/* (e.g. move.b a1,(a0) ($1089)) (fix Blood Money on Superior 65) */
-const char ReadCpu_fileid[] = "Hatari readcpu.c : " __DATE__ " " __TIME__;
+//const char ReadCpu_fileid[] = "Hatari readcpu.c : " __DATE__ " " __TIME__;
#include <ctype.h>
#include <string.h>
int nr_cpuop_funcs;
const struct mnemolookup lookuptab[] = {
- { i_ILLG, "ILLEGAL" },
- { i_OR, "OR" },
- { i_CHK, "CHK" },
- { i_CHK2, "CHK2" },
- { i_AND, "AND" },
- { i_EOR, "EOR" },
- { i_ORSR, "ORSR" },
- { i_ANDSR, "ANDSR" },
- { i_EORSR, "EORSR" },
- { i_SUB, "SUB" },
- { i_SUBA, "SUBA" },
- { i_SUBX, "SUBX" },
- { i_SBCD, "SBCD" },
- { i_ADD, "ADD" },
- { i_ADDA, "ADDA" },
- { i_ADDX, "ADDX" },
- { i_ABCD, "ABCD" },
- { i_NEG, "NEG" },
- { i_NEGX, "NEGX" },
- { i_NBCD, "NBCD" },
- { i_CLR, "CLR" },
- { i_NOT, "NOT" },
- { i_TST, "TST" },
- { i_BTST, "BTST" },
- { i_BCHG, "BCHG" },
- { i_BCLR, "BCLR" },
- { i_BSET, "BSET" },
- { i_CMP, "CMP" },
- { i_CMPM, "CMPM" },
- { i_CMPA, "CMPA" },
- { i_MVPRM, "MVPRM" },
- { i_MVPMR, "MVPMR" },
- { i_MOVE, "MOVE" },
- { i_MOVEA, "MOVEA" },
- { i_MVSR2, "MVSR2" },
- { i_MV2SR, "MV2SR" },
- { i_SWAP, "SWAP" },
- { i_EXG, "EXG" },
- { i_EXT, "EXT" },
- { i_MVMEL, "MVMEL" },
- { i_MVMLE, "MVMLE" },
- { i_TRAP, "TRAP" },
- { i_MVR2USP, "MVR2USP" },
- { i_MVUSP2R, "MVUSP2R" },
- { i_NOP, "NOP" },
- { i_RESET, "RESET" },
- { i_RTE, "RTE" },
- { i_RTD, "RTD" },
- { i_LINK, "LINK" },
- { i_UNLK, "UNLK" },
- { i_RTS, "RTS" },
- { i_STOP, "STOP" },
- { i_TRAPV, "TRAPV" },
- { i_RTR, "RTR" },
- { i_JSR, "JSR" },
- { i_JMP, "JMP" },
- { i_BSR, "BSR" },
- { i_Bcc, "Bcc" },
- { i_LEA, "LEA" },
- { i_PEA, "PEA" },
- { i_DBcc, "DBcc" },
- { i_Scc, "Scc" },
- { i_DIVU, "DIVU" },
- { i_DIVS, "DIVS" },
- { i_MULU, "MULU" },
- { i_MULS, "MULS" },
- { i_ASR, "ASR" },
- { i_ASL, "ASL" },
- { i_LSR, "LSR" },
- { i_LSL, "LSL" },
- { i_ROL, "ROL" },
- { i_ROR, "ROR" },
- { i_ROXL, "ROXL" },
- { i_ROXR, "ROXR" },
- { i_ASRW, "ASRW" },
- { i_ASLW, "ASLW" },
- { i_LSRW, "LSRW" },
- { i_LSLW, "LSLW" },
- { i_ROLW, "ROLW" },
- { i_RORW, "RORW" },
- { i_ROXLW, "ROXLW" },
- { i_ROXRW, "ROXRW" },
-
- { i_MOVE2C, "MOVE2C" },
- { i_MOVEC2, "MOVEC2" },
- { i_CAS, "CAS" },
- { i_CAS2, "CAS2" },
- { i_MULL, "MULL" },
- { i_DIVL, "DIVL" },
- { i_BFTST, "BFTST" },
- { i_BFEXTU, "BFEXTU" },
- { i_BFCHG, "BFCHG" },
- { i_BFEXTS, "BFEXTS" },
- { i_BFCLR, "BFCLR" },
- { i_BFFFO, "BFFFO" },
- { i_BFSET, "BFSET" },
- { i_BFINS, "BFINS" },
- { i_PACK, "PACK" },
- { i_UNPK, "UNPK" },
- { i_TAS, "TAS" },
- { i_BKPT, "BKPT" },
- { i_CALLM, "CALLM" },
- { i_RTM, "RTM" },
- { i_TRAPcc, "TRAPcc" },
- { i_MOVES, "MOVES" },
- { i_FPP, "FPP" },
- { i_FDBcc, "FDBcc" },
- { i_FScc, "FScc" },
- { i_FTRAPcc, "FTRAPcc" },
- { i_FBcc, "FBcc" },
- { i_FBcc, "FBcc" },
- { i_FSAVE, "FSAVE" },
- { i_FRESTORE, "FRESTORE" },
-
- { i_CINVL, "CINVL" },
- { i_CINVP, "CINVP" },
- { i_CINVA, "CINVA" },
- { i_CPUSHL, "CPUSHL" },
- { i_CPUSHP, "CPUSHP" },
- { i_CPUSHA, "CPUSHA" },
- { i_MOVE16, "MOVE16" },
-
- { i_MMUOP, "MMUOP" },
- { i_ILLG, "" },
+ { i_ILLG, "ILLEGAL" },
+ { i_OR, "OR" },
+ { i_CHK, "CHK" },
+ { i_CHK2, "CHK2" },
+ { i_AND, "AND" },
+ { i_EOR, "EOR" },
+ { i_ORSR, "ORSR" },
+ { i_ANDSR, "ANDSR" },
+ { i_EORSR, "EORSR" },
+ { i_SUB, "SUB" },
+ { i_SUBA, "SUBA" },
+ { i_SUBX, "SUBX" },
+ { i_SBCD, "SBCD" },
+ { i_ADD, "ADD" },
+ { i_ADDA, "ADDA" },
+ { i_ADDX, "ADDX" },
+ { i_ABCD, "ABCD" },
+ { i_NEG, "NEG" },
+ { i_NEGX, "NEGX" },
+ { i_NBCD, "NBCD" },
+ { i_CLR, "CLR" },
+ { i_NOT, "NOT" },
+ { i_TST, "TST" },
+ { i_BTST, "BTST" },
+ { i_BCHG, "BCHG" },
+ { i_BCLR, "BCLR" },
+ { i_BSET, "BSET" },
+ { i_CMP, "CMP" },
+ { i_CMPM, "CMPM" },
+ { i_CMPA, "CMPA" },
+ { i_MVPRM, "MVPRM" },
+ { i_MVPMR, "MVPMR" },
+ { i_MOVE, "MOVE" },
+ { i_MOVEA, "MOVEA" },
+ { i_MVSR2, "MVSR2" },
+ { i_MV2SR, "MV2SR" },
+ { i_SWAP, "SWAP" },
+ { i_EXG, "EXG" },
+ { i_EXT, "EXT" },
+ { i_MVMEL, "MVMEL" },
+ { i_MVMLE, "MVMLE" },
+ { i_TRAP, "TRAP" },
+ { i_MVR2USP, "MVR2USP" },
+ { i_MVUSP2R, "MVUSP2R" },
+ { i_NOP, "NOP" },
+ { i_RESET, "RESET" },
+ { i_RTE, "RTE" },
+ { i_RTD, "RTD" },
+ { i_LINK, "LINK" },
+ { i_UNLK, "UNLK" },
+ { i_RTS, "RTS" },
+ { i_STOP, "STOP" },
+ { i_TRAPV, "TRAPV" },
+ { i_RTR, "RTR" },
+ { i_JSR, "JSR" },
