sdcc/sdas/asz80/z80.h

   1 /* z80.h */
   2
   3 /*
   4  *  Copyright (C) 1989-2009  Alan R. Baldwin
   5  *
   6  *  This program is free software: you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License as published by
   8  *  the Free Software Foundation, either version 3 of the License, or
   9  *  (at your option) any later version.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18  *
  19  *
  20  * Alan R. Baldwin
  21  * 721 Berkeley St.
  22  * Kent, Ohio  44240
  23  */
  24
  25 /*
  26  * Extensions: P. Felber
  27  */
  28
  29 /*)BUILD
  30         $(PROGRAM) =    ASZ80
  31         $(INCLUDE) = {
  32                 ASXXXX.H
  33                 Z80.H
  34         }
  35         $(FILES) = {
  36                 Z80MCH.C
  37                 Z80ADR.C
  38                 Z80PST.C
  39                 ASMAIN.C
  40                 ASDBG.C
  41                 ASLEX.C
  42                 ASSYM.C
  43                 ASSUBR.C
  44                 ASEXPR.C
  45                 ASDATA.C
  46                 ASLIST.C
  47                 ASOUT.C
  48         }
  49         $(STACK) = 3000
  50 */
  51
  52 /*
  53  * Indirect Addressing delimeters
  54  */
  55 #define LFIND   '('
  56 #define RTIND   ')'
  57
  58 /*
  59  * Registers
  60  */
  61 #define B       0
  62 #define C       1
  63 #define D       2
  64 #define E       3
  65 #define H       4
  66 #define L       5
  67 #define A       7
  68
  69 #define I       0107
  70 #define R       0117
  71
  72 #define X       8       /* for ZXN pop x */
  73 #define MB      9       /* for eZ80 */
  74
  75 #define BC      0
  76 #define DE      1
  77 #define HL      2
  78 #define SP      3
  79 #define AF      4
  80 #define IX      5
  81 #define IY      6
  82
  83 /*
  84  * Conditional definitions
  85  */
  86 #define NZ      0
  87 #define Z       1
  88 #define NC      2
  89 #define CS      3
  90 #define PO      4
  91 #define PE      5
  92 #define P       6
  93 #define M       7
  94
  95 /*
  96  * Symbol types
  97  */
  98 #define S_IMMED 30
  99 #define S_R8    31
 100 #define S_R8X   32
 101 #define S_R16   33
 102 #define S_R16X  34
 103 #define S_CND   35
 104 #define S_FLAG  36
 105 #define S_R8U1  37
 106 #define S_R8U2  38
 107 #define S_R8MB  39
 108
 109 /*
 110  * Indexing modes
 111  */
 112 #define S_INDB  40
 113 #define S_IDC   41
 114 #define S_INDR  50
 115 #define S_IDBC  50
 116 #define S_IDDE  51
 117 #define S_IDHL  52
 118 #define S_IDSP  53
 119 #define S_IDIX  55
 120 #define S_IDIY  56
 121 #define S_INDM  57
 122
 123 /*
 124  * Undocumented instructions
 125  */
 126
 127 #define X_UNDOCD 58
 128 #define S_RL_UNDOCD  59
 129
 130 /*
 131  * Instruction types
 132  */
 133 #define S_LD    60
 134 #define S_CALL  61
 135 #define S_JP    62
 136 #define S_JR    63
 137 #define S_RET   64
 138 #define S_BIT   65
 139 #define S_INC   66
 140 #define S_DEC   67
 141 #define S_ADD   68
 142 #define S_ADC   69
 143 #define S_AND   70
 144 #define S_EX    71
 145 #define S_PUSH  72
 146 #define S_IN    73
 147 #define S_OUT   74
 148 #define S_RL    75
 149 #define S_RST   76
 150 #define S_IM    77
 151 #define S_INH1  78
 152 #define S_INH2  79
 153 #define S_DJNZ  80
 154 #define S_SUB   81
 155 #define S_SBC   82
