sdcc/sdas/aspdk/pdk.h

   1 /* pdk.h */
   2
   3 /*
   4  *  Copyright (C) 1998-2009  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  *   This Assember Ported by
  25  *      John L. Hartman (JLH)
  26  *      jhartman at compuserve dot com
  27  *      noice at noicedebugger dot com
  28  *
  29  */
  30
  31 /* Contains common functionality for the pdk architecture. */
  32
  33 #include <stdbool.h>
  34 /*
  35  * Instructions.
  36  */
  37 #define S_MOV     50
  38 #define S_LDT16   51
  39 #define S_STT16   52
  40 #define S_IDXM    53
  41 #define S_XCH     54
  42 #define S_PUSHAF  55
  43 #define S_POPAF   56
  44 #define S_ADD     57
  45 #define S_ADDC    58
  46 #define S_SUB     59
  47 #define S_SUBC    60
  48 #define S_INC     61
  49 #define S_DEC     62
  50 #define S_CLEAR   63
  51 #define S_SR      64
  52 #define S_SRC     65
  53 #define S_SL      66
  54 #define S_SLC     67
  55 #define S_SWAP    68
  56 #define S_AND     69
  57 #define S_OR      70
  58 #define S_XOR     71
  59 #define S_NOT     72
  60 #define S_NEG     73
  61 #define S_SET0    74
  62 #define S_SET1    75
  63 #define S_CEQSN   76
  64 #define S_T0SN    77
  65 #define S_T1SN    78
  66 #define S_IZSN    79
  67 #define S_DZSN    80
  68 #define S_CALL    81
  69 #define S_GOTO    82
  70 #define S_RET     83
  71 #define S_RETI    84
  72 #define S_NOP     85
  73 #define S_PCADD   86
  74 #define S_ENGINT  87
  75 #define S_DISGINT 88
  76 #define S_STOPSYS 89
  77 #define S_STOPEXE 90
  78 #define S_RESET   91
  79 #define S_WDRESET 92
  80 #define S_SWAPC   93  /* not on pdk13 */
  81 #define S_CNEQSN  94
  82 #define S_LDSPTL  95
  83 #define S_LDSPTH  96
  84 #define S_NADD    97  /* not on pdk13 */
  85 #define S_COMP    98  /* not on pdk13 */
  86 #define S_MUL     99
  87 #define S_DELAY   100 /* not on pdk15 */
  88 #define S_PMODE   101 /* not on pdk15 */
  89 #define S_POPWPC  102 /* not on pdk15 */
  90 #define S_PUSHWPC 103 /* not on pdk15 */
  91 #define S_PUSHW   104 /* not on pdk15 */
  92 #define S_POPW    105 /* not on pdk15 */
  93 #define S_IGOTO   106 /* not on pdk15 */
  94 #define S_ICALL   107 /* not on pdk15 */
  95 #define S_LDTABL  108 /* not on pdk14 */
  96 #define S_LDTABH  109 /* not on pdk14 */
  97 #define S_TOG     110 /* not on pdk15 */
  98 #define S_WAIT0   111 /* not on pdk15 */
  99 #define S_WAIT1   112 /* not on pdk15 */
 100 #define S_NMOV    113 /* not on pdk15 */
 101
 102 /*
 103  * Addressing modes.
 104  */
 105 #define S_K    31
 106 #define S_A    32
 107 #define S_M    33
 108 #define S_IO   34
 109
 110 #define PDK_OPCODE_ADR_IO 0x80000000
 111 #define PDK_OPCODE_MASK     0xFFFFFF
 112
 113 struct inst {
 114         a_uint op;    /* opcode of instruction */
 115         a_uint mask;  /* mask of parameter for instruction */
 116 };
 117
 118 #ifdef OTHERSYSTEM
 119
 120 /* Codegen functions to emit instructions. */
 121 extern VOID emov(a_uint op,
 122           struct inst def,
 123           struct inst ioa,
 124           struct inst aio,
 125           struct inst ma,
 126           struct inst am);
 127 extern VOID eidxm(struct inst am, struct inst ma);
 128 extern VOID earith(struct inst def, struct inst ma, struct inst am);
 129 extern VOID earithc(struct inst ma, struct inst am, struct inst m, struct inst a);
 130 extern VOID eshift(struct inst a, struct inst m);
 131 extern VOID ebit(a_uint op, struct inst def, struct inst ma, struct inst am, struct inst *ioa);
 132 extern VOID enot(struct inst def, struct inst m);
 133 extern VOID ebitn(a_uint op, struct inst io, struct inst m, int offset);
 134 extern VOID eskip(struct inst def, struct inst m);
 135 extern VOID ezsn(struct inst def, struct inst m);
 136 extern VOID eret(struct inst def, struct inst k);
 137 extern VOID eone(struct inst m);
 138 extern VOID exch(struct inst m);
 139 extern VOID epupo(struct inst def);
 140 extern VOID eopta(struct inst def);
 141 extern VOID eswapc(a_uint op, struct inst iok, int offset);
 142 extern VOID espec(struct inst am, struct inst ma);
 143
 144 extern int addr(struct expr *esp, bool ioAdr);
 145 extern int pdkbit(struct expr *esp);
 146
 147 /* Addressing parsing */
 148
 149 #else
 150
 151 /* Codegen functions to emit instructions. */
 152 extern VOID emov();
 153 extern VOID eidxm();
 154 extern VOID earith();
 155 extern VOID earithc();
 156 extern VOID eshift();
 157 extern VOID ebit();
 158 extern VOID enot();
 159 extern VOID ebitn();
 160 extern VOID eskip();
 161 extern VOID ezsn();
 162 extern VOID eret();
 163 extern VOID eone();
 164 extern VOID exch();
 165 extern VOID epupo();
 166 extern VOID eopta();
 167 extern VOID eswapc();
 168 extern VOID espec();
 169
 170 extern int addr();
 171 extern int pdkbit();
 172
 173 #endif