+ { i_JMP, "JMP" },
+ { i_BSR, "BSR" },
+ { i_Bcc, "Bcc" },
+ { i_LEA, "LEA" },
+ { i_PEA, "PEA" },
+ { i_DBcc, "DBcc" },
+ { i_Scc, "Scc" },
+ { i_DIVU, "DIVU" },
+ { i_DIVS, "DIVS" },
+ { i_MULU, "MULU" },
+ { i_MULS, "MULS" },
+ { i_ASR, "ASR" },
+ { i_ASL, "ASL" },
+ { i_LSR, "LSR" },
+ { i_LSL, "LSL" },
+ { i_ROL, "ROL" },
+ { i_ROR, "ROR" },
+ { i_ROXL, "ROXL" },
+ { i_ROXR, "ROXR" },
+ { i_ASRW, "ASRW" },
+ { i_ASLW, "ASLW" },
+ { i_LSRW, "LSRW" },
+ { i_LSLW, "LSLW" },
+ { i_ROLW, "ROLW" },
+ { i_RORW, "RORW" },
+ { i_ROXLW, "ROXLW" },
+ { i_ROXRW, "ROXRW" },
+
+ { i_MOVE2C, "MOVE2C" },
+ { i_MOVEC2, "MOVEC2" },
+ { i_CAS, "CAS" },
+ { i_CAS2, "CAS2" },
+ { i_MULL, "MULL" },
+ { i_DIVL, "DIVL" },
+ { i_BFTST, "BFTST" },
+ { i_BFEXTU, "BFEXTU" },
+ { i_BFCHG, "BFCHG" },
+ { i_BFEXTS, "BFEXTS" },
+ { i_BFCLR, "BFCLR" },
+ { i_BFFFO, "BFFFO" },
+ { i_BFSET, "BFSET" },
+ { i_BFINS, "BFINS" },
+ { i_PACK, "PACK" },
+ { i_UNPK, "UNPK" },
+ { i_TAS, "TAS" },
+ { i_BKPT, "BKPT" },
+ { i_CALLM, "CALLM" },
+ { i_RTM, "RTM" },
+ { i_TRAPcc, "TRAPcc" },
+ { i_MOVES, "MOVES" },
+ { i_FPP, "FPP" },
+ { i_FDBcc, "FDBcc" },
+ { i_FScc, "FScc" },
+ { i_FTRAPcc, "FTRAPcc" },
+ { i_FBcc, "FBcc" },
+ { i_FBcc, "FBcc" },
+ { i_FSAVE, "FSAVE" },
+ { i_FRESTORE, "FRESTORE" },
+
+ { i_CINVL, "CINVL" },
+ { i_CINVP, "CINVP" },
+ { i_CINVA, "CINVA" },
+ { i_CPUSHL, "CPUSHL" },
+ { i_CPUSHP, "CPUSHP" },
+ { i_CPUSHA, "CPUSHA" },
+ { i_MOVE16, "MOVE16" },
+
+ { i_MMUOP, "MMUOP" },
+ { i_ILLG, "" },
};
struct instr *table68k;
-STATIC_INLINE amodes mode_from_str (const char *str)
+STATIC_INLINE amodes mode_from_str(const char * str)
{
- if (strncmp (str, "Dreg", 4) == 0) return Dreg;
- if (strncmp (str, "Areg", 4) == 0) return Areg;
- if (strncmp (str, "Aind", 4) == 0) return Aind;
- if (strncmp (str, "Apdi", 4) == 0) return Apdi;
- if (strncmp (str, "Aipi", 4) == 0) return Aipi;
- if (strncmp (str, "Ad16", 4) == 0) return Ad16;
- if (strncmp (str, "Ad8r", 4) == 0) return Ad8r;
- if (strncmp (str, "absw", 4) == 0) return absw;
- if (strncmp (str, "absl", 4) == 0) return absl;
- if (strncmp (str, "PC16", 4) == 0) return PC16;
- if (strncmp (str, "PC8r", 4) == 0) return PC8r;
- if (strncmp (str, "Immd", 4) == 0) return imm;
- abort ();
- return 0;
+ if (strncmp (str, "Dreg", 4) == 0) return Dreg;
+ if (strncmp (str, "Areg", 4) == 0) return Areg;
+ if (strncmp (str, "Aind", 4) == 0) return Aind;
+ if (strncmp (str, "Apdi", 4) == 0) return Apdi;
+ if (strncmp (str, "Aipi", 4) == 0) return Aipi;
+ if (strncmp (str, "Ad16", 4) == 0) return Ad16;
+ if (strncmp (str, "Ad8r", 4) == 0) return Ad8r;
+ if (strncmp (str, "absw", 4) == 0) return absw;
+ if (strncmp (str, "absl", 4) == 0) return absl;
+ if (strncmp (str, "PC16", 4) == 0) return PC16;
+ if (strncmp (str, "PC8r", 4) == 0) return PC8r;
+ if (strncmp (str, "Immd", 4) == 0) return imm;
+
+ abort();
+ return 0;
}
-STATIC_INLINE amodes mode_from_mr (int mode, int reg)
+STATIC_INLINE amodes mode_from_mr(int mode, int reg)
{
- switch (mode) {
- case 0: return Dreg;
- case 1: return Areg;
- case 2: return Aind;
- case 3: return Aipi;
- case 4: return Apdi;
- case 5: return Ad16;
- case 6: return Ad8r;
- case 7:
- switch (reg) {
- case 0: return absw;
- case 1: return absl;
- case 2: return PC16;
- case 3: return PC8r;
- case 4: return imm;
- case 5:
- case 6:
- case 7: return am_illg;
+ switch (mode)
+ {
+ case 0: return Dreg;
+ case 1: return Areg;
+ case 2: return Aind;
+ case 3: return Aipi;
+ case 4: return Apdi;
+ case 5: return Ad16;
+ case 6: return Ad8r;
+ case 7:
+ switch (reg)
+ {
+ case 0: return absw;
+ case 1: return absl;
+ case 2: return PC16;
+ case 3: return PC8r;
+ case 4: return imm;
+ case 5:
+ case 6:
+ case 7: return am_illg;
+ }
}
- }
- abort ();
- return 0;
+
+ abort();
+ return 0;
}
static void build_insn(int insn)
{
- int find = -1;
- int variants;
- int isjmp = 0;
- struct instr_def id;
- const char *opcstr;
- int j;
-
- int flaglive = 0, flagdead = 0;
-
- id = defs68k[insn];
-
- /* Note: We treat anything with unknown flags as a jump. That
- is overkill, but "the programmer" was lazy quite often, and
- *this* programmer can't be bothered to work out what can and
- can't trap. Usually, this will be overwritten with the gencomp
- based information, anyway. */
-
- for (j = 0; j < 5; j++) {
- switch (id.flaginfo[j].flagset){
- case fa_unset: break;
- case fa_isjmp: isjmp = 1; break;
- case fa_isbranch: isjmp = 1; break;
- case fa_zero: flagdead |= 1 << j; break;
- case fa_one: flagdead |= 1 << j; break;
- case fa_dontcare: flagdead |= 1 << j; break;
- case fa_unknown: isjmp = 1; flagdead = -1; goto out1;
- case fa_set: flagdead |= 1 << j; break;
- }
- }
+ int find = -1;
+ int variants;
+ int isjmp = 0;
+ struct instr_def id;
+ const char * opcstr;
+ int j;
- out1:
- for (j = 0; j < 5; j++) {
- switch (id.flaginfo[j].flaguse) {
- case fu_unused: break;
- case fu_isjmp: isjmp = 1; flaglive |= 1 << j; break;
- case fu_maybecc: isjmp = 1; flaglive |= 1 << j; break;
- case fu_unknown: isjmp = 1; flaglive |= 1 << j; break;
- case fu_used: flaglive |= 1 << j; break;
- }
+ int flaglive = 0, flagdead = 0;
+ id = defs68k[insn];
+
+ /* Note: We treat anything with unknown flags as a jump. That
+ is overkill, but "the programmer" was lazy quite often, and
+ *this* programmer can't be bothered to work out what can and
+ can't trap. Usually, this will be overwritten with the gencomp
+ based information, anyway. */
+
+ for(j=0; j<5; j++)
+ {
+ switch (id.flaginfo[j].flagset)
+ {
+ case fa_unset: break;
+ case fa_isjmp: isjmp = 1; break;
+ case fa_isbranch: isjmp = 1; break;
+ case fa_zero: flagdead |= 1 << j; break;
+ case fa_one: flagdead |= 1 << j; break;
+ case fa_dontcare: flagdead |= 1 << j; break;
+ case fa_unknown: isjmp = 1; flagdead = -1; goto out1;
+ case fa_set: flagdead |= 1 << j; break;
+ }
}
- opcstr = id.opcstr;
- for (variants = 0; variants < (1 << id.n_variable); variants++) {
- int bitcnt[lastbit];
- int bitval[lastbit];
- int bitpos[lastbit];
- int i;
- uint16_t opc = id.bits;
- uint16_t msk, vmsk;
- int pos = 0;
- int mnp = 0;
- int bitno = 0;
- char mnemonic[10];
-
- wordsizes sz = sz_long;
- int srcgather = 0, dstgather = 0;
- int usesrc = 0, usedst = 0;
- int srctype = 0;
- int srcpos = -1, dstpos = -1;
-
- amodes srcmode = am_unknown, destmode = am_unknown;
- int srcreg = -1, destreg = -1;
-
- for (i = 0; i < lastbit; i++)
- bitcnt[i] = bitval[i] = 0;
-
- vmsk = 1 << id.n_variable;
-
- for (i = 0, msk = 0x8000; i < 16; i++, msk >>= 1) {
- if (!(msk & id.mask)) {
- int currbit = id.bitpos[bitno++];
- int bit_set;
- vmsk >>= 1;
- bit_set = variants & vmsk ? 1 : 0;
- if (bit_set)
- opc |= msk;
- bitpos[currbit] = 15 - i;
- bitcnt[currbit]++;
- bitval[currbit] <<= 1;
- bitval[currbit] |= bit_set;
- }
+out1:
+ for(j=0; j<5; j++)
+ {
+ switch (id.flaginfo[j].flaguse)
+ {
+ case fu_unused: break;
+ case fu_isjmp: isjmp = 1; flaglive |= 1 << j; break;
+ case fu_maybecc: isjmp = 1; flaglive |= 1 << j; break;
+ case fu_unknown: isjmp = 1; flaglive |= 1 << j; break;
+ case fu_used: flaglive |= 1 << j; break;
+ }
}
- if (bitval[bitj] == 0) bitval[bitj] = 8;
- /* first check whether this one does not match after all */
- if (bitval[bitz] == 3 || bitval[bitC] == 1)
- continue;
- if (bitcnt[bitI] && (bitval[bitI] == 0x00 || bitval[bitI] == 0xff))
- continue;
+ opcstr = id.opcstr;
- /* bitI and bitC get copied to biti and bitc */
- if (bitcnt[bitI]) {
- bitval[biti] = bitval[bitI]; bitpos[biti] = bitpos[bitI];
- }
- if (bitcnt[bitC])
- bitval[bitc] = bitval[bitC];
+ for(variants=0; variants<(1 << id.n_variable); variants++)
+ {
+ int bitcnt[lastbit];
+ int bitval[lastbit];
+ int bitpos[lastbit];
+ int i;
+ uint16_t opc = id.bits;
+ uint16_t msk, vmsk;
+ int pos = 0;
+ int mnp = 0;
+ int bitno = 0;
+ char mnemonic[10];
- pos = 0;
- while (opcstr[pos] && !isspace((unsigned)opcstr[pos])) {
- if (opcstr[pos] == '.') {
- pos++;
- switch (opcstr[pos]) {
-
- case 'B': sz = sz_byte; break;
- case 'W': sz = sz_word; break;
- case 'L': sz = sz_long; break;
- case 'z':
- switch (bitval[bitz]) {
- case 0: sz = sz_byte; break;
- case 1: sz = sz_word; break;
- case 2: sz = sz_long; break;
- default: abort();
- }
- break;
- default: abort();
- }
- } else {
- mnemonic[mnp] = opcstr[pos];
- if (mnemonic[mnp] == 'f') {
- find = -1;
- switch (bitval[bitf]) {
- case 0: mnemonic[mnp] = 'R'; break;
- case 1: mnemonic[mnp] = 'L'; break;
- default: abort();
- }
- }
- mnp++;
- }
- pos++;
- }
