/*************************************************************************** * * Portable Signetics 2650 disassembler * * Written by J. Buchmueller (pullmoll@t-online.de) * for the MAME project * **************************************************************************/ #include "emu.h" static const UINT8 *rambase; static offs_t pcbase; #define readarg(A) (rambase[(A) - pcbase]) /* Set this to 1 to disassemble using Z80 style mnemonics */ #define HJB 0 /* Set this to 1 to give names to condition codes and flag bits */ #define MNEMO 1 /* handy table to build relative offsets from HR (holding register) */ static const int rel[0x100] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, -64,-63,-62,-61,-60,-59,-58,-57,-56,-55,-54,-53,-52,-51,-50,-49, -48,-47,-46,-45,-44,-43,-42,-41,-40,-39,-38,-37,-36,-35,-34,-33, -32,-31,-30,-29,-28,-27,-26,-25,-24,-23,-22,-21,-20,-19,-18,-17, -16,-15,-14,-13,-12,-11,-10, -9, -8, -7, -6, -5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, -64,-63,-62,-61,-60,-59,-58,-57,-56,-55,-54,-53,-52,-51,-50,-49, -48,-47,-46,-45,-44,-43,-42,-41,-40,-39,-38,-37,-36,-35,-34,-33, -32,-31,-30,-29,-28,-27,-26,-25,-24,-23,-22,-21,-20,-19,-18,-17, -16,-15,-14,-13,-12,-11,-10, -9, -8, -7, -6, -5, -4, -3, -2, -1, }; typedef char* (*callback) (int addr); static callback find_symbol = 0; static char *SYM(int addr) { static char buff[8+1]; char * s = NULL; if (find_symbol) s = (*find_symbol)(addr); if (s) return s; sprintf(buff, "$%04x", addr); return buff; } /* format an immediate */ static char *IMM(int pc) { static char buff[32]; sprintf(buff, "$%02x", readarg(pc)); return buff; } #if MNEMO static const char cc[4] = { 'z', 'p', 'm', 'a' }; /* format an immediate for PSL */ static char *IMM_PSL(int pc) { static char buff[32]; char *p = buff; int v = readarg(pc); if (v == 0xff) { p += sprintf(p, "all"); } else { switch (v & 0xc0) { case 0x40: p += sprintf(p, "p+"); break; case 0x80: p += sprintf(p, "m+"); break; case 0xc0: p += sprintf(p, "cc+"); break; } if (v & 0x20) /* inter digit carry */ p += sprintf(p, "idc+"); if (v & 0x10) /* register select */ p += sprintf(p, "rs+"); if (v & 0x08) /* with carry */ p += sprintf(p, "wc+"); if (v & 0x04) /* overflow */ p += sprintf(p, "ovf+"); if (v & 0x02) /* 2's complement comparisons */ p += sprintf(p, "com+"); if (v & 0x01) /* carry */ p += sprintf(p, "c+"); if (p > buff) *--p = '\0'; } return buff; } /* format an immediate for PSU (processor status upper) */ static char *IMM_PSU(int pc) { static char buff[32]; char *p = buff; int v = readarg(pc); if (v == 0xff) { p += sprintf(p, "all"); } else { if (v & 0x80) /* sense input */ p += sprintf(p, "si+"); if (v & 0x40) /* flag output */ p += sprintf(p, "fo+"); if (v & 0x20) /* interrupt inhibit */ p += sprintf(p, "ii+"); if (v & 0x10) /* unused bit 4 */ p += sprintf(p, "4+"); if (v & 0x08) /* unused bit 3 */ p += sprintf(p, "3+"); if (v & 0x04) /* stack pointer bit 2 */ p += sprintf(p, "sp2+"); if (v & 0x02) /* stack pointer bit 1 */ p += sprintf(p, "sp1+"); if (v & 0x01) /* stack pointer bit 0 */ p += sprintf(p, "sp0+"); if (p > buff) *--p = '\0'; } return buff; } #else static const char cc[4] = { '0', '1', '2', '3' }; #define IMM_PSL IMM #define IMM_PSU IMM #endif /* format an relative address */ static char *REL(int pc) { static char buff[32]; int o = readarg(pc); sprintf(buff, "%s%s", (o&0x80)?"