 156
 157 /*
 158  * CPU Types
 159  */
 160 #define S_CPU   84
 161
 162 /*
 163  * HD64180 Instructions
 164  */
 165 #define X_INH2  90
 166 #define X_IN    91
 167 #define X_OUT   92
 168 #define X_MLT   93
 169 #define X_TST   94
 170 #define X_TSTIO 95
 171
 172 /*
 173  * Processor Types (S_CPU)
 174  */
 175 #define X_Z80   0
 176 #define X_HD64  1
 177 #define X_ZXN   2
 178 #define X_EZ80  3
 179 #define X_R800  4
 180
 181 /*
 182  * Z80-ZX Next Instructions
 183  */
 184 #define X_ZXN_INH2      100
 185 #define X_ZXN_MUL       101
 186 #define X_ZXN_MIRROR    102
 187 #define X_ZXN_NEXTREG   103
 188 #define X_ZXN_CU_WAIT   104
 189 #define X_ZXN_CU_MOVE   105
 190 #define X_ZXN_CU_STOP   106
 191 #define X_ZXN_CU_NOP    107
 192
 193 /*
 194  * eZ80 Instructions
 195  */
 196 #define X_EZ_ADL        110
 197 #define X_EZ_INH2       111
 198 #define X_EZ_LEA        112
 199 #define X_EZ_PEA        113
 200
 201 /*
 202  * R800/Z280 Instructions
 203  */
 204 #define X_Z280_MULTU   120
 205 #define X_Z280_MULTUW  121
 206
 207 /*
 208  * eZ80 specific addressing extensions (used in mne m_flag)
 209  */
 210 #define M_L             0x01
 211 #define M_S             0x02
 212 #define M_IL            0x04
 213 #define M_IS            0x08
 214 #define M_LIL           (M_L | M_IL)
 215 #define M_LIS           (M_L | M_IS)
 216 #define M_SIL           (M_S | M_IL)
 217 #define M_SIS           (M_S | M_IS)
 218
 219 /*
 220  * Extended Addressing Modes
 221  */
 222 #define R_ADL   0x0000          /* 24-Bit Addressing Mode */
 223 #define R_Z80   0x0100          /* 16-Bit Addressing Mode */
 224 #define R_3BIT  0x0200          /*  3-Bit Addressing Mode */
 225
 226 struct adsym
 227 {
 228         char    a_str[4];       /* addressing string */
 229         int     a_val;          /* addressing mode value */
 230 };
 231
 232 extern  struct  adsym   R8[];
 233 extern  struct  adsym   R8X[];
 234 extern  struct  adsym   R8U1[];
 235 extern  struct  adsym   R8U2[];
 236
 237 extern  struct  adsym   R16[];
 238 extern  struct  adsym   R16X[];
 239 extern  struct  adsym   R8MB[];
 240 extern  struct  adsym   RX[];
 241 extern  struct  adsym   CND[];
 242
 243         /* machine dependent functions */
 244
 245 #ifdef  OTHERSYSTEM
 246
 247         /* z80adr.c */
 248 extern  int             addr(struct expr *esp);
 249 extern  int             admode(struct adsym *sp);
 250 extern  int             srch(char *str);
 251
 252         /* z80mch.c */
 253 extern  int             genop(int pop, int op, struct expr *esp, int f);
 254 extern  int             gixiy(int v);
 255 extern  VOID            glilsis(int sfx, struct expr *esp);
 256 extern  VOID            machine(struct mne *mp);
 257 extern  int             mchpcr(struct expr *esp);
 258 extern  VOID            minit(void);
 259
 260 #else
 261
 262         /* z80adr.c */
 263 extern  int             addr();
 264 extern  int             admode();
 265 extern  int             srch();
 266
 267         /* z80mch.c */
 268 extern  int             genop();
 269 extern  int             gixiy();
 270 extern  VOID            glilsis();
 271 extern  VOID            machine();
 272 extern  int             mchpcr();
 273 extern  VOID            minit();
 274
 275 #endif