- mnemonic[mnp] = 0;
-
- /* now, we have read the mnemonic and the size */
- while (opcstr[pos] && isspace((unsigned)opcstr[pos]))
- pos++;
-
- /* A goto a day keeps the D******a away. */
- if (opcstr[pos] == 0)
- goto endofline;
-
- /* parse the source address */
- usesrc = 1;
- switch (opcstr[pos++]) {
- case 'D':
- srcmode = Dreg;
- switch (opcstr[pos++]) {
- case 'r': srcreg = bitval[bitr]; srcgather = 1; srcpos = bitpos[bitr]; break;
- case 'R': srcreg = bitval[bitR]; srcgather = 1; srcpos = bitpos[bitR]; break;
- default: abort();
- }
-
- break;
- case 'A':
- srcmode = Areg;
- switch (opcstr[pos++]) {
- case 'r': srcreg = bitval[bitr]; srcgather = 1; srcpos = bitpos[bitr]; break;
- case 'R': srcreg = bitval[bitR]; srcgather = 1; srcpos = bitpos[bitR]; break;
- default: abort();
- }
- switch (opcstr[pos]) {
- case 'p': srcmode = Apdi; pos++; break;
- case 'P': srcmode = Aipi; pos++; break;
- }
- break;
- case 'L':
- srcmode = absl;
- break;
- case '#':
- switch (opcstr[pos++]) {
- case 'z': srcmode = imm; break;
- case '0': srcmode = imm0; break;
- case '1': srcmode = imm1; break;
- case '2': srcmode = imm2; break;
- case 'i': srcmode = immi; srcreg = (int32_t)(int8_t)bitval[biti];
- if (CPU_EMU_SIZE < 4) {
- /* Used for branch instructions */
- srctype = 1;
- srcgather = 1;
- srcpos = bitpos[biti];
- }
- break;
- case 'j': srcmode = immi; srcreg = bitval[bitj];
- if (CPU_EMU_SIZE < 3) {
- /* 1..8 for ADDQ/SUBQ and rotshi insns */
- srcgather = 1;
- srctype = 3;
- srcpos = bitpos[bitj];
- }
- break;
- case 'J': srcmode = immi; srcreg = bitval[bitJ];
- if (CPU_EMU_SIZE < 5) {
- /* 0..15 */
- srcgather = 1;
- srctype = 2;
- srcpos = bitpos[bitJ];
- }
- break;
- case 'k': srcmode = immi; srcreg = bitval[bitk];
- if (CPU_EMU_SIZE < 3) {
- srcgather = 1;
- srctype = 4;
- srcpos = bitpos[bitk];
- }
- break;
- case 'K': srcmode = immi; srcreg = bitval[bitK];
- if (CPU_EMU_SIZE < 5) {
- /* 0..15 */
- srcgather = 1;
- srctype = 5;
- srcpos = bitpos[bitK];
+ wordsizes sz = sz_long;
+ int srcgather = 0, dstgather = 0;
+ int usesrc = 0, usedst = 0;
+ int srctype = 0;
+ int srcpos = -1, dstpos = -1;
+
+ amodes srcmode = am_unknown, destmode = am_unknown;
+ int srcreg = -1, destreg = -1;
+
+ for(i=0; i<lastbit; i++)
+ bitcnt[i] = bitval[i] = 0;
+
+ vmsk = 1 << id.n_variable;
+
+ for(i=0, msk=0x8000; i<16; i++, msk >>= 1)
+ {
+ if (!(msk & id.mask))
+ {
+ int currbit = id.bitpos[bitno++];
+ int bit_set;
+ vmsk >>= 1;
+ bit_set = (variants & vmsk ? 1 : 0);
+
+ if (bit_set)
+ opc |= msk;
+
+ bitpos[currbit] = 15 - i;
+ bitcnt[currbit]++;
+ bitval[currbit] <<= 1;
+ bitval[currbit] |= bit_set;
+ }
}
- break;
- case 'p': srcmode = immi; srcreg = bitval[bitK];
- if (CPU_EMU_SIZE < 5) {
- /* 0..3 */
- srcgather = 1;
- srctype = 7;
- srcpos = bitpos[bitp];
+
+ if (bitval[bitj] == 0)
+ bitval[bitj] = 8;
+
+ /* first check whether this one does not match after all */
+ if (bitval[bitz] == 3 || bitval[bitC] == 1)
+ continue;
+
+ if (bitcnt[bitI] && (bitval[bitI] == 0x00 || bitval[bitI] == 0xff))
+ continue;
+
+ /* bitI and bitC get copied to biti and bitc */
+ if (bitcnt[bitI])
+ {
+ bitval[biti] = bitval[bitI]; bitpos[biti] = bitpos[bitI];
}
- break;
- default: abort();
- }
- break;
- case 'd':
- srcreg = bitval[bitD];
- srcmode = mode_from_mr(bitval[bitd],bitval[bitD]);
- if (srcmode == am_illg)
- continue;
- if (CPU_EMU_SIZE < 2 &&
- (srcmode == Areg || srcmode == Dreg || srcmode == Aind
- || srcmode == Ad16 || srcmode == Ad8r || srcmode == Aipi
- || srcmode == Apdi))
- {
- srcgather = 1; srcpos = bitpos[bitD];
- }
- if (opcstr[pos] == '[') {
- pos++;
- if (opcstr[pos] == '!') {
- /* exclusion */
- do {
- pos++;
- if (mode_from_str(opcstr+pos) == srcmode)
- goto nomatch;
- pos += 4;
- } while (opcstr[pos] == ',');
- pos++;
- } else {
- if (opcstr[pos+4] == '-') {
- /* replacement */
- if (mode_from_str(opcstr+pos) == srcmode)
- srcmode = mode_from_str(opcstr+pos+5);
- else
- goto nomatch;
- pos += 10;
- } else {
- /* normal */
- while(mode_from_str(opcstr+pos) != srcmode) {
- pos += 4;
- if (opcstr[pos] == ']')
- goto nomatch;
- pos++;
+
+ if (bitcnt[bitC])
+ bitval[bitc] = bitval[bitC];
+
+ pos = 0;
+ while (opcstr[pos] && !isspace((unsigned)opcstr[pos]))
+ {
+ if (opcstr[pos] == '.')
+ {
+ pos++;
+
+ switch (opcstr[pos])
+ {
+ case 'B': sz = sz_byte; break;
+ case 'W': sz = sz_word; break;
+ case 'L': sz = sz_long; break;
+ case 'z':
+ switch (bitval[bitz])
+ {
+ case 0: sz = sz_byte; break;
+ case 1: sz = sz_word; break;
+ case 2: sz = sz_long; break;
+ default: abort();
+ }
+ break;
+ default: abort();
+ }
}
- while(opcstr[pos] != ']') pos++;
- pos++;
- break;
- }
- }
- }
- /* Some addressing modes are invalid as destination */
- if (srcmode == imm || srcmode == PC16 || srcmode == PC8r)
- goto nomatch;
- break;
- case 's':
- srcreg = bitval[bitS];
- srcmode = mode_from_mr(bitval[bits],bitval[bitS]);
-
- if (srcmode == am_illg)
- continue;
- if (CPU_EMU_SIZE < 2 &&
- (srcmode == Areg || srcmode == Dreg || srcmode == Aind
- || srcmode == Ad16 || srcmode == Ad8r || srcmode == Aipi
- || srcmode == Apdi))
- {
- srcgather = 1; srcpos = bitpos[bitS];
- }
- if (opcstr[pos] == '[') {
- pos++;
- if (opcstr[pos] == '!') {
- /* exclusion */
- do {
- pos++;
- if (mode_from_str(opcstr+pos) == srcmode)
- goto nomatch;
- pos += 4;
- } while (opcstr[pos] == ',');
- pos++;
- } else {
- if (opcstr[pos+4] == '-') {
- /* replacement */
- if (mode_from_str(opcstr+pos) == srcmode)
- srcmode = mode_from_str(opcstr+pos+5);
else
- goto nomatch;
- pos += 10;
- } else {
- /* normal */
- while(mode_from_str(opcstr+pos) != srcmode) {
- pos += 4;
- if (opcstr[pos] == ']')
- goto nomatch;
- pos++;
+ {
+ mnemonic[mnp] = opcstr[pos];
+
+ if (mnemonic[mnp] == 'f')
+ {
+ find = -1;
+ switch (bitval[bitf])
+ {
+ case 0: mnemonic[mnp] = 'R'; break;
+ case 1: mnemonic[mnp] = 'L'; break;
+ default: abort();
+ }
+ }
+
+ mnp++;
}
- while(opcstr[pos] != ']') pos++;
+
pos++;
- }
}
- }
- break;
- default: abort();
- }
- /* safety check - might have changed */
- if (srcmode != Areg && srcmode != Dreg && srcmode != Aind
- && srcmode != Ad16 && srcmode != Ad8r && srcmode != Aipi
- && srcmode != Apdi && srcmode != immi)
- {
- srcgather = 0;
- }
-// if (srcmode == Areg && sz == sz_byte)
- if (srcmode == Areg && sz == sz_byte && strcmp ( mnemonic , "MOVE" ) != 0 ) // [NP] move.b is valid on 68000
- goto nomatch;
-
- if (opcstr[pos] != ',')
- goto endofline;
- pos++;
-
- /* parse the destination address */
- usedst = 1;
- switch (opcstr[pos++]) {
- case 'D':
- destmode = Dreg;
- switch (opcstr[pos++]) {
- case 'r': destreg = bitval[bitr]; dstgather = 1; dstpos = bitpos[bitr]; break;
- case 'R': destreg = bitval[bitR]; dstgather = 1; dstpos = bitpos[bitR]; break;
- default: abort();
- }
- if (dstpos < 0 || dstpos >= 32)
- abort ();
- break;
- case 'A':
- destmode = Areg;
- switch (opcstr[pos++]) {
- case 'r': destreg = bitval[bitr]; dstgather = 1; dstpos = bitpos[bitr]; break;
- case 'R': destreg = bitval[bitR]; dstgather = 1; dstpos = bitpos[bitR]; break;
- case 'x': destreg = 0; dstgather = 0; dstpos = 0; break;
- default: abort();
- }
- if (dstpos < 0 || dstpos >= 32)
- abort ();
- switch (opcstr[pos]) {
- case 'p': destmode = Apdi; pos++; break;
- case 'P': destmode = Aipi; pos++; break;
- }
- break;
- case 'L':
- destmode = absl;
- break;
- case '#':
- switch (opcstr[pos++]) {
- case 'z': destmode = imm; break;
- case '0': destmode = imm0; break;
- case '1': destmode = imm1; break;
- case '2': destmode = imm2; break;
- case 'i': destmode = immi; destreg = (int32_t)(int8_t)bitval[biti]; break;
- case 'j': destmode = immi; destreg = bitval[bitj]; break;
- case 'J': destmode = immi; destreg = bitval[bitJ]; break;
- case 'k': destmode = immi; destreg = bitval[bitk]; break;
- case 'K': destmode = immi; destreg = bitval[bitK]; break;
- default: abort();
- }
- break;
- case 'd':
- destreg = bitval[bitD];
- destmode = mode_from_mr(bitval[bitd],bitval[bitD]);
- if (destmode == am_illg)
- continue;
- if (CPU_EMU_SIZE < 1 &&
- (destmode == Areg || destmode == Dreg || destmode == Aind
- || destmode == Ad16 || destmode == Ad8r || destmode == Aipi
- || destmode == Apdi))
- {
- dstgather = 1; dstpos = bitpos[bitD];
- }
-
- if (opcstr[pos] == '[') {
- pos++;
- if (opcstr[pos] == '!') {
- /* exclusion */
- do {
+
+ mnemonic[mnp] = 0;
+
+ /* now, we have read the mnemonic and the size */
+ while (opcstr[pos] && isspace((unsigned)opcstr[pos]))
pos++;
- if (mode_from_str(opcstr+pos) == destmode)
- goto nomatch;
- pos += 4;
- } while (opcstr[pos] == ',');
- pos++;
- } else {
- if (opcstr[pos+4] == '-') {
- /* replacement */
- if (mode_from_str(opcstr+pos) == destmode)
- destmode = mode_from_str(opcstr+pos+5);
- else
- goto nomatch;
- pos += 10;
- } else {
- /* normal */
- while(mode_from_str(opcstr+pos) != destmode) {
- pos += 4;
- if (opcstr[pos] == ']')
+
+ /* A goto a day keeps the D******a away. */
+ if (opcstr[pos] == 0)
+ goto endofline;
+
+ /* parse the source address */
+ usesrc = 1;
+ switch (opcstr[pos++])
+ {
+ case 'D':
+ srcmode = Dreg;
+
+ switch (opcstr[pos++])
+ {
+ case 'r': srcreg = bitval[bitr]; srcgather = 1; srcpos = bitpos[bitr]; break;
+ case 'R': srcreg = bitval[bitR]; srcgather = 1; srcpos = bitpos[bitR]; break;
+ default: abort();
+ }
+
+ break;
+ case 'A':
+ srcmode = Areg;
+
+ switch (opcstr[pos++])
+ {
+ case 'r': srcreg = bitval[bitr]; srcgather = 1; srcpos = bitpos[bitr]; break;
+ case 'R': srcreg = bitval[bitR]; srcgather = 1; srcpos = bitpos[bitR]; break;
+ default: abort();
+ }
+
+ switch (opcstr[pos])
+ {
+ case 'p': srcmode = Apdi; pos++; break;
+ case 'P': srcmode = Aipi; pos++; break;
+ }
+ break;
+
+ case 'L':
+ srcmode = absl;
+ break;
+ case '#':
+ switch (opcstr[pos++])
+ {
+ case 'z': srcmode = imm; break;
+ case '0': srcmode = imm0; break;
+ case '1': srcmode = imm1; break;
+ case '2': srcmode = imm2; break;
+ case 'i':
+ srcmode = immi; srcreg = (int32_t)(int8_t)bitval[biti];
+
+ if (CPU_EMU_SIZE < 4)
+ {
+ /* Used for branch instructions */
+ srctype = 1;
+ srcgather = 1;
+ srcpos = bitpos[biti];
+ }
+
+ break;
+ case 'j':
+ srcmode = immi; srcreg = bitval[bitj];
+
+ if (CPU_EMU_SIZE < 3)
+ {
+ /* 1..8 for ADDQ/SUBQ and rotshi insns */
+ srcgather = 1;
+ srctype = 3;
+ srcpos = bitpos[bitj];
+ }
+
+ break;
+ case 'J':
+ srcmode = immi; srcreg = bitval[bitJ];
+
+ if (CPU_EMU_SIZE < 5)
+ {
+ /* 0..15 */
+ srcgather = 1;
+ srctype = 2;
+ srcpos = bitpos[bitJ];
+ }
+
+ break;
+ case 'k':
+ srcmode = immi; srcreg = bitval[bitk];
+
+ if (CPU_EMU_SIZE < 3)
+ {
+ srcgather = 1;
+ srctype = 4;
+ srcpos = bitpos[bitk];
+ }
+
+ break;
+ case 'K':
+ srcmode = immi; srcreg = bitval[bitK];
+
+ if (CPU_EMU_SIZE < 5)
+ {
+ /* 0..15 */
+ srcgather = 1;
+ srctype = 5;
+ srcpos = bitpos[bitK];
+ }
+
+ break;
+ case 'p':
+ srcmode = immi; srcreg = bitval[bitK];
+
+ if (CPU_EMU_SIZE < 5)
+ {
+ /* 0..3 */
+ srcgather = 1;
+ srctype = 7;
+ srcpos = bitpos[bitp];
+ }
+
+ break;
+ default: abort();
+ }
+
+ break;
+ case 'd':
+ srcreg = bitval[bitD];
+ srcmode = mode_from_mr(bitval[bitd],bitval[bitD]);
+
+ if (srcmode == am_illg)
+ continue;
+
+ if (CPU_EMU_SIZE < 2
+ && (srcmode == Areg || srcmode == Dreg || srcmode == Aind
+ || srcmode == Ad16 || srcmode == Ad8r || srcmode == Aipi
+ || srcmode == Apdi))
+ {
+ srcgather = 1;
+ srcpos = bitpos[bitD];
+ }
+
+ if (opcstr[pos] == '[')
+ {
+ pos++;
+
+ if (opcstr[pos] == '!')
+ {
+ /* exclusion */
+ do
+ {
+ pos++;
+
+ if (mode_from_str(opcstr + pos) == srcmode)
+ goto nomatch;
+
+ pos += 4;
+ }
+ while (opcstr[pos] == ',');
+
+ pos++;
+ }
+ else
+ {
+ if (opcstr[pos + 4] == '-')
+ {
+ /* replacement */
+ if (mode_from_str(opcstr + pos) == srcmode)
+ srcmode = mode_from_str(opcstr + pos + 5);
+ else
+ goto nomatch;
+
+ pos += 10;
+ }
+ else
+ {
+ /* normal */
+ while(mode_from_str(opcstr + pos) != srcmode)
+ {
+ pos += 4;
+
+ if (opcstr[pos] == ']')
+ goto nomatch;
+
+ pos++;
+ }
+
+ while(opcstr[pos] != ']')
+ pos++;
+
+ pos++;
+ break;
+ }
+ }
+ }
+
+ /* Some addressing modes are invalid as destination */
+ if (srcmode == imm || srcmode == PC16 || srcmode == PC8r)
goto nomatch;
- pos++;
+
+ break;
+ case 's':
+ srcreg = bitval[bitS];
+ srcmode = mode_from_mr(bitval[bits],bitval[bitS]);
+
+ if (srcmode == am_illg)
+ continue;
+
+ if (CPU_EMU_SIZE < 2
+ && (srcmode == Areg || srcmode == Dreg || srcmode == Aind
+ || srcmode == Ad16 || srcmode == Ad8r || srcmode == Aipi
+ || srcmode == Apdi))
+ {
+ srcgather = 1;
+ srcpos = bitpos[bitS];
+ }
+
+ if (opcstr[pos] == '[')
+ {
+ pos++;
+
+ if (opcstr[pos] == '!')
+ {
+ /* exclusion */
+ do
+ {
+ pos++;
+
+ if (mode_from_str(opcstr + pos) == srcmode)
+ goto nomatch;
+
+ pos += 4;
+ }
+ while (opcstr[pos] == ',');
+
+ pos++;
+ }
+ else
+ {
+ if (opcstr[pos + 4] == '-')
+ {
+ /* replacement */
+ if (mode_from_str(opcstr + pos) == srcmode)
+ srcmode = mode_from_str(opcstr + pos + 5);
+ else
+ goto nomatch;
+
+ pos += 10;
+ }
+ else
+ {
+ /* normal */
+ while(mode_from_str(opcstr+pos) != srcmode)
+ {
+ pos += 4;
+
+ if (opcstr[pos] == ']')
+ goto nomatch;
+
+ pos++;
+ }
+
+ while(opcstr[pos] != ']')
+ pos++;
+
+ pos++;
+ }
+ }
}
- while(opcstr[pos] != ']') pos++;
- pos++;
break;
- }
+ default: abort();
}
- }
- /* Some addressing modes are invalid as destination */
- if (destmode == imm || destmode == PC16 || destmode == PC8r)
- goto nomatch;
- break;
- case 's':
- destreg = bitval[bitS];
- destmode = mode_from_mr(bitval[bits],bitval[bitS]);
-
- if (destmode == am_illg)
- continue;
- if (CPU_EMU_SIZE < 1 &&
- (destmode == Areg || destmode == Dreg || destmode == Aind
- || destmode == Ad16 || destmode == Ad8r || destmode == Aipi
- || destmode == Apdi))
- {
- dstgather = 1; dstpos = bitpos[bitS];
- }
-
- if (opcstr[pos] == '[') {
+
+ /* safety check - might have changed */
+ if (srcmode != Areg && srcmode != Dreg && srcmode != Aind
+ && srcmode != Ad16 && srcmode != Ad8r && srcmode != Aipi
+ && srcmode != Apdi && srcmode != immi)
+ {
+ srcgather = 0;
+ }
+
+// if (srcmode == Areg && sz == sz_byte)
+ if (srcmode == Areg && sz == sz_byte && strcmp(mnemonic, "MOVE") != 0 ) // [NP] move.b is valid on 68000
+ goto nomatch;
+
+ if (opcstr[pos] != ',')
+ goto endofline;
+
pos++;
- if (opcstr[pos] == '!') {
- /* exclusion */
- do {
- pos++;
- if (mode_from_str(opcstr+pos) == destmode)
- goto nomatch;
- pos += 4;
- } while (opcstr[pos] == ',');
- pos++;
- } else {
- if (opcstr[pos+4] == '-') {
- /* replacement */
- if (mode_from_str(opcstr+pos) == destmode)
- destmode = mode_from_str(opcstr+pos+5);
- else
- goto nomatch;
- pos += 10;
- } else {
- /* normal */
- while(mode_from_str(opcstr+pos) != destmode) {
- pos += 4;
- if (opcstr[pos] == ']')
+
+ /* parse the destination address */
+ usedst = 1;
+
+ switch (opcstr[pos++])
+ {
+ case 'D':
+ destmode = Dreg;
+
+ switch (opcstr[pos++])
+ {
+ case 'r': destreg = bitval[bitr]; dstgather = 1; dstpos = bitpos[bitr]; break;
+ case 'R': destreg = bitval[bitR]; dstgather = 1; dstpos = bitpos[bitR]; break;
+ default: abort();
+ }
+
+ if (dstpos < 0 || dstpos >= 32)
+ abort();
+
+ break;
+ case 'A':
+ destmode = Areg;
+
+ switch (opcstr[pos++])
+ {
+ case 'r': destreg = bitval[bitr]; dstgather = 1; dstpos = bitpos[bitr]; break;
+ case 'R': destreg = bitval[bitR]; dstgather = 1; dstpos = bitpos[bitR]; break;
+ case 'x': destreg = 0; dstgather = 0; dstpos = 0; break;
+ default: abort();
+ }
+
+ if (dstpos < 0 || dstpos >= 32)
+ abort();
+
+ switch (opcstr[pos])
+ {
+ case 'p': destmode = Apdi; pos++; break;
+ case 'P': destmode = Aipi; pos++; break;
+ }
+
+ break;
+ case 'L':
+ destmode = absl;
+ break;
+ case '#':
+ switch (opcstr[pos++])
+ {
+ case 'z': destmode = imm; break;
+ case '0': destmode = imm0; break;
+ case '1': destmode = imm1; break;
+ case '2': destmode = imm2; break;
+ case 'i': destmode = immi; destreg = (int32_t)(int8_t)bitval[biti]; break;
+ case 'j': destmode = immi; destreg = bitval[bitj]; break;
+ case 'J': destmode = immi; destreg = bitval[bitJ]; break;
+ case 'k': destmode = immi; destreg = bitval[bitk]; break;
+ case 'K': destmode = immi; destreg = bitval[bitK]; break;
+ default: abort();
+ }
+ break;
+ case 'd':
+ destreg = bitval[bitD];
+ destmode = mode_from_mr(bitval[bitd],bitval[bitD]);
+
+ if (destmode == am_illg)
+ continue;
+
+ if (CPU_EMU_SIZE < 1
+ && (destmode == Areg || destmode == Dreg || destmode == Aind
+ || destmode == Ad16 || destmode == Ad8r || destmode == Aipi
+ || destmode == Apdi))
+ {
+ dstgather = 1;
+ dstpos = bitpos[bitD];
+ }
+
+ if (opcstr[pos] == '[')
+ {
+ pos++;
+
+ if (opcstr[pos] == '!')
+ {
+ /* exclusion */
+ do
+ {
+ pos++;
+
+ if (mode_from_str(opcstr + pos) == destmode)
+ goto nomatch;
+
+ pos += 4;
+ }
+ while (opcstr[pos] == ',');
+
+ pos++;
+ }
+ else
+ {
+ if (opcstr[pos+4] == '-')
+ {
+ /* replacement */
+ if (mode_from_str(opcstr + pos) == destmode)
+ destmode = mode_from_str(opcstr + pos + 5);
+ else
+ goto nomatch;
+
+ pos += 10;
+ }
+ else
+ {
+ /* normal */
+ while(mode_from_str(opcstr + pos) != destmode)
+ {
+ pos += 4;
+
+ if (opcstr[pos] == ']')
+ goto nomatch;
+
+ pos++;
+ }
+
+ while(opcstr[pos] != ']')
+ pos++;
+
+ pos++;
+ break;
+ }
+ }
+ }
+
+ /* Some addressing modes are invalid as destination */
+ if (destmode == imm || destmode == PC16 || destmode == PC8r)
goto nomatch;
- pos++;
+
+ break;
+ case 's':
+ destreg = bitval[bitS];
+ destmode = mode_from_mr(bitval[bits], bitval[bitS]);
+
+ if (destmode == am_illg)
+ continue;
+ if (CPU_EMU_SIZE < 1
+ && (destmode == Areg || destmode == Dreg || destmode == Aind
+ || destmode == Ad16 || destmode == Ad8r || destmode == Aipi
+ || destmode == Apdi))
+ {
+ dstgather = 1;
+ dstpos = bitpos[bitS];
}
- while(opcstr[pos] != ']') pos++;
- pos++;
- }
+
+ if (opcstr[pos] == '[')
+ {
+ pos++;
+
+ if (opcstr[pos] == '!')
+ {
+ /* exclusion */
+ do
+ {
+ pos++;
+
+ if (mode_from_str(opcstr + pos) == destmode)
+ goto nomatch;
+
+ pos += 4;
+ }
+ while (opcstr[pos] == ',');
+
+ pos++;
+ }
+ else
+ {
+ if (opcstr[pos+4] == '-')
+ {
+ /* replacement */
+ if (mode_from_str(opcstr + pos) == destmode)
+ destmode = mode_from_str(opcstr + pos + 5);
+ else
+ goto nomatch;
+
+ pos += 10;
+ }
+ else
+ {
+ /* normal */
+ while (mode_from_str(opcstr + pos) != destmode)
+ {
+ pos += 4;
+
+ if (opcstr[pos] == ']')
+ goto nomatch;
+
+ pos++;
+ }
+
+ while (opcstr[pos] != ']')
+ pos++;
+
+ pos++;
+ }
+ }
+ }
+ break;
+ default: abort();
+ }
+
+ /* safety check - might have changed */
+ if (destmode != Areg && destmode != Dreg && destmode != Aind
+ && destmode != Ad16 && destmode != Ad8r && destmode != Aipi
+ && destmode != Apdi)
+ {
+ dstgather = 0;
}
- }
- break;
- default: abort();
- }
- /* safety check - might have changed */
- if (destmode != Areg && destmode != Dreg && destmode != Aind
- && destmode != Ad16 && destmode != Ad8r && destmode != Aipi
- && destmode != Apdi)
- {
- dstgather = 0;
- }
- if (destmode == Areg && sz == sz_byte)
- goto nomatch;
+ if (destmode == Areg && sz == sz_byte)
+ goto nomatch;
#if 0
- if (sz == sz_byte && (destmode == Aipi || destmode == Apdi)) {
- dstgather = 0;
- }
+ if (sz == sz_byte && (destmode == Aipi || destmode == Apdi)) {
+ dstgather = 0;
+ }
#endif
- endofline:
- /* now, we have a match */
- if (table68k[opc].mnemo != i_ILLG)
- fprintf(stderr, "Double match: %x: %s\n", opc, opcstr);
- if (find == -1) {
- for (find = 0;; find++) {
- if (strcmp(mnemonic, lookuptab[find].name) == 0) {
- table68k[opc].mnemo = lookuptab[find].mnemo;
- break;
+endofline:
+ /* now, we have a match */
+ if (table68k[opc].mnemo != i_ILLG)
+ fprintf(stderr, "Double match: %x: %s\n", opc, opcstr);
+
+ if (find == -1)
+ {
+ for(find=0; ; find++)
+ {
+ if (strcmp(mnemonic, lookuptab[find].name) == 0)
+ {
+ table68k[opc].mnemo = lookuptab[find].mnemo;
+ break;
+ }
+
+ if (strlen(lookuptab[find].name) == 0)
+ abort();
+ }
}
- if (strlen(lookuptab[find].name) == 0) abort();
- }
- }
- else {
- table68k[opc].mnemo = lookuptab[find].mnemo;
- }
- table68k[opc].cc = bitval[bitc];
- if (table68k[opc].mnemo == i_BTST
- || table68k[opc].mnemo == i_BSET
- || table68k[opc].mnemo == i_BCLR
- || table68k[opc].mnemo == i_BCHG)
- {
- sz = destmode == Dreg ? sz_long : sz_byte;
- }
- table68k[opc].size = sz;
- table68k[opc].sreg = srcreg;
- table68k[opc].dreg = destreg;
- table68k[opc].smode = srcmode;
- table68k[opc].dmode = destmode;
- table68k[opc].spos = srcgather ? srcpos : -1;
- table68k[opc].dpos = dstgather ? dstpos : -1;
- table68k[opc].suse = usesrc;
- table68k[opc].duse = usedst;
- table68k[opc].stype = srctype;
- table68k[opc].plev = id.plevel;
- table68k[opc].clev = id.cpulevel;
+ else
+ {
+ table68k[opc].mnemo = lookuptab[find].mnemo;
+ }
+
+ table68k[opc].cc = bitval[bitc];
+
+ if (table68k[opc].mnemo == i_BTST
+ || table68k[opc].mnemo == i_BSET
+ || table68k[opc].mnemo == i_BCLR
+ || table68k[opc].mnemo == i_BCHG)
+ {
+ sz = (destmode == Dreg ? sz_long : sz_byte);
+ }
+
+ table68k[opc].size = sz;
+ table68k[opc].sreg = srcreg;
+ table68k[opc].dreg = destreg;
+ table68k[opc].smode = srcmode;
+ table68k[opc].dmode = destmode;
+ table68k[opc].spos = (srcgather ? srcpos : -1);
+ table68k[opc].dpos = (dstgather ? dstpos : -1);
+ table68k[opc].suse = usesrc;
+ table68k[opc].duse = usedst;
+ table68k[opc].stype = srctype;
+ table68k[opc].plev = id.plevel;
+ table68k[opc].clev = id.cpulevel;
#if 0
- for (i = 0; i < 5; i++) {
- table68k[opc].flaginfo[i].flagset = id.flaginfo[i].flagset;
- table68k[opc].flaginfo[i].flaguse = id.flaginfo[i].flaguse;
- }
+ for (i = 0; i < 5; i++) {
+ table68k[opc].flaginfo[i].flagset = id.flaginfo[i].flagset;
+ table68k[opc].flaginfo[i].flaguse = id.flaginfo[i].flaguse;
+ }
#endif
- table68k[opc].flagdead = flagdead;
- table68k[opc].flaglive = flaglive;
- table68k[opc].isjmp = isjmp;
- nomatch:
+ table68k[opc].flagdead = flagdead;
+ table68k[opc].flaglive = flaglive;
+ table68k[opc].isjmp = isjmp;
+
+nomatch:
/* FOO! */;
}
}
int sbitdst, dstend;
int srcreg, dstreg;
+//0011 DDDd ddss sSSS:00:-NZ00:-----:12: MOVE.W s,d[!Areg]
+//31C3 ->
+//0011 0001 1100 0011 : DDD = 0, ddd = 7, sss = 0, SSS = 3
+
if (table68k[opcode].spos == -1)
{
sbitdst = 1;
}
smsk <<= table68k[opcode].spos;
- }
+ }
if (table68k[opcode].dpos == -1)
{
- dstend = 1; dmsk = 0;
+ dmsk = 0;
+ dstend = 1;
}
else
{
* The instructions should never differ, except for the
* Bcc.(BW) case. */
if (table68k[code].mnemo != table68k[opcode].mnemo
- || table68k[code].size != table68k[opcode].size
- || table68k[code].suse != table68k[opcode].suse
- || table68k[code].duse != table68k[opcode].duse)
+ || table68k[code].size != table68k[opcode].size
+ || table68k[code].suse != table68k[opcode].suse
+ || table68k[code].duse != table68k[opcode].duse)
{
- mismatch++; continue;
+ mismatch++;
+ continue;
}
if (table68k[opcode].suse
- && (table68k[opcode].spos != table68k[code].spos
+ && (table68k[opcode].spos != table68k[code].spos
|| table68k[opcode].smode != table68k[code].smode
|| table68k[opcode].stype != table68k[code].stype))
{
- mismatch++; continue;
+ mismatch++;
+ continue;
}
if (table68k[opcode].duse
- && (table68k[opcode].dpos != table68k[code].dpos
+ && (table68k[opcode].dpos != table68k[code].dpos
|| table68k[opcode].dmode != table68k[code].dmode))
{
- mismatch++; continue;
+ mismatch++;
+ continue;
}
if (code != opcode)
{
table68k[code].handler = opcode;
-//printf("Relocate... ($%04X->$%04X)\n", (uint16_t)opcode, code);
+
+#if 0
+if (opcode == 0x31C3 || code == 0x31C3)
+{
+ printf("Relocate... ($%04X->$%04X)\n", (uint16_t)opcode, code);
+ printf(" handler: %08X\n", table68k[code].handler);
+ printf(" dreg: %i\n", table68k[code].dreg);
+ printf(" sreg: %i\n", table68k[code].sreg);
+ printf(" dpos: %i\n", table68k[code].dpos);
+ printf(" spos: %i\n", table68k[code].spos);
+ printf(" sduse: %i\n", table68k[code].sduse);
+ printf("flagdead: %i\n", table68k[code].flagdead);
+ printf("flaglive: %i\n", table68k[code].flaglive);
+}
+#endif
+/*
+ long int handler;
+ unsigned char dreg;
+ unsigned char sreg;
+ signed char dpos;
+ signed char spos;
+ unsigned char sduse;
+ int flagdead:8, flaglive:8;
+ unsigned int mnemo:8;
+ unsigned int cc:4;
+ unsigned int plev:2;
+ unsigned int size:2;
+ unsigned int smode:5;
+ unsigned int stype:3;
+ unsigned int dmode:5;
+ unsigned int suse:1;
+ unsigned int duse:1;
+ unsigned int unused1:1;
+ unsigned int clev:3;
+ unsigned int isjmp:1;
+ unsigned int unused2:4;
+*/
}
}
}
nr_cpuop_funcs = nr;
}
-int get_no_mismatches (void)
+int get_no_mismatches(void)
{
return mismatch;
}