*":"", SYM((pc&0x6000)+((pc+1+rel[o])&0x1fff))); return buff; } /* format an relative address (implicit page 0) */ static char *REL0(int pc) { static char buff[32]; int o = readarg(pc); sprintf(buff, "%s%s", (o&0x80)?"*":"", SYM((rel[o]) & 0x1fff)); return buff; } /* format a destination register and an absolute address */ static char *ABS(int load, int r, int pc) { static char buff[32]; int h = readarg(pc); int l = readarg((pc&0x6000)+((pc+1)&0x1fff)); int a = (pc & 0x6000) + ((h & 0x1f) << 8) + l; #if HJB if (load) { switch (h >> 5) { case 0: sprintf(buff, "r%d,(%s)", r, SYM(a)); break; case 1: sprintf(buff, "r0,(%s,r%d++)", SYM(a), r); break; case 2: sprintf(buff, "r0,(%s,r%d--)", SYM(a), r); break; case 3: sprintf(buff, "r0,(%s,r%d)", SYM(a), r); break; case 4: sprintf(buff, "r%d,*(%s)", r, SYM(a)); break; case 5: sprintf(buff, "r0,*(%s,r%d++)", SYM(a), r); break; case 6: sprintf(buff, "r0,*(%s,r%d--)", SYM(a), r); break; case 7: sprintf(buff, "r0,*(%s,r%d)", SYM(a), r); break; } } else { switch (h >> 5) { case 0: sprintf(buff, "(%s),r%d", SYM(a), r); break; case 1: sprintf(buff, "(%s,r%d++),r0", SYM(a), r); break; case 2: sprintf(buff, "(%s,r%d--),r0", SYM(a), r); break; case 3: sprintf(buff, "(%s,r%d),r0", SYM(a), r); break; case 4: sprintf(buff, "*(%s),r%d", SYM(a), r); break; case 5: sprintf(buff, "*(%s,r%d++),r0", SYM(a), r); break; case 6: sprintf(buff, "*(%s,r%d--),r0", SYM(a), r); break; case 7: sprintf(buff, "*(%s,r%d),r0", SYM(a), r); break; } } #else switch (h >> 5) { case 0: sprintf(buff, "%d %s", r, SYM(a)); break; case 1: sprintf(buff, "0 %s,r%d+", SYM(a), r); break; case 2: sprintf(buff, "0 %s,r%d-", SYM(a), r); break; case 3: sprintf(buff, "0 %s,r%d", SYM(a), r); break; case 4: sprintf(buff, "%d *%s", r, SYM(a)); break; case 5: sprintf(buff, "0 *%s,r%d+", SYM(a), r); break; case 6: sprintf(buff, "0 *%s,r%d-", SYM(a), r); break; case 7: sprintf(buff, "0 *%s,r%d", SYM(a), r); break; } #endif return buff; } /* format an (branch) absolute address */ static char *ADR(int pc) { static char buff[32]; int h = readarg(pc); int l = readarg((pc&0x6000)+((pc+1)&0x1fff)); int a = ((h & 0x7f) << 8) + l; if (h & 0x80) sprintf(buff, "*%s", SYM(a)); else sprintf(buff, "%s", SYM(a)); return buff; } /* disassemble one instruction at PC into buff. return byte size of instr */ CPU_DISASSEMBLE( s2650 ) { UINT32 flags = 0; int PC = pc; int op = oprom[0]; int rv = op & 3; rambase = opram; pcbase = PC; pc += 1; switch (op) { case 0x00: case 0x01: case 0x02: case 0x03: #if HJB sprintf(buffer, "ld r0,r%d", rv); #else sprintf(buffer, "lodz,%d", rv); #endif break; case 0x04: case 0x05: case 0x06: case 0x07: #if HJB sprintf(buffer, "ld r%d,%s", rv, IMM(pc)); #else sprintf(buffer, "lodi,%d %s", rv, IMM(pc)); #endif pc+=1; break; case 0x08: case 0x09: case 0x0a: case 0x0b: #if HJB sprintf(buffer, "ld r%d,(%s)", rv, REL(pc)); #else sprintf(buffer, "lodr,%d %s", rv, REL(pc)); #endif pc+=1; break; case 0x0c: case 0x0d: case 0x0e: case 0x0f: #if HJB sprintf(buffer, "ld %s", ABS(1,rv,pc)); #else sprintf(buffer, "loda,%s", ABS(1,rv,pc)); #endif pc+=2; break; case 0x10: case 0x11: #if HJB sprintf(buffer, "**** $%02X",op); #else sprintf(buffer, "**** $%02X",op); #endif break; case 0x12: #if HJB sprintf(buffer, "ld psu,r0"); #else sprintf(buffer, "spsu"); #endif break; case 0x13: #if HJB sprintf(buffer, "ld psl,r0"); #else sprintf(buffer, "spsl"); #endif break; case 0x14: case 0x15: case 0x16: case 0x17: #if HJB if (rv == 3) sprintf(buffer, "ret"); else sprintf(buffer, "ret %c", cc[rv]); #else sprintf(buffer, "retc %c", cc[rv]); #endif flags = DASMFLAG_STEP_OUT; break; case 0x18: case 0x19: case 0x1a: case 0x1b: #if HJB if (rv == 3) sprintf(buffer, "jr %s", REL(pc)); else sprintf(buffer, "jr %c,%s", cc[rv], REL(pc)); #else sprintf(buffer, "bctr,%c %s", cc[rv], REL(pc)); #endif pc+=1; break; case 0x1c: case 0x1d: case 0x1e: case 0x1f: #if HJB if (rv == 3) sprintf(buffer, "jp %s", ADR(pc)); else sprintf(buffer, "jp %c,%s", cc[rv], ADR(pc)); #else sprintf(buffer, "bcta,%c %s", cc[rv], ADR(pc)); #endif pc+=2; break; case 0x20: case 0x21: case 0x22: case 0x23: #if HJB sprintf(buffer, "xor r0,r%d", rv); #else sprintf(buffer, "eorz,%d", rv); #endif break; case 0x24: case 0x25: case 0x26: case 0x27: #if HJB sprintf(buffer, "xor r%d,%s", rv, IMM(pc)); #else sprintf(buffer, "eori,%d %s", rv, IMM(pc)); #endif pc+=1; break; case 0x28: case 0x29: case 0x2a: case 0x2b: #if HJB sprintf(buffer, "xor r%d,(%s)", rv, REL(pc)); #else sprintf(buffer, "eorr,%d %s", rv, REL(pc)); #endif pc+=1; break; case 0x2c: case 0x2d: case 0x2e: case 0x2f: #if HJB sprintf(buffer, "xor %s", ABS(1,rv,pc)); #else sprintf(buffer, "eora,%s", ABS(1,rv,pc)); #endif pc+=2; break; case 0x30: case 0x31: case 0x32: case 0x33: #if HJB sprintf(buffer, "in r%d,(ctrl)", rv); #else sprintf(buffer, "redc,%d", rv); #endif break; case 0x34: case 0x35: case 0x36: case 0x37: #if HJB if (rv == 3) sprintf(buffer, "iret"); else sprintf(buffer, "iret %c", cc[rv]); #else sprintf(buffer, "rete %c", cc[rv]); #endif flags = DASMFLAG_STEP_OUT; break; case 0x38: case 0x39: case 0x3a: case 0x3b: #if HJB if (rv == 3) sprintf(buffer, "calr %s", REL(pc)); else sprintf(buffer, "calr %c,%s", cc[rv], REL(pc)); #else sprintf(buffer, "bstr,%c %s", cc[rv], REL(pc)); #endif pc+=1; flags = DASMFLAG_STEP_OVER; break; case 0x3c: case 0x3d: case 0x3e: case 0x3f: #if HJB if (rv == 3) sprintf(buffer, "call %s", ADR(pc)); else sprintf(buffer, "call %c,%s", cc[rv], ADR(pc)); #else sprintf(buffer, "bsta,%c %s", cc[rv], ADR(pc)); #endif pc+=2; flags = DASMFLAG_STEP_OVER; break; case 0x40: sprintf(buffer, "halt"); break; case 0x41: case 0x42: case 0x43: #if HJB sprintf(buffer, "and r0,r%d", rv); #else sprintf(buffer, "andz,%d", rv); #endif break; case 0x44: case 0x45: case 0x46: case 0x47: #if HJB sprintf(buffer, "and r%d,%s", rv, IMM(pc)); #else sprintf(buffer, "andi,%d %s", rv, IMM(pc)); #endif pc+=1; break; case 0x48: case 0x49: case 0x4a: case 0x4b: #if HJB sprintf(buffer, "and r%d,(%s)", rv, REL(pc)); #else sprintf(buffer, "andr,%d %s", rv, REL(pc)); #endif pc+=1; break; case 0x4c: case 0x4d: case 0x4e: case 0x4f: #if HJB sprintf(buffer, "and %s", ABS(1,rv,pc)); #else sprintf(buffer, "anda,%s", ABS(1,rv,pc)); #endif pc+=2; break; case 0x50: case 0x51: case 0x52: case 0x53: #if HJB sprintf(buffer, "ror r%d", rv); #else sprintf(buffer, "rrr,%d", rv); #endif break; case 0x54: case 0x55: case 0x56: case 0x57: #if HJB sprintf(buffer, "in r%d,(%s)", rv, IMM(pc)); #else sprintf(buffer, "rede,%d %s", rv, IMM(pc)); #endif pc+=1; break; case 0x58: case 0x59: case 0x5a: case 0x5b: #if HJB sprintf(buffer, "jrnz r%d,%s", rv, REL(pc)); #else sprintf(buffer, "brnr,%d %s", rv, REL(pc)); #endif pc+=1; break; case 0x5c: case 0x5d: case 0x5e: case 0x5f: #if HJB sprintf(buffer, "jpnz r%d,%s", rv, ADR(pc)); #else sprintf(buffer, "brna,%d %s", rv, ADR(pc)); #endif pc+=2; break; case 0x60: case 0x61: case 0x62: case 0x63: #if HJB sprintf(buffer, "or r0,r%d", rv); #else sprintf(buffer, "iorz,%d", rv); #endif break; case 0x64: case 0x65: case 0x66: case 0x67: #if HJB sprintf(buffer, "or r%d,%s", rv, IMM(pc)); #else sprintf(buffer, "iori,%d %s", rv, IMM(pc)); #endif pc+=1; break; case 0x68: case 0x69: case 0x6a: case 0x6b: #if HJB sprintf(buffer, "or r%d,(%s)", rv, REL(pc)); #else sprintf(buffer, "iorr,%d %s", rv, REL(pc)); #endif pc+=1; break; case 0x6c: case 0x6d: case 0x6e: case 0x6f: #if HJB sprintf(buffer, "or %s", ABS(1,rv,pc)); #else sprintf(buffer, "iora,%s", ABS(1,rv,pc)); #endif pc+=2; break; case 0x70: case 0x71: case 0x72: case 0x73: #if HJB sprintf(buffer, "in r%d,(data)", rv); #else sprintf(buffer, "redd,%d", rv); #endif break; case 0x74: #if HJB sprintf(buffer, "res psu,%s", IMM_PSU(pc)); #else sprintf(buffer, "cpsu %s", IMM_PSU(pc)); #endif pc+=1; break; case 0x75: #if HJB sprintf(buffer, "res psl,%s", IMM_PSL(pc)); #else sprintf(buffer, "cpsl %s", IMM_PSL(pc)); #endif pc+=1; break; case 0x76: #if HJB sprintf(buffer, "set psu,%s", IMM_PSU(pc)); #else sprintf(buffer, "ppsu %s", IMM_PSU(pc)); #endif pc+=1; break; case 0x77: #if HJB sprintf(buffer, "set psl,%s", IMM_PSL(pc)); #else sprintf(buffer, "ppsl %s", IMM_PSL(pc)); #endif pc+=1; break; case 0x78: case 0x79: case 0x7a: case 0x7b: #if HJB sprintf(buffer, "call r%d-nz,%s", rv, REL(pc)); #else sprintf(buffer, "bsnr,%d %s", rv, REL(pc)); #endif pc+=1; flags = DASMFLAG_STEP_OVER; break; case 0x7c: case 0x7d: case 0x7e: case 0x7f: #if HJB sprintf(buffer, "call r%d-nz,%s", rv, ADR(pc)); #else sprintf(buffer, "bsna,%d %s", rv, ADR(pc)); #endif pc+=2; flags = DASMFLAG_STEP_OVER; break; case 0x80: case 0x81: case 0x82: case 0x83: #if HJB sprintf(buffer, "add r0,r%d", rv); #else sprintf(buffer, "addz,%d", rv); #endif break; case 0x84: case 0x85: case 0x86: case 0x87: #if HJB sprintf(buffer, "add r%d,%s", rv, IMM(pc)); #else sprintf(buffer, "addi,%d %s", rv, IMM(pc)); #endif pc+=1; break; case 0x88: case 0x89: case 0x8a: case 0x8b: #if HJB sprintf(buffer, "add r%d,(%s)", rv, REL(pc)); #else sprintf(buffer, "addr,%d %s", rv, REL(pc)); #endif pc+=1; break; case 0x8c: case 0x8d: case 0x8e: case 0x8f: #if HJB sprintf(buffer, "add %s", ABS(1,rv,pc)); #else sprintf(buffer, "adda,%s", ABS(1,rv,pc)); #endif pc+=2; break; case 0x90: case 0x91: #if HJB sprintf(buffer, "**** $%02X",op); #else sprintf(buffer, "**** $%02X",op); #endif break; case 0x92: #if HJB sprintf(buffer, "ld r0,psu"); #else sprintf(buffer, "lpsu"); #endif break; case 0x93: #if HJB sprintf(buffer, "ld r0,psl"); #else sprintf(buffer, "lpsl"); #endif break; case 0x94: case 0x95: case 0x96: case 0x97: #if HJB sprintf(buffer, "daa r%d", rv); #else sprintf(buffer, "dar,%d", rv); #endif break; case 0x98: case 0x99: case 0x9a: #if HJB sprintf(buffer, "jr n%c,%s", cc[rv], REL(pc)); #else sprintf(buffer, "bcfr,%c %s", cc[rv], REL(pc)); #endif pc+=1; break; case 0x9b: #if HJB sprintf(buffer, "jr0 %s", REL0(pc)); #else sprintf(buffer, "zbrr %s", REL0(pc)); #endif pc+=1; break; case 0x9c: case 0x9d: case 0x9e: #if HJB sprintf(buffer, "jp n%c,%s", cc[rv], ADR(pc)); #else sprintf(buffer, "bcfa,%c %s", cc[rv], ADR(pc)); #endif pc+=2; break; case 0x9f: #if HJB sprintf(buffer, "jp %s+r3", ADR(pc)); #else sprintf(buffer, "bxa %s", ADR(pc)); #endif pc+=2; break; case 0xa0: case 0xa1: case 0xa2: case 0xa3: #if HJB sprintf(buffer, "sub r0,r%d", rv); #else sprintf(buffer, "subz,%d", rv); #endif break; case 0xa4: case 0xa5: case 0xa6: case 0xa7: #if HJB sprintf(buffer, "sub r%d,%s", rv, IMM(pc)); #else sprintf(buffer, "subi,%d %s", rv, IMM(pc)); #endif pc+=1; break; case 0xa8: case 0xa9: case 0xaa: case 0xab: #if HJB sprintf(buffer, "sub r%d,(%s)", rv, REL(pc)); #else sprintf(buffer, "subr,%d %s", rv, REL(pc)); #endif pc+=1; break; case 0xac: case 0xad: case 0xae: case 0xaf: #if HJB sprintf(buffer, "sub %s", ABS(1,rv,pc)); #else sprintf(buffer, "suba,%s", ABS(1,rv,pc)); #endif pc+=2; break; case 0xb0: case 0xb1: case 0xb2: case 0xb3: #if HJB sprintf(buffer, "out (ctrl),r%d", rv); #else sprintf(buffer, "wrtc,%d", rv); #endif break; case 0xb4: #if HJB sprintf(buffer, "bit psu,%s", IMM_PSU(pc)); #else sprintf(buffer, "tpsu %s", IMM_PSU(pc)); #endif pc+=1; break; case 0xb5: #if HJB sprintf(buffer, "bit psl,%s", IMM_PSL(pc)); #else sprintf(buffer, "tpsl %s", IMM_PSL(pc)); #endif pc+=1; break; case 0xb6: case 0xb7: #if HJB sprintf(buffer, "**** $%02X",op); #else sprintf(buffer, "**** $%02X",op); #endif break; case 0xb8: case 0xb9: case 0xba: #if HJB sprintf(buffer, "calr n%c,%s", cc[rv], REL(pc)); #else sprintf(buffer, "bsfr,%c %s", cc[rv], REL(pc)); #endif pc+=1; flags = DASMFLAG_STEP_OVER; break; case 0xbb: #if HJB sprintf(buffer, "cal0 %s", REL0(pc)); #else sprintf(buffer, "zbsr %s", REL0(pc)); #endif pc+=1; flags = DASMFLAG_STEP_OVER; break; case 0xbc: case 0xbd: case 0xbe: #if HJB sprintf(buffer, "call n%c,%s", cc[rv], ADR(pc)); #else sprintf(buffer, "bsfa,%c %s", cc[rv], ADR(pc)); #endif pc+=2; flags = DASMFLAG_STEP_OVER; break; case 0xbf: #if HJB sprintf(buffer, "call %s+r3", ADR(pc)); #else sprintf(buffer, