /wr */ { 0, BX_IA_OUT_DXAX },
 451   /* F0 /wr */ { 0, BX_IA_ERROR }, // LOCK
 452   /* F1 /wr */ { BxTraceEnd, BX_IA_INT1 },
 453   /* F2 /wr */ { 0, BX_IA_ERROR }, // REPNE/REPNZ
 454   /* F3 /wr */ { 0, BX_IA_ERROR }, // REP, REPE/REPZ
 455   /* F4 /wr */ { BxTraceEnd, BX_IA_HLT },
 456   /* F5 /wr */ { 0, BX_IA_CMC },
 457   /* F6 /wr */ { BxGroup3, BX_IA_ERROR, BxOpcodeInfoG3EbR },
 458   /* F7 /wr */ { BxGroup3, BX_IA_ERROR, BxOpcodeInfoG3EwR },
 459   /* F8 /wr */ { 0, BX_IA_CLC },
 460   /* F9 /wr */ { 0, BX_IA_STC },
 461   /* FA /wr */ { 0, BX_IA_CLI },
 462   /* FB /wr */ { 0, BX_IA_STI },
 463   /* FC /wr */ { 0, BX_IA_CLD },
 464   /* FD /wr */ { 0, BX_IA_STD },
 465   /* FE /wr */ { BxGroup4, BX_IA_ERROR, BxOpcodeInfoG4R },
 466   /* FF /wr */ { BxGroup5, BX_IA_ERROR, BxOpcodeInfoG5wR },
 467
 468   /* 0F 00 /wr */ { BxGroup6, BX_IA_ERROR, BxOpcodeInfoG6 },
 469   /* 0F 01 /wr */ { BxGroup7, BX_IA_ERROR, BxOpcodeInfoG7R },
 470   /* 0F 02 /wr */ { 0, BX_IA_LAR_GvEw },
 471   /* 0F 03 /wr */ { 0, BX_IA_LSL_GvEw },
 472   /* 0F 04 /wr */ { 0, BX_IA_ERROR },
 473 #if BX_SUPPORT_X86_64
 474   /* 0F 05 /wr */ { BxTraceEnd, BX_IA_SYSCALL },
 475 #elif BX_CPU_LEVEL == 2
 476   /* 0F 05 /wr */ { BxTraceEnd, BX_IA_LOADALL },
 477 #else
 478   /* 0F 05 /wr */ { 0, BX_IA_ERROR },
 479 #endif
 480   /* 0F 06 /wr */ { 0, BX_IA_CLTS },
 481 #if BX_SUPPORT_X86_64
 482   /* 0F 07 /wr */ { BxTraceEnd, BX_IA_SYSRET },
 483 #else
 484   /* 0F 07 /wr */ { 0, BX_IA_ERROR },
 485 #endif
 486   /* 0F 08 /wr */ { BxTraceEnd, BX_IA_INVD },
 487   /* 0F 09 /wr */ { BxTraceEnd, BX_IA_WBINVD },
 488   /* 0F 0A /wr */ { 0, BX_IA_ERROR },
 489   /* 0F 0B /wr */ { BxTraceEnd, BX_IA_UD2A },
 490   /* 0F 0C /wr */ { 0, BX_IA_ERROR },
 491 #if BX_SUPPORT_X86_64 || BX_SUPPORT_3DNOW
 492   /* 0F 0D /wr */ { 0, BX_IA_NOP },             // 3DNow! PREFETCH on AMD, NOP on Intel
 493 #else
 494   /* 0F 0D /wr */ { 0, BX_IA_ERROR },
 495 #endif
 496   /* 0F 0E /wr */ { 0, BX_IA_FEMMS },           // 3DNow! FEMMS
 497 #if BX_SUPPORT_3DNOW
 498   /* 0F 0F /wr */ { BxImmediate_Ib, BX_IA_ERROR, Bx3DNowOpcodeInfo },
 499 #else
 500   /* 0F 0F /wr */ { 0, BX_IA_ERROR },
 501 #endif
 502   /* 0F 10 /wr */ { BxPrefixSSE, BX_IA_MOVUPS_VpsWps, BxOpcodeGroupSSE_0f10 },
 503   /* 0F 11 /wr */ { BxPrefixSSE, BX_IA_MOVUPS_WpsVps, BxOpcodeGroupSSE_0f11 },
 504   /* 0F 12 /wr */ { BxPrefixSSE, BX_IA_MOVLPS_VpsMq, BxOpcodeGroupSSE_0f12 },
 505   /* 0F 13 /wr */ { 0, BX_IA_ERROR },  // MOVLPS/PD SSE group
 506   /* 0F 14 /wr */ { BxPrefixSSE, BX_IA_UNPCKLPS_VpsWdq, BxOpcodeGroupSSE_0f14 },
 507   /* 0F 15 /wr */ { BxPrefixSSE, BX_IA_UNPCKHPS_VpsWdq, BxOpcodeGroupSSE_0f15 },
 508   /* 0F 16 /wr */ { BxPrefixSSE, BX_IA_MOVHPS_VpsMq, BxOpcodeGroupSSE_0f16 },
 509   /* 0F 17 /wr */ { 0, BX_IA_ERROR },  // MOHLPS/PD SSE group
 510 #if BX_CPU_LEVEL >= 6
 511   /* 0F 18 /wr */ { 0, BX_IA_NOP },    // PREFETCH HINT
 512   /* 0F 19 /wr */ { 0, BX_IA_NOP },    // multi-byte NOP
 513   /* 0F 1A /wr */ { 0, BX_IA_NOP },    // multi-byte NOP
 514   /* 0F 1B /wr */ { 0, BX_IA_NOP },    // multi-byte NOP
 515   /* 0F 1C /wr */ { 0, BX_IA_NOP },    // multi-byte NOP
 516   /* 0F 1D /wr */ { 0, BX_IA_NOP },    // multi-byte NOP
 517   /* 0F 1E /wr */ { 0, BX_IA_NOP },    // multi-byte NOP
 518   /* 0F 1F /wr */ { 0, BX_IA_NOP },    // multi-byte NOP
 519 #else
 520   /* 0F 18 /wr */ { 0, BX_IA_ERROR },
 521   /* 0F 19 /wr */ { 0, BX_IA_ERROR },
 522   /* 0F 1A /wr */ { 0, BX_IA_ERROR },
 523   /* 0F 1B /wr */ { 0, BX_IA_ERROR },
 524   /* 0F 1C /wr */ { 0, BX_IA_ERROR },
 525   /* 0F 1D /wr */ { 0, BX_IA_ERROR },
 526   /* 0F 1E /wr */ { 0, BX_IA_ERROR },
 527   /* 0F 1F /wr */ { 0, BX_IA_ERROR },
 528 #endif
 529   /* 0F 20 /wr */ { 0, BX_IA_MOV_RdCd },
 530   /* 0F 21 /wr */ { 0, BX_IA_MOV_RdDd },
 531   /* 0F 22 /wr */ { BxTraceEnd, BX_IA_MOV_CdRd },
 532   /* 0F 23 /wr */ { BxTraceEnd, BX_IA_MOV_DdRd },
 533   /* 0F 24 /wr */ { BxTraceEnd, BX_IA_MOV_RdTd }, // not implemented
 534   /* 0F 25 /wr */ { 0, BX_IA_ERROR },
 535   /* 0F 26 /wr */ { BxTraceEnd, BX_IA_MOV_TdRd }, // not implemented
 536   /* 0F 27 /wr */ { 0, BX_IA_ERROR },
 537   /* 0F 28 /wr */ { BxPrefixSSE, BX_IA_MOVAPS_VpsWps, BxOpcodeGroupSSE_0f28 },
 538   /* 0F 29 /wr */ { BxPrefixSSE, BX_IA_MOVAPS_WpsVps, BxOpcodeGroupSSE_0f29 },
 539   /* 0F 2A /wr */ { BxPrefixSSE, BX_IA_CVTPI2PS_VpsQq, BxOpcodeGroupSSE_0f2a },
 540   /* 0F 2B /wr */ { 0, BX_IA_ERROR }, // MOVNTPS/PD/SS/SD
 541   /* 0F 2C /wr */ { BxPrefixSSE, BX_IA_CVTTPS2PI_PqWps, BxOpcodeGroupSSE_0f2c },
 542   /* 0F 2D /wr */ { BxPrefixSSE, BX_IA_CVTPS2PI_PqWps, BxOpcodeGroupSSE_0f2d },
 543   /* 0F 2E /wr */ { BxPrefixSSE, BX_IA_UCOMISS_VssWss, BxOpcodeGroupSSE_0f2e },
 544   /* 0F 2F /wr */ { BxPrefixSSE, BX_IA_COMISS_VpsWps, BxOpcodeGroupSSE_0f2f },
 545   /* 0F 30 /wr */ { 0, BX_IA_WRMSR },
 546   /* 0F 31 /wr */ { 0, BX_IA_RDTSC },
 547   /* 0F 32 /wr */ { 0, BX_IA_RDMSR },
 548   /* 0F 33 /wr */ { 0, BX_IA_RDPMC },
 549   /* 0F 34 /wr */ { BxTraceEnd, BX_IA_SYSENTER },
 550   /* 0F 35 /wr */ { BxTraceEnd, BX_IA_SYSEXIT },
 551   /* 0F 36 /wr */ { 0, BX_IA_ERROR },
 552   /* 0F 37 /wr */ { 0, BX_IA_ERROR },
 553 #if (BX_SUPPORT_SSE >= 4) || (BX_SUPPORT_SSE >= 3 && BX_SUPPORT_SSE_EXTENSION > 0)
 554   /* 0F 38 /wr */ { Bx3ByteOp, BX_IA_ERROR, BxOpcode3ByteTable0f38 }, // 3-byte escape
 555 #else
 556   /* 0F 38 /wr */ { 0, BX_IA_ERROR },
 557 #endif
 558   /* 0F 39 /wr */ { 0, BX_IA_ERROR },
 559 #if (BX_SUPPORT_SSE >= 4) || (BX_SUPPORT_SSE >= 3 && BX_SUPPORT_SSE_EXTENSION > 0)
 560   /* 0F 3A /wr */ { Bx3ByteOp, BX_IA_ERROR, BxOpcode3ByteTable0f3a }, // 3-byte escape
 561 #else
 562   /* 0F 3A /wr */ { 0, BX_IA_ERROR },
 563 #endif
 564   /* 0F 3B /wr */ { 0, BX_IA_ERROR },
 565   /* 0F 3C /wr */ { 0, BX_IA_ERROR },
 566   /* 0F 3D /wr */ { 0, BX_IA_ERROR },
 567   /* 0F 3E /wr */ { 0, BX_IA_ERROR },
 568   /* 0F 3F /wr */ { 0, BX_IA_ERROR },
 569   /* 0F 40 /wr */ { 0, BX_IA_CMOVO_GwEwR },
 570   /* 0F 41 /wr */ { 0, BX_IA_CMOVNO_GwEwR },
 571   /* 0F 42 /wr */ { 0, BX_IA_CMOVB_GwEwR },
 572   /* 0F 43 /wr */ { 0, BX_IA_CMOVNB_GwEwR },
 573   /* 0F 44 /wr */ { 0, BX_IA_CMOVZ_GwEwR },
 574   /* 0F 45 /wr */ { 0, BX_IA_CMOVNZ_GwEwR },
 575   /* 0F 46 /wr */ { 0, BX_IA_CMOVBE_GwEwR },
 576   /* 0F 47 /wr */ { 0, BX_IA_CMOVNBE_GwEwR },
 577   /* 0F 48 /wr */ { 0, BX_IA_CMOVS_GwEwR },
 578   /* 0F 49 /wr */ { 0, BX_IA_CMOVNS_GwEwR },
 579   /* 0F 4A /wr */ { 0, BX_IA_CMOVP_GwEwR },
 580   /* 0F 4B /wr */ { 0, BX_IA_CMOVNP_GwEwR },
 581   /* 0F 4C /wr */ { 0, BX_IA_CMOVL_GwEwR },
 582   /* 0F 4D /wr */ { 0, BX_IA_CMOVNL_GwEwR },
 583   /* 0F 4E /wr */ { 0, BX_IA_CMOVLE_GwEwR },
 584   /* 0F 4F /wr */ { 0, BX_IA_CMOVNLE_GwEwR },
 585   /* 0F 50 /wr */ { BxPrefixSSE, BX_IA_MOVMSKPS_GdVRps, BxOpcodeGroupSSE_0f50 },
 586   /* 0F 51 /wr */ { BxPrefixSSE, BX_IA_SQRTPS_VpsWps, BxOpcodeGroupSSE_0f51 },
 587   /* 0F 52 /wr */ { BxPrefixSSE, BX_IA_RSQRTPS_VpsWps, BxOpcodeGroupSSE_0f52 },
 588   /* 0F 53 /wr */ { BxPrefixSSE, BX_IA_RCPPS_VpsWps, BxOpcodeGroupSSE_0f53 },
 589   /* 0F 54 /wr */ { BxPrefixSSE, BX_IA_ANDPS_VpsWps, BxOpcodeGroupSSE_0f54 },
 590   /* 0F 55 /wr */ { BxPrefixSSE, BX_IA_ANDNPS_VpsWps, BxOpcodeGroupSSE_0f55 },
 591   /* 0F 56 /wr */ { BxPrefixSSE, BX_IA_ORPS_VpsWps, BxOpcodeGroupSSE_0f56 },
 592   /* 0F 57 /wr */ { BxPrefixSSE, BX_IA_XORPS_VpsWps, BxOpcodeGroupSSE_0f57 },
 593   /* 0F 58 /wr */ { BxPrefixSSE, BX_IA_ADDPS_VpsWps, BxOpcodeGroupSSE_0f58 },
 594   /* 0F 59 /wr */ { BxPrefixSSE, BX_IA_MULPS_VpsWps, BxOpcodeGroupSSE_0f59 },
 595   /* 0F 5A /wr */ { BxPrefixSSE, BX_IA_CVTPS2PD_VpsWps, BxOpcodeGroupSSE_0f5a },
 596   /* 0F 5B /wr */ { BxPrefixSSE, BX_IA_CVTDQ2PS_VpsWdq, BxOpcodeGroupSSE_0f5b },
 597   /* 0F 5C /wr */ { BxPrefixSSE, BX_IA_SUBPS_VpsWps, BxOpcodeGroupSSE_0f5c },
 598   /* 0F 5D /wr */ { BxPrefixSSE, BX_IA_MINPS_VpsWps, BxOpcodeGroupSSE_0f5d },
 599   /* 0F 5E /wr */ { BxPrefixSSE, BX_IA_DIVPS_VpsWps, BxOpcodeGroupSSE_0f5e },
 600   /* 0F 5F /wr */ { BxPrefixSSE, BX_IA_MAXPS_VpsWps, BxOpcodeGroupSSE_0f5f },
 601   /* 0F 60 /wr */ { BxPrefixSSE, BX_IA_PUNPCKLBW_PqQd, BxOpcodeGroupSSE_0f60 },
 602   /* 0F 61 /wr */ { BxPrefixSSE, BX_IA_PUNPCKLWD_PqQd, BxOpcodeGroupSSE_0f61 },
 603   /* 0F 62 /wr */ { BxPrefixSSE, BX_IA_PUNPCKLDQ_PqQd, BxOpcodeGroupSSE_0f62 },
 604   /* 0F 63 /wr */ { BxPrefixSSE, BX_IA_PACKSSWB_PqQq, BxOpcodeGroupSSE_0f63 },
 605   /* 0F 64 /wr */ { BxPrefixSSE, BX_IA_PCMPGTB_PqQq, BxOpcodeGroupSSE_0f64 },
 606   /* 0F 65 /wr */ { BxPrefixSSE, BX_IA_PCMPGTW_PqQq, BxOpcodeGroupSSE_0f65 },
 607   /* 0F 66 /wr */ { BxPrefixSSE, BX_IA_PCMPGTD_PqQq, BxOpcodeGroupSSE_0f66 },
 608   /* 0F 67 /wr */ { BxPrefixSSE, BX_IA_PACKUSWB_PqQq, BxOpcodeGroupSSE_0f67 },
 609   /* 0F 68 /wr */ { BxPrefixSSE, BX_IA_PUNPCKHBW_PqQq, BxOpcodeGroupSSE_0f68 },
 610   /* 0F 69 /wr */ { BxPrefixSSE, BX_IA_PUNPCKHWD_PqQq, BxOpcodeGroupSSE_0f69 },
 611   /* 0F 6A /wr */ { BxPrefixSSE, BX_IA_PUNPCKHDQ_PqQq, BxOpcodeGroupSSE_0f6a },
 612   /* 0F 6B /wr */ { BxPrefixSSE, BX_IA_PACKSSDW_PqQq, BxOpcodeGroupSSE_0f6b },
 613   /* 0F 6C /wr */ { BxPrefixSSE, BX_IA_ERROR, BxOpcodeGroupSSE_0f6c },
 614   /* 0F 6D /wr */ { BxPrefixSSE, BX_IA_ERROR, BxOpcodeGroupSSE_0f6d },
 615   /* 0F 6E /wr */ { BxPrefixSSE, BX_IA_MOVD_PqEd, BxOpcodeGroupSSE_0f6e },
 616   /* 0F 6F /wr */ { BxPrefixSSE, BX_IA_MOVQ_PqQq, BxOpcodeGroupSSE_0f6f },
 617   /* 0F 70 /wr */ { BxPrefixSSE | BxImmediate_Ib, BX_IA_PSHUFW_PqQqIb, BxOpcodeGroupSSE_0f70 },
 618   /* 0F 71 /wr */ { BxGroup12, BX_IA_ERROR, BxOpcodeInfoG12R },
 619   /* 0F 72 /wr */ { BxGroup13, BX_IA_ERROR, BxOpcodeInfoG13R },
 620   /* 0F 73 /wr */ { BxGroup14, BX_IA_ERROR, BxOpcodeInfoG14R },
 621   /* 0F 74 /wr */ { BxPrefixSSE, BX_IA_PCMPEQB_PqQq, BxOpcodeGroupSSE_0f74 },
 622   /* 0F 75 /wr */ { BxPrefixSSE, BX_IA_PCMPEQW_PqQq, BxOpcodeGroupSSE_0f75 },
 623   /* 0F 76 /wr */ { BxPrefixSSE, BX_IA_PCMPEQD_PqQq, BxOpcodeGroupSSE_0f76 },
 624   /* 0F 77 /wr */ { BxPrefixSSE, BX_IA_EMMS, BxOpcodeGroupSSE_ERR },
 625   /* 0F 78 /wr */ { 0, BX_IA_ERROR },
 626   /* 0F 79 /wr */ { 0, BX_IA_ERROR },
 627   /* 0F 7A /wr */ { 0, BX_IA_ERROR },
 628   /* 0F 7B /wr */ { 0, BX_IA_ERROR },
 629   /* 0F 7C /wr */ { BxPrefixSSE, BX_IA_ERROR, BxOpcodeGroupSSE_0f7c },
 630   /* 0F 7D /wr */ { BxPrefixSSE, BX_IA_ERROR, BxOpcodeGroupSSE_0f7d },
 631   /* 0F 7E /wr */ { BxPrefixSSE, BX_IA_MOVD_EdPd, BxOpcodeGroupSSE_0f7e },
 632   /* 0F 7F /wr */ { BxPrefixSSE, BX_IA_MOVQ_QqPq, BxOpcodeGroupSSE_0f7f },
 633   /* 0F 80 /wr */ { BxImmediate_BrOff16 | BxTraceJCC, BX_IA_JO_Jw },
 634   /* 0F 81 /wr */ { BxImmediate_BrOff16 | BxTraceJCC, BX_IA_JNO_Jw },
 635   /* 0F 82 /wr */ { BxImmediate_BrOff16 | BxTraceJCC, BX_IA_JB_Jw },
 636   /* 0F 83 /wr */ { BxImmediate_BrOff16 | BxTraceJCC, BX_IA_JNB_Jw },
 637   /* 0F 84 /wr */ { BxImmediate_BrOff16 | BxTraceJCC, BX_IA_JZ_Jw },
 638   /* 0F 85 /wr */ { BxImmediate_BrOff16 | BxTraceJCC, BX_IA_JNZ_Jw },
 639   /* 0F 86 /wr */ { BxImmediate_BrOff16 | BxTraceJCC, BX_IA_JBE_Jw },
 640   /* 0F 87 /wr */ { BxImmediate_BrOff16 | BxTraceJCC, BX_IA_JNBE_Jw },
 641   /* 0F 88 /wr */ { BxImmediate_BrOff16 | BxTraceJCC, BX_IA_JS_Jw },
 642   /* 0F 89 /wr */ { BxImmediate_BrOff16 | BxTraceJCC, BX_IA_JNS_Jw },
 643   /* 0F 8A /wr */ { BxImmediate_BrOff16 | BxTraceJCC, BX_IA_JP_Jw },
 644   /* 0F 8B /wr */ { BxImmediate_BrOff16 | BxTraceJCC, BX_IA_JNP_Jw },
 645   /* 0F 8C /wr */ { BxImmediate_BrOff16 | BxTraceJCC, BX_IA_JL_Jw },
 646   /* 0F 8D /wr */ { BxImmediate_BrOff16 | BxTraceJCC, BX_IA_JNL_Jw },
 647   /* 0F 8E /wr */ { BxImmediate_BrOff16 | BxTraceJCC, BX_IA_JLE_Jw },
 648   /* 0F 8F /wr */ { BxImmediate_BrOff16 | BxTraceJCC, BX_IA_JNLE_Jw },
 649   /* 0F 90 /wr */ { 0, BX_IA_SETO_EbR },
 650   /* 0F 91 /wr */ { 0, BX_IA_SETNO_EbR },
 651   /* 0F 92 /wr */ { 0, BX_IA_SETB_EbR },
 652   /* 0F 93 /wr */ { 0, BX_IA_SETNB_EbR },
 653   /* 0F 94 /wr */ { 0, BX_IA_SETZ_EbR },
 654   /* 0F 95 /wr */ { 0, BX_IA_SETNZ_EbR },
 655   /* 0F 96 /wr */ { 0, BX_IA_SETBE_EbR },
 656   /* 0F 97 /wr */ { 0, BX_IA_SETNBE_EbR },
 657   /* 0F 98 /wr */ { 0, BX_IA_SETS_EbR },
 658   /* 0F 99 /wr */ { 0, BX_IA_SETNS_EbR },
 659   /* 0F 9A /wr */ { 0, BX_IA_SETP_EbR },
 660   /* 0F 9B /wr */ { 0, BX_IA_SETNP_EbR },
 661   /* 0F 9C /wr */ { 0, BX_IA_SETL_EbR },
 662   /* 0F 9D /wr */ { 0, BX_IA_SETNL_EbR },
 663   /* 0F 9E /wr */ { 0, BX_IA_SETLE_EbR },
 664   /* 0F 9F /wr */ { 0, BX_IA_SETNLE_EbR },
 665   /* 0F A0 /wr */ { 0, BX_IA_PUSH16_FS },
 666   /* 0F A1 /wr */ { 0, BX_IA_POP16_FS },
 667   /* 0F A2 /wr */ { 0, BX_IA_CPUID },
 668   /* 0F A3 /wr */ { 0, BX_IA_BT_EwGwR },
 669   /* 0F A4 /wr */ { BxImmediate_Ib, BX_IA_SHLD_EwGwR },
 670   /* 0F A5 /wr */ { 0,              BX_IA_SHLD_EwGwR },
 671   /* 0F A6 /wr */ { BxTraceEnd, BX_IA_CMPXCHG_XBTS }, // not implemented
 672   /* 0F A7 /wr */ { BxTraceEnd, BX_IA_CMPXCHG_IBTS }, // not implemented
 673   /* 0F A8 /wr */ { 0, BX_IA_PUSH16_GS },
 674   /* 0F A9 /wr */ { 0, BX_IA_POP16_GS },
 675   /* 0F AA /wr */ { BxTraceEnd, BX_IA_RSM },
 676   /* 0F AB /wr */ { 0, BX_IA_BTS_EwGwR },
 677   /* 0F AC /wr */ { BxImmediate_Ib, BX_IA_SHRD_EwGwR },
 678   /* 0F AD /wr */ { 0,              BX_IA_SHRD_EwGwR },
 679   /* 0F AE /wr */ { BxGroup15, BX_IA_ERROR, BxOpcodeInfoG15R },
 680   /* 0F AF /wr */ { 0, BX_IA_IMUL_GwEwR },
 681   /* 0F B0 /wr */ { 0, BX_IA_CMPXCHG_EbGbR },
 682   /* 0F B1 /wr */ { 0, BX_IA_CMPXCHG_EwGwR },
 683   /* 0F B2 /wr */ { 0, BX_IA_ERROR }, // LSS
 684   /* 0F B3 /wr */ { 0, BX_IA_BTR_EwGwR },
 685   /* 0F B4 /wr */ { 0, BX_IA_ERROR }, // LFS
 686   /* 0F B5 /wr */ { 0, BX_IA_ERROR }, // LGS
 687   /* 0F B6 /wr */ { 0, BX_IA_MOVZX_GwEbR },
 688   /* 0F B7 /wr */ { 0, BX_IA_MOV_GwEwR }, // MOVZX_GwEw
 689   /* 0F B8 /wr */ { BxPrefixSSE, BX_IA_ERROR, BxOpcodeGroupSSE_0fb8wR },
 690   /* 0F B9 /wr */ { 0, BX_IA_UD2B },
 691   /* 0F BA /wr */ { BxGroup8, BX_IA_ERROR, BxOpcodeInfoG8EwIbR },
 692   /* 0F BB /wr */ { 0, BX_IA_BTC_EwGwR },
 693   /* 0F BC /wr */ { 0, BX_IA_BSF_GwEwR },
 694   /* 0F BD /wr */ { 0, BX_IA_BSR_GwEwR },
 695   /* 0F BE /wr */ { 0, BX_IA_MOVSX_GwEbR },
 696   /* 0F BF /wr */ { 0, BX_IA_MOV_GwEwR }, // MOVSX_GwEw
 697   /* 0F C0 /wr */ { 0, BX_IA_XADD_EbGbR },
 698   /* 0F C1 /wr */ { 0, BX_IA_XADD_EwGwR },
 699   /* 0F C2 /wr */ { BxPrefixSSE | BxImmediate_Ib, BX_IA_CMPPS_VpsWpsIb, BxOpcodeGroupSSE_0fc2 },
 700   /* 0F C3 /wr */ { 0, BX_IA_ERROR }, // MOVNTI SSE group
 701   /* 0F C4 /wr */ { BxPrefixSSE | BxImmediate_Ib, BX_IA_PINSRW_PqEwIb, BxOpcodeGroupSSE_0fc4 },
 702   /* 0F C5 /wr */ { BxPrefixSSE | BxImmediate_Ib, BX_IA_PEXTRW_GdPqIb, BxOpcodeGroupSSE_0fc5R },
 703   /* 0F C6 /wr */ { BxPrefixSSE | BxImmediate_Ib, BX_IA_SHUFPS_VpsWpsIb, BxOpcodeGroupSSE_0fc6 },
 704   /* 0F C7 /wr */ { 0, BX_IA_ERROR }, // CMPXCHG8B G9 group
 705   /* 0F C8 /wr */ { 0, BX_IA_BSWAP_ERX },
 706   /* 0F C9 /wr */ { 0, BX_IA_BSWAP_ERX },
 707   /* 0F CA /wr */ { 0, BX_IA_BSWAP_ERX },
 708   /* 0F CB /wr */ { 0, BX_IA_BSWAP_ERX },
 709   /* 0F CC /wr */ { 0, BX_IA_BSWAP_ERX },
 710   /* 0F CD /wr */ { 0, BX_IA_BSWAP_ERX },
 711   /* 0F CE /wr */ { 0, BX_IA_BSWAP_ERX },
 712   /* 0F CF /wr */ { 0, BX_IA_BSWAP_ERX },
 713   /* 0F D0 /wr */ { BxPrefixSSE, BX_IA_ERROR, BxOpcodeGroupSSE_0fd0 },
 714   /* 0F D1 /wr */ { BxPrefixSSE, BX_IA_PSRLW_PqQq, BxOpcodeGroupSSE_0fd1 },
 715   /* 0F D2 /wr */ { BxPrefixSSE, BX_IA_PSRLD_PqQq, BxOpcodeGroupSSE_0fd2 },
 716   /* 0F D3 /wr */ { BxPrefixSSE, BX_IA_PSRLQ_PqQq, BxOpcodeGroupSSE_0fd3 },
 717   /* 0F D4 /wr */ { BxPrefixSSE, BX_IA_PADDQ_PqQq, BxOpcodeGroupSSE_0fd4 },
 718   /* 0F D5 /wr */ { BxPrefixSSE, BX_IA_PMULLW_PqQq, BxOpcodeGroupSSE_0fd5 },
 719   /* 0F D6 /wr */ { BxPrefixSSE, BX_IA_ERROR, BxOpcodeGroupSSE_0fd6 },
 720   /* 0F D7 /wr */ { BxPrefixSSE, BX_IA_PMOVMSKB_GdPRq, BxOpcodeGroupSSE_0fd7 },
 721   /* 0F D8 /wr */ { BxPrefixSSE, BX_IA_PSUBUSB_PqQq, BxOpcodeGroupSSE_0fd8 },
 722   /* 0F D9 /wr */ { BxPrefixSSE, BX_IA_PSUBUSW_PqQq, BxOpcodeGroupSSE_0fd9 },
 723   /* 0F DA /wr */ { BxPrefixSSE, BX_IA_PMINUB_PqQq, BxOpcodeGroupSSE_0fda },
 724   /* 0F DB /wr */ { BxPrefixSSE, BX_IA_PAND_PqQq, BxOpcodeGroupSSE_0fdb },
 725   /* 0F DC /wr */ { BxPrefixSSE, BX_IA_PADDUSB_PqQq, BxOpcodeGroupSSE_0fdc },
 726   /* 0F DD /wr */ { BxPrefixSSE, BX_IA_PADDUSW_PqQq, BxOpcodeGroupSSE_0fdd },
 727   /* 0F DE /wr */ { BxPrefixSSE, BX_IA_PMAXUB_PqQq, BxOpcodeGroupSSE_0fde },
 728   /* 0F DF /wr */ { BxPrefixSSE, BX_IA_PANDN_PqQq, BxOpcodeGroupSSE_0fdf },
 729   /* 0F E0 /wr */ { BxPrefixSSE, BX_IA_PAVGB_PqQq, BxOpcodeGroupSSE_0fe0 },
 730   /* 0F E1 /wr */ { BxPrefixSSE, BX_IA_PSRAW_PqQq, BxOpcodeGroupSSE_0fe1 },
 731   /* 0F E2 /wr */ { BxPrefixSSE, BX_IA_PSRAD_PqQq, BxOpcodeGroupSSE_0fe2 },
 732   /* 0F E3 /wr */ { BxPrefixSSE, BX_IA_PAVGW_PqQq, BxOpcodeGroupSSE_0fe3 },
 733   /* 0F E4 /wr */ { BxPrefixSSE, BX_IA_PMULHUW_PqQq, BxOpcodeGroupSSE_0fe4 },
 734   /* 0F E5 /wr */ { BxPrefixSSE, BX_IA_PMULHW_PqQq, BxOpcodeGroupSSE_0fe5 },
 735   /* 0F E6 /wr */ { BxPrefixSSE, BX_IA_ERROR, BxOpcodeGroupSSE_0fe6 },
 736   /* 0F E7 /wr */ { 0, BX_IA_ERROR }, // MOVNTQ/MOVNTDQ SSE group
 737   /* 0F E8 /wr */ { BxPrefixSSE, BX_IA_PSUBSB_PqQq, BxOpcodeGroupSSE_0fe8 },
 738   /* 0F E9 /wr */ { BxPrefixSSE, BX_IA_PSUBSW_PqQq, BxOpcodeGroupSSE_0fe9 },
 739   /* 0F EA /wr */ { BxPrefixSSE, BX_IA_PMINSW_PqQq, BxOpcodeGroupSSE_0fea },
 740   /* 0F EB /wr */ { BxPrefixSSE, BX_IA_POR_PqQq, BxOpcodeGroupSSE_0feb },
 741   /* 0F EC /wr */ { BxPrefixSSE, BX_IA_PADDSB_PqQq, BxOpcodeGroupSSE_0fec },
 742   /* 0F ED /wr */ { BxPrefixSSE, BX_IA_PADDSW_PqQq, BxOpcodeGroupSSE_0fed },
 743   /* 0F EE /wr */ { BxPrefixSSE, BX_IA_PMAXSW_PqQq, BxOpcodeGroupSSE_0fee },
 744   /* 0F EF /wr */ { BxPrefixSSE, BX_IA_PXOR_PqQq, BxOpcodeGroupSSE_0fef },
 745   /* 0F F0 /wr */ { 0, BX_IA_ERROR }, // LDDQU SSE group
 746   /* 0F F1 /wr */ { BxPrefixSSE, BX_IA_PSLLW_PqQq, BxOpcodeGroupSSE_0ff1 },
 747   /* 0F F2 /wr */ { BxPrefixSSE, BX_IA_PSLLD_PqQq, BxOpcodeGroupSSE_0ff2 },
 748   /* 0F F3 /wr */ { BxPrefixSSE, BX_IA_PSLLQ_PqQq, BxOpcodeGroupSSE_0ff3 },
 749   /* 0F F4 /wr */ { BxPrefixSSE, BX_IA_PMULUDQ_PqQq, BxOpcodeGroupSSE_0ff4 },
 750   /* 0F F5 /wr */ { BxPrefixSSE, BX_IA_PMADDWD_PqQq, BxOpcodeGroupSSE_0ff5 },
 751   /* 0F F6 /wr */ { BxPrefixSSE, BX_IA_PSADBW_PqQq, BxOpcodeGroupSSE_0ff6 },
 752   /* 0F F7 /wr */ { BxPrefixSSE, BX_IA_MASKMOVQ_PqPRq, BxOpcodeGroupSSE_0ff7R },
 753   /* 0F F8 /wr */ { BxPrefixSSE, BX_IA_PSUBB_PqQq, BxOpcodeGroupSSE_0ff8 },
 754   /* 0F F9 /wr */ { BxPrefixSSE, BX_IA_PSUBW_PqQq, BxOpcodeGroupSSE_0ff9 },
 755   /* 0F FA /wr */ { BxPrefixSSE, BX_IA_PSUBD_PqQq, BxOpcodeGroupSSE_0ffa },
 756   /* 0F FB /wr */ { BxPrefixSSE, BX_IA_PSUBQ_PqQq, BxOpcodeGroupSSE_0ffb },
 757   /* 0F FC /wr */ { BxPrefixSSE, BX_IA_PADDB_PqQq, BxOpcodeGroupSSE_0ffc },
 758   /* 0F FD /wr */ { BxPrefixSSE, BX_IA_PADDW_PqQq, BxOpcodeGroupSSE_0ffd },
 759   /* 0F FE /wr */ { BxPrefixSSE, BX_IA_PADDD_PqQq, BxOpcodeGroupSSE_0ffe },
 760   /* 0F FF /wr */ { 0, BX_IA_ERROR },
 761
 762   // 512 entries for 32bit mode
 763   /* 00 /dr */ { BxArithDstRM, BX_IA_ADD_GbEbR },
 764   /* 01 /dr */ { BxArithDstRM, BX_IA_ADD_GdEdR },
 765   /* 02 /dr */ { 0, BX_IA_ADD_GbEbR },
 766   /* 03 /dr */ { 0, BX_IA_ADD_GdEdR },
 767   /* 04 /dr */ { BxImmediate_Ib, BX_IA_ADD_ALIb },
 768   /* 05 /dr */ { BxImmediate_Id, BX_IA_ADD_EAXId },
 769   /* 06 /dr */ { 0, BX_IA_PUSH32_ES },
 770   /* 07 /dr */ { 0, BX_IA_POP32_ES },
 771   /* 08 /dr */ { BxArithDstRM, BX_IA_OR_GbEbR },
 772   /* 09 /dr */ { BxArithDstRM, BX_IA_OR_GdEdR },
 773   /* 0A /dr */ { 0, BX_IA_OR_GbEbR },
 774   /* 0B /dr */ { 0, BX_IA_OR_GdEdR },
 775   /* 0C /dr */ { BxImmediate_Ib, BX_IA_OR_ALIb },
 776   /* 0D /dr */ { BxImmediate_Id, BX_IA_OR_EAXId },
 777   /* 0E /dr */ { 0, BX_IA_PUSH32_CS },
 778   /* 0F /dr */ { 0, BX_IA_ERROR }, // 2-byte escape
 779   /* 10 /dr */ { BxArithDstRM, BX_IA_ADC_GbEbR },
 780   /* 11 /dr */ { BxArithDstRM, BX_IA_ADC_GdEdR },
 781   /* 12 /dr */ { 0, BX_IA_ADC_GbEbR },
 782   /* 13 /dr */ { 0, BX_IA_ADC_GdEdR },
 783   /* 14 /dr */ { BxImmediate_Ib, BX_IA_ADC_ALIb },
 784   /* 15 /dr */ { BxImmediate_Id, BX_IA_ADC_EAXId },
 785   /* 16 /dr */ { 0, BX_IA_PUSH32_SS },
 786   /* 17 /dr */ { BxTraceEnd, BX_IA_POP32_SS }, // async_event = 1
 787   /* 18 /dr */ { BxArithDstRM, BX_IA_SBB_GbEbR },
 788   /* 19 /dr */ { BxArithDstRM, BX_IA_SBB_GdEdR },
 789   /* 1A /dr */ { 0, BX_IA_SBB_GbEbR },
 790   /* 1B /dr */ { 0, BX_IA_SBB_GdEdR },
 791   /* 1C /dr */ { BxImmediate_Ib, BX_IA_SBB_ALIb },
 792   /* 1D /dr */ { BxImmediate_Id, BX_IA_SBB_EAXId },
 793   /* 1E /dr */ { 0, BX_IA_PUSH32_DS },
 794   /* 1F /dr */ { 0, BX_IA_POP32_DS },
 795   /* 20 /dr */ { BxArithDstRM, BX_IA_AND_GbEbR },
 796   /* 21 /dr */ { BxArithDstRM, BX_IA_AND_GdEdR },
 797   /* 22 /dr */ { 0, BX_IA_AND_GbEbR },
 798   /* 23 /dr */ { 0, BX_IA_AND_GdEdR },
 799   /* 24 /dr */ { BxImmediate_Ib, BX_IA_AND_ALIb },
 800   /* 25 /dr */ { BxImmediate_Id, BX_IA_AND_EAXId },
 801   /* 26 /dr */ { 0, BX_IA_ERROR }, // ES:
 802   /* 27 /dr */ { 0, BX_IA_DAA },
 803   /* 28 /dr */ { BxArithDstRM, BX_IA_SUB_GbEbR },
 804   /* 29 /dr */ { BxArithDstRM, BX_IA_SUB_GdEdR },
 805   /* 2A /dr */ { 0, BX_IA_SUB_GbEbR },
 806   /* 2B /dr */ { 0, BX_IA_SUB_GdEdR },
 807   /* 2C /dr */ { BxImmediate_Ib, BX_IA_SUB_ALIb },
 808   /* 2D /dr */ { BxImmediate_Id, BX_IA_SUB_EAXId },
 809   /* 2E /dr */ { 0, BX_IA_ERROR }, // CS:
 810   /* 2F /dr */ { 0, BX_IA_DAS },
 811   /* 30 /dr */ { BxArithDstRM, BX_IA_XOR_GbEbR },
 812   /* 31 /dr */ { BxArithDstRM, BX_IA_XOR_GdEdR },
 813   /* 32 /dr */ { 0, BX_IA_XOR_GbEbR },
 814   /* 33 /dr */ { 0, BX_IA_XOR_GdEdR },
 815   /* 34 /dr */ { BxImmediate_Ib, BX_IA_XOR_ALIb },
 816   /* 35 /dr */ { BxImmediate_Id, BX_IA_XOR_EAXId },
 817   /* 36 /dr */ { 0, BX_IA_ERROR }, // SS:
 818   /* 37 /dr */ { 0, BX_IA_AAA },
 819   /* 38 /dr */ { BxArithDstRM, BX_IA_CMP_GbEbR },
 820   /* 39 /dr */ { BxArithDstRM, BX_IA_CMP_GdEdR },
 821   /* 3A /dr */ { 0, BX_IA_CMP_GbEbR },
 822   /* 3B /dr */ { 0, BX_IA_CMP_GdEdR },
 823   /* 3C /dr */ { BxImmediate_Ib, BX_IA_CMP_ALIb },
 824   /* 3D /dr */ { BxImmediate_Id, BX_IA_CMP_EAXId },
 825   /* 3E /dr */ { 0, BX_IA_ERROR }, // DS:
 826   /* 3F /dr */ { 0, BX_IA_AAS },
 827   /* 40 /dr */ { 0, BX_IA_INC_ERX },
 828   /* 41 /dr */ { 0, BX_IA_INC_ERX },
 829   /* 42 /dr */ { 0, BX_IA_INC_ERX },
 830   /* 43 /dr */ { 0, BX_IA_INC_ERX },
 831   /* 44 /dr */ { 0, BX_IA_INC_ERX },
 832   /* 45 /dr */ { 0, BX_IA_INC_ERX },
 833   /* 46 /dr */ { 0, BX_IA_INC_ERX },
 834   /* 47 /dr */ { 0, BX_IA_INC_ERX },
 835   /* 48 /dr */ { 0, BX_IA_DEC_ERX },
 836   /* 49 /dr */ { 0, BX_IA_DEC_ERX },
 837   /* 4A /dr */ { 0, BX_IA_DEC_ERX },
 838   /* 4B /dr */ { 0, BX_IA_DEC_ERX },
 839   /* 4C /dr */ { 0, BX_IA_DEC_ERX },
 840   /* 4D /dr */ { 0, BX_IA_DEC_ERX },
 841   /* 4E /dr */ { 0, BX_IA_DEC_ERX },
 842   /* 4F /dr */ { 0, BX_IA_DEC_ERX },
 843   /* 50 /dr */ { 0, BX_IA_PUSH_ERX },
 844   /* 51 /dr */ { 0, BX_IA_PUSH_ERX },
 845   /* 52 /dr */ { 0, BX_IA_PUSH_ERX },
 846   /* 53 /dr */ { 0, BX_IA_PUSH_ERX },
 847   /* 54 /dr */ { 0, BX_IA_PUSH_ERX },
 848   /* 55 /dr */ { 0, BX_IA_PUSH_ERX },
 849   /* 56 /dr */ { 0, BX_IA_PUSH_ERX },
 850   /* 57 /dr */ { 0, BX_IA_PUSH_ERX },
 851   /* 58 /dr */ { 0, BX_IA_POP_ERX },
 852   /* 59 /dr */ { 0, BX_IA_POP_ERX },
 853   /* 5A /dr */ { 0, BX_IA_POP_ERX },
 854   /* 5B /dr */ { 0, BX_IA_POP_ERX },
 855   /* 5C /dr */ { 0, BX_IA_POP_ERX },
 856   /* 5D /dr */ { 0, BX_IA_POP_ERX },
 857   /* 5E /dr */ { 0, BX_IA_POP_ERX },
 858   /* 5F /dr */ { 0, BX_IA_POP_ERX },
 859   /* 60 /dr */ { 0, BX_IA_PUSHAD32 },
 860   /* 61 /dr */ { 0, BX_IA_POPAD32 },
 861   /* 62 /dr */ { 0, BX_IA_ERROR }, // BOUND
 862   /* 63 /dr */ { 0, BX_IA_ARPL_EwGw },
 863   /* 64 /dr */ { 0, BX_IA_ERROR }, // FS:
 864   /* 65 /dr */ { 0, BX_IA_ERROR }, // GS:
 865   /* 66 /dr */ { 0, BX_IA_ERROR }, // OS:
 866   /* 67 /dr */ { 0, BX_IA_ERROR }, // AS:
 867   /* 68 /dr */ { BxImmediate_Id, BX_IA_PUSH_Id },
 868   /* 69 /dr */ { BxImmediate_Id, BX_IA_IMUL_GdEdIdR },
 869   /* 6A /dr */ { BxImmediate_Ib_SE, BX_IA_PUSH_Id },
 870   /* 6B /dr */ { BxImmediate_Ib_SE, BX_IA_IMUL_GdEdIdR },
 871   /* 6C /dr */ { 0, BX_IA_REP_INSB_YbDX },
 872   /* 6D /dr */ { 0, BX_IA_REP_INSD_YdDX },
 873   /* 6E /dr */ { 0, BX_IA_REP_OUTSB_DXXb },
 874   /* 6F /dr */ { 0, BX_IA_REP_OUTSD_DXXd },
 875   /* 70 /dr */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JO_Jd },
 876   /* 71 /dr */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JNO_Jd },
 877   /* 72 /dr */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JB_Jd },
 878   /* 73 /dr */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JNB_Jd },
 879   /* 74 /dr */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JZ_Jd },
 880   /* 75 /dr */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JNZ_Jd },
 881   /* 76 /dr */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JBE_Jd },
 882   /* 77 /dr */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JNBE_Jd },
 883   /* 78 /dr */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JS_Jd },
 884   /* 79 /dr */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JNS_Jd },
 885   /* 7A /dr */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JP_Jd },
 886   /* 7B /dr */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JNP_Jd },
 887   /* 7C /dr */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JL_Jd },
 888   /* 7D /dr */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JNL_Jd },
 889   /* 7E /dr */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JLE_Jd },
 890   /* 7F /dr */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JNLE_Jd },
 891   /* 80 /dr */ { BxGroup1 | BxImmediate_Ib, BX_IA_ERROR, BxOpcodeInfoG1EbIbR },
 892   /* 81 /dr */ { BxGroup1 | BxImmediate_Id, BX_IA_ERROR, BxOpcodeInfoG1EdR },
 893   /* 82 /dr */ { BxGroup1 | BxImmediate_Ib, BX_IA_ERROR, BxOpcodeInfoG1EbIbR },
 894   /* 83 /dr */ { BxGroup1 | BxImmediate_Ib_SE, BX_IA_ERROR, BxOpcodeInfoG1EdR },
 895   /* 84 /dr */ { 0, BX_IA_TEST_EbGbR },
 896   /* 85 /dr */ { 0, BX_IA_TEST_EdGdR },
 897   /* 86 /dr */ { 0, BX_IA_XCHG_EbGbR },
 898   /* 87 /dr */ { 0, BX_IA_XCHG_EdGdR },
 899   /* 88 /dr */ { BxArithDstRM, BX_IA_MOV_GbEbR },
 900   /* 89 /dr */ { BxArithDstRM, BX_IA_MOV_GdEdR },
 901   /* 8A /dr */ { 0, BX_IA_MOV_GbEbR },
 902   /* 8B /dr */ { 0, BX_IA_MOV_GdEdR },
 903   /* 8C /dr */ { 0, BX_IA_MOV_EwSwR },
 904   /* 8D /dr */ { 0, BX_IA_ERROR }, // LEA
 905   /* 8E /dr */ { 0, BX_IA_MOV_SwEw },
 906   /* 8F /dr */ { BxGroup1A, BX_IA_ERROR, BxOpcodeInfoG1AEdR },
 907   /* 90 /dr */ { 0, BX_IA_NOP },
 908   /* 91 /dr */ { 0, BX_IA_XCHG_ERXEAX },
 909   /* 92 /dr */ { 0, BX_IA_XCHG_ERXEAX },
 910   /* 93 /dr */ { 0, BX_IA_XCHG_ERXEAX },
 911   /* 94 /dr */ { 0, BX_IA_XCHG_ERXEAX },
 912   /* 95 /dr */ { 0, BX_IA_XCHG_ERXEAX },
 913   /* 96 /dr */ { 0, BX_IA_XCHG_ERXEAX },
 914   /* 97 /dr */ { 0, BX_IA_XCHG_ERXEAX },
 915   /* 98 /dr */ { 0, BX_IA_CWDE },
 916   /* 99 /dr */ { 0, BX_IA_CDQ },
 917   /* 9A /dr */ { BxImmediate_IdIw | BxTraceEnd, BX_IA_CALL32_Ap },
 918   /* 9B /dr */ { 0, BX_IA_FWAIT },
 919   /* 9C /dr */ { 0, BX_IA_PUSHF_Fd },
 920   /* 9D /dr */ { 0, BX_IA_POPF_Fd },
 921   /* 9E /dr */ { 0, BX_IA_SAHF },
 922   /* 9F /dr */ { 0, BX_IA_LAHF },
 923   /* A0 /dr */ { BxImmediate_O, BX_IA_MOV_ALOd },
 924   /* A1 /dr */ { BxImmediate_O, BX_IA_MOV_EAXOd },
 925   /* A2 /dr */ { BxImmediate_O, BX_IA_MOV_OdAL },
 926   /* A3 /dr */ { BxImmediate_O, BX_IA_MOV_OdEAX },
 927   /* A4 /dr */ { 0, BX_IA_REP_MOVSB_XbYb },
 928   /* A5 /dr */ { 0, BX_IA_REP_MOVSD_XdYd },
 929   /* A6 /dr */ { 0, BX_IA_REP_CMPSB_XbYb },
 930   /* A7 /dr */ { 0, BX_IA_REP_CMPSD_XdYd },
 931   /* A8 /dr */ { BxImmediate_Ib, BX_IA_TEST_ALIb },
 932   /* A9 /dr */ { BxImmediate_Id, BX_IA_TEST_EAXId },
 933   /* AA /dr */ { 0, BX_IA_REP_STOSB_YbAL },
 934   /* AB /dr */ { 0, BX_IA_REP_STOSD_YdEAX },
 935   /* AC /dr */ { 0, BX_IA_REP_LODSB_ALXb },
 936   /* AD /dr */ { 0, BX_IA_REP_LODSD_EAXXd },
 937   /* AE /dr */ { 0, BX_IA_REP_SCASB_ALXb  },
 938   /* AF /dr */ { 0, BX_IA_REP_SCASD_EAXXd },
 939   /* B0 /dr */ { BxImmediate_Ib, BX_IA_MOV_RLIb },
 940   /* B1 /dr */ { BxImmediate_Ib, BX_IA_MOV_RLIb },
 941   /* B2 /dr */ { BxImmediate_Ib, BX_IA_MOV_RLIb },
 942   /* B3 /dr */ { BxImmediate_Ib, BX_IA_MOV_RLIb },
 943   /* B4 /dr */ { BxImmediate_Ib, BX_IA_MOV_RHIb },
 944   /* B5 /dr */ { BxImmediate_Ib, BX_IA_MOV_RHIb },
 945   /* B6 /dr */ { BxImmediate_Ib, BX_IA_MOV_RHIb },
 946   /* B7 /dr */ { BxImmediate_Ib, BX_IA_MOV_RHIb },
 947   /* B8 /dr */ { BxImmediate_Id, BX_IA_MOV_ERXId },
 948   /* B9 /dr */ { BxImmediate_Id, BX_IA_MOV_ERXId },
 949   /* BA /dr */ { BxImmediate_Id, BX_IA_MOV_ERXId },
 950   /* BB /dr */ { BxImmediate_Id, BX_IA_MOV_ERXId },
 951   /* BC /dr */ { BxImmediate_Id, BX_IA_MOV_ERXId },
 952   /* BD /dr */ { BxImmediate_Id, BX_IA_MOV_ERXId },
 953   /* BE /dr */ { BxImmediate_Id, BX_IA_MOV_ERXId },
 954   /* BF /dr */ { BxImmediate_Id, BX_IA_MOV_ERXId },
 955   /* C0 /dr */ { BxGroup2 | BxImmediate_Ib, BX_IA_ERROR, BxOpcodeInfoG2Eb },
 956   /* C1 /dr */ { BxGroup2 | BxImmediate_Ib, BX_IA_ERROR, BxOpcodeInfoG2EdR },
 957   /* C2 /dr */ { BxImmediate_Iw | BxTraceEnd, BX_IA_RETnear32_Iw },
 958   /* C3 /dr */ { BxTraceEnd,                  BX_IA_RETnear32 },
 959   /* C4 /dr */ { 0, BX_IA_ERROR }, // LES
 960   /* C5 /dr */ { 0, BX_IA_ERROR }, // LDS
 961   /* C6 /dr */ { BxGroup11, BX_IA_ERROR, BxOpcodeInfoG11EbR },
 962   /* C7 /dr */ { BxGroup11, BX_IA_ERROR, BxOpcodeInfoG11EdR },
 963   /* C8 /dr */ { BxImmediate_IwIb, BX_IA_ENTER32_IwIb },
 964   /* C9 /dr */ { 0, BX_IA_LEAVE32 },
 965   /* CA /dr */ { BxImmediate_Iw | BxTraceEnd, BX_IA_RETfar32_Iw },
 966   /* CB /dr */ { BxTraceEnd,                  BX_IA_RETfar32 },
 967   /* CC /dr */ { BxTraceEnd, BX_IA_INT3 },
 968   /* CD /dr */ { BxImmediate_Ib | BxTraceEnd, BX_IA_INT_Ib },
 969   /* CE /dr */ { BxTraceEnd, BX_IA_INTO },
 970   /* CF /dr */ { BxTraceEnd, BX_IA_IRET32 },
 971   /* D0 /dr */ { BxGroup2 | BxImmediate_I1, BX_IA_ERROR, BxOpcodeInfoG2Eb },
 972   /* D1 /dr */ { BxGroup2 | BxImmediate_I1, BX_IA_ERROR, BxOpcodeInfoG2EdR },
 973   /* D2 /dr */ { BxGroup2, BX_IA_ERROR, BxOpcodeInfoG2Eb },
 974   /* D3 /dr */ { BxGroup2, BX_IA_ERROR, BxOpcodeInfoG2EdR },
 975   /* D4 /dr */ { BxImmediate_Ib, BX_IA_AAM },
 976   /* D5 /dr */ { BxImmediate_Ib, BX_IA_AAD },
 977   /* D6 /dr */ { 0, BX_IA_SALC },
 978   /* D7 /dr */ { 0, BX_IA_XLAT },
 979 #if BX_SUPPORT_FPU
 980   /* D8 /dr */ { BxFPEscape, BX_IA_ERROR, BxOpcodeInfo_FloatingPointD8 },
 981   /* D9 /dr */ { BxFPEscape, BX_IA_ERROR, BxOpcodeInfo_FloatingPointD9 },
 982   /* DA /dr */ { BxFPEscape, BX_IA_ERROR, BxOpcodeInfo_FloatingPointDA },
 983   /* DB /dr */ { BxFPEscape, BX_IA_ERROR, BxOpcodeInfo_FloatingPointDB },
 984   /* DC /dr */ { BxFPEscape, BX_IA_ERROR, BxOpcodeInfo_FloatingPointDC },
 985   /* DD /dr */ { BxFPEscape, BX_IA_ERROR, BxOpcodeInfo_FloatingPointDD },
 986   /* DE /dr */ { BxFPEscape, BX_IA_ERROR, BxOpcodeInfo_FloatingPointDE },
 987   /* DF /dr */ { BxFPEscape, BX_IA_ERROR, BxOpcodeInfo_FloatingPointDF },
 988 #else
 989   /* D8 /dr */ { 0, BX_IA_FPU_ESC },
 990   /* D9 /dr */ { 0, BX_IA_FPU_ESC },
 991   /* DA /dr */ { 0, BX_IA_FPU_ESC },
 992   /* DB /dr */ { 0, BX_IA_FPU_ESC },
 993   /* DC /dr */ { 0, BX_IA_FPU_ESC },
 994   /* DD /dr */ { 0, BX_IA_FPU_ESC },
 995   /* DE /dr */ { 0, BX_IA_FPU_ESC },
 996   /* DF /dr */ { 0, BX_IA_FPU_ESC },
 997 #endif
 998   /* E0 /dr */ { BxImmediate_BrOff8 | BxTraceEnd, BX_IA_LOOPNE32_Jb },
 999   /* E1 /dr */ { BxImmediate_BrOff8 | BxTraceEnd, BX_IA_LOOPE32_Jb },
1000   /* E2 /dr */ { BxImmediate_BrOff8 | BxTraceEnd, BX_IA_LOOP32_Jb },
1001   /* E3 /dr */ { BxImmediate_BrOff8 | BxTraceEnd, BX_IA_JECXZ_Jb },
1002   /* E4 /dr */ { BxImmediate_Ib, BX_IA_IN_ALIb },
1003   /* E5 /dr */ { BxImmediate_Ib, BX_IA_IN_EAXIb },
1004   /* E6 /dr */ { BxImmediate_Ib, BX_IA_OUT_IbAL },
1005   /* E7 /dr */ { BxImmediate_Ib, BX_IA_OUT_IbEAX },
1006   /* E8 /dr */ { BxImmediate_BrOff32 | BxTraceEnd, BX_IA_CALL_Jd },
1007   /* E9 /dr */ { BxImmediate_BrOff32 | BxTraceEnd, BX_IA_JMP_Jd },
1008   /* EA /dr */ { BxImmediate_IdIw | BxTraceEnd, BX_IA_JMP_Ap },
1009   /* EB /dr */ { BxImmediate_BrOff8 | BxTraceEnd, BX_IA_JMP_Jd },
1010   /* EC /dr */ { 0, BX_IA_IN_ALDX },
1011   /* ED /dr */ { 0, BX_IA_IN_EAXDX },
1012   /* EE /dr */ { 0, BX_IA_OUT_DXAL },
1013   /* EF /dr */ { 0, BX_IA_OUT_DXEAX },
1014   /* F0 /dr */ { 0, BX_IA_ERROR }, // LOCK:
1015   /* F1 /dr */ { BxTraceEnd, BX_IA_INT1 },
1016   /* F2 /dr */ { 0, BX_IA_ERROR }, // REPNE/REPNZ
1017   /* F3 /dr */ { 0, BX_IA_ERROR }, // REP,REPE/REPZ
1018   /* F4 /dr */ { BxTraceEnd, BX_IA_HLT },
1019   /* F5 /dr */ { 0, BX_IA_CMC },
1020   /* F6 /dr */ { BxGroup3, BX_IA_ERROR, BxOpcodeInfoG3EbR },
1021   /* F7 /dr */ { BxGroup3, BX_IA_ERROR, BxOpcodeInfoG3EdR },
1022   /* F8 /dr */ { 0, BX_IA_CLC },
1023   /* F9 /dr */ { 0, BX_IA_STC },
1024   /* FA /dr */ { 0, BX_IA_CLI },
1025   /* FB /dr */ { 0, BX_IA_STI },
1026   /* FC /dr */ { 0, BX_IA_CLD },
1027   /* FD /dr */ { 0, BX_IA_STD },
1028   /* FE /dr */ { BxGroup5, BX_IA_ERROR, BxOpcodeInfoG4R },
1029   /* FF /dr */ { BxGroup5, BX_IA_ERROR, BxOpcodeInfoG5dR },
1030
1031   /* 0F 00 /dr */ { BxGroup6, BX_IA_ERROR, BxOpcodeInfoG6 },
1032   /* 0F 01 /dr */ { BxGroup7, BX_IA_ERROR, BxOpcodeInfoG7R },
1033   /* 0F 02 /dr */ { 0, BX_IA_LAR_GvEw },
1034   /* 0F 03 /dr */ { 0, BX_IA_LSL_GvEw },
1035   /* 0F 04 /dr */ { 0, BX_IA_ERROR },
1036 #if BX_SUPPORT_X86_64
1037   /* 0F 05 /dr */ { BxTraceEnd, BX_IA_SYSCALL },
1038 #elif BX_CPU_LEVEL == 2
1039   /* 0F 05 /dr */ { BxTraceEnd, BX_IA_LOADALL },
1040 #else
1041   /* 0F 05 /dr */ { 0, BX_IA_ERROR },
1042 #endif
1043   /* 0F 06 /dr */ { 0, BX_IA_CLTS },
1044 #if BX_SUPPORT_X86_64
1045   /* 0F 07 /dr */ { BxTraceEnd, BX_IA_SYSRET },
1046 #else
1047   /* 0F 07 /dr */ { 0, BX_IA_ERROR },
1048 #endif
1049   /* 0F 08 /dr */ { BxTraceEnd, BX_IA_INVD },
1050   /* 0F 09 /dr */ { BxTraceEnd, BX_IA_WBINVD },
1051   /* 0F 0A /dr */ { 0, BX_IA_ERROR },
1052   /* 0F 0B /dr */ { BxTraceEnd, BX_IA_UD2A },
1053   /* 0F 0C /dr */ { 0, BX_IA_ERROR },
1054 #if BX_SUPPORT_X86_64 || BX_SUPPORT_3DNOW
1055   /* 0F 0D /dr */ { 0, BX_IA_NOP },             // 3DNow! PREFETCH on AMD, NOP on Intel
1056 #else
1057   /* 0F 0D /dr */ { 0, BX_IA_ERROR },
1058 #endif
1059   /* 0F 0E /dr */ { 0, BX_IA_FEMMS },           // 3DNow! FEMMS
1060 #if BX_SUPPORT_3DNOW
1061   /* 0F 0F /dr */ { BxImmediate_Ib, BX_IA_ERROR, Bx3DNowOpcodeInfo },
1062 #else
1063   /* 0F 0F /dr */ { 0, BX_IA_ERROR },
1064 #endif
1065   /* 0F 10 /dr */ { BxPrefixSSE, BX_IA_MOVUPS_VpsWps, BxOpcodeGroupSSE_0f10 },
1066   /* 0F 11 /dr */ { BxPrefixSSE, BX_IA_MOVUPS_WpsVps, BxOpcodeGroupSSE_0f11 },
1067   /* 0F 12 /dr */ { BxPrefixSSE, BX_IA_MOVLPS_VpsMq, BxOpcodeGroupSSE_0f12 },
1068   /* 0F 13 /dr */ { 0, BX_IA_ERROR },  // MOVLPS/PD SSE group
1069   /* 0F 14 /dr */ { BxPrefixSSE, BX_IA_UNPCKLPS_VpsWdq, BxOpcodeGroupSSE_0f14 },
1070   /* 0F 15 /dr */ { BxPrefixSSE, BX_IA_UNPCKHPS_VpsWdq, BxOpcodeGroupSSE_0f15 },
1071   /* 0F 16 /dr */ { BxPrefixSSE, BX_IA_MOVHPS_VpsMq, BxOpcodeGroupSSE_0f16 },
1072   /* 0F 17 /dr */ { 0, BX_IA_ERROR },  // MOHLPS/PD SSE group
1073 #if BX_CPU_LEVEL >= 6
1074   /* 0F 18 /dr */ { 0, BX_IA_NOP },    // PREFETCH HINT
1075   /* 0F 19 /dr */ { 0, BX_IA_NOP },    // multi-byte NOP
1076   /* 0F 1A /dr */ { 0, BX_IA_NOP },    // multi-byte NOP
1077   /* 0F 1B /dr */ { 0, BX_IA_NOP },    // multi-byte NOP
1078   /* 0F 1C /dr */ { 0, BX_IA_NOP },    // multi-byte NOP
1079   /* 0F 1D /dr */ { 0, BX_IA_NOP },    // multi-byte NOP
1080   /* 0F 1E /dr */ { 0, BX_IA_NOP },    // multi-byte NOP
1081   /* 0F 1F /dr */ { 0, BX_IA_NOP },    // multi-byte NOP
1082 #else
1083   /* 0F 18 /dr */ { 0, BX_IA_ERROR },
1084   /* 0F 19 /dr */ { 0, BX_IA_ERROR },
1085   /* 0F 1A /dr */ { 0, BX_IA_ERROR },
1086   /* 0F 1B /dr */ { 0, BX_IA_ERROR },
1087   /* 0F 1C /dr */ { 0, BX_IA_ERROR },
1088   /* 0F 1D /dr */ { 0, BX_IA_ERROR },
1089   /* 0F 1E /dr */ { 0, BX_IA_ERROR },
1090   /* 0F 1F /dr */ { 0, BX_IA_ERROR },
1091 #endif
1092   /* 0F 20 /dr */ { 0, BX_IA_MOV_RdCd },
1093   /* 0F 21 /dr */ { 0, BX_IA_MOV_RdDd },
1094   /* 0F 22 /dr */ { BxTraceEnd, BX_IA_MOV_CdRd },
1095   /* 0F 23 /dr */ { BxTraceEnd, BX_IA_MOV_DdRd },
1096   /* 0F 24 /dr */ { BxTraceEnd, BX_IA_MOV_RdTd }, // not implemented
1097   /* 0F 25 /dr */ { 0, BX_IA_ERROR },
1098   /* 0F 26 /dr */ { BxTraceEnd, BX_IA_MOV_TdRd }, // not implemented
1099   /* 0F 27 /dr */ { 0, BX_IA_ERROR },
1100   /* 0F 28 /dr */ { BxPrefixSSE, BX_IA_MOVAPS_VpsWps, BxOpcodeGroupSSE_0f28 },
1101   /* 0F 29 /dr */ { BxPrefixSSE, BX_IA_MOVAPS_WpsVps, BxOpcodeGroupSSE_0f29 },
1102   /* 0F 2A /dr */ { BxPrefixSSE, BX_IA_CVTPI2PS_VpsQq, BxOpcodeGroupSSE_0f2a },
1103   /* 0F 2B /dr */ { 0, BX_IA_ERROR }, // MOVNTPS/PD/SS/SD
1104   /* 0F 2C /dr */ { BxPrefixSSE, BX_IA_CVTTPS2PI_PqWps, BxOpcodeGroupSSE_0f2c },
1105   /* 0F 2D /dr */ { BxPrefixSSE, BX_IA_CVTPS2PI_PqWps, BxOpcodeGroupSSE_0f2d },
1106   /* 0F 2E /dr */ { BxPrefixSSE, BX_IA_UCOMISS_VssWss, BxOpcodeGroupSSE_0f2e },
1107   /* 0F 2F /dr */ { BxPrefixSSE, BX_IA_COMISS_VpsWps, BxOpcodeGroupSSE_0f2f },
1108   /* 0F 30 /dr */ { 0, BX_IA_WRMSR },
1109   /* 0F 31 /dr */ { 0, BX_IA_RDTSC },
1110   /* 0F 32 /dr */ { 0, BX_IA_RDMSR },
1111   /* 0F 33 /dr */ { 0, BX_IA_RDPMC },
1112   /* 0F 34 /dr */ { BxTraceEnd, BX_IA_SYSENTER },
1113   /* 0F 35 /dr */ { BxTraceEnd, BX_IA_SYSEXIT },
1114   /* 0F 36 /dr */ { 0, BX_IA_ERROR },
1115   /* 0F 37 /dr */ { 0, BX_IA_ERROR },
1116 #if (BX_SUPPORT_SSE >= 4) || (BX_SUPPORT_SSE >= 3 && BX_SUPPORT_SSE_EXTENSION > 0)
1117   /* 0F 38 /dr */ { Bx3ByteOp, BX_IA_ERROR, BxOpcode3ByteTable0f38 }, // 3-byte escape
1118 #else
1119   /* 0F 38 /dr */ { 0, BX_IA_ERROR },
1120 #endif
1121   /* 0F 39 /dr */ { 0, BX_IA_ERROR },
1122 #if (BX_SUPPORT_SSE >= 4) || (BX_SUPPORT_SSE >= 3 && BX_SUPPORT_SSE_EXTENSION > 0)
1123   /* 0F 3A /dr */ { Bx3ByteOp, BX_IA_ERROR, BxOpcode3ByteTable0f3a }, // 3-byte escape
1124 #else
1125   /* 0F 3A /dr */ { 0, BX_IA_ERROR },
1126 #endif
1127   /* 0F 3B /dr */ { 0, BX_IA_ERROR },
1128   /* 0F 3C /dr */ { 0, BX_IA_ERROR },
1129   /* 0F 3D /dr */ { 0, BX_IA_ERROR },
1130   /* 0F 3E /dr */ { 0, BX_IA_ERROR },
1131   /* 0F 3F /dr */ { 0, BX_IA_ERROR },
1132   /* 0F 40 /dr */ { 0, BX_IA_CMOVO_GdEdR },
1133   /* 0F 41 /dr */ { 0, BX_IA_CMOVNO_GdEdR },
1134   /* 0F 42 /dr */ { 0, BX_IA_CMOVB_GdEdR },
1135   /* 0F 43 /dr */ { 0, BX_IA_CMOVNB_GdEdR },
1136   /* 0F 44 /dr */ { 0, BX_IA_CMOVZ_GdEdR },
1137   /* 0F 45 /dr */ { 0, BX_IA_CMOVNZ_GdEdR },
1138   /* 0F 46 /dr */ { 0, BX_IA_CMOVBE_GdEdR },
1139   /* 0F 47 /dr */ { 0, BX_IA_CMOVNBE_GdEdR },
1140   /* 0F 48 /dr */ { 0, BX_IA_CMOVS_GdEdR },
1141   /* 0F 49 /dr */ { 0, BX_IA_CMOVNS_GdEdR },
1142   /* 0F 4A /dr */ { 0, BX_IA_CMOVP_GdEdR },
1143   /* 0F 4B /dr */ { 0, BX_IA_CMOVNP_GdEdR },
1144   /* 0F 4C /dr */ { 0, BX_IA_CMOVL_GdEdR },
1145   /* 0F 4D /dr */ { 0, BX_IA_CMOVNL_GdEdR },
1146   /* 0F 4E /dr */ { 0, BX_IA_CMOVLE_GdEdR },
1147   /* 0F 4F /dr */ { 0, BX_IA_CMOVNLE_GdEdR },
1148   /* 0F 50 /dr */ { BxPrefixSSE, BX_IA_MOVMSKPS_GdVRps, BxOpcodeGroupSSE_0f50 },
1149   /* 0F 51 /dr */ { BxPrefixSSE, BX_IA_SQRTPS_VpsWps, BxOpcodeGroupSSE_0f51 },
1150   /* 0F 52 /dr */ { BxPrefixSSE, BX_IA_RSQRTPS_VpsWps, BxOpcodeGroupSSE_0f52 },
1151   /* 0F 53 /dr */ { BxPrefixSSE, BX_IA_RCPPS_VpsWps, BxOpcodeGroupSSE_0f53 },
1152   /* 0F 54 /dr */ { BxPrefixSSE, BX_IA_ANDPS_VpsWps, BxOpcodeGroupSSE_0f54 },
1153   /* 0F 55 /dr */ { BxPrefixSSE, BX_IA_ANDNPS_VpsWps, BxOpcodeGroupSSE_0f55 },
1154   /* 0F 56 /dr */ { BxPrefixSSE, BX_IA_ORPS_VpsWps, BxOpcodeGroupSSE_0f56 },
1155   /* 0F 57 /dr */ { BxPrefixSSE, BX_IA_XORPS_VpsWps, BxOpcodeGroupSSE_0f57 },
1156   /* 0F 58 /dr */ { BxPrefixSSE, BX_IA_ADDPS_VpsWps, BxOpcodeGroupSSE_0f58 },
1157   /* 0F 59 /dr */ { BxPrefixSSE, BX_IA_MULPS_VpsWps, BxOpcodeGroupSSE_0f59 },
1158   /* 0F 5A /dr */ { BxPrefixSSE, BX_IA_CVTPS2PD_VpsWps, BxOpcodeGroupSSE_0f5a },
1159   /* 0F 5B /dr */ { BxPrefixSSE, BX_IA_CVTDQ2PS_VpsWdq, BxOpcodeGroupSSE_0f5b },
1160   /* 0F 5C /dr */ { BxPrefixSSE, BX_IA_SUBPS_VpsWps, BxOpcodeGroupSSE_0f5c },
1161   /* 0F 5D /dr */ { BxPrefixSSE, BX_IA_MINPS_VpsWps, BxOpcodeGroupSSE_0f5d },
1162   /* 0F 5E /dr */ { BxPrefixSSE, BX_IA_DIVPS_VpsWps, BxOpcodeGroupSSE_0f5e },
1163   /* 0F 5F /dr */ { BxPrefixSSE, BX_IA_MAXPS_VpsWps, BxOpcodeGroupSSE_0f5f },
1164   /* 0F 60 /dr */ { BxPrefixSSE, BX_IA_PUNPCKLBW_PqQd, BxOpcodeGroupSSE_0f60 },
1165   /* 0F 61 /dr */ { BxPrefixSSE, BX_IA_PUNPCKLWD_PqQd, BxOpcodeGroupSSE_0f61 },
1166   /* 0F 62 /dr */ { BxPrefixSSE, BX_IA_PUNPCKLDQ_PqQd, BxOpcodeGroupSSE_0f62 },
1167   /* 0F 63 /dr */ { BxPrefixSSE, BX_IA_PACKSSWB_PqQq, BxOpcodeGroupSSE_0f63 },
1168   /* 0F 64 /dr */ { BxPrefixSSE, BX_IA_PCMPGTB_PqQq, BxOpcodeGroupSSE_0f64 },
1169   /* 0F 65 /dr */ { BxPrefixSSE, BX_IA_PCMPGTW_PqQq, BxOpcodeGroupSSE_0f65 },
1170   /* 0F 66 /dr */ { BxPrefixSSE, BX_IA_PCMPGTD_PqQq, BxOpcodeGroupSSE_0f66 },
1171   /* 0F 67 /dr */ { BxPrefixSSE, BX_IA_PACKUSWB_PqQq, BxOpcodeGroupSSE_0f67 },
1172   /* 0F 68 /dr */ { BxPrefixSSE, BX_IA_PUNPCKHBW_PqQq, BxOpcodeGroupSSE_0f68 },
1173   /* 0F 69 /dr */ { BxPrefixSSE, BX_IA_PUNPCKHWD_PqQq, BxOpcodeGroupSSE_0f69 },
1174   /* 0F 6A /dr */ { BxPrefixSSE, BX_IA_PUNPCKHDQ_PqQq, BxOpcodeGroupSSE_0f6a },
1175   /* 0F 6B /dr */ { BxPrefixSSE, BX_IA_PACKSSDW_PqQq, BxOpcodeGroupSSE_0f6b },
1176   /* 0F 6C /dr */ { BxPrefixSSE, BX_IA_ERROR, BxOpcodeGroupSSE_0f6c },
1177   /* 0F 6D /dr */ { BxPrefixSSE, BX_IA_ERROR, BxOpcodeGroupSSE_0f6d },
1178   /* 0F 6E /dr */ { BxPrefixSSE, BX_IA_MOVD_PqEd, BxOpcodeGroupSSE_0f6e },
1179   /* 0F 6F /dr */ { BxPrefixSSE, BX_IA_MOVQ_PqQq, BxOpcodeGroupSSE_0f6f },
1180   /* 0F 70 /dr */ { BxPrefixSSE | BxImmediate_Ib, BX_IA_PSHUFW_PqQqIb, BxOpcodeGroupSSE_0f70 },
1181   /* 0F 71 /dr */ { BxGroup12, BX_IA_ERROR, BxOpcodeInfoG12R },
1182   /* 0F 72 /dr */ { BxGroup13, BX_IA_ERROR, BxOpcodeInfoG13R },
1183   /* 0F 73 /dr */ { BxGroup14, BX_IA_ERROR, BxOpcodeInfoG14R },
1184   /* 0F 74 /dr */ { BxPrefixSSE, BX_IA_PCMPEQB_PqQq, BxOpcodeGroupSSE_0f74 },
1185   /* 0F 75 /dr */ { BxPrefixSSE, BX_IA_PCMPEQW_PqQq, BxOpcodeGroupSSE_0f75 },
1186   /* 0F 76 /dr */ { BxPrefixSSE, BX_IA_PCMPEQD_PqQq, BxOpcodeGroupSSE_0f76 },
1187   /* 0F 77 /dr */ { BxPrefixSSE, BX_IA_EMMS, BxOpcodeGroupSSE_ERR },
1188   /* 0F 78 /dr */ { 0, BX_IA_ERROR },
1189   /* 0F 79 /dr */ { 0, BX_IA_ERROR },
1190   /* 0F 7A /dr */ { 0, BX_IA_ERROR },
1191   /* 0F 7B /dr */ { 0, BX_IA_ERROR },
1192   /* 0F 7C /dr */ { BxPrefixSSE, BX_IA_ERROR, BxOpcodeGroupSSE_0f7c },
1193   /* 0F 7D /dr */ { BxPrefixSSE, BX_IA_ERROR, BxOpcodeGroupSSE_0f7d },
1194   /* 0F 7E /dr */ { BxPrefixSSE, BX_IA_MOVD_EdPd, BxOpcodeGroupSSE_0f7e },
1195   /* 0F 7F /dr */ { BxPrefixSSE, BX_IA_MOVQ_QqPq, BxOpcodeGroupSSE_0f7f },
1196   /* 0F 80 /dr */ { BxImmediate_BrOff32 | BxTraceJCC, BX_IA_JO_Jd },
1197   /* 0F 81 /dr */ { BxImmediate_BrOff32 | BxTraceJCC, BX_IA_JNO_Jd },
1198   /* 0F 82 /dr */ { BxImmediate_BrOff32 | BxTraceJCC, BX_IA_JB_Jd },
1199   /* 0F 83 /dr */ { BxImmediate_BrOff32 | BxTraceJCC, BX_IA_JNB_Jd },
1200   /* 0F 84 /dr */ { BxImmediate_BrOff32 | BxTraceJCC, BX_IA_JZ_Jd },
1201   /* 0F 85 /dr */ { BxImmediate_BrOff32 | BxTraceJCC, BX_IA_JNZ_Jd },
1202   /* 0F 86 /dr */ { BxImmediate_BrOff32 | BxTraceJCC, BX_IA_JBE_Jd },
1203   /* 0F 87 /dr */ { BxImmediate_BrOff32 | BxTraceJCC, BX_IA_JNBE_Jd },
1204   /* 0F 88 /dr */ { BxImmediate_BrOff32 | BxTraceJCC, BX_IA_JS_Jd },
1205   /* 0F 89 /dr */ { BxImmediate_BrOff32 | BxTraceJCC, BX_IA_JNS_Jd },
1206   /* 0F 8A /dr */ { BxImmediate_BrOff32 | BxTraceJCC, BX_IA_JP_Jd },
1207   /* 0F 8B /dr */ { BxImmediate_BrOff32 | BxTraceJCC, BX_IA_JNP_Jd },
1208   /* 0F 8C /dr */ { BxImmediate_BrOff32 | BxTraceJCC, BX_IA_JL_Jd },
1209   /* 0F 8D /dr */ { BxImmediate_BrOff32 | BxTraceJCC, BX_IA_JNL_Jd },
1210   /* 0F 8E /dr */ { BxImmediate_BrOff32 | BxTraceJCC, BX_IA_JLE_Jd },
1211   /* 0F 8F /dr */ { BxImmediate_BrOff32 | BxTraceJCC, BX_IA_JNLE_Jd },
1212   /* 0F 90 /dr */ { 0, BX_IA_SETO_EbR },
1213   /* 0F 91 /dr */ { 0, BX_IA_SETNO_EbR },
1214   /* 0F 92 /dr */ { 0, BX_IA_SETB_EbR },
1215   /* 0F 93 /dr */ { 0, BX_IA_SETNB_EbR },
1216   /* 0F 94 /dr */ { 0, BX_IA_SETZ_EbR },
1217   /* 0F 95 /dr */ { 0, BX_IA_SETNZ_EbR },
1218   /* 0F 96 /dr */ { 0, BX_IA_SETBE_EbR },
1219   /* 0F 97 /dr */ { 0, BX_IA_SETNBE_EbR },
1220   /* 0F 98 /dr */ { 0, BX_IA_SETS_EbR },
1221   /* 0F 99 /dr */ { 0, BX_IA_SETNS_EbR },
1222   /* 0F 9A /dr */ { 0, BX_IA_SETP_EbR },
1223   /* 0F 9B /dr */ { 0, BX_IA_SETNP_EbR },
1224   /* 0F 9C /dr */ { 0, BX_IA_SETL_EbR },
1225   /* 0F 9D /dr */ { 0, BX_IA_SETNL_EbR },
1226   /* 0F 9E /dr */ { 0, BX_IA_SETLE_EbR },
1227   /* 0F 9F /dr */ { 0, BX_IA_SETNLE_EbR },
1228   /* 0F A0 /dr */ { 0, BX_IA_PUSH32_FS },
1229   /* 0F A1 /dr */ { 0, BX_IA_POP32_FS },
1230   /* 0F A2 /dr */ { 0, BX_IA_CPUID },
1231   /* 0F A3 /dr */ { 0, BX_IA_BT_EdGdR },
1232   /* 0F A4 /dr */ { BxImmediate_Ib, BX_IA_SHLD_EdGdR },
1233   /* 0F A5 /dr */ { 0,              BX_IA_SHLD_EdGdR },
1234   /* 0F A6 /dr */ { BxTraceEnd, BX_IA_CMPXCHG_XBTS }, // not implemented
1235   /* 0F A7 /dr */ { BxTraceEnd, BX_IA_CMPXCHG_IBTS }, // not implemented
1236   /* 0F A8 /dr */ { 0, BX_IA_PUSH32_GS },
1237   /* 0F A9 /dr */ { 0, BX_IA_POP32_GS },
1238   /* 0F AA /dr */ { BxTraceEnd, BX_IA_RSM },
1239   /* 0F AB /dr */ { 0, BX_IA_BTS_EdGdR },
1240   /* 0F AC /dr */ { BxImmediate_Ib, BX_IA_SHRD_EdGdR },
1241   /* 0F AD /dr */ { 0,              BX_IA_SHRD_EdGdR },
1242   /* 0F AE /dr */ { BxGroup15, BX_IA_ERROR, BxOpcodeInfoG15R },
1243   /* 0F AF /dr */ { 0, BX_IA_IMUL_GdEdR },
1244   /* 0F B0 /dr */ { 0, BX_IA_CMPXCHG_EbGbR },
1245   /* 0F B1 /dr */ { 0, BX_IA_CMPXCHG_EdGdR },
1246   /* 0F B2 /dr */ { 0, BX_IA_ERROR }, // LSS
1247   /* 0F B3 /dr */ { 0, BX_IA_BTR_EdGdR },
1248   /* 0F B4 /dr */ { 0, BX_IA_ERROR }, // LFS
1249   /* 0F B5 /dr */ { 0, BX_IA_ERROR }, // LGS
1250   /* 0F B6 /dr */ { 0, BX_IA_MOVZX_GdEbR },
1251   /* 0F B7 /dr */ { 0, BX_IA_MOVZX_GdEwR },
1252   /* 0F B8 /dr */ { BxPrefixSSE, BX_IA_ERROR, BxOpcodeGroupSSE_0fb8dR },
1253   /* 0F B9 /dr */ { BxTraceEnd, BX_IA_UD2B },
1254   /* 0F BA /dr */ { BxGroup8, BX_IA_ERROR, BxOpcodeInfoG8EdIbR },
1255   /* 0F BB /dr */ { 0, BX_IA_BTC_EdGdR },
1256   /* 0F BC /dr */ { 0, BX_IA_BSF_GdEdR },
1257   /* 0F BD /dr */ { 0, BX_IA_BSR_GdEdR },
1258   /* 0F BE /dr */ { 0, BX_IA_MOVSX_GdEbR },
1259   /* 0F BF /dr */ { 0, BX_IA_MOVSX_GdEwR },
1260   /* 0F C0 /dr */ { 0, BX_IA_XADD_EbGbR },
1261   /* 0F C1 /dr */ { 0, BX_IA_XADD_EdGdR },
1262   /* 0F C2 /dr */ { BxPrefixSSE | BxImmediate_Ib, BX_IA_CMPPS_VpsWpsIb, BxOpcodeGroupSSE_0fc2 },
1263   /* 0F C3 /dr */ { 0, BX_IA_ERROR }, // MOVNTI SSE group
1264   /* 0F C4 /dr */ { BxPrefixSSE | BxImmediate_Ib, BX_IA_PINSRW_PqEwIb, BxOpcodeGroupSSE_0fc4 },
1265   /* 0F C5 /dr */ { BxPrefixSSE | BxImmediate_Ib, BX_IA_PEXTRW_GdPqIb, BxOpcodeGroupSSE_0fc5R },
1266   /* 0F C6 /dr */ { BxPrefixSSE | BxImmediate_Ib, BX_IA_SHUFPS_VpsWpsIb, BxOpcodeGroupSSE_0fc6 },
1267   /* 0F C7 /dr */ { 0, BX_IA_ERROR }, // CMPXCHG8B G9 group
1268   /* 0F C8 /dr */ { 0, BX_IA_BSWAP_ERX },
1269   /* 0F C9 /dr */ { 0, BX_IA_BSWAP_ERX },
1270   /* 0F CA /dr */ { 0, BX_IA_BSWAP_ERX },
1271   /* 0F CB /dr */ { 0, BX_IA_BSWAP_ERX },
1272   /* 0F CC /dr */ { 0, BX_IA_BSWAP_ERX },
1273   /* 0F CD /dr */ { 0, BX_IA_BSWAP_ERX },
1274   /* 0F CE /dr */ { 0, BX_IA_BSWAP_ERX },
1275   /* 0F CF /dr */ { 0, BX_IA_BSWAP_ERX },
1276   /* 0F D0 /dr */ { BxPrefixSSE, BX_IA_ERROR, BxOpcodeGroupSSE_0fd0 },
1277   /* 0F D1 /dr */ { BxPrefixSSE, BX_IA_PSRLW_PqQq, BxOpcodeGroupSSE_0fd1 },
1278   /* 0F D2 /dr */ { BxPrefixSSE, BX_IA_PSRLD_PqQq, BxOpcodeGroupSSE_0fd2 },
1279   /* 0F D3 /dr */ { BxPrefixSSE, BX_IA_PSRLQ_PqQq, BxOpcodeGroupSSE_0fd3 },
1280   /* 0F D4 /dr */ { BxPrefixSSE, BX_IA_PADDQ_PqQq, BxOpcodeGroupSSE_0fd4 },
1281   /* 0F D5 /dr */ { BxPrefixSSE, BX_IA_PMULLW_PqQq, BxOpcodeGroupSSE_0fd5 },
1282   /* 0F D6 /dr */ { BxPrefixSSE, BX_IA_ERROR, BxOpcodeGroupSSE_0fd6 },
1283   /* 0F D7 /dr */ { BxPrefixSSE, BX_IA_PMOVMSKB_GdPRq, BxOpcodeGroupSSE_0fd7 },
1284   /* 0F D8 /dr */ { BxPrefixSSE, BX_IA_PSUBUSB_PqQq, BxOpcodeGroupSSE_0fd8 },
1285   /* 0F D9 /dr */ { BxPrefixSSE, BX_IA_PSUBUSW_PqQq, BxOpcodeGroupSSE_0fd9 },
1286   /* 0F DA /dr */ { BxPrefixSSE, BX_IA_PMINUB_PqQq, BxOpcodeGroupSSE_0fda },
1287   /* 0F DB /dr */ { BxPrefixSSE, BX_IA_PAND_PqQq, BxOpcodeGroupSSE_0fdb },
1288   /* 0F DC /dr */ { BxPrefixSSE, BX_IA_PADDUSB_PqQq, BxOpcodeGroupSSE_0fdc },
1289   /* 0F DD /dr */ { BxPrefixSSE, BX_IA_PADDUSW_PqQq, BxOpcodeGroupSSE_0fdd },
1290   /* 0F DE /dr */ { BxPrefixSSE, BX_IA_PMAXUB_PqQq, BxOpcodeGroupSSE_0fde },
1291   /* 0F DF /dr */ { BxPrefixSSE, BX_IA_PANDN_PqQq, BxOpcodeGroupSSE_0fdf },
1292   /* 0F E0 /dr */ { BxPrefixSSE, BX_IA_PAVGB_PqQq, BxOpcodeGroupSSE_0fe0 },
1293   /* 0F E1 /dr */ { BxPrefixSSE, BX_IA_PSRAW_PqQq, BxOpcodeGroupSSE_0fe1 },
1294   /* 0F E2 /dr */ { BxPrefixSSE, BX_IA_PSRAD_PqQq, BxOpcodeGroupSSE_0fe2 },
1295   /* 0F E3 /dr */ { BxPrefixSSE, BX_IA_PAVGW_PqQq, BxOpcodeGroupSSE_0fe3 },
1296   /* 0F E4 /dr */ { BxPrefixSSE, BX_IA_PMULHUW_PqQq, BxOpcodeGroupSSE_0fe4 },
1297   /* 0F E5 /dr */ { BxPrefixSSE, BX_IA_PMULHW_PqQq, BxOpcodeGroupSSE_0fe5 },
1298   /* 0F E6 /dr */ { BxPrefixSSE, BX_IA_ERROR, BxOpcodeGroupSSE_0fe6 },
1299   /* 0F E7 /dr */ { 0, BX_IA_ERROR }, // MOVNTQ/MOVNTDQ SSE group
1300   /* 0F E8 /dr */ { BxPrefixSSE, BX_IA_PSUBSB_PqQq, BxOpcodeGroupSSE_0fe8 },
1301   /* 0F E9 /dr */ { BxPrefixSSE, BX_IA_PSUBSW_PqQq, BxOpcodeGroupSSE_0fe9 },
1302   /* 0F EA /dr */ { BxPrefixSSE, BX_IA_PMINSW_PqQq, BxOpcodeGroupSSE_0fea },
1303   /* 0F EB /dr */ { BxPrefixSSE, BX_IA_POR_PqQq, BxOpcodeGroupSSE_0feb },
1304   /* 0F EC /dr */ { BxPrefixSSE, BX_IA_PADDSB_PqQq, BxOpcodeGroupSSE_0fec },
1305   /* 0F ED /dr */ { BxPrefixSSE, BX_IA_PADDSW_PqQq, BxOpcodeGroupSSE_0fed },
1306   /* 0F EE /dr */ { BxPrefixSSE, BX_IA_PMAXSW_PqQq, BxOpcodeGroupSSE_0fee },
1307   /* 0F EF /dr */ { BxPrefixSSE, BX_IA_PXOR_PqQq, BxOpcodeGroupSSE_0fef },
1308   /* 0F F0 /dr */ { 0, BX_IA_ERROR }, // LDDQU SSE group
1309   /* 0F F1 /dr */ { BxPrefixSSE, BX_IA_PSLLW_PqQq, BxOpcodeGroupSSE_0ff1 },
1310   /* 0F F2 /dr */ { BxPrefixSSE, BX_IA_PSLLD_PqQq, BxOpcodeGroupSSE_0ff2 },
1311   /* 0F F3 /dr */ { BxPrefixSSE, BX_IA_PSLLQ_PqQq, BxOpcodeGroupSSE_0ff3 },
1312   /* 0F F4 /dr */ { BxPrefixSSE, BX_IA_PMULUDQ_PqQq, BxOpcodeGroupSSE_0ff4 },
1313   /* 0F F5 /dr */ { BxPrefixSSE, BX_IA_PMADDWD_PqQq, BxOpcodeGroupSSE_0ff5 },
1314   /* 0F F6 /dr */ { BxPrefixSSE, BX_IA_PSADBW_PqQq, BxOpcodeGroupSSE_0ff6 },
1315   /* 0F F7 /dr */ { BxPrefixSSE, BX_IA_MASKMOVQ_PqPRq, BxOpcodeGroupSSE_0ff7R },
1316   /* 0F F8 /dr */ { BxPrefixSSE, BX_IA_PSUBB_PqQq, BxOpcodeGroupSSE_0ff8 },
1317   /* 0F F9 /dr */ { BxPrefixSSE, BX_IA_PSUBW_PqQq, BxOpcodeGroupSSE_0ff9 },
1318   /* 0F FA /dr */ { BxPrefixSSE, BX_IA_PSUBD_PqQq, BxOpcodeGroupSSE_0ffa },
1319   /* 0F FB /dr */ { BxPrefixSSE, BX_IA_PSUBQ_PqQq, BxOpcodeGroupSSE_0ffb },
1320   /* 0F FC /dr */ { BxPrefixSSE, BX_IA_PADDB_PqQq, BxOpcodeGroupSSE_0ffc },
1321   /* 0F FD /dr */ { BxPrefixSSE, BX_IA_PADDW_PqQq, BxOpcodeGroupSSE_0ffd },
1322   /* 0F FE /dr */ { BxPrefixSSE, BX_IA_PADDD_PqQq, BxOpcodeGroupSSE_0ffe },
1323   /* 0F FF /dr */ { 0, BX_IA_ERROR }
1324 };
1325
1326 /* ************************** */
1327 /* 512 entries for 16bit mode */
1328 /* 512 entries for 32bit mode */
1329 /* ************************** */
1330
1331 static const BxOpcodeInfo_t BxOpcodeInfo32M[512*2] = {
1332   // 512 entries for 16bit mode
1333   /* 00 /wm */ { BxLockable, BX_IA_ADD_EbGbM },
1334   /* 01 /wm */ { BxLockable, BX_IA_ADD_EwGwM },
1335   /* 02 /wm */ { 0, BX_IA_ADD_GbEbM },
1336   /* 03 /wm */ { 0, BX_IA_ADD_GwEwM },
1337   /* 04 /wm */ { BxImmediate_Ib, BX_IA_ADD_ALIb },
1338   /* 05 /wm */ { BxImmediate_Iw, BX_IA_ADD_AXIw },
1339   /* 06 /wm */ { 0, BX_IA_PUSH16_ES },
1340   /* 07 /wm */ { 0, BX_IA_POP16_ES },
1341   /* 08 /wm */ { BxLockable, BX_IA_OR_EbGbM },
1342   /* 09 /wm */ { BxLockable, BX_IA_OR_EwGwM },
1343   /* 0A /wm */ { 0, BX_IA_OR_GbEbM },
1344   /* 0B /wm */ { 0, BX_IA_OR_GwEwM },
1345   /* 0C /wm */ { BxImmediate_Ib, BX_IA_OR_ALIb },
1346   /* 0D /wm */ { BxImmediate_Iw, BX_IA_OR_AXIw },
1347   /* 0E /wm */ { 0, BX_IA_PUSH16_CS },
1348   /* 0F /wm */ { 0, BX_IA_ERROR }, // 2-byte escape
1349   /* 10 /wm */ { BxLockable, BX_IA_ADC_EbGbM },
1350   /* 11 /wm */ { BxLockable, BX_IA_ADC_EwGwM },
1351   /* 12 /wm */ { 0, BX_IA_ADC_GbEbM },
1352   /* 13 /wm */ { 0, BX_IA_ADC_GwEwM },
1353   /* 14 /wm */ { BxImmediate_Ib, BX_IA_ADC_ALIb },
1354   /* 15 /wm */ { BxImmediate_Iw, BX_IA_ADC_AXIw },
1355   /* 16 /wm */ { 0, BX_IA_PUSH16_SS },
1356   /* 17 /wm */ { BxTraceEnd, BX_IA_POP16_SS }, // async_event = 1
1357   /* 18 /wm */ { BxLockable, BX_IA_SBB_EbGbM },
1358   /* 19 /wm */ { BxLockable, BX_IA_SBB_EwGwM },
1359   /* 1A /wm */ { 0, BX_IA_SBB_GbEbM },
1360   /* 1B /wm */ { 0, BX_IA_SBB_GwEwM },
1361   /* 1C /wm */ { BxImmediate_Ib, BX_IA_SBB_ALIb },
1362   /* 1D /wm */ { BxImmediate_Iw, BX_IA_SBB_AXIw },
1363   /* 1E /wm */ { 0, BX_IA_PUSH16_DS },
1364   /* 1F /wm */ { 0, BX_IA_POP16_DS },
1365   /* 20 /wm */ { BxLockable, BX_IA_AND_EbGbM },
1366   /* 21 /wm */ { BxLockable, BX_IA_AND_EwGwM },
1367   /* 22 /wm */ { 0, BX_IA_AND_GbEbM },
1368   /* 23 /wm */ { 0, BX_IA_AND_GwEwM },
1369   /* 24 /wm */ { BxImmediate_Ib, BX_IA_AND_ALIb },
1370   /* 25 /wm */ { BxImmediate_Iw, BX_IA_AND_AXIw },
1371   /* 26 /wm */ { 0, BX_IA_ERROR }, // ES:
1372   /* 27 /wm */ { 0, BX_IA_DAA },
1373   /* 28 /wm */ { BxLockable, BX_IA_SUB_EbGbM },
1374   /* 29 /wm */ { BxLockable, BX_IA_SUB_EwGwM },
1375   /* 2A /wm */ { 0, BX_IA_SUB_GbEbM },
1376   /* 2B /wm */ { 0, BX_IA_SUB_GwEwM },
1377   /* 2C /wm */ { BxImmediate_Ib, BX_IA_SUB_ALIb },
1378   /* 2D /wm */ { BxImmediate_Iw, BX_IA_SUB_AXIw },
1379   /* 2E /wm */ { 0, BX_IA_ERROR }, // CS:
1380   /* 2F /wm */ { 0, BX_IA_DAS },
1381   /* 30 /wm */ { BxLockable, BX_IA_XOR_EbGbM },
1382   /* 31 /wm */ { BxLockable, BX_IA_XOR_EwGwM },
1383   /* 32 /wm */ { 0, BX_IA_XOR_GbEbM },
1384   /* 33 /wm */ { 0, BX_IA_XOR_GwEwM },
1385   /* 34 /wm */ { BxImmediate_Ib, BX_IA_XOR_ALIb },
1386   /* 35 /wm */ { BxImmediate_Iw, BX_IA_XOR_AXIw },
1387   /* 36 /wm */ { 0, BX_IA_ERROR }, // SS:
1388   /* 37 /wm */ { 0, BX_IA_AAA },
1389   /* 38 /wm */ { 0, BX_IA_CMP_EbGbM },
1390   /* 39 /wm */ { 0, BX_IA_CMP_EwGwM },
1391   /* 3A /wm */ { 0, BX_IA_CMP_GbEbM },
1392   /* 3B /wm */ { 0, BX_IA_CMP_GwEwM },
1393   /* 3C /wm */ { BxImmediate_Ib, BX_IA_CMP_ALIb },
1394   /* 3D /wm */ { BxImmediate_Iw, BX_IA_CMP_AXIw },
1395   /* 3E /wm */ { 0, BX_IA_ERROR }, // DS:
1396   /* 3F /wm */ { 0, BX_IA_AAS },
1397   /* 40 /wm */ { 0, BX_IA_INC_RX },
1398   /* 41 /wm */ { 0, BX_IA_INC_RX },
1399   /* 42 /wm */ { 0, BX_IA_INC_RX },
1400   /* 43 /wm */ { 0, BX_IA_INC_RX },
1401   /* 44 /wm */ { 0, BX_IA_INC_RX },
1402   /* 45 /wm */ { 0, BX_IA_INC_RX },
1403   /* 46 /wm */ { 0, BX_IA_INC_RX },
1404   /* 47 /wm */ { 0, BX_IA_INC_RX },
1405   /* 48 /wm */ { 0, BX_IA_DEC_RX },
1406   /* 49 /wm */ { 0, BX_IA_DEC_RX },
1407   /* 4A /wm */ { 0, BX_IA_DEC_RX },
1408   /* 4B /wm */ { 0, BX_IA_DEC_RX },
1409   /* 4C /wm */ { 0, BX_IA_DEC_RX },
1410   /* 4D /wm */ { 0, BX_IA_DEC_RX },
1411   /* 4E /wm */ { 0, BX_IA_DEC_RX },
1412   /* 4F /wm */ { 0, BX_IA_DEC_RX },
1413   /* 50 /wm */ { 0, BX_IA_PUSH_RX },
1414   /* 51 /wm */ { 0, BX_IA_PUSH_RX },
1415   /* 52 /wm */ { 0, BX_IA_PUSH_RX },
1416   /* 53 /wm */ { 0, BX_IA_PUSH_RX },
1417   /* 54 /wm */ { 0, BX_IA_PUSH_RX },
1418   /* 55 /wm */ { 0, BX_IA_PUSH_RX },
1419   /* 56 /wm */ { 0, BX_IA_PUSH_RX },
1420   /* 57 /wm */ { 0, BX_IA_PUSH_RX },
1421   /* 58 /wm */ { 0, BX_IA_POP_RX },
1422   /* 59 /wm */ { 0, BX_IA_POP_RX },
1423   /* 5A /wm */ { 0, BX_IA_POP_RX },
1424   /* 5B /wm */ { 0, BX_IA_POP_RX },
1425   /* 5C /wm */ { 0, BX_IA_POP_RX },
1426   /* 5D /wm */ { 0, BX_IA_POP_RX },
1427   /* 5E /wm */ { 0, BX_IA_POP_RX },
1428   /* 5F /wm */ { 0, BX_IA_POP_RX },
1429   /* 60 /wm */ { 0, BX_IA_PUSHAD16 },
1430   /* 61 /wm */ { 0, BX_IA_POPAD16 },
1431   /* 62 /wm */ { 0, BX_IA_BOUND_GwMa },
1432   /* 63 /wm */ { 0, BX_IA_ARPL_EwGw },
1433   /* 64 /wm */ { 0, BX_IA_ERROR }, // FS:
1434   /* 65 /wm */ { 0, BX_IA_ERROR }, // GS:
1435   /* 66 /wm */ { 0, BX_IA_ERROR }, // OS:
1436   /* 67 /wm */ { 0, BX_IA_ERROR }, // AS:
1437   /* 68 /wm */ { BxImmediate_Iw, BX_IA_PUSH_Iw },
1438   /* 69 /wm */ { BxImmediate_Iw, BX_IA_IMUL_GwEwIwM },
1439   /* 6A /wm */ { BxImmediate_Ib_SE, BX_IA_PUSH_Iw },
1440   /* 6B /wm */ { BxImmediate_Ib_SE, BX_IA_IMUL_GwEwIwM },
1441   /* 6C /wm */ { 0, BX_IA_REP_INSB_YbDX },
1442   /* 6D /wm */ { 0, BX_IA_REP_INSW_YwDX },
1443   /* 6E /wm */ { 0, BX_IA_REP_OUTSB_DXXb },
1444   /* 6F /wm */ { 0, BX_IA_REP_OUTSW_DXXw },
1445   /* 70 /wm */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JO_Jw },
1446   /* 71 /wm */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JNO_Jw },
1447   /* 72 /wm */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JB_Jw },
1448   /* 73 /wm */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JNB_Jw },
1449   /* 74 /wm */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JZ_Jw },
1450   /* 75 /wm */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JNZ_Jw },
1451   /* 76 /wm */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JBE_Jw },
1452   /* 77 /wm */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JNBE_Jw },
1453   /* 78 /wm */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JS_Jw },
1454   /* 79 /wm */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JNS_Jw },
1455   /* 7A /wm */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JP_Jw },
1456   /* 7B /wm */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JNP_Jw },
1457   /* 7C /wm */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JL_Jw },
1458   /* 7D /wm */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JNL_Jw },
1459   /* 7E /wm */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JLE_Jw },
1460   /* 7F /wm */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JNLE_Jw },
1461   /* 80 /wm */ { BxGroup1 | BxImmediate_Ib, BX_IA_ERROR, BxOpcodeInfoG1EbIbM },
1462   /* 81 /wm */ { BxGroup1 | BxImmediate_Iw, BX_IA_ERROR, BxOpcodeInfoG1EwM },
1463   /* 82 /wm */ { BxGroup1 | BxImmediate_Ib, BX_IA_ERROR, BxOpcodeInfoG1EbIbM },
1464   /* 83 /wm */ { BxGroup1 | BxImmediate_Ib_SE, BX_IA_ERROR, BxOpcodeInfoG1EwM },
1465   /* 84 /wm */ { 0, BX_IA_TEST_EbGbM },
1466   /* 85 /wm */ { 0, BX_IA_TEST_EwGwM },
1467   /* 86 /wm */ { BxLockable, BX_IA_XCHG_EbGbM },
1468   /* 87 /wm */ { BxLockable, BX_IA_XCHG_EwGwM },
1469   /* 88 /wm */ { 0, BX_IA_MOV_EbGbM },
1470   /* 89 /wm */ { 0, BX_IA_MOV_EwGwM },
1471   /* 8A /wm */ { 0, BX_IA_MOV_GbEbM },
1472   /* 8B /wm */ { 0, BX_IA_MOV_GwEwM },
1473   /* 8C /wm */ { 0, BX_IA_MOV_EwSwM },
1474   /* 8D /wm */ { 0, BX_IA_LEA_GwM },
1475   /* 8E /wm */ { 0, BX_IA_MOV_SwEw },
1476   /* 8F /wm */ { BxGroup1A, BX_IA_ERROR, BxOpcodeInfoG1AEwM },
1477   /* 90 /wm */ { 0, BX_IA_NOP },
1478   /* 91 /wm */ { 0, BX_IA_XCHG_RXAX },
1479   /* 92 /wm */ { 0, BX_IA_XCHG_RXAX },
1480   /* 93 /wm */ { 0, BX_IA_XCHG_RXAX },
1481   /* 94 /wm */ { 0, BX_IA_XCHG_RXAX },
1482   /* 95 /wm */ { 0, BX_IA_XCHG_RXAX },
1483   /* 96 /wm */ { 0, BX_IA_XCHG_RXAX },
1484   /* 97 /wm */ { 0, BX_IA_XCHG_RXAX },
1485   /* 98 /wm */ { 0, BX_IA_CBW },
1486   /* 99 /wm */ { 0, BX_IA_CWD },
1487   /* 9A /wm */ { BxImmediate_IwIw | BxTraceEnd, BX_IA_CALL16_Ap },
1488   /* 9B /wm */ { 0, BX_IA_FWAIT },
1489   /* 9C /wm */ { 0, BX_IA_PUSHF_Fw },
1490   /* 9D /wm */ { 0, BX_IA_POPF_Fw },
1491   /* 9E /wm */ { 0, BX_IA_SAHF },
1492   /* 9F /wm */ { 0, BX_IA_LAHF },
1493   /* A0 /wm */ { BxImmediate_O, BX_IA_MOV_ALOd },
1494   /* A1 /wm */ { BxImmediate_O, BX_IA_MOV_AXOd },
1495   /* A2 /wm */ { BxImmediate_O, BX_IA_MOV_OdAL },
1496   /* A3 /wm */ { BxImmediate_O, BX_IA_MOV_OdAX },
1497   /* A4 /wm */ { 0, BX_IA_REP_MOVSB_XbYb },
1498   /* A5 /wm */ { 0, BX_IA_REP_MOVSW_XwYw },
1499   /* A6 /wm */ { 0, BX_IA_REP_CMPSB_XbYb },
1500   /* A7 /wm */ { 0, BX_IA_REP_CMPSW_XwYw },
1501   /* A8 /wm */ { BxImmediate_Ib, BX_IA_TEST_ALIb },
1502   /* A9 /wm */ { BxImmediate_Iw, BX_IA_TEST_AXIw },
1503   /* AA /wm */ { 0, BX_IA_REP_STOSB_YbAL },
1504   /* AB /wm */ { 0, BX_IA_REP_STOSW_YwAX },
1505   /* AC /wm */ { 0, BX_IA_REP_LODSB_ALXb },
1506   /* AD /wm */ { 0, BX_IA_REP_LODSW_AXXw },
1507   /* AE /wm */ { 0, BX_IA_REP_SCASB_ALXb },
1508   /* AF /wm */ { 0, BX_IA_REP_SCASW_AXXw },
1509   /* B0 /wm */ { BxImmediate_Ib, BX_IA_MOV_RLIb },
1510   /* B1 /wm */ { BxImmediate_Ib, BX_IA_MOV_RLIb },
1511   /* B2 /wm */ { BxImmediate_Ib, BX_IA_MOV_RLIb },
1512   /* B3 /wm */ { BxImmediate_Ib, BX_IA_MOV_RLIb },
1513   /* B4 /wm */ { BxImmediate_Ib, BX_IA_MOV_RHIb },
1514   /* B5 /wm */ { BxImmediate_Ib, BX_IA_MOV_RHIb },
1515   /* B6 /wm */ { BxImmediate_Ib, BX_IA_MOV_RHIb },
1516   /* B7 /wm */ { BxImmediate_Ib, BX_IA_MOV_RHIb },
1517   /* B8 /wm */ { BxImmediate_Iw, BX_IA_MOV_RXIw },
1518   /* B9 /wm */ { BxImmediate_Iw, BX_IA_MOV_RXIw },
1519   /* BA /wm */ { BxImmediate_Iw, BX_IA_MOV_RXIw },
1520   /* BB /wm */ { BxImmediate_Iw, BX_IA_MOV_RXIw },
1521   /* BC /wm */ { BxImmediate_Iw, BX_IA_MOV_RXIw },
1522   /* BD /wm */ { BxImmediate_Iw, BX_IA_MOV_RXIw },
1523   /* BE /wm */ { BxImmediate_Iw, BX_IA_MOV_RXIw },
1524   /* BF /wm */ { BxImmediate_Iw, BX_IA_MOV_RXIw },
1525   /* C0 /wm */ { BxGroup2 | BxImmediate_Ib, BX_IA_ERROR, BxOpcodeInfoG2Eb },
1526   /* C1 /wm */ { BxGroup2 | BxImmediate_Ib, BX_IA_ERROR, BxOpcodeInfoG2Ew },
1527   /* C2 /wm */ { BxImmediate_Iw | BxTraceEnd, BX_IA_RETnear16_Iw },
1528   /* C3 /wm */ { BxTraceEnd,                  BX_IA_RETnear16 },
1529   /* C4 /wm */ { 0, BX_IA_LES_GwMp },
1530   /* C5 /wm */ { 0, BX_IA_LDS_GwMp },
1531   /* C6 /wm */ { BxGroup11, BX_IA_ERROR, BxOpcodeInfoG11EbM },
1532   /* C7 /wm */ { BxGroup11, BX_IA_ERROR, BxOpcodeInfoG11EwM },
1533   /* C8 /wm */ { BxImmediate_IwIb, BX_IA_ENTER16_IwIb },
1534   /* C9 /wm */ { 0, BX_IA_LEAVE16 },
1535   /* CA /wm */ { BxImmediate_Iw | BxTraceEnd, BX_IA_RETfar16_Iw },
1536   /* CB /wm */ { BxTraceEnd,                  BX_IA_RETfar16 },
1537   /* CC /wm */ { BxTraceEnd, BX_IA_INT3 },
1538   /* CD /wm */ { BxImmediate_Ib | BxTraceEnd, BX_IA_INT_Ib },
1539   /* CE /wm */ { BxTraceEnd, BX_IA_INTO },
1540   /* CF /wm */ { BxTraceEnd, BX_IA_IRET16 },
1541   /* D0 /wm */ { BxGroup2 | BxImmediate_I1, BX_IA_ERROR, BxOpcodeInfoG2Eb },
1542   /* D1 /wm */ { BxGroup2 | BxImmediate_I1, BX_IA_ERROR, BxOpcodeInfoG2Ew },
1543   /* D2 /wm */ { BxGroup2, BX_IA_ERROR, BxOpcodeInfoG2Eb },
1544   /* D3 /wm */ { BxGroup2, BX_IA_ERROR, BxOpcodeInfoG2Ew },
1545   /* D4 /wm */ { BxImmediate_Ib, BX_IA_AAM },
1546   /* D5 /wm */ { BxImmediate_Ib, BX_IA_AAD },
1547   /* D6 /wm */ { 0, BX_IA_SALC },
1548   /* D7 /wm */ { 0, BX_IA_XLAT },
1549 #if BX_SUPPORT_FPU
1550   /* D8 /wm */ { BxGroupFP, BX_IA_ERROR, BxOpcodeInfo_FPGroupD8 },
1551   /* D9 /wm */ { BxGroupFP, BX_IA_ERROR, BxOpcodeInfo_FPGroupD9 },
1552   /* DA /wm */ { BxGroupFP, BX_IA_ERROR, BxOpcodeInfo_FPGroupDA },
1553   /* DB /wm */ { BxGroupFP, BX_IA_ERROR, BxOpcodeInfo_FPGroupDB },
1554   /* DC /wm */ { BxGroupFP, BX_IA_ERROR, BxOpcodeInfo_FPGroupDC },
1555   /* DD /wm */ { BxGroupFP, BX_IA_ERROR, BxOpcodeInfo_FPGroupDD },
1556   /* DE /wm */ { BxGroupFP, BX_IA_ERROR, BxOpcodeInfo_FPGroupDE },
1557   /* DF /wm */ { BxGroupFP, BX_IA_ERROR, BxOpcodeInfo_FPGroupDF },
1558 #else
1559   /* D8 /wm */ { 0, BX_IA_FPU_ESC },
1560   /* D9 /wm */ { 0, BX_IA_FPU_ESC },
1561   /* DA /wm */ { 0, BX_IA_FPU_ESC },
1562   /* DB /wm */ { 0, BX_IA_FPU_ESC },
1563   /* DC /wm */ { 0, BX_IA_FPU_ESC },
1564   /* DD /wm */ { 0, BX_IA_FPU_ESC },
1565   /* DE /wm */ { 0, BX_IA_FPU_ESC },
1566   /* DF /wm */ { 0, BX_IA_FPU_ESC },
1567 #endif
1568   /* E0 /wm */ { BxImmediate_BrOff8 | BxTraceEnd, BX_IA_LOOPNE16_Jb },
1569   /* E1 /wm */ { BxImmediate_BrOff8 | BxTraceEnd, BX_IA_LOOPE16_Jb },
1570   /* E2 /wm */ { BxImmediate_BrOff8 | BxTraceEnd, BX_IA_LOOP16_Jb },
1571   /* E3 /wm */ { BxImmediate_BrOff8 | BxTraceEnd, BX_IA_JCXZ_Jb },
1572   /* E4 /wm */ { BxImmediate_Ib, BX_IA_IN_ALIb },
1573   /* E5 /wm */ { BxImmediate_Ib, BX_IA_IN_AXIb },
1574   /* E6 /wm */ { BxImmediate_Ib, BX_IA_OUT_IbAL },
1575   /* E7 /wm */ { BxImmediate_Ib, BX_IA_OUT_IbAX },
1576   /* E8 /wm */ { BxImmediate_BrOff16 | BxTraceEnd, BX_IA_CALL_Jw },
1577   /* E9 /wm */ { BxImmediate_BrOff16 | BxTraceEnd, BX_IA_JMP_Jw },
1578   /* EA /wm */ { BxImmediate_IwIw | BxTraceEnd, BX_IA_JMP_Ap },
1579   /* EB /wm */ { BxImmediate_BrOff8 | BxTraceEnd, BX_IA_JMP_Jw },
1580   /* EC /wm */ { 0, BX_IA_IN_ALDX },
1581   /* ED /wm */ { 0, BX_IA_IN_AXDX },
1582   /* EE /wm */ { 0, BX_IA_OUT_DXAL },
1583   /* EF /wm */ { 0, BX_IA_OUT_DXAX },
1584   /* F0 /wm */ { 0, BX_IA_ERROR }, // LOCK
1585   /* F1 /wm */ { BxTraceEnd, BX_IA_INT1 },
1586   /* F2 /wm */ { 0, BX_IA_ERROR }, // REPNE/REPNZ
1587   /* F3 /wm */ { 0, BX_IA_ERROR }, // REP, REPE/REPZ
1588   /* F4 /wm */ { BxTraceEnd, BX_IA_HLT },
1589   /* F5 /wm */ { 0, BX_IA_CMC },
1590   /* F6 /wm */ { BxGroup3, BX_IA_ERROR, BxOpcodeInfoG3EbM },
1591   /* F7 /wm */ { BxGroup3, BX_IA_ERROR, BxOpcodeInfoG3EwM },
1592   /* F8 /wm */ { 0, BX_IA_CLC },
1593   /* F9 /wm */ { 0, BX_IA_STC },
1594   /* FA /wm */ { 0, BX_IA_CLI },
1595   /* FB /wm */ { 0, BX_IA_STI },
1596   /* FC /wm */ { 0, BX_IA_CLD },
1597   /* FD /wm */ { 0, BX_IA_STD },
1598   /* FE /wm */ { BxGroup4, BX_IA_ERROR, BxOpcodeInfoG4M },
1599   /* FF /wm */ { BxGroup5, BX_IA_ERROR, BxOpcodeInfoG5wM },
1600
1601   /* 0F 00 /wm */ { BxGroup6, BX_IA_ERROR, BxOpcodeInfoG6 },
1602   /* 0F 01 /wm */ { BxGroup7, BX_IA_ERROR, BxOpcodeInfoG7M },
1603   /* 0F 02 /wm */ { 0, BX_IA_LAR_GvEw },
1604   /* 0F 03 /wm */ { 0, BX_IA_LSL_GvEw },
1605   /* 0F 04 /wm */ { 0, BX_IA_ERROR },
1606 #if BX_SUPPORT_X86_64
1607   /* 0F 05 /wm */ { BxTraceEnd, BX_IA_SYSCALL },
1608 #elif BX_CPU_LEVEL == 2
1609   /* 0F 05 /wm */ { BxTraceEnd, BX_IA_LOADALL },
1610 #else
1611   /* 0F 05 /wm */ { 0, BX_IA_ERROR },
1612 #endif
1613   /* 0F 06 /wm */ { 0, BX_IA_CLTS },
1614 #if BX_SUPPORT_X86_64
1615   /* 0F 07 /wm */ { BxTraceEnd, BX_IA_SYSRET },
1616 #else
1617   /* 0F 07 /wm */ { 0, BX_IA_ERROR },
1618 #endif
1619   /* 0F 08 /wm */ { BxTraceEnd, BX_IA_INVD },
1620   /* 0F 09 /wm */ { BxTraceEnd, BX_IA_WBINVD },
1621   /* 0F 0A /wm */ { 0, BX_IA_ERROR },
1622   /* 0F 0B /wm */ { BxTraceEnd, BX_IA_UD2A },
1623   /* 0F 0C /wm */ { 0, BX_IA_ERROR },
1624 #if BX_SUPPORT_X86_64 || BX_SUPPORT_3DNOW
1625   /* 0F 0D /wm */ { 0, BX_IA_NOP },             // 3DNow! PREFETCH on AMD, NOP on Intel
1626 #else
1627   /* 0F 0D /wm */ { 0, BX_IA_ERROR },
1628 #endif
1629   /* 0F 0E /wm */ { 0, BX_IA_FEMMS },           // 3DNow! FEMMS
1630 #if BX_SUPPORT_3DNOW
1631   /* 0F 0F /wm */ { BxImmediate_Ib, BX_IA_ERROR, Bx3DNowOpcodeInfo },
1632 #else
1633   /* 0F 0F /wm */ { 0, BX_IA_ERROR },
1634 #endif
1635   /* 0F 10 /wm */ { BxPrefixSSE, BX_IA_MOVUPS_VpsWps, BxOpcodeGroupSSE_0f10 },
1636   /* 0F 11 /wm */ { BxPrefixSSE, BX_IA_MOVUPS_WpsVps, BxOpcodeGroupSSE_0f11 },
1637   /* 0F 12 /wm */ { BxPrefixSSE, BX_IA_MOVLPS_VpsMq, BxOpcodeGroupSSE_0f12 },
1638   /* 0F 13 /wm */ { BxPrefixSSE, BX_IA_MOVLPS_MqVps, BxOpcodeGroupSSE_0f13M },
1639   /* 0F 14 /wm */ { BxPrefixSSE, BX_IA_UNPCKLPS_VpsWdq, BxOpcodeGroupSSE_0f14 },
1640   /* 0F 15 /wm */ { BxPrefixSSE, BX_IA_UNPCKHPS_VpsWdq, BxOpcodeGroupSSE_0f15 },
1641   /* 0F 16 /wm */ { BxPrefixSSE, BX_IA_MOVHPS_VpsMq, BxOpcodeGroupSSE_0f16 },
1642   /* 0F 17 /wm */ { BxPrefixSSE, BX_IA_MOVHPS_MqVps, BxOpcodeGroupSSE_0f17M },
1643 # if BX_CPU_LEVEL >= 6
1644   /* 0F 18 /wm */ { 0, BX_IA_PREFETCH }, // opcode group G16, PREFETCH hints
1645   /* 0F 19 /wm */ { 0, BX_IA_NOP },      // multi-byte NOP
1646   /* 0F 1A /wm */ { 0, BX_IA_NOP },      // multi-byte NOP
1647   /* 0F 1B /wm */ { 0, BX_IA_NOP },      // multi-byte NOP
1648   /* 0F 1C /wm */ { 0, BX_IA_NOP },      // multi-byte NOP
1649   /* 0F 1D /wm */ { 0, BX_IA_NOP },      // multi-byte NOP
1650   /* 0F 1E /wm */ { 0, BX_IA_NOP },      // multi-byte NOP
1651   /* 0F 1F /wm */ { 0, BX_IA_NOP },      // multi-byte NOP
1652 #else
1653   /* 0F 18 /wm */ { 0, BX_IA_ERROR },
1654   /* 0F 19 /wm */ { 0, BX_IA_ERROR },
1655   /* 0F 1A /wm */ { 0, BX_IA_ERROR },
1656   /* 0F 1B /wm */ { 0, BX_IA_ERROR },
1657   /* 0F 1C /wm */ { 0, BX_IA_ERROR },
1658   /* 0F 1D /wm */ { 0, BX_IA_ERROR },
1659   /* 0F 1E /wm */ { 0, BX_IA_ERROR },
1660   /* 0F 1F /wm */ { 0, BX_IA_ERROR },
1661 #endif
1662   /* 0F 20 /wm */ { 0, BX_IA_MOV_RdCd },
1663   /* 0F 21 /wm */ { 0, BX_IA_MOV_RdDd },
1664   /* 0F 22 /wm */ { BxTraceEnd, BX_IA_MOV_CdRd },
1665   /* 0F 23 /wm */ { BxTraceEnd, BX_IA_MOV_DdRd },
1666   /* 0F 24 /wm */ { BxTraceEnd, BX_IA_MOV_RdTd }, // not implemented
1667   /* 0F 25 /wm */ { 0, BX_IA_ERROR },
1668   /* 0F 26 /wm */ { BxTraceEnd, BX_IA_MOV_TdRd }, // not implemented
1669   /* 0F 27 /wm */ { 0, BX_IA_ERROR },
1670   /* 0F 28 /wm */ { BxPrefixSSE, BX_IA_MOVAPS_VpsWps, BxOpcodeGroupSSE_0f28 },
1671   /* 0F 29 /wm */ { BxPrefixSSE, BX_IA_MOVAPS_WpsVps, BxOpcodeGroupSSE_0f29 },
1672   /* 0F 2A /wm */ { BxPrefixSSE, BX_IA_CVTPI2PS_VpsQq, BxOpcodeGroupSSE_0f2a },
1673   /* 0F 2B /wm */ { BxPrefixSSE, BX_IA_MOVNTPS_MpsVps, BxOpcodeGroupSSE_0f2bM },
1674   /* 0F 2C /wm */ { BxPrefixSSE, BX_IA_CVTTPS2PI_PqWps, BxOpcodeGroupSSE_0f2c },
1675   /* 0F 2D /wm */ { BxPrefixSSE, BX_IA_CVTPS2PI_PqWps, BxOpcodeGroupSSE_0f2d },
1676   /* 0F 2E /wm */ { BxPrefixSSE, BX_IA_UCOMISS_VssWss, BxOpcodeGroupSSE_0f2e },
1677   /* 0F 2F /wm */ { BxPrefixSSE, BX_IA_COMISS_VpsWps, BxOpcodeGroupSSE_0f2f },
1678   /* 0F 30 /wm */ { 0, BX_IA_WRMSR },
1679   /* 0F 31 /wm */ { 0, BX_IA_RDTSC },
1680   /* 0F 32 /wm */ { 0, BX_IA_RDMSR },
1681   /* 0F 33 /wm */ { 0, BX_IA_RDPMC },
1682   /* 0F 34 /wm */ { BxTraceEnd, BX_IA_SYSENTER },
1683   /* 0F 35 /wm */ { BxTraceEnd, BX_IA_SYSEXIT },
1684   /* 0F 36 /wm */ { 0, BX_IA_ERROR },
1685   /* 0F 37 /wm */ { 0, BX_IA_ERROR },
1686 #if (BX_SUPPORT_SSE >= 4) || (BX_SUPPORT_SSE >= 3 && BX_SUPPORT_SSE_EXTENSION > 0)
1687   /* 0F 38 /wm */ { Bx3ByteOp, BX_IA_ERROR, BxOpcode3ByteTable0f38 }, // 3-byte escape
1688 #else
1689   /* 0F 38 /wm */ { 0, BX_IA_ERROR },
1690 #endif
1691   /* 0F 39 /wm */ { 0, BX_IA_ERROR },
1692 #if (BX_SUPPORT_SSE >= 4) || (BX_SUPPORT_SSE >= 3 && BX_SUPPORT_SSE_EXTENSION > 0)
1693   /* 0F 3A /wm */ { Bx3ByteOp, BX_IA_ERROR, BxOpcode3ByteTable0f3a }, // 3-byte escape
1694 #else
1695   /* 0F 3A /wm */ { 0, BX_IA_ERROR },
1696 #endif
1697   /* 0F 3B /wm */ { 0, BX_IA_ERROR },
1698   /* 0F 3C /wm */ { 0, BX_IA_ERROR },
1699   /* 0F 3D /wm */ { 0, BX_IA_ERROR },
1700   /* 0F 3E /wm */ { 0, BX_IA_ERROR },
1701   /* 0F 3F /wm */ { 0, BX_IA_ERROR },
1702   /* 0F 40 /wm */ { 0, BX_IA_CMOVO_GwEwM },
1703   /* 0F 41 /wm */ { 0, BX_IA_CMOVNO_GwEwM },
1704   /* 0F 42 /wm */ { 0, BX_IA_CMOVB_GwEwM },
1705   /* 0F 43 /wm */ { 0, BX_IA_CMOVNB_GwEwM },
1706   /* 0F 44 /wm */ { 0, BX_IA_CMOVZ_GwEwM },
1707   /* 0F 45 /wm */ { 0, BX_IA_CMOVNZ_GwEwM },
1708   /* 0F 46 /wm */ { 0, BX_IA_CMOVBE_GwEwM },
1709   /* 0F 47 /wm */ { 0, BX_IA_CMOVNBE_GwEwM },
1710   /* 0F 48 /wm */ { 0, BX_IA_CMOVS_GwEwM },
1711   /* 0F 49 /wm */ { 0, BX_IA_CMOVNS_GwEwM },
1712   /* 0F 4A /wm */ { 0, BX_IA_CMOVP_GwEwM },
1713   /* 0F 4B /wm */ { 0, BX_IA_CMOVNP_GwEwM },
1714   /* 0F 4C /wm */ { 0, BX_IA_CMOVL_GwEwM },
1715   /* 0F 4D /wm */ { 0, BX_IA_CMOVNL_GwEwM },
1716   /* 0F 4E /wm */ { 0, BX_IA_CMOVLE_GwEwM },
1717   /* 0F 4F /wm */ { 0, BX_IA_CMOVNLE_GwEwM },
1718   /* 0F 50 /wm */ { BxPrefixSSE, BX_IA_MOVMSKPS_GdVRps, BxOpcodeGroupSSE_0f50 },
1719   /* 0F 51 /wm */ { BxPrefixSSE, BX_IA_SQRTPS_VpsWps, BxOpcodeGroupSSE_0f51 },
1720   /* 0F 52 /wm */ { BxPrefixSSE, BX_IA_RSQRTPS_VpsWps, BxOpcodeGroupSSE_0f52 },
1721   /* 0F 53 /wm */ { BxPrefixSSE, BX_IA_RCPPS_VpsWps, BxOpcodeGroupSSE_0f53 },
1722   /* 0F 54 /wm */ { BxPrefixSSE, BX_IA_ANDPS_VpsWps, BxOpcodeGroupSSE_0f54 },
1723   /* 0F 55 /wm */ { BxPrefixSSE, BX_IA_ANDNPS_VpsWps, BxOpcodeGroupSSE_0f55 },
1724   /* 0F 56 /wm */ { BxPrefixSSE, BX_IA_ORPS_VpsWps, BxOpcodeGroupSSE_0f56 },
1725   /* 0F 57 /wm */ { BxPrefixSSE, BX_IA_XORPS_VpsWps, BxOpcodeGroupSSE_0f57 },
1726   /* 0F 58 /wm */ { BxPrefixSSE, BX_IA_ADDPS_VpsWps, BxOpcodeGroupSSE_0f58 },
1727   /* 0F 59 /wm */ { BxPrefixSSE, BX_IA_MULPS_VpsWps, BxOpcodeGroupSSE_0f59 },
1728   /* 0F 5A /wm */ { BxPrefixSSE, BX_IA_CVTPS2PD_VpsWps, BxOpcodeGroupSSE_0f5a },
1729   /* 0F 5B /wm */ { BxPrefixSSE, BX_IA_CVTDQ2PS_VpsWdq, BxOpcodeGroupSSE_0f5b },
1730   /* 0F 5C /wm */ { BxPrefixSSE, BX_IA_SUBPS_VpsWps, BxOpcodeGroupSSE_0f5c },
1731   /* 0F 5D /wm */ { BxPrefixSSE, BX_IA_MINPS_VpsWps, BxOpcodeGroupSSE_0f5d },
1732   /* 0F 5E /wm */ { BxPrefixSSE, BX_IA_DIVPS_VpsWps, BxOpcodeGroupSSE_0f5e },
1733   /* 0F 5F /wm */ { BxPrefixSSE, BX_IA_MAXPS_VpsWps, BxOpcodeGroupSSE_0f5f },
1734   /* 0F 60 /wm */ { BxPrefixSSE, BX_IA_PUNPCKLBW_PqQd, BxOpcodeGroupSSE_0f60 },
1735   /* 0F 61 /wm */ { BxPrefixSSE, BX_IA_PUNPCKLWD_PqQd, BxOpcodeGroupSSE_0f61 },
1736   /* 0F 62 /wm */ { BxPrefixSSE, BX_IA_PUNPCKLDQ_PqQd, BxOpcodeGroupSSE_0f62 },
1737   /* 0F 63 /wm */ { BxPrefixSSE, BX_IA_PACKSSWB_PqQq, BxOpcodeGroupSSE_0f63 },
1738   /* 0F 64 /wm */ { BxPrefixSSE, BX_IA_PCMPGTB_PqQq, BxOpcodeGroupSSE_0f64 },
1739   /* 0F 65 /wm */ { BxPrefixSSE, BX_IA_PCMPGTW_PqQq, BxOpcodeGroupSSE_0f65 },
1740   /* 0F 66 /wm */ { BxPrefixSSE, BX_IA_PCMPGTD_PqQq, BxOpcodeGroupSSE_0f66 },
1741   /* 0F 67 /wm */ { BxPrefixSSE, BX_IA_PACKUSWB_PqQq, BxOpcodeGroupSSE_0f67 },
1742   /* 0F 68 /wm */ { BxPrefixSSE, BX_IA_PUNPCKHBW_PqQq, BxOpcodeGroupSSE_0f68 },
1743   /* 0F 69 /wm */ { BxPrefixSSE, BX_IA_PUNPCKHWD_PqQq, BxOpcodeGroupSSE_0f69 },
1744   /* 0F 6A /wm */ { BxPrefixSSE, BX_IA_PUNPCKHDQ_PqQq, BxOpcodeGroupSSE_0f6a },
1745   /* 0F 6B /wm */ { BxPrefixSSE, BX_IA_PACKSSDW_PqQq, BxOpcodeGroupSSE_0f6b },
1746   /* 0F 6C /wm */ { BxPrefixSSE, BX_IA_ERROR, BxOpcodeGroupSSE_0f6c },
1747   /* 0F 6D /wm */ { BxPrefixSSE, BX_IA_ERROR, BxOpcodeGroupSSE_0f6d },
1748   /* 0F 6E /wm */ { BxPrefixSSE, BX_IA_MOVD_PqEd, BxOpcodeGroupSSE_0f6e },
1749   /* 0F 6F /wm */ { BxPrefixSSE, BX_IA_MOVQ_PqQq, BxOpcodeGroupSSE_0f6f },
1750   /* 0F 70 /wm */ { BxPrefixSSE | BxImmediate_Ib, BX_IA_PSHUFW_PqQqIb, BxOpcodeGroupSSE_0f70 },
1751   /* 0F 71 /wm */ { 0, BX_IA_ERROR }, // SSE Group G12
1752   /* 0F 72 /wm */ { 0, BX_IA_ERROR }, // SSE Group G13
1753   /* 0F 73 /wm */ { 0, BX_IA_ERROR }, // SSE Group G14
1754   /* 0F 74 /wm */ { BxPrefixSSE, BX_IA_PCMPEQB_PqQq, BxOpcodeGroupSSE_0f74 },
1755   /* 0F 75 /wm */ { BxPrefixSSE, BX_IA_PCMPEQW_PqQq, BxOpcodeGroupSSE_0f75 },
1756   /* 0F 76 /wm */ { BxPrefixSSE, BX_IA_PCMPEQD_PqQq, BxOpcodeGroupSSE_0f76 },
1757   /* 0F 77 /wm */ { BxPrefixSSE, BX_IA_EMMS, BxOpcodeGroupSSE_ERR },
1758   /* 0F 78 /wm */ { 0, BX_IA_ERROR },
1759   /* 0F 79 /wm */ { 0, BX_IA_ERROR },
1760   /* 0F 7A /wm */ { 0, BX_IA_ERROR },
1761   /* 0F 7B /wm */ { 0, BX_IA_ERROR },
1762   /* 0F 7C /wm */ { BxPrefixSSE, BX_IA_ERROR, BxOpcodeGroupSSE_0f7c },
1763   /* 0F 7D /wm */ { BxPrefixSSE, BX_IA_ERROR, BxOpcodeGroupSSE_0f7d },
1764   /* 0F 7E /wm */ { BxPrefixSSE, BX_IA_MOVD_EdPd, BxOpcodeGroupSSE_0f7e },
1765   /* 0F 7F /wm */ { BxPrefixSSE, BX_IA_MOVQ_QqPq, BxOpcodeGroupSSE_0f7f },
1766   /* 0F 80 /wm */ { BxImmediate_BrOff16 | BxTraceJCC, BX_IA_JO_Jw },
1767   /* 0F 81 /wm */ { BxImmediate_BrOff16 | BxTraceJCC, BX_IA_JNO_Jw },
1768   /* 0F 82 /wm */ { BxImmediate_BrOff16 | BxTraceJCC, BX_IA_JB_Jw },
1769   /* 0F 83 /wm */ { BxImmediate_BrOff16 | BxTraceJCC, BX_IA_JNB_Jw },
1770   /* 0F 84 /wm */ { BxImmediate_BrOff16 | BxTraceJCC, BX_IA_JZ_Jw },
1771   /* 0F 85 /wm */ { BxImmediate_BrOff16 | BxTraceJCC, BX_IA_JNZ_Jw },
1772   /* 0F 86 /wm */ { BxImmediate_BrOff16 | BxTraceJCC, BX_IA_JBE_Jw },
1773   /* 0F 87 /wm */ { BxImmediate_BrOff16 | BxTraceJCC, BX_IA_JNBE_Jw },
1774   /* 0F 88 /wm */ { BxImmediate_BrOff16 | BxTraceJCC, BX_IA_JS_Jw },
1775   /* 0F 89 /wm */ { BxImmediate_BrOff16 | BxTraceJCC, BX_IA_JNS_Jw },
1776   /* 0F 8A /wm */ { BxImmediate_BrOff16 | BxTraceJCC, BX_IA_JP_Jw },
1777   /* 0F 8B /wm */ { BxImmediate_BrOff16 | BxTraceJCC, BX_IA_JNP_Jw },
1778   /* 0F 8C /wm */ { BxImmediate_BrOff16 | BxTraceJCC, BX_IA_JL_Jw },
1779   /* 0F 8D /wm */ { BxImmediate_BrOff16 | BxTraceJCC, BX_IA_JNL_Jw },
1780   /* 0F 8E /wm */ { BxImmediate_BrOff16 | BxTraceJCC, BX_IA_JLE_Jw },
1781   /* 0F 8F /wm */ { BxImmediate_BrOff16 | BxTraceJCC, BX_IA_JNLE_Jw },
1782   /* 0F 90 /wm */ { 0, BX_IA_SETO_EbM },
1783   /* 0F 91 /wm */ { 0, BX_IA_SETNO_EbM },
1784   /* 0F 92 /wm */ { 0, BX_IA_SETB_EbM },
1785   /* 0F 93 /wm */ { 0, BX_IA_SETNB_EbM },
1786   /* 0F 94 /wm */ { 0, BX_IA_SETZ_EbM },
1787   /* 0F 95 /wm */ { 0, BX_IA_SETNZ_EbM },
1788   /* 0F 96 /wm */ { 0, BX_IA_SETBE_EbM },
1789   /* 0F 97 /wm */ { 0, BX_IA_SETNBE_EbM },
1790   /* 0F 98 /wm */ { 0, BX_IA_SETS_EbM },
1791   /* 0F 99 /wm */ { 0, BX_IA_SETNS_EbM },
1792   /* 0F 9A /wm */ { 0, BX_IA_SETP_EbM },
1793   /* 0F 9B /wm */ { 0, BX_IA_SETNP_EbM },
1794   /* 0F 9C /wm */ { 0, BX_IA_SETL_EbM },
1795   /* 0F 9D /wm */ { 0, BX_IA_SETNL_EbM },
1796   /* 0F 9E /wm */ { 0, BX_IA_SETLE_EbM },
1797   /* 0F 9F /wm */ { 0, BX_IA_SETNLE_EbM },
1798   /* 0F A0 /wm */ { 0, BX_IA_PUSH16_FS },
1799   /* 0F A1 /wm */ { 0, BX_IA_POP16_FS },
1800   /* 0F A2 /wm */ { 0, BX_IA_CPUID },
1801   /* 0F A3 /wm */ { 0, BX_IA_BT_EwGwM },
1802   /* 0F A4 /wm */ { BxImmediate_Ib, BX_IA_SHLD_EwGwM },
1803   /* 0F A5 /wm */ { 0,              BX_IA_SHLD_EwGwM },
1804   /* 0F A6 /wm */ { BxTraceEnd, BX_IA_CMPXCHG_XBTS }, // not implemented
1805   /* 0F A7 /wm */ { BxTraceEnd, BX_IA_CMPXCHG_IBTS }, // not implemented
1806   /* 0F A8 /wm */ { 0, BX_IA_PUSH16_GS },
1807   /* 0F A9 /wm */ { 0, BX_IA_POP16_GS },
1808   /* 0F AA /wm */ { BxTraceEnd, BX_IA_RSM },
1809   /* 0F AB /wm */ { BxLockable, BX_IA_BTS_EwGwM },
1810   /* 0F AC /wm */ { BxImmediate_Ib, BX_IA_SHRD_EwGwM },
1811   /* 0F AD /wm */ { 0,              BX_IA_SHRD_EwGwM },
1812   /* 0F AE /wm */ { BxGroup15, BX_IA_ERROR, BxOpcodeInfoG15M },
1813   /* 0F AF /wm */ { 0, BX_IA_IMUL_GwEwM },
1814   /* 0F B0 /wm */ { BxLockable, BX_IA_CMPXCHG_EbGbM },
1815   /* 0F B1 /wm */ { BxLockable, BX_IA_CMPXCHG_EwGwM },
1816   /* 0F B2 /wm */ { 0, BX_IA_LSS_GwMp },
1817   /* 0F B3 /wm */ { BxLockable, BX_IA_BTR_EwGwM },
1818   /* 0F B4 /wm */ { 0, BX_IA_LFS_GwMp },
1819   /* 0F B5 /wm */ { 0, BX_IA_LGS_GwMp },
1820   /* 0F B6 /wm */ { 0, BX_IA_MOVZX_GwEbM },
1821   /* 0F B7 /wm */ { 0, BX_IA_MOV_GwEwM }, // MOVZX_GwEw
1822   /* 0F B8 /wm */ { BxPrefixSSE, BX_IA_ERROR, BxOpcodeGroupSSE_0fb8wM },
1823   /* 0F B9 /wm */ { BxTraceEnd, BX_IA_UD2B },
1824   /* 0F BA /wm */ { BxGroup8, BX_IA_ERROR, BxOpcodeInfoG8EwIbM },
1825   /* 0F BB /wm */ { BxLockable, BX_IA_BTC_EwGwM },
1826   /* 0F BC /wm */ { 0, BX_IA_BSF_GwEwM },
1827   /* 0F BD /wm */ { 0, BX_IA_BSR_GwEwM },
1828   /* 0F BE /wm */ { 0, BX_IA_MOVSX_GwEbM },
1829   /* 0F BF /wm */ { 0, BX_IA_MOV_GwEwM }, // MOVSX_GwEw
1830   /* 0F C0 /wm */ { BxLockable, BX_IA_XADD_EbGbM },
1831   /* 0F C1 /wm */ { BxLockable, BX_IA_XADD_EwGwM },
1832   /* 0F C2 /wm */ { BxPrefixSSE | BxImmediate_Ib, BX_IA_CMPPS_VpsWpsIb, BxOpcodeGroupSSE_0fc2 },
1833   /* 0F C3 /wm */ { BxPrefixSSE, BX_IA_MOVNTI_MdGd, BxOpcodeGroupSSE_ERR },
1834   /* 0F C4 /wm */ { BxPrefixSSE | BxImmediate_Ib, BX_IA_PINSRW_PqEwIb, BxOpcodeGroupSSE_0fc4 },
1835   /* 0F C5 /wm */ { 0, BX_IA_ERROR }, // PEXTRW SSE group
1836   /* 0F C6 /wm */ { BxPrefixSSE | BxImmediate_Ib, BX_IA_SHUFPS_VpsWpsIb, BxOpcodeGroupSSE_0fc6 },
1837   /* 0F C7 /wm */ { BxGroup9, BX_IA_ERROR, BxOpcodeInfoG9M },
1838   /* 0F C8 /wm */ { 0, BX_IA_BSWAP_ERX },
1839   /* 0F C9 /wm */ { 0, BX_IA_BSWAP_ERX },
1840   /* 0F CA /wm */ { 0, BX_IA_BSWAP_ERX },
1841   /* 0F CB /wm */ { 0, BX_IA_BSWAP_ERX },
1842   /* 0F CC /wm */ { 0, BX_IA_BSWAP_ERX },
1843   /* 0F CD /wm */ { 0, BX_IA_BSWAP_ERX },
1844   /* 0F CE /wm */ { 0, BX_IA_BSWAP_ERX },
1845   /* 0F CF /wm */ { 0, BX_IA_BSWAP_ERX },
1846   /* 0F D0 /wm */ { BxPrefixSSE, BX_IA_ERROR, BxOpcodeGroupSSE_0fd0 },
1847   /* 0F D1 /wm */ { BxPrefixSSE, BX_IA_PSRLW_PqQq, BxOpcodeGroupSSE_0fd1 },
1848   /* 0F D2 /wm */ { BxPrefixSSE, BX_IA_PSRLD_PqQq, BxOpcodeGroupSSE_0fd2 },
1849   /* 0F D3 /wm */ { BxPrefixSSE, BX_IA_PSRLQ_PqQq, BxOpcodeGroupSSE_0fd3 },
1850   /* 0F D4 /wm */ { BxPrefixSSE, BX_IA_PADDQ_PqQq, BxOpcodeGroupSSE_0fd4 },
1851   /* 0F D5 /wm */ { BxPrefixSSE, BX_IA_PMULLW_PqQq, BxOpcodeGroupSSE_0fd5 },
1852   /* 0F D6 /wm */ { BxPrefixSSE, BX_IA_ERROR, BxOpcodeGroupSSE_0fd6 },
1853   /* 0F D7 /wm */ { BxPrefixSSE, BX_IA_PMOVMSKB_GdPRq, BxOpcodeGroupSSE_0fd7 },
1854   /* 0F D8 /wm */ { BxPrefixSSE, BX_IA_PSUBUSB_PqQq, BxOpcodeGroupSSE_0fd8 },
1855   /* 0F D9 /wm */ { BxPrefixSSE, BX_IA_PSUBUSW_PqQq, BxOpcodeGroupSSE_0fd9 },
1856   /* 0F DA /wm */ { BxPrefixSSE, BX_IA_PMINUB_PqQq, BxOpcodeGroupSSE_0fda },
1857   /* 0F DB /wm */ { BxPrefixSSE, BX_IA_PAND_PqQq, BxOpcodeGroupSSE_0fdb },
1858   /* 0F DC /wm */ { BxPrefixSSE, BX_IA_PADDUSB_PqQq, BxOpcodeGroupSSE_0fdc },
1859   /* 0F DD /wm */ { BxPrefixSSE, BX_IA_PADDUSW_PqQq, BxOpcodeGroupSSE_0fdd },
1860   /* 0F DE /wm */ { BxPrefixSSE, BX_IA_PMAXUB_PqQq, BxOpcodeGroupSSE_0fde },
1861   /* 0F DF /wm */ { BxPrefixSSE, BX_IA_PANDN_PqQq, BxOpcodeGroupSSE_0fdf },
1862   /* 0F E0 /wm */ { BxPrefixSSE, BX_IA_PAVGB_PqQq, BxOpcodeGroupSSE_0fe0 },
1863   /* 0F E1 /wm */ { BxPrefixSSE, BX_IA_PSRAW_PqQq, BxOpcodeGroupSSE_0fe1 },
1864   /* 0F E2 /wm */ { BxPrefixSSE, BX_IA_PSRAD_PqQq, BxOpcodeGroupSSE_0fe2 },
1865   /* 0F E3 /wm */ { BxPrefixSSE, BX_IA_PAVGW_PqQq, BxOpcodeGroupSSE_0fe3 },
1866   /* 0F E4 /wm */ { BxPrefixSSE, BX_IA_PMULHUW_PqQq, BxOpcodeGroupSSE_0fe4 },
1867   /* 0F E5 /wm */ { BxPrefixSSE, BX_IA_PMULHW_PqQq, BxOpcodeGroupSSE_0fe5 },
1868   /* 0F E6 /wm */ { BxPrefixSSE, BX_IA_ERROR, BxOpcodeGroupSSE_0fe6 },
1869   /* 0F E7 /wm */ { BxPrefixSSE, BX_IA_MOVNTQ_MqPq, BxOpcodeGroupSSE_0fe7M },
1870   /* 0F E8 /wm */ { BxPrefixSSE, BX_IA_PSUBSB_PqQq, BxOpcodeGroupSSE_0fe8 },
1871   /* 0F E9 /wm */ { BxPrefixSSE, BX_IA_PSUBSW_PqQq, BxOpcodeGroupSSE_0fe9 },
1872   /* 0F EA /wm */ { BxPrefixSSE, BX_IA_PMINSW_PqQq, BxOpcodeGroupSSE_0fea },
1873   /* 0F EB /wm */ { BxPrefixSSE, BX_IA_POR_PqQq, BxOpcodeGroupSSE_0feb },
1874   /* 0F EC /wm */ { BxPrefixSSE, BX_IA_PADDSB_PqQq, BxOpcodeGroupSSE_0fec },
1875   /* 0F ED /wm */ { BxPrefixSSE, BX_IA_PADDSW_PqQq, BxOpcodeGroupSSE_0fed },
1876   /* 0F EE /wm */ { BxPrefixSSE, BX_IA_PMAXSW_PqQq, BxOpcodeGroupSSE_0fee },
1877   /* 0F EF /wm */ { BxPrefixSSE, BX_IA_PXOR_PqQq, BxOpcodeGroupSSE_0fef },
1878   /* 0F F0 /wm */ { BxPrefixSSE, BX_IA_ERROR, BxOpcodeGroupSSE_0ff0M },
1879   /* 0F F1 /wm */ { BxPrefixSSE, BX_IA_PSLLW_PqQq, BxOpcodeGroupSSE_0ff1 },
1880   /* 0F F2 /wm */ { BxPrefixSSE, BX_IA_PSLLD_PqQq, BxOpcodeGroupSSE_0ff2 },
1881   /* 0F F3 /wm */ { BxPrefixSSE, BX_IA_PSLLQ_PqQq, BxOpcodeGroupSSE_0ff3 },
1882   /* 0F F4 /wm */ { BxPrefixSSE, BX_IA_PMULUDQ_PqQq, BxOpcodeGroupSSE_0ff4 },
1883   /* 0F F5 /wm */ { BxPrefixSSE, BX_IA_PMADDWD_PqQq, BxOpcodeGroupSSE_0ff5 },
1884   /* 0F F6 /wm */ { BxPrefixSSE, BX_IA_PSADBW_PqQq, BxOpcodeGroupSSE_0ff6 },
1885   /* 0F F7 /wm */ { 0, BX_IA_ERROR }, // MASKMOV SSE group
1886   /* 0F F8 /wm */ { BxPrefixSSE, BX_IA_PSUBB_PqQq, BxOpcodeGroupSSE_0ff8 },
1887   /* 0F F9 /wm */ { BxPrefixSSE, BX_IA_PSUBW_PqQq, BxOpcodeGroupSSE_0ff9 },
1888   /* 0F FA /wm */ { BxPrefixSSE, BX_IA_PSUBD_PqQq, BxOpcodeGroupSSE_0ffa },
1889   /* 0F FB /wm */ { BxPrefixSSE, BX_IA_PSUBQ_PqQq, BxOpcodeGroupSSE_0ffb },
1890   /* 0F FC /wm */ { BxPrefixSSE, BX_IA_PADDB_PqQq, BxOpcodeGroupSSE_0ffc },
1891   /* 0F FD /wm */ { BxPrefixSSE, BX_IA_PADDW_PqQq, BxOpcodeGroupSSE_0ffd },
1892   /* 0F FE /wm */ { BxPrefixSSE, BX_IA_PADDD_PqQq, BxOpcodeGroupSSE_0ffe },
1893   /* 0F FF /wm */ { 0, BX_IA_ERROR },
1894
1895   // 512 entries for 32bit mode
1896   /* 00 /dm */ { BxLockable, BX_IA_ADD_EbGbM },
1897   /* 01 /dm */ { BxLockable, BX_IA_ADD_EdGdM },
1898   /* 02 /dm */ { 0, BX_IA_ADD_GbEbM },
1899   /* 03 /dm */ { 0, BX_IA_ADD_GdEdM },
1900   /* 04 /dm */ { BxImmediate_Ib, BX_IA_ADD_ALIb },
1901   /* 05 /dm */ { BxImmediate_Id, BX_IA_ADD_EAXId },
1902   /* 06 /dm */ { 0, BX_IA_PUSH32_ES },
1903   /* 07 /dm */ { 0, BX_IA_POP32_ES },
1904   /* 08 /dm */ { BxLockable, BX_IA_OR_EbGbM },
1905   /* 09 /dm */ { BxLockable, BX_IA_OR_EdGdM },
1906   /* 0A /dm */ { 0, BX_IA_OR_GbEbM },
1907   /* 0B /dm */ { 0, BX_IA_OR_GdEdM },
1908   /* 0C /dm */ { BxImmediate_Ib, BX_IA_OR_ALIb },
1909   /* 0D /dm */ { BxImmediate_Id, BX_IA_OR_EAXId },
1910   /* 0E /dm */ { 0, BX_IA_PUSH32_CS },
1911   /* 0F /dm */ { 0, BX_IA_ERROR }, // 2-byte escape
1912   /* 10 /dm */ { BxLockable, BX_IA_ADC_EbGbM },
1913   /* 11 /dm */ { BxLockable, BX_IA_ADC_EdGdM },
1914   /* 12 /dm */ { 0, BX_IA_ADC_GbEbM },
1915   /* 13 /dm */ { 0, BX_IA_ADC_GdEdM },
1916   /* 14 /dm */ { BxImmediate_Ib, BX_IA_ADC_ALIb },
1917   /* 15 /dm */ { BxImmediate_Id, BX_IA_ADC_EAXId },
1918   /* 16 /dm */ { 0, BX_IA_PUSH32_SS },
1919   /* 17 /dm */ { BxTraceEnd, BX_IA_POP32_SS }, // async_event = 1
1920   /* 18 /dm */ { BxLockable, BX_IA_SBB_EbGbM },
1921   /* 19 /dm */ { BxLockable, BX_IA_SBB_EdGdM },
1922   /* 1A /dm */ { 0, BX_IA_SBB_GbEbM },
1923   /* 1B /dm */ { 0, BX_IA_SBB_GdEdM },
1924   /* 1C /dm */ { BxImmediate_Ib, BX_IA_SBB_ALIb },
1925   /* 1D /dm */ { BxImmediate_Id, BX_IA_SBB_EAXId },
1926   /* 1E /dm */ { 0, BX_IA_PUSH32_DS },
1927   /* 1F /dm */ { 0, BX_IA_POP32_DS },
1928   /* 20 /dm */ { BxLockable, BX_IA_AND_EbGbM },
1929   /* 21 /dm */ { BxLockable, BX_IA_AND_EdGdM },
1930   /* 22 /dm */ { 0, BX_IA_AND_GbEbM },
1931   /* 23 /dm */ { 0, BX_IA_AND_GdEdM },
1932   /* 24 /dm */ { BxImmediate_Ib, BX_IA_AND_ALIb },
1933   /* 25 /dm */ { BxImmediate_Id, BX_IA_AND_EAXId },
1934   /* 26 /dm */ { 0, BX_IA_ERROR }, // ES:
1935   /* 27 /dm */ { 0, BX_IA_DAA },
1936   /* 28 /dm */ { BxLockable, BX_IA_SUB_EbGbM },
1937   /* 29 /dm */ { BxLockable, BX_IA_SUB_EdGdM },
1938   /* 2A /dm */ { 0, BX_IA_SUB_GbEbM },
1939   /* 2B /dm */ { 0, BX_IA_SUB_GdEdM },
1940   /* 2C /dm */ { BxImmediate_Ib, BX_IA_SUB_ALIb },
1941   /* 2D /dm */ { BxImmediate_Id, BX_IA_SUB_EAXId },
1942   /* 2E /dm */ { 0, BX_IA_ERROR }, // CS:
1943   /* 2F /dm */ { 0, BX_IA_DAS },
1944   /* 30 /dm */ { BxLockable, BX_IA_XOR_EbGbM },
1945   /* 31 /dm */ { BxLockable, BX_IA_XOR_EdGdM },
1946   /* 32 /dm */ { 0, BX_IA_XOR_GbEbM },
1947   /* 33 /dm */ { 0, BX_IA_XOR_GdEdM },
1948   /* 34 /dm */ { BxImmediate_Ib, BX_IA_XOR_ALIb },
1949   /* 35 /dm */ { BxImmediate_Id, BX_IA_XOR_EAXId },
1950   /* 36 /dm */ { 0, BX_IA_ERROR }, // SS:
1951   /* 37 /dm */ { 0, BX_IA_AAA },
1952   /* 38 /dm */ { 0, BX_IA_CMP_EbGbM },
1953   /* 39 /dm */ { 0, BX_IA_CMP_EdGdM },
1954   /* 3A /dm */ { 0, BX_IA_CMP_GbEbM },
1955   /* 3B /dm */ { 0, BX_IA_CMP_GdEdM },
1956   /* 3C /dm */ { BxImmediate_Ib, BX_IA_CMP_ALIb },
1957   /* 3D /dm */ { BxImmediate_Id, BX_IA_CMP_EAXId },
1958   /* 3E /dm */ { 0, BX_IA_ERROR }, // DS:
1959   /* 3F /dm */ { 0, BX_IA_AAS },
1960   /* 40 /dm */ { 0, BX_IA_INC_ERX },
1961   /* 41 /dm */ { 0, BX_IA_INC_ERX },
1962   /* 42 /dm */ { 0, BX_IA_INC_ERX },
1963   /* 43 /dm */ { 0, BX_IA_INC_ERX },
1964   /* 44 /dm */ { 0, BX_IA_INC_ERX },
1965   /* 45 /dm */ { 0, BX_IA_INC_ERX },
1966   /* 46 /dm */ { 0, BX_IA_INC_ERX },
1967   /* 47 /dm */ { 0, BX_IA_INC_ERX },
1968   /* 48 /dm */ { 0, BX_IA_DEC_ERX },
1969   /* 49 /dm */ { 0, BX_IA_DEC_ERX },
1970   /* 4A /dm */ { 0, BX_IA_DEC_ERX },
1971   /* 4B /dm */ { 0, BX_IA_DEC_ERX },
1972   /* 4C /dm */ { 0, BX_IA_DEC_ERX },
1973   /* 4D /dm */ { 0, BX_IA_DEC_ERX },
1974   /* 4E /dm */ { 0, BX_IA_DEC_ERX },
1975   /* 4F /dm */ { 0, BX_IA_DEC_ERX },
1976   /* 50 /dm */ { 0, BX_IA_PUSH_ERX },
1977   /* 51 /dm */ { 0, BX_IA_PUSH_ERX },
1978   /* 52 /dm */ { 0, BX_IA_PUSH_ERX },
1979   /* 53 /dm */ { 0, BX_IA_PUSH_ERX },
1980   /* 54 /dm */ { 0, BX_IA_PUSH_ERX },
1981   /* 55 /dm */ { 0, BX_IA_PUSH_ERX },
1982   /* 56 /dm */ { 0, BX_IA_PUSH_ERX },
1983   /* 57 /dm */ { 0, BX_IA_PUSH_ERX },
1984   /* 58 /dm */ { 0, BX_IA_POP_ERX },
1985   /* 59 /dm */ { 0, BX_IA_POP_ERX },
1986   /* 5A /dm */ { 0, BX_IA_POP_ERX },
1987   /* 5B /dm */ { 0, BX_IA_POP_ERX },
1988   /* 5C /dm */ { 0, BX_IA_POP_ERX },
1989   /* 5D /dm */ { 0, BX_IA_POP_ERX },
1990   /* 5E /dm */ { 0, BX_IA_POP_ERX },
1991   /* 5F /dm */ { 0, BX_IA_POP_ERX },
1992   /* 60 /dm */ { 0, BX_IA_PUSHAD32 },
1993   /* 61 /dm */ { 0, BX_IA_POPAD32 },
1994   /* 62 /dm */ { 0, BX_IA_BOUND_GdMa },
1995   /* 63 /dm */ { 0, BX_IA_ARPL_EwGw },
1996   /* 64 /dm */ { 0, BX_IA_ERROR }, // FS:
1997   /* 65 /dm */ { 0, BX_IA_ERROR }, // GS:
1998   /* 66 /dm */ { 0, BX_IA_ERROR }, // OS:
1999   /* 67 /dm */ { 0, BX_IA_ERROR }, // AS:
2000   /* 68 /dm */ { BxImmediate_Id, BX_IA_PUSH_Id },
2001   /* 69 /dm */ { BxImmediate_Id, BX_IA_IMUL_GdEdIdM },
2002   /* 6A /dm */ { BxImmediate_Ib_SE, BX_IA_PUSH_Id },
2003   /* 6B /dm */ { BxImmediate_Ib_SE, BX_IA_IMUL_GdEdIdM },
2004   /* 6C /dm */ { 0, BX_IA_REP_INSB_YbDX },
2005   /* 6D /dm */ { 0, BX_IA_REP_INSD_YdDX },
2006   /* 6E /dm */ { 0, BX_IA_REP_OUTSB_DXXb },
2007   /* 6F /dm */ { 0, BX_IA_REP_OUTSD_DXXd },
2008   /* 70 /dm */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JO_Jd },
2009   /* 71 /dm */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JNO_Jd },
2010   /* 72 /dm */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JB_Jd },
2011   /* 73 /dm */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JNB_Jd },
2012   /* 74 /dm */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JZ_Jd },
2013   /* 75 /dm */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JNZ_Jd },
2014   /* 76 /dm */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JBE_Jd },
2015   /* 77 /dm */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JNBE_Jd },
2016   /* 78 /dm */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JS_Jd },
2017   /* 79 /dm */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JNS_Jd },
2018   /* 7A /dm */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JP_Jd },
2019   /* 7B /dm */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JNP_Jd },
2020   /* 7C /dm */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JL_Jd },
2021   /* 7D /dm */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JNL_Jd },
2022   /* 7E /dm */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JLE_Jd },
2023   /* 7F /dm */ { BxImmediate_BrOff8 | BxTraceJCC, BX_IA_JNLE_Jd },
2024   /* 80 /dm */ { BxGroup1 | BxImmediate_Ib, BX_IA_ERROR, BxOpcodeInfoG1EbIbM },
2025   /* 81 /dm */ { BxGroup1 | BxImmediate_Id, BX_IA_ERROR, BxOpcodeInfoG1EdM },
2026   /* 82 /dm */ { BxGroup1 | BxImmediate_Ib, BX_IA_ERROR, BxOpcodeInfoG1EbIbM },
2027   /* 83 /dm */ { BxGroup1 | BxImmediate_Ib_SE, BX_IA_ERROR, BxOpcodeInfoG1EdM },
2028   /* 84 /dm */ { 0, BX_IA_TEST_EbGbM },
2029   /* 85 /dm */ { 0, BX_IA_TEST_EdGdM },
2030   /* 86 /dm */ { BxLockable, BX_IA_XCHG_EbGbM },
2031   /* 87 /dm */ { BxLockable, BX_IA_XCHG_EdGdM },
2032   /* 88 /dm */ { 0, BX_IA_MOV_EbGbM },
2033   /* 89 /dm */ { 0, BX_IA_MOV_EdGdM },
2034   /* 8A /dm */ { 0, BX_IA_MOV_GbEbM },
2035   /* 8B /dm */ { 0, BX_IA_MOV32_GdEdM },
2036   /* 8C /dm */ { 0, BX_IA_MOV_EwSwM },
2037   /* 8D /dm */ { 0, BX_IA_LEA_GdM },
2038   /* 8E /dm */ { 0, BX_IA_MOV_SwEw },
2039   /* 8F /dm */ { BxGroup1A, BX_IA_ERROR, BxOpcodeInfoG1AEdM },
2040   /* 90 /dm */ { 0, BX_IA_NOP },
2041   /* 91 /dm */ { 0, BX_IA_XCHG_ERXEAX },
2042   /* 92 /dm */ { 0, BX_IA_XCHG_ERXEAX },
2043   /* 93 /dm */ { 0, BX_IA_XCHG_ERXEAX },
2044   /* 94 /dm */ { 0, BX_IA_XCHG_ERXEAX },
2045   /* 95 /dm */ { 0, BX_IA_XCHG_ERXEAX },
2046   /* 96 /dm */ { 0, BX_IA_XCHG_ERXEAX },
2047   /* 97 /dm */ { 0, BX_IA_XCHG_ERXEAX },
2048   /* 98 /dm */ { 0, BX_IA_CWDE },
2049   /* 99 /dm */ { 0, BX_IA_CDQ },
2050   /* 9A /dm */ { BxImmediate_IdIw | BxTraceEnd, BX_IA_CALL32_Ap },
2051   /* 9B /dm */ { 0, BX_IA_FWAIT },
2052   /* 9C /dm */ { 0, BX_IA_PUSHF_Fd },
2053   /* 9D /dm */ { 0, BX_IA_POPF_Fd },
2054   /* 9E /dm */ { 0, BX_IA_SAHF },
2055   /* 9F /dm */ { 0, BX_IA_LAHF },
2056   /* A0 /dm */ { BxImmediate_O, BX_IA_MOV_ALOd },
2057   /* A1 /dm */ { BxImmediate_O, BX_IA_MOV_EAXOd },
2058   /* A2 /dm */ { BxImmediate_O, BX_IA_MOV_OdAL },
2059   /* A3 /dm */ { BxImmediate_O, BX_IA_MOV_OdEAX },
2060   /* A4 /dm */ { 0, BX_IA_REP_MOVSB_XbYb },
2061   /* A5 /dm */ { 0, BX_IA_REP_MOVSD_XdYd },
2062   /* A6 /dm */ { 0, BX_IA_REP_CMPSB_XbYb },
2063   /* A7 /dm */ { 0, BX_IA_REP_CMPSD_XdYd },
2064   /* A8 /dm */ { BxImmediate_Ib, BX_IA_TEST_ALIb },
2065   /* A9 /dm */ { BxImmediate_Id, BX_IA_TEST_EAXId },
2066   /* AA /dm */ { 0, BX_IA_REP_STOSB_YbAL },
2067   /* AB /dm */ { 0, BX_IA_REP_STOSD_YdEAX },
2068   /* AC /dm */ { 0, BX_IA_REP_LODSB_ALXb },
2069   /* AD /dm */ { 0, BX_IA_REP_LODSD_EAXXd },
2070   /* AE /dm */ { 0, BX_IA_REP_SCASB_ALXb  },
2071   /* AF /dm */ { 0, BX_IA_REP_SCASD_EAXXd },
2072   /* B0 /dm */ { BxImmediate_Ib, BX_IA_MOV_RLIb },
2073   /* B1 /dm */ { BxImmediate_Ib, BX_IA_MOV_RLIb },
2074   /* B2 /dm */ { BxImmediate_Ib, BX_IA_MOV_RLIb },
2075   /* B3 /dm */ { BxImmediate_Ib, BX_IA_MOV_RLIb },
2076   /* B4 /dm */ { BxImmediate_Ib, BX_IA_MOV_RHIb },
2077   /* B5 /dm */ { BxImmediate_Ib, BX_IA_MOV_RHIb },
2078   /* B6 /dm */ { BxImmediate_Ib, BX_IA_MOV_RHIb },
2079   /* B7 /dm */ { BxImmediate_Ib, BX_IA_MOV_RHIb },
2080   /* B8 /dm */ { BxImmediate_Id, BX_IA_MOV_ERXId },
2081   /* B9 /dm */ { BxImmediate_Id, BX_IA_MOV_ERXId },
2082   /* BA /dm */ { BxImmediate_Id, BX_IA_MOV_ERXId },
2083   /* BB /dm */ { BxImmediate_Id, BX_IA_MOV_ERXId },
2084   /* BC /dm */ { BxImmediate_Id, BX_IA_MOV_ERXId },
2085   /* BD /dm */ { BxImmediate_Id, BX_IA_MOV_ERXId },
2086   /* BE /dm */ { BxImmediate_Id, BX_IA_MOV_ERXId },
2087   /* BF /dm */ { BxImmediate_Id, BX_IA_MOV_ERXId },
2088   /* C0 /dm */ { BxGroup2 | BxImmediate_Ib, BX_IA_ERROR, BxOpcodeInfoG2Eb },
2089   /* C1 /dm */ { BxGroup2 | BxImmediate_Ib, BX_IA_ERROR, BxOpcodeInfoG2EdM },
2090   /* C2 /dm */ { BxImmediate_Iw | BxTraceEnd, BX_IA_RETnear32_Iw },
2091   /* C3 /dm */ { BxTraceEnd,                  BX_IA_RETnear32 },
2092   /* C4 /dm */ { 0, BX_IA_LES_GdMp },
2093   /* C5 /dm */ { 0, BX_IA_LDS_GdMp },
2094   /* C6 /dm */ { BxGroup11, BX_IA_ERROR, BxOpcodeInfoG11EbM },
2095   /* C7 /dm */ { BxGroup11, BX_IA_ERROR, BxOpcodeInfoG11EdM },
2096   /* C8 /dm */ { BxImmediate_IwIb, BX_IA_ENTER32_IwIb },
2097   /* C9 /dm */ { 0, BX_IA_LEAVE32 },
2098   /* CA /dm */ { BxImmediate_Iw | BxTraceEnd, BX_IA_RETfar32_Iw },
2099   /* CB /dm */ { BxTraceEnd,                  BX_IA_RETfar32 },
2100   /* CC /dm */ { BxTraceEnd, BX_IA_INT3 },
2101   /* CD /dm */ { BxImmediate_Ib | BxTraceEnd, BX_IA_INT_Ib },
2102   /* CE /dm */ { BxTraceEnd, BX_IA_INTO },
2103   /* CF /dm */ { BxTraceEnd, BX_IA_IRET32 },
2104   /* D0 /dm */ { BxGroup2 | BxImmediate_I1, BX_IA_ERROR, BxOpcodeInfoG2Eb },
2105   /* D1 /dm */ { BxGroup2 | BxImmediate_I1, BX_IA_ERROR, BxOpcodeInfoG2EdM },
2106   /* D2 /dm */ { BxGroup2, BX_IA_ERROR, BxOpcodeInfoG2Eb },
2107   /* D3 /dm */ { BxGroup2, BX_IA_ERROR, BxOpcodeInfoG2EdM },
2108   /* D4 /dm */ { BxImmediate_Ib, BX_IA_AAM },
2109   /* D5 /dm */ { BxImmediate_Ib, BX_IA_AAD },
2110   /* D6 /dm */ { 0, BX_IA_SALC },
2111   /* D7 /dm */ { 0, BX_IA_XLAT },
2112 #if BX_SUPPORT_FPU
2113   /* D8 /dm */ { BxGroupFP, BX_IA_ERROR, BxOpcodeInfo_FPGroupD8 },
2114   /* D9 /dm */ { BxGroupFP, BX_IA_ERROR, BxOpcodeInfo_FPGroupD9 },
2115   /* DA /dm */ { BxGroupFP, BX_IA_ERROR, BxOpcodeInfo_FPGroupDA },
2116   /* DB /dm */ { BxGroupFP, BX_IA_ERROR, BxOpcodeInfo_FPGroupDB },
2117   /* DC /dm */ { BxGroupFP, BX_IA_ERROR, BxOpcodeInfo_FPGroupDC },
2118   /* DD /dm */ { BxGroupFP, BX_IA_ERROR, BxOpcodeInfo_FPGroupDD },
2119   /* DE /dm */ { BxGroupFP, BX_IA_ERROR, BxOpcodeInfo_FPGroupDE },
2120   /* DF /dm */ { BxGroupFP, BX_IA_ERROR, BxOpcodeInfo_FPGroupDF },
2121 #else
2122   /* D8 /dm */ { 0, BX_IA_FPU_ESC },
2123   /* D9 /dm */ { 0, BX_IA_FPU_ESC },
2124   /* DA /dm */ { 0, BX_IA_FPU_ESC },
2125   /* DB /dm */ { 0, BX_IA_FPU_ESC },
2126   /* DC /dm */ { 0, BX_IA_FPU_ESC },
2127   /* DD /dm */ { 0, BX_IA_FPU_ESC },
2128   /* DE /dm */ { 0, BX_IA_FPU_ESC },
2129   /* DF /dm */ { 0, BX_IA_FPU_ESC },
2130 #endif
2131   /* E0 /dm */ { BxImmediate_BrOff8 | BxTraceEnd, BX_IA_LOOPNE32_Jb },
2132   /* E1 /dm */ { BxImmediate_BrOff8 | BxTraceEnd, BX_IA_LOOPE32_Jb },
2133   /* E2 /dm */ { BxImmediate_BrOff8 | BxTraceEnd, BX_IA_LOOP32_Jb },
2134   /* E3 /dm */ { BxImmediate_BrOff8 | BxTraceEnd, BX_IA_JECXZ_Jb },
2135   /* E4 /dm */ { BxImmediate_Ib, BX_IA_IN_ALIb },
2136   /* E5 /dm */ { BxImmediate_Ib, BX_IA_IN_EAXIb },
2137   /* E6 /dm */ { BxImmediate_Ib, BX_IA_OUT_IbAL },
2138   /* E7 /dm */ { BxImmediate_Ib, BX_IA_OUT_IbEAX },
2139   /* E8 /dm */ { BxImmediate_BrOff32 | BxTraceEnd, BX_IA_CALL_Jd },
2140   /* E9 /dm */ { BxImmediate_BrOff32 | BxTraceEnd, BX_IA_JMP_Jd },
2141   /* EA /dm */ { BxImmediate_IdIw | BxTraceEnd, BX_IA_JMP_Ap },
2142   /* EB /dm */ { BxImmediate_BrOff8 | BxTraceEnd, BX_IA_JMP_Jd },
2143   /* EC /dm */ { 0, BX_IA_IN_ALDX },
2144   /* ED /dm */ { 0, BX_IA_IN_EAXDX },
2145   /* EE /dm */ { 0, BX_IA_OUT_DXAL },
2146   /* EF /dm */ { 0, BX_IA_OUT_DXEAX },
2147   /* F0 /dm */ { 0, BX_IA_ERROR }, // LOCK:
2148   /* F1 /dm */ { BxTraceEnd, BX_IA_INT1 },
2149   /* F2 /dm */ { 0, BX_IA_ERROR }, // REPNE/REPNZ
2150   /* F3 /dm */ { 0, BX_IA_ERROR }, // REP,REPE/REPZ
2151   /* F4 /dm */ { BxTraceEnd, BX_IA_HLT },
2152   /* F5 /dm */ { 0, BX_IA_CMC },
2153   /* F6 /dm */ { BxGroup3, BX_IA_ERROR, BxOpcodeInfoG3EbM },
2154   /* F7 /dm */ { BxGroup3, BX_IA_ERROR, BxOpcodeInfoG3EdM },
2155   /* F8 /dm */ { 0, BX_IA_CLC },
2156   /* F9 /dm */ { 0, BX_IA_STC },
2157   /* FA /dm */ { 0, BX_IA_CLI },
2158   /* FB /dm */ { 0, BX_IA_STI },
2159   /* FC /dm */ { 0, BX_IA_CLD },
2160   /* FD /dm */ { 0, BX_IA_STD },
2161   /* FE /dm */ { BxGroup4, BX_IA_ERROR, BxOpcodeInfoG4M },
2162   /* FF /dm */ { BxGroup5, BX_IA_ERROR, BxOpcodeInfoG5dM },
2163
2164   /* 0F 00 /dm */ { BxGroup6, BX_IA_ERROR, BxOpcodeInfoG6 },
2165   /* 0F 01 /dm */ { BxGroup7, BX_IA_ERROR, BxOpcodeInfoG7M },
2166   /* 0F 02 /dm */ { 0, BX_IA_LAR_GvEw },
2167   /* 0F 03 /dm */ { 0, BX_IA_LSL_GvEw },
2168   /* 0F 04 /dm */ { 0, BX_IA_ERROR },
2169 #if BX_SUPPORT_X86_64
2170   /* 0F 05 /dm */ { BxTraceEnd, BX_IA_SYSCALL },
2171 #elif BX_CPU_LEVEL == 2
2172   /* 0F 05 /dm */ { BxTraceEnd, BX_IA_LOADALL },
2173 #else
2174   /* 0F 05 /dm */ { 0, BX_IA_ERROR },
2175 #endif
2176   /* 0F 06 /dm */ { 0, BX_IA_CLTS },
2177 #if BX_SUPPORT_X86_64
2178   /* 0F 07 /dm */ { BxTraceEnd, BX_IA_SYSRET },
2179 #else
2180   /* 0F 07 /dm */ { 0, BX_IA_ERROR },
2181 #endif
2182   /* 0F 08 /dm */ { BxTraceEnd, BX_IA_INVD },
2183   /* 0F 09 /dm */ { BxTraceEnd, BX_IA_WBINVD },
2184   /* 0F 0A /dm */ { 0, BX_IA_ERROR },
2185   /* 0F 0B /dm */ { BxTraceEnd, BX_IA_UD2A },
2186   /* 0F 0C /dm */ { 0, BX_IA_ERROR },
2187 #if BX_SUPPORT_X86_64 || BX_SUPPORT_3DNOW
2188   /* 0F 0D /dm */ { 0, BX_IA_NOP },             // 3DNow! PREFETCH on AMD, NOP on Intel
2189 #else
2190   /* 0F 0D /dm */ { 0, BX_IA_ERROR },
2191 #endif
2192   /* 0F 0E /dm */ { 0, BX_IA_FEMMS },           // 3DNow! FEMMS
2193 #if BX_SUPPORT_3DNOW
2194   /* 0F 0F /dm */ { BxImmediate_Ib, BX_IA_ERROR, Bx3DNowOpcodeInfo },
2195 #else
2196   /* 0F 0F /dm */ { 0, BX_IA_ERROR },
2197 #endif
2198   /* 0F 10 /dm */ { BxPrefixSSE, BX_IA_MOVUPS_VpsWps, BxOpcodeGroupSSE_0f10 },
2199   /* 0F 11 /dm */ { BxPrefixSSE, BX_IA_MOVUPS_WpsVps, BxOpcodeGroupSSE_0f11 },
2200   /* 0F 12 /dm */ { BxPrefixSSE, BX_IA_MOVLPS_VpsMq, BxOpcodeGroupSSE_0f12 },
2201   /* 0F 13 /dm */ { BxPrefixSSE, BX_IA_MOVLPS_MqVps, BxOpcodeGroupSSE_0f13M },
2202   /* 0F 14 /dm */ { BxPrefixSSE, BX_IA_UNPCKLPS_VpsWdq, BxOpcodeGroupSSE_0f14 },
2203   /* 0F 15 /dm */ { BxPrefixSSE, BX_IA_UNPCKHPS_VpsWdq, BxOpcodeGroupSSE_0f15 },
2204   /* 0F 16 /dm */ { BxPrefixSSE, BX_IA_MOVHPS_VpsMq, BxOpcodeGroupSSE_0f16 },
2205   /* 0F 17 /dm */ { BxPrefixSSE, BX_IA_MOVHPS_MqVps, BxOpcodeGroupSSE_0f17M },
2206 # if BX_CPU_LEVEL >= 6
2207   /* 0F 18 /dm */ { 0, BX_IA_PREFETCH }, // opcode group G16, PREFETCH hints
2208   /* 0F 19 /dm */ { 0, BX_IA_NOP },      // multi-byte NOP
2209   /* 0F 1A /dm */ { 0, BX_IA_NOP },      // multi-byte NOP
2210   /* 0F 1B /dm */ { 0, BX_IA_NOP },      // multi-byte NOP
2211   /* 0F 1C /dm */ { 0, BX_IA_NOP },      // multi-byte NOP
2212   /* 0F 1D /dm */ { 0, BX_IA_NOP },      // multi-byte NOP
2213   /* 0F 1E /dm */ { 0, BX_IA_NOP },      // multi-byte NOP
2214   /* 0F 1F /dm */ { 0, BX_IA_NOP },      // multi-byte NOP
2215 #else
2216   /* 0F 18 /dm */ { 0, BX_IA_ERROR },
2217   /* 0F 19 /dm */ { 0, BX_IA_ERROR },
2218   /* 0F 1A /dm */ { 0, BX_IA_ERROR },
2219   /* 0F 1B /dm */ { 0, BX_IA_ERROR },
2220   /* 0F 1C /dm */ { 0, BX_IA_ERROR },
2221   /* 0F 1D /dm */ { 0, BX_IA_ERROR },
2222   /* 0F 1E /dm */ { 0, BX_IA_ERROR },
2223   /* 0F 1F /dm */ { 0, BX_IA_ERROR },
2224 #endif
2225   /* 0F 20 /dm */ { 0, BX_IA_MOV_RdCd },
2226   /* 0F 21 /dm */ { 0, BX_IA_MOV_RdDd },
2227   /* 0F 22 /dm */ { BxTraceEnd, BX_IA_MOV_CdRd },
2228   /* 0F 23 /dm */ { BxTraceEnd, BX_IA_MOV_DdRd },
2229   /* 0F 24 /dm */ { BxTraceEnd, BX_IA_MOV_RdTd }, // not implemented
2230   /* 0F 25 /dm */ { 0, BX_IA_ERROR },
2231   /* 0F 26 /dm */ { BxTraceEnd, BX_IA_MOV_TdRd }, // not implemented
2232   /* 0F 27 /dm */ { 0, BX_IA_ERROR },
2233   /* 0F 28 /dm */ { BxPrefixSSE, BX_IA_MOVAPS_VpsWps, BxOpcodeGroupSSE_0f28 },
2234   /* 0F 29 /dm */ { BxPrefixSSE, BX_IA_MOVAPS_WpsVps, BxOpcodeGroupSSE_0f29 },
2235   /* 0F 2A /dm */ { BxPrefixSSE, BX_IA_CVTPI2PS_VpsQq, BxOpcodeGroupSSE_0f2a },
2236   /* 0F 2B /dm */ { BxPrefixSSE, BX_IA_MOVNTPS_MpsVps, BxOpcodeGroupSSE_0f2bM },
2237   /* 0F 2C /dm */ { BxPrefixSSE, BX_IA_CVTTPS2PI_PqWps, BxOpcodeGroupSSE_0f2c },
2238   /* 0F 2D /dm */ { BxPrefixSSE, BX_IA_CVTPS2PI_PqWps, BxOpcodeGroupSSE_0f2d },
2239   /* 0F 2E /dm */ { BxPrefixSSE, BX_IA_UCOMISS_VssWss, BxOpcodeGroupSSE_0f2e },
2240   /* 0F 2F /dm */ { BxPrefixSSE, BX_IA_COMISS_VpsWps, BxOpcodeGroupSSE_0f2f },
2241   /* 0F 30 /dm */ { 0, BX_IA_WRMSR },
2242   /* 0F 31 /dm */ { 0, BX_IA_RDTSC },
2243   /* 0F 32 /dm */ { 0, BX_IA_RDMSR },
2244   /* 0F 33 /dm */ { 0, BX_IA_RDPMC },
2245   /* 0F 34 /dm */ { BxTraceEnd, BX_IA_SYSENTER },
2246   /* 0F 35 /dm */ { BxTraceEnd, BX_IA_SYSEXIT },
2247   /* 0F 36 /dm */ { 0, BX_IA_ERROR },
2248   /* 0F 37 /dm */ { 0, BX_IA_ERROR },
2249 #if (BX_SUPPORT_SSE >= 4) || (BX_SUPPORT_SSE >= 3 && BX_SUPPORT_SSE_EXTENSION > 0)
2250   /* 0F 38 /dm */ { Bx3ByteOp, BX_IA_ERROR, BxOpcode3ByteTable0f38 }, // 3-byte escape
2251 #else
2252   /* 0F 38 /dm */ { 0, BX_IA_ERROR },
2253 #endif
2254   /* 0F 39 /dm */ { 0, BX_IA_ERROR },
2255 #if (BX_SUPPORT_SSE >= 4) || (BX_SUPPORT_SSE >= 3 && BX_SUPPORT_SSE_EXTENSION > 0)
2256   /* 0F 3A /dm */ { Bx3ByteOp, BX_IA_ERROR, BxOpcode3ByteTable0f3a }, // 3-byte escape
2257 #else
2258   /* 0F 3A /dm */ { 0, BX_IA_ERROR },
2259 #endif
2260   /* 0F 3B /dm */ { 0, BX_IA_ERROR },
2261   /* 0F 3C /dm */ { 0, BX_IA_ERROR },
2262   /* 0F 3D /dm */ { 0, BX_IA_ERROR },
2263   /* 0F 3E /dm */ { 0, BX_IA_ERROR },
2264   /* 0F 3F /dm */ { 0, BX_IA_ERROR },
2265   /* 0F 40 /dm */ { 0, BX_IA_CMOVO_GdEdM },
2266   /* 0F 41 /dm */ { 0, BX_IA_CMOVNO_GdEdM },
2267   /* 0F 42 /dm */ { 0, BX_IA_CMOVB_GdEdM },
2268   /* 0F 43 /dm */ { 0, BX_IA_CMOVNB_GdEdM },
2269   /* 0F 44 /dm */ { 0, BX_IA_CMOVZ_GdEdM },
2270   /* 0F 45 /dm */ { 0, BX_IA_CMOVNZ_GdEdM },
2271   /* 0F 46 /dm */ { 0, BX_IA_CMOVBE_GdEdM },
2272   /* 0F 47 /dm */ { 0, BX_IA_CMOVNBE_GdEdM },
2273   /* 0F 48 /dm */ { 0, BX_IA_CMOVS_GdEdM },
2274   /* 0F 49 /dm */ { 0, BX_IA_CMOVNS_GdEdM },
2275   /* 0F 4A /dm */ { 0, BX_IA_CMOVP_GdEdM },
2276   /* 0F 4B /dm */ { 0, BX_IA_CMOVNP_GdEdM },
2277   /* 0F 4C /dm */ { 0, BX_IA_CMOVL_GdEdM },
2278   /* 0F 4D /dm */ { 0, BX_IA_CMOVNL_GdEdM },
2279   /* 0F 4E /dm */ { 0, BX_IA_CMOVLE_GdEdM },
2280   /* 0F 4F /dm */ { 0, BX_IA_CMOVNLE_GdEdM },
2281   /* 0F 50 /dm */ { BxPrefixSSE, BX_IA_MOVMSKPS_GdVRps, BxOpcodeGroupSSE_0f50 },
2282   /* 0F 51 /dm */ { BxPrefixSSE, BX_IA_SQRTPS_VpsWps, BxOpcodeGroupSSE_0f51 },
2283   /* 0F 52 /dm */ { BxPrefixSSE, BX_IA_RSQRTPS_VpsWps, BxOpcodeGroupSSE_0f52 },
2284   /* 0F 53 /dm */ { BxPrefixSSE, BX_IA_RCPPS_VpsWps, BxOpcodeGroupSSE_0f53 },
2285   /* 0F 54 /dm */ { BxPrefixSSE, BX_IA_ANDPS_VpsWps, BxOpcodeGroupSSE_0f54 },
2286   /* 0F 55 /dm */ { BxPrefixSSE, BX_IA_ANDNPS_VpsWps, BxOpcodeGroupSSE_0f55 },
2287   /* 0F 56 /dm */ { BxPrefixSSE, BX_IA_ORPS_VpsWps, BxOpcodeGroupSSE_0f56 },
2288   /* 0F 57 /dm */ { BxPrefixSSE, BX_IA_XORPS_VpsWps, BxOpcodeGroupSSE_0f57 },
2289   /* 0F 58 /dm */ { BxPrefixSSE, BX_IA_ADDPS_VpsWps, BxOpcodeGroupSSE_0f58 },
2290   /* 0F 59 /dm */ { BxPrefixSSE, BX_IA_MULPS_VpsWps, BxOpcodeGroupSSE_0f59 },
2291   /* 0F 5A /dm */ { BxPrefixSSE, BX_IA_CVTPS2PD_VpsWps, BxOpcodeGroupSSE_0f5a },
2292   /* 0F 5B /dm */ { BxPrefixSSE, BX_IA_CVTDQ2PS_VpsWdq, BxOpcodeGroupSSE_0f5b },
2293   /* 0F 5C /dm */ { BxPrefixSSE, BX_IA_SUBPS_VpsWps, BxOpcodeGroupSSE_0f5c },
2294   /* 0F 5D /dm */ { BxPrefixSSE, BX_IA_MINPS_VpsWps, BxOpcodeGroupSSE_0f5d },
2295   /* 0F 5E /dm */ { BxPrefixSSE, BX_IA_DIVPS_VpsWps, BxOpcodeGroupSSE_0f5e },
2296   /* 0F 5F /dm */ { BxPrefixSSE, BX_IA_MAXPS_VpsWps, BxOpcodeGroupSSE_0f5f },
2297   /* 0F 60 /dm */ { BxPrefixSSE, BX_IA_PUNPCKLBW_PqQd, BxOpcodeGroupSSE_0f60 },
2298   /* 0F 61 /dm */ { BxPrefixSSE, BX_IA_PUNPCKLWD_PqQd, BxOpcodeGroupSSE_0f61 },
2299   /* 0F 62 /dm */ { BxPrefixSSE, BX_IA_PUNPCKLDQ_PqQd, BxOpcodeGroupSSE_0f62 },
2300   /* 0F 63 /dm */ { BxPrefixSSE, BX_IA_PACKSSWB_PqQq, BxOpcodeGroupSSE_0f63 },
2301   /* 0F 64 /dm */ { BxPrefixSSE, BX_IA_PCMPGTB_PqQq, BxOpcodeGroupSSE_0f64 },
2302   /* 0F 65 /dm */ { BxPrefixSSE, BX_IA_PCMPGTW_PqQq, BxOpcodeGroupSSE_0f65 },
2303   /* 0F 66 /dm */ { BxPrefixSSE, BX_IA_PCMPGTD_PqQq, BxOpcodeGroupSSE_0f66 },
2304   /* 0F 67 /dm */ { BxPrefixSSE, BX_IA_PACKUSWB_PqQq, BxOpcodeGroupSSE_0f67 },
2305   /* 0F 68 /dm */ { BxPrefixSSE, BX_IA_PUNPCKHBW_PqQq, BxOpcodeGroupSSE_0f68 },
2306   /* 0F 69 /dm */ { BxPrefixSSE, BX_IA_PUNPCKHWD_PqQq, BxOpcodeGroupSSE_0f69 },
2307   /* 0F 6A /dm */ { BxPrefixSSE, BX_IA_PUNPCKHDQ_PqQq, BxOpcodeGroupSSE_0f6a },
2308   /* 0F 6B /dm */ { BxPrefixSSE, BX_IA_PACKSSDW_PqQq, BxOpcodeGroupSSE_0f6b },
2309   /* 0F 6C /dm */ { BxPrefixSSE, BX_IA_ERROR, BxOpcodeGroupSSE_0f6c },
2310   /* 0F 6D /dm */ { BxPrefixSSE, BX_IA_ERROR, BxOpcodeGroupSSE_0f6d },
2311   /* 0F 6E /dm */ { BxPrefixSSE, BX_IA_MOVD_PqEd, BxOpcodeGroupSSE_0f6e },
2312   /* 0F 6F /dm */ { BxPrefixSSE, BX_IA_MOVQ_PqQq, BxOpcodeGroupSSE_0f6f },
2313   /* 0F 70 /dm */ { BxPrefixSSE | BxImmediate_Ib, BX_IA_PSHUFW_PqQqIb, BxOpcodeGroupSSE_0f70 },
2314   /* 0F 71 /dm */ { 0, BX_IA_ERROR }, // SSE Group G12
2315   /* 0F 72 /dm */ { 0, BX_IA_ERROR }, // SSE Group G13
2316   /* 0F 73 /dm */ { 0, BX_IA_ERROR }, // SSE Group G14
2317   /* 0F 74 /dm */ { BxPrefixSSE, BX_IA_PCMPEQB_PqQq, BxOpcodeGroupSSE_0f74 },
2318   /* 0F 75 /dm */ { BxPrefixSSE, BX_IA_PCMPEQW_PqQq, BxOpcodeGroupSSE_0f75 },
2319   /* 0F 76 /dm */ { BxPrefixSSE, BX_IA_PCMPEQD_PqQq, BxOpcodeGroupSSE_0f76 },
2320   /* 0F 77 /dm */ { BxPrefixSSE, BX_IA_EMMS, BxOpcodeGroupSSE_ERR },
2321   /* 0F 78 /dm */ { 0, BX_IA_ERROR },
2322   /* 0F 79 /dm */ { 0, BX_IA_ERROR },
2323   /* 0F 7A /dm */ { 0, BX_IA_ERROR },
2324   /* 0F 7B /dm */ { 0, BX_IA_ERROR },
2325   /* 0F 7C /dm */ { BxPrefixSSE, BX_IA_ERROR, BxOpcodeGroupSSE_0f7c },
2326   /* 0F 7D /dm */ { BxPrefixSSE, BX_IA_ERROR, BxOpcodeGroupSSE_0f7d },
2327   /* 0F 7E /dm */ { BxPrefixSSE, BX_IA_MOVD_EdPd, BxOpcodeGroupSSE_0f7e },
2328   /* 0F 7F /dm */ { BxPrefixSSE, BX_IA_MOVQ_QqPq, BxOpcodeGroupSSE_0f7f },
2329   /* 0F 80 /dm */ { BxImmediate_BrOff32 | BxTraceJCC, BX_IA_JO_Jd },
2330   /* 0F 81 /dm */ { BxImmediate_BrOff32 | BxTraceJCC, BX_IA_JNO_Jd },
2331   /* 0F 82 /dm */ { BxImmediate_BrOff32 | BxTraceJCC, BX_IA_JB_Jd },
2332   /* 0F 83 /dm */ { BxImmediate_BrOff32 | BxTraceJCC, BX_IA_JNB_Jd },
2333   /* 0F 84 /dm */ { BxImmediate_BrOff32 | BxTraceJCC, BX_IA_JZ_Jd },
2334   /* 0F 85 /dm */ { BxImmediate_BrOff32 | BxTraceJCC, BX_IA_JNZ_Jd },
2335   /* 0F 86 /dm */ { BxImmediate_BrOff32 | BxTraceJCC, BX_IA_JBE_Jd },
2336   /* 0F 87 /dm */ { BxImmediate_BrOff32 | BxTraceJCC, BX_IA_JNBE_Jd },
2337   /* 0F 88 /dm */ { BxImmediate_BrOff32 | BxTraceJCC, BX_IA_JS_Jd },
2338   /* 0F 89 /dm */ { BxImmediate_BrOff32 | BxTraceJCC, BX_IA_JNS_Jd },
2339   /* 0F 8A /dm */ { BxImmediate_BrOff32 | BxTraceJCC, BX_IA_JP_Jd },
2340   /* 0F 8B /dm */ { BxImmediate_BrOff32 | BxTraceJCC, BX_IA_JNP_Jd },
2341   /* 0F 8C /dm */ { BxImmediate_BrOff32 | BxTraceJCC, BX_IA_JL_Jd },
2342   /* 0F 8D /dm */ { BxImmediate_BrOff32 | BxTraceJCC, BX_IA_JNL_Jd },
2343   /* 0F 8E /dm */ { BxImmediate_BrOff32 | BxTraceJCC, BX_IA_JLE_Jd },
2344   /* 0F 8F /dm */ { BxImmediate_BrOff32 | BxTraceJCC, BX_IA_JNLE_Jd },
2345   /* 0F 90 /dm */ { 0, BX_IA_SETO_EbM },
2346   /* 0F 91 /dm */ { 0, BX_IA_SETNO_EbM },
2347   /* 0F 92 /dm */ { 0, BX_IA_SETB_EbM },
2348   /* 0F 93 /dm */ { 0, BX_IA_SETNB_EbM },
2349   /* 0F 94 /dm */ { 0, BX_IA_SETZ_EbM },
2350   /* 0F 95 /dm */ { 0, BX_IA_SETNZ_EbM },
2351   /* 0F 96 /dm */ { 0, BX_IA_SETBE_EbM },
2352   /* 0F 97 /dm */ { 0, BX_IA_SETNBE_EbM },
2353   /* 0F 98 /dm */ { 0, BX_IA_SETS_EbM },
2354   /* 0F 99 /dm */ { 0, BX_IA_SETNS_EbM },
2355   /* 0F 9A /dm */ { 0, BX_IA_SETP_EbM },
2356   /* 0F 9B /dm */ { 0, BX_IA_SETNP_EbM },
2357   /* 0F 9C /dm */ { 0, BX_IA_SETL_EbM },
2358   /* 0F 9D /dm */ { 0, BX_IA_SETNL_EbM },
2359   /* 0F 9E /dm */ { 0, BX_IA_SETLE_EbM },
2360   /* 0F 9F /dm */ { 0, BX_IA_SETNLE_EbM },
2361   /* 0F A0 /dm */ { 0, BX_IA_PUSH32_FS },
2362   /* 0F A1 /dm */ { 0, BX_IA_POP32_FS },
2363   /* 0F A2 /dm */ { 0, BX_IA_CPUID },
2364   /* 0F A3 /dm */ { 0, BX_IA_BT_EdGdM },
2365   /* 0F A4 /dm */ { BxImmediate_Ib, BX_IA_SHLD_EdGdM },
2366   /* 0F A5 /dm */ { 0,              BX_IA_SHLD_EdGdM },
2367   /* 0F A6 /dm */ { BxTraceEnd, BX_IA_CMPXCHG_XBTS }, // not implemented
2368   /* 0F A7 /dm */ { BxTraceEnd, BX_IA_CMPXCHG_IBTS }, // not implemented
2369   /* 0F A8 /dm */ { 0, BX_IA_PUSH32_GS },
2370   /* 0F A9 /dm */ { 0, BX_IA_POP32_GS },
2371   /* 0F AA /dm */ { BxTraceEnd, BX_IA_RSM },
2372   /* 0F AB /dm */ { BxLockable, BX_IA_BTS_EdGdM },
2373   /* 0F AC /dm */ { BxImmediate_Ib, BX_IA_SHRD_EdGdM },
2374   /* 0F AD /dm */ { 0,              BX_IA_SHRD_EdGdM },
2375   /* 0F AE /dm */ { BxGroup15, BX_IA_ERROR, BxOpcodeInfoG15M },
2376   /* 0F AF /dm */ { 0, BX_IA_IMUL_GdEdM },
2377   /* 0F B0 /dm */ { BxLockable, BX_IA_CMPXCHG_EbGbM },
2378   /* 0F B1 /dm */ { BxLockable, BX_IA_CMPXCHG_EdGdM },
2379   /* 0F B2 /dm */ { 0, BX_IA_LSS_GdMp },
2380   /* 0F B3 /dm */ { BxLockable, BX_IA_BTR_EdGdM },
2381   /* 0F B4 /dm */ { 0, BX_IA_LFS_GdMp },
2382   /* 0F B5 /dm */ { 0, BX_IA_LGS_GdMp },
2383   /* 0F B6 /dm */ { 0, BX_IA_MOVZX_GdEbM },
2384   /* 0F B7 /dm */ { 0, BX_IA_MOVZX_GdEwM },
2385   /* 0F B8 /dm */ { BxPrefixSSE, BX_IA_ERROR, BxOpcodeGroupSSE_0fb8dM },
2386   /* 0F B9 /dm */ { BxTraceEnd, BX_IA_UD2B },
2387   /* 0F BA /dm */ { BxGroup8, BX_IA_ERROR, BxOpcodeInfoG8EdIbM },
2388   /* 0F BB /dm */ { BxLockable, BX_IA_BTC_EdGdM },
2389   /* 0F BC /dm */ { 0, BX_IA_BSF_GdEdM },
2390   /* 0F BD /dm */ { 0, BX_IA_BSR_GdEdM },
2391   /* 0F BE /dm */ { 0, BX_IA_MOVSX_GdEbM },
2392   /* 0F BF /dm */ { 0, BX_IA_MOVSX_GdEwM },
2393   /* 0F C0 /dm */ { BxLockable, BX_IA_XADD_EbGbM },
2394   /* 0F C1 /dm */ { BxLockable, BX_IA_XADD_EdGdM },
2395   /* 0F C2 /dm */ { BxPrefixSSE | BxImmediate_Ib, BX_IA_CMPPS_VpsWpsIb, BxOpcodeGroupSSE_0fc2 },
2396   /* 0F C3 /dm */ { BxPrefixSSE, BX_IA_MOVNTI_MdGd, BxOpcodeGroupSSE_ERR },
2397   /* 0F C4 /dm */ { BxPrefixSSE | BxImmediate_Ib, BX_IA_PINSRW_PqEwIb, BxOpcodeGroupSSE_0fc4 },
2398   /* 0F C5 /dm */ { 0, BX_IA_ERROR }, // PEXTRW SSE group
2399   /* 0F C6 /dm */ { BxPrefixSSE | BxImmediate_Ib, BX_IA_SHUFPS_VpsWpsIb, BxOpcodeGroupSSE_0fc6 },
2400   /* 0F C7 /dm */ { BxGroup9, BX_IA_ERROR, BxOpcodeInfoG9M },
2401   /* 0F C8 /dm */ { 0, BX_IA_BSWAP_ERX },
2402   /* 0F C9 /dm */ { 0, BX_IA_BSWAP_ERX },
2403   /* 0F CA /dm */ { 0, BX_IA_BSWAP_ERX },
2404   /* 0F CB /dm */ { 0, BX_IA_BSWAP_ERX },
2405   /* 0F CC /dm */ { 0, BX_IA_BSWAP_ERX },
2406   /* 0F CD /dm */ { 0, BX_IA_BSWAP_ERX },
2407   /* 0F CE /dm */ { 0, BX_IA_BSWAP_ERX },
2408   /* 0F CF /dm */ { 0, BX_IA_BSWAP_ERX },
2409   /* 0F D0 /dm */ { BxPrefixSSE, BX_IA_ERROR, BxOpcodeGroupSSE_0fd0 },
2410   /* 0F D1 /dm */ { BxPrefixSSE, BX_IA_PSRLW_PqQq, BxOpcodeGroupSSE_0fd1 },
2411   /* 0F D2 /dm */ { BxPrefixSSE, BX_IA_PSRLD_PqQq, BxOpcodeGroupSSE_0fd2 },
2412   /* 0F D3 /dm */ { BxPrefixSSE, BX_IA_PSRLQ_PqQq, BxOpcodeGroupSSE_0fd3 },
2413   /* 0F D4 /dm */ { BxPrefixSSE, BX_IA_PADDQ_PqQq, BxOpcodeGroupSSE_0fd4 },
2414   /* 0F D5 /dm */ { BxPrefixSSE, BX_IA_PMULLW_PqQq, BxOpcodeGroupSSE_0fd5 },
2415   /* 0F D6 /dm */ { BxPrefixSSE, BX_IA_ERROR, BxOpcodeGroupSSE_0fd6 },
2416   /* 0F D7 /dm */ { BxPrefixSSE, BX_IA_PMOVMSKB_GdPRq, BxOpcodeGroupSSE_0fd7 },
2417   /* 0F D8 /dm */ { BxPrefixSSE, BX_IA_PSUBUSB_PqQq, BxOpcodeGroupSSE_0fd8 },
2418   /* 0F D9 /dm */ { BxPrefixSSE, BX_IA_PSUBUSW_PqQq, BxOpcodeGroupSSE_0fd9 },
2419   /* 0F DA /dm */ { BxPrefixSSE, BX_IA_PMINUB_PqQq, BxOpcodeGroupSSE_0fda },
2420   /* 0F DB /dm */ { BxPrefixSSE, BX_IA_PAND_PqQq, BxOpcodeGroupSSE_0fdb },
2421   /* 0F DC /dm */ { BxPrefixSSE, BX_IA_PADDUSB_PqQq, BxOpcodeGroupSSE_0fdc },
2422   /* 0F DD /dm */ { BxPrefixSSE, BX_IA_PADDUSW_PqQq, BxOpcodeGroupSSE_0fdd },
2423   /* 0F DE /dm */ { BxPrefixSSE, BX_IA_PMAXUB_PqQq, BxOpcodeGroupSSE_0fde },
2424   /* 0F DF /dm */ { BxPrefixSSE, BX_IA_PANDN_PqQq, BxOpcodeGroupSSE_0fdf },
2425   /* 0F E0 /dm */ { BxPrefixSSE, BX_IA_PAVGB_PqQq, BxOpcodeGroupSSE_0fe0 },
2426   /* 0F E1 /dm */ { BxPrefixSSE, BX_IA_PSRAW_PqQq, BxOpcodeGroupSSE_0fe1 },
2427   /* 0F E2 /dm */ { BxPrefixSSE, BX_IA_PSRAD_PqQq, BxOpcodeGroupSSE_0fe2 },
2428   /* 0F E3 /dm */ { BxPrefixSSE, BX_IA_PAVGW_PqQq, BxOpcodeGroupSSE_0fe3 },
2429   /* 0F E4 /dm */ { BxPrefixSSE, BX_IA_PMULHUW_PqQq, BxOpcodeGroupSSE_0fe4 },
2430   /* 0F E5 /dm */ { BxPrefixSSE, BX_IA_PMULHW_PqQq, BxOpcodeGroupSSE_0fe5 },
2431   /* 0F E6 /dm */ { BxPrefixSSE, BX_IA_ERROR, BxOpcodeGroupSSE_0fe6 },
2432   /* 0F E7 /dm */ { BxPrefixSSE, BX_IA_MOVNTQ_MqPq, BxOpcodeGroupSSE_0fe7M },
2433   /* 0F E8 /dm */ { BxPrefixSSE, BX_IA_PSUBSB_PqQq, BxOpcodeGroupSSE_0fe8 },
2434   /* 0F E9 /dm */ { BxPrefixSSE, BX_IA_PSUBSW_PqQq, BxOpcodeGroupSSE_0fe9 },
2435   /* 0F EA /dm */ { BxPrefixSSE, BX_IA_PMINSW_PqQq, BxOpcodeGroupSSE_0fea },
2436   /* 0F EB /dm */ { BxPrefixSSE, BX_IA_POR_PqQq, BxOpcodeGroupSSE_0feb },
2437   /* 0F EC /dm */ { BxPrefixSSE, BX_IA_PADDSB_PqQq, BxOpcodeGroupSSE_0fec },
2438   /* 0F ED /dm */ { BxPrefixSSE, BX_IA_PADDSW_PqQq, BxOpcodeGroupSSE_0fed },
2439   /* 0F EE /dm */ { BxPrefixSSE, BX_IA_PMAXSW_PqQq, BxOpcodeGroupSSE_0fee },
2440   /* 0F EF /dm */ { BxPrefixSSE, BX_IA_PXOR_PqQq, BxOpcodeGroupSSE_0fef },
2441   /* 0F F0 /dm */ { BxPrefixSSE, BX_IA_ERROR, BxOpcodeGroupSSE_0ff0M },
2442   /* 0F F1 /dm */ { BxPrefixSSE, BX_IA_PSLLW_PqQq, BxOpcodeGroupSSE_0ff1 },
2443   /* 0F F2 /dm */ { BxPrefixSSE, BX_IA_PSLLD_PqQq, BxOpcodeGroupSSE_0ff2 },
2444   /* 0F F3 /dm */ { BxPrefixSSE, BX_IA_PSLLQ_PqQq, BxOpcodeGroupSSE_0ff3 },
2445   /* 0F F4 /dm */ { BxPrefixSSE, BX_IA_PMULUDQ_PqQq, BxOpcodeGroupSSE_0ff4 },
2446   /* 0F F5 /dm */ { BxPrefixSSE, BX_IA_PMADDWD_PqQq, BxOpcodeGroupSSE_0ff5 },
2447   /* 0F F6 /dm */ { BxPrefixSSE, BX_IA_PSADBW_PqQq, BxOpcodeGroupSSE_0ff6 },
2448   /* 0F F7 /dm */ { 0, BX_IA_ERROR }, // MASKMOV SSE group
2449   /* 0F F8 /dm */ { BxPrefixSSE, BX_IA_PSUBB_PqQq, BxOpcodeGroupSSE_0ff8 },
2450   /* 0F F9 /dm */ { BxPrefixSSE, BX_IA_PSUBW_PqQq, BxOpcodeGroupSSE_0ff9 },
2451   /* 0F FA /dm */ { BxPrefixSSE, BX_IA_PSUBD_PqQq, BxOpcodeGroupSSE_0ffa },
2452   /* 0F FB /dm */ { BxPrefixSSE, BX_IA_PSUBQ_PqQq, BxOpcodeGroupSSE_0ffb },
2453   /* 0F FC /dm */ { BxPrefixSSE, BX_IA_PADDB_PqQq, BxOpcodeGroupSSE_0ffc },
2454   /* 0F FD /dm */ { BxPrefixSSE, BX_IA_PADDW_PqQq, BxOpcodeGroupSSE_0ffd },
2455   /* 0F FE /dm */ { BxPrefixSSE, BX_IA_PADDD_PqQq, BxOpcodeGroupSSE_0ffe },
2456   /* 0F FF /dm */ { 0, BX_IA_ERROR }
2457 };
2458
2459 enum {
2460   BX_RESOLVE16,
2461   BX_RESOLVE32_BASE,
2462   BX_RESOLVE32_BASE_INDEX,
2463   BX_RESOLVE_NONE
2464 };
2465
2466   unsigned BX_CPP_AttrRegparmN(3)
2467 BX_CPU_C::fetchDecode32(const Bit8u *iptr, bxInstruction_c *i, unsigned remainingInPage)
2468 {
2469   // remain must be at least 1
2470   unsigned remain = (remainingInPage < 15) ? remainingInPage : 15;
2471
2472   bx_bool is_32, lock=0;
2473   unsigned b1, b2, ilen=0, attr, os_32, ia_opcode = 0;
2474   unsigned imm_mode, offset, resolve = BX_RESOLVE_NONE;
2475   unsigned rm = 0, mod=0, nnn=0;
2476   unsigned seg = BX_SEG_REG_DS, seg_override = BX_SEG_REG_NULL;
2477
2478 #define SSE_PREFIX_NONE 0
2479 #define SSE_PREFIX_66   1
2480 #define SSE_PREFIX_F2   2
2481 #define SSE_PREFIX_F3   3
2482   unsigned sse_prefix = SSE_PREFIX_NONE;
2483
2484   os_32 = is_32 =
2485     BX_CPU_THIS_PTR sregs[BX_SEG_REG_CS].cache.u.segment.d_b;
2486
2487   i->ResolveModrm = 0;
2488   i->init(/*os32*/ is_32,  /*as32*/ is_32,
2489           /*os64*/     0,  /*as64*/     0);
2490
2491   offset = os_32 << 9; // * 512
2492
2493 fetch_b1:
2494   b1 = *iptr++;
2495   ilen++;
2496
2497   switch (b1) {
2498     case 0x0f: // 2-byte escape
2499       if (ilen < remain) {
2500         ilen++;
2501         b1 = 0x100 | *iptr++;
2502         break;
2503       }
2504       return(0);
2505     case 0x66: // OpSize
2506       os_32 = !is_32;
2507       offset = os_32 << 9;
2508       if(!sse_prefix) sse_prefix = SSE_PREFIX_66;
2509       i->setOs32B(os_32);
2510       if (ilen < remain) {
2511         goto fetch_b1;
2512       }
2513       return(0);
2514     case 0x67: // AddrSize
2515       i->setAs32B(!is_32);
2516       if (ilen < remain) {
2517         goto fetch_b1;
2518       }
2519       return(0);
2520     case 0xf2: // REPNE/REPNZ
2521     case 0xf3: // REP/REPE/REPZ
2522       sse_prefix = b1 & 0xf;
2523       i->setRepUsed(b1 & 3);
2524       if (ilen < remain) {
2525         goto fetch_b1;
2526       }
2527       return(0);
2528     case 0x26: // ES:
2529     case 0x2e: // CS:
2530     case 0x36: // SS:
2531     case 0x3e: // DS:
2532       seg_override = (b1 >> 3) & 3;
2533       if (ilen < remain) {
2534         goto fetch_b1;
2535       }
2536       return(0);
2537     case 0x64: // FS:
2538     case 0x65: // GS:
2539       seg_override = (b1 & 0xf);
2540       if (ilen < remain) {
2541         goto fetch_b1;
2542       }
2543       return(0);
2544     case 0xf0: // LOCK:
2545       lock = 1;
2546       if (ilen < remain) {
2547         goto fetch_b1;
2548       }
2549       return(0);
2550     default:
2551       break;
2552   }
2553
2554   attr = BxOpcodeInfo32R[b1+offset].Attr;
2555
2556   if (BxOpcodeHasModrm32[b1]) {
2557
2558 #if (BX_SUPPORT_SSE >= 4) || (BX_SUPPORT_SSE >= 3 && BX_SUPPORT_SSE_EXTENSION > 0)
2559     unsigned b3 = 0;
2560     // handle 3-byte escape
2561     if ((attr & BxGroupX) == Bx3ByteOp) {
2562       if (ilen < remain) {
2563         ilen++;
2564         b3 = *iptr++;
2565       }
2566       else
2567         return(0);
2568     }
2569 #endif
2570
2571     // opcode requires modrm byte
2572     if (ilen < remain) {
2573       ilen++;
2574       b2 = *iptr++;
2575     }
2576     else
2577       return(0);
2578
2579     // Parse mod-nnn-rm and related bytes
2580     mod = b2 & 0xc0; // leave unshifted
2581     nnn = (b2 >> 3) & 0x7;
2582     rm  = b2 & 0x7;
2583
2584     // MOVs with CRx and DRx always use register ops and ignore the mod field.
2585     if ((b1 & ~3) == 0x120)
2586       mod = 0xc0;
2587
2588     i->setModRM(b2);
2589     i->setNnn(nnn);
2590
2591     if (mod == 0xc0) { // mod == 11b
2592       i->assertModC0();
2593       i->setRm(rm);
2594       goto modrm_done;
2595     }
2596
2597     i->setRm(BX_TMP_REGISTER);
2598     i->setSibBase(rm);      // initialize with rm to use BxResolve32Base
2599     i->setSibIndex(BX_NIL_REGISTER);
2600     // initialize displ32 with zero to include cases with no diplacement
2601     i->modRMForm.displ32u = 0;
2602
2603     if (i->as32L()) {
2604       // 32-bit addressing modes; note that mod==11b handled above
2605       resolve = BX_RESOLVE32_BASE;
2606       i->ResolveModrm = &BX_CPU_C::BxResolve32Base;
2607       if (rm != 4) { // no s-i-b byte
2608         if (mod == 0x00) { // mod == 00b
2609           if (rm == 5) {
2610             i->setSibBase(BX_NIL_REGISTER);
2611             if ((ilen+3) < remain) {
2612               i->modRMForm.displ32u = FetchDWORD(iptr);
2613               iptr += 4;
2614               ilen += 4;
2615             }
2616             else return(0);
2617           }
2618           // mod==00b, rm!=4, rm!=5
2619           goto modrm_done;
2620         }
2621         seg = sreg_mod01or10_rm32[rm];
2622         if (mod == 0x40) { // mod == 01b
2623           if (ilen < remain) {
2624             // 8 sign extended to 32
2625             i->modRMForm.displ32u = (Bit8s) *iptr++;
2626             ilen++;
2627             goto modrm_done;
2628           }
2629           else return(0);
2630         }
2631         // (mod == 0x80) mod == 10b
2632         if ((ilen+3) < remain) {
2633           i->modRMForm.displ32u = FetchDWORD(iptr);
2634           iptr += 4;
2635           ilen += 4;
2636         }
2637         else {
2638           return(0);
2639         }
2640         goto modrm_done;
2641       }
2642       else { // mod!=11b, rm==4, s-i-b byte follows
2643         unsigned sib, base, index, scale;
2644         if (ilen < remain) {
2645           sib = *iptr++;
2646           ilen++;
2647         }
2648         else {
2649           return(0);
2650         }
2651         base  = sib & 0x7; sib >>= 3;
2652         index = sib & 0x7; sib >>= 3;
2653         scale = sib;
2654         i->setSibScale(scale);
2655         i->setSibBase(base);
2656         if (index != 4) {
2657           resolve = BX_RESOLVE32_BASE_INDEX;
2658           i->ResolveModrm = &BX_CPU_C::BxResolve32BaseIndex;
2659           i->setSibIndex(index);
2660         }
2661         if (mod == 0x00) { // mod==00b, rm==4
2662           seg = sreg_mod0_base32[base];
2663           if (base == 0x05) {
2664             i->setSibBase(BX_NIL_REGISTER);
2665             if ((ilen+3) < remain) {
2666               i->modRMForm.displ32u = FetchDWORD(iptr);
2667               iptr += 4;
2668               ilen += 4;
2669             }
2670             else {
2671               return(0);
2672             }
2673           }
2674           // mod==00b, rm==4, base!=5
2675           goto modrm_done;
2676         }
2677         seg = sreg_mod1or2_base32[base];
2678         if (mod == 0x40) { // mod==01b, rm==4
2679           if (ilen < remain) {
2680             // 8 sign extended to 32
2681             i->modRMForm.displ32u = (Bit8s) *iptr++;
2682             ilen++;
2683             goto modrm_done;
2684           }
2685           else {
2686             return(0);
2687           }
2688           goto modrm_done;
2689         }
2690         // (mod == 0x80),   mod==10b, rm==4
2691         if ((ilen+3) < remain) {
2692           i->modRMForm.displ32u = FetchDWORD(iptr);
2693           iptr += 4;
2694           ilen += 4;
2695         }
2696         else {
2697           return(0);
2698         }
2699         goto modrm_done;
2700       }
2701     }
2702     else {
2703       // 16-bit addressing modes, mod==11b handled above
2704       resolve = BX_RESOLVE16;
2705       i->ResolveModrm = &BX_CPU_C::BxResolve16BaseIndex;
2706       i->setSibBase(Resolve16BaseReg[rm]);
2707       i->setSibIndex(Resolve16IndexReg[rm]);
2708       if (mod == 0x00) { // mod == 00b
2709         seg = sreg_mod00_rm16[rm];
2710         if (rm == 0x06) {
2711           i->setSibBase(BX_NIL_REGISTER);
2712           if ((ilen+1) < remain) {
2713             i->modRMForm.displ16u = FetchWORD(iptr);
2714             iptr += 2;
2715             ilen += 2;
2716             goto modrm_done;
2717           }
2718           else return(0);
2719         }
2720         goto modrm_done;
2721       }
2722       seg = sreg_mod01or10_rm16[rm];
2723       if (mod == 0x40) { // mod == 01b
2724         if (ilen < remain) {
2725           // 8 sign extended to 16
2726           i->modRMForm.displ16u = (Bit8s) *iptr++;
2727           ilen++;
2728           goto modrm_done;
2729         }
2730         else return(0);
2731       }
2732       // (mod == 0x80)      mod == 10b
2733       if ((ilen+1) < remain) {
2734         i->modRMForm.displ16u = FetchWORD(iptr);
2735         iptr += 2;
2736         ilen += 2;
2737       }
2738       else return(0);
2739     }
2740
2741 modrm_done:
2742
2743     // Resolve ExecutePtr and additional opcode Attr
2744     const BxOpcodeInfo_t *OpcodeInfoPtr;
2745     if (mod == 0xc0) {
2746       OpcodeInfoPtr = &(BxOpcodeInfo32R[b1+offset]);
2747       attr = BxOpcodeInfo32R[b1+offset].Attr;
2748     }
2749     else {
2750       OpcodeInfoPtr = &(BxOpcodeInfo32M[b1+offset]);
2751       attr = BxOpcodeInfo32M[b1+offset].Attr;
2752     }
2753
2754     while(attr & BxGroupX) {
2755       Bit32u group = attr & BxGroupX;
2756       attr &= ~BxGroupX;
2757
2758       switch(group) {
2759         case BxGroupN:
2760           OpcodeInfoPtr = &(OpcodeInfoPtr->AnotherArray[nnn]);
2761           break;
2762         case BxRMGroup:
2763           OpcodeInfoPtr = &(OpcodeInfoPtr->AnotherArray[rm]);
2764           break;
2765 #if (BX_SUPPORT_SSE >= 4) || (BX_SUPPORT_SSE >= 3 && BX_SUPPORT_SSE_EXTENSION > 0)
2766         case Bx3ByteOp:
2767           OpcodeInfoPtr = &(OpcodeInfoPtr->AnotherArray[b3]);
2768           break;
2769 #endif
2770         case BxOSizeGrp:
2771           OpcodeInfoPtr = &(OpcodeInfoPtr->AnotherArray[os_32]);
2772           break;
2773         case BxPrefixSSE:
2774           /* For SSE opcodes look into another table
2775                      with the opcode prefixes (NONE, 0x66, 0xF2, 0xF3) */
2776           if (sse_prefix) {
2777             OpcodeInfoPtr = &(OpcodeInfoPtr->AnotherArray[sse_prefix-1]);
2778             break;
2779           }
2780           continue;
2781         case BxFPEscape:
2782           OpcodeInfoPtr = &(OpcodeInfoPtr->AnotherArray[b2 & 0x3f]);
2783           break;
2784         default:
2785           BX_PANIC(("fetchdecode: Unknown opcode group"));
2786       }
2787
2788       /* get additional attributes from group table */
2789       attr |= OpcodeInfoPtr->Attr;
2790     }
2791
2792     ia_opcode = OpcodeInfoPtr->IA;
2793   }
2794   else {
2795     // Opcode does not require a MODRM byte.
2796     // Note that a 2-byte opcode (0F XX) will jump to before
2797     // the if() above after fetching the 2nd byte, so this path is
2798     // taken in all cases if a modrm byte is NOT required.
2799     ia_opcode = BxOpcodeInfo32R[b1+offset].IA;
2800     i->setOpcodeReg(b1 & 7);
2801   }
2802
2803   if (lock) { // lock prefix invalid opcode
2804     // lock prefix not allowed or destination operand is not memory
2805     // mod == 0xc0 can't be BxLockable in fetchdecode tables
2806     if (/*(mod == 0xc0) ||*/ !(attr & BxLockable)) {
2807       BX_INFO(("LOCK prefix unallowed (op1=0x%x, attr=0x%x, mod=0x%x, nnn=%u)", b1, attr, mod, nnn));
2808       // replace execution function with undefined-opcode
2809       ia_opcode = BX_IA_ERROR;
2810     }
2811   }
2812
2813   imm_mode = attr & BxImmediate;
2814   if (imm_mode) {
2815     switch (imm_mode) {
2816       case BxImmediate_I1:
2817         i->modRMForm.Ib = 1;
2818         break;
2819       case BxImmediate_Ib:
2820         if (ilen < remain) {
2821           i->modRMForm.Ib = *iptr;
2822           ilen++;
2823         }
2824         else {
2825           return(0);
2826         }
2827         break;
2828       case BxImmediate_Ib_SE: // Sign extend to OS size
2829         if (ilen < remain) {
2830           Bit8s temp8s = *iptr;
2831           if (i->os32L())
2832             i->modRMForm.Id = (Bit32s) temp8s;
2833           else
2834             i->modRMForm.Iw = (Bit16s) temp8s;
2835           ilen++;
2836         }
2837         else {
2838           return(0);
2839         }
2840         break;
2841       case BxImmediate_Iw:
2842         if ((ilen+1) < remain) {
2843           i->modRMForm.Iw = FetchWORD(iptr);
2844           ilen += 2;
2845         }
2846         else {
2847           return(0);
2848         }
2849         break;
2850       case BxImmediate_Id:
2851         if ((ilen+3) < remain) {
2852           i->modRMForm.Id = FetchDWORD(iptr);
2853           ilen += 4;
2854         }
2855         else {
2856           return(0);
2857         }
2858         break;
2859       case BxImmediate_BrOff8:
2860         if (ilen < remain) {
2861           i->modRMForm.Id = (Bit8s) (*iptr);
2862           ilen++;
2863         }
2864         else {
2865           return(0);
2866         }
2867         break;
2868       case BxImmediate_IwIb:
2869         if ((ilen+1) < remain) {
2870           i->IxIxForm.Iw = FetchWORD(iptr);
2871           iptr += 2;
2872           ilen += 2;
2873         }
2874         else {
2875           return(0);
2876         }
2877         if (ilen < remain) {
2878           i->IxIxForm.Ib2 = *iptr;
2879           ilen++;
2880         }
2881         else {
2882           return(0);
2883         }
2884         break;
2885       case BxImmediate_IwIw: // CALL_Ap
2886         if ((ilen+1) < remain) {
2887           i->IxIxForm.Iw = FetchWORD(iptr);
2888           iptr += 2;
2889           ilen += 2;
2890         }
2891         else {
2892           return(0);
2893         }
2894         if ((ilen+1) < remain) {
2895           i->IxIxForm.Iw2 = FetchWORD(iptr);
2896           ilen += 2;
2897         }
2898         else {
2899           return(0);
2900         }
2901         break;
2902       case BxImmediate_IdIw: // CALL_Ap
2903         if ((ilen+3) < remain) {
2904           i->IxIxForm.Id = FetchDWORD(iptr);
2905           iptr += 4;
2906           ilen += 4;
2907         }
2908         else {
2909           return(0);
2910         }
2911         if ((ilen+1) < remain) {
2912           i->IxIxForm.Iw2 = FetchWORD(iptr);
2913           ilen += 2;
2914         }
2915         else {
2916           return(0);
2917         }
2918         break;
2919       case BxImmediate_O:
2920         // For is which embed the address in the opcode.
2921         if (i->as32L()) {
2922           // fetch 32bit address into Id
2923           if ((ilen+3) < remain) {
2924             i->modRMForm.Id = FetchDWORD(iptr);
2925             ilen += 4;
2926           }
2927           else return(0);
2928         }
2929         else {
2930           // fetch 16bit address into Id
2931           if ((ilen+1) < remain) {
2932             i->modRMForm.Id = (Bit32u) FetchWORD(iptr);
2933             ilen += 2;
2934           }
2935           else return(0);
2936         }
2937         break;
2938       default:
2939         BX_INFO(("b1 was %x", b1));
2940         BX_PANIC(("fetchdecode: imm_mode = %u", imm_mode));
2941     }
2942   }
2943
2944 #if BX_SUPPORT_3DNOW
2945   if(b1 == 0x10f)
2946      ia_opcode = Bx3DNowOpcodeInfo[i->modRMForm.Ib].IA;
2947 #endif
2948
2949   if (! BX_NULL_SEG_REG(seg_override))
2950      seg = seg_override;
2951   i->setSeg(seg);
2952
2953 #if BX_SUPPORT_TRACE_CACHE
2954   if ((attr & BxTraceEnd) || ia_opcode == BX_IA_ERROR)
2955      i->setStopTraceAttr();
2956 #endif
2957
2958   if (attr & BxArithDstRM) {
2959     i->setRm(nnn);
2960     i->setNnn(rm);
2961   }
2962
2963   i->execute  = BxOpcodesTable[ia_opcode].execute1;
2964   i->execute2 = BxOpcodesTable[ia_opcode].execute2;
2965
2966   i->setB1(b1);
2967   i->setILen(ilen);
2968
2969 #if BX_INSTRUMENTATION
2970   i->ia_opcode = ia_opcode;
2971 #endif
2972
2973   if (i->execute2 != NULL) {
2974     optimize32(i, resolve);
2975   }
2976
2977   return(1);
2978 }
2979
2980 void BX_CPP_AttrRegparmN(2) BX_CPU_C::optimize32(bxInstruction_c *i, unsigned resolve)
2981 {
2982   // LOAD speedups
2983   static const BxExecutePtr_tR BxTableLoad32_Eb[3] = {
2984     &BX_CPU_C::LOAD_Eb_Resolve16BaseIndex,
2985     &BX_CPU_C::LOAD_Eb_Resolve32Base,
2986     &BX_CPU_C::LOAD_Eb_Resolve32BaseIndex
2987   };
2988
2989   static const BxExecutePtr_tR BxTableLoad32_Ew[3] = {
2990     &BX_CPU_C::LOAD_Ew_Resolve16BaseIndex,
2991     &BX_CPU_C::LOAD_Ew_Resolve32Base,
2992     &BX_CPU_C::LOAD_Ew_Resolve32BaseIndex
2993   };
2994
2995   static const BxExecutePtr_tR BxTableLoad32_Ed[3] = {
2996     &BX_CPU_C::LOAD_Ed_Resolve16BaseIndex,
2997     &BX_CPU_C::LOAD_Ed_Resolve32Base,
2998     &BX_CPU_C::LOAD_Ed_Resolve32BaseIndex
2999   };
3000
3001 #if BX_CPU_LEVEL >= 4 && BX_SUPPORT_ALIGNMENT_CHECK
3002   if (! BX_CPU_THIS_PTR alignment_check())
3003 #endif
3004   {
3005     if (i->execute == &BX_CPU_C::LOAD_Eb)
3006       i->execute = BxTableLoad32_Eb[resolve];
3007     else if (i->execute == &BX_CPU_C::LOAD_Ew)
3008       i->execute = BxTableLoad32_Ew[resolve];
3009     else if (i->execute == &BX_CPU_C::LOAD_Ed)
3010       i->execute = BxTableLoad32_Ed[resolve];
3011   }
3012 }
3013
3014 void BX_CPP_AttrRegparmN(1) BX_CPU_C::BxError(bxInstruction_c *i)
3015 {
3016   BX_DEBUG(("BxError: Encountered an unknown instruction b1=0x%02x (signalling #UD)", i->b1()));
3017   BX_DEBUG(("modrm was 0x%02x, nnn was %u, rm was %u", i->modrm(), i->nnn(), i->rm()));
3018
3019 #if BX_DISASM && BX_DEBUGGER == 0 // with debugger it easy to see the #UD
3020   if (LOG_THIS getonoff(LOGLEV_DEBUG))
3021     debug_disasm_instruction(BX_CPU_THIS_PTR prev_rip);
3022 #endif
3023
3024   exception(BX_UD_EXCEPTION, 0, 0);
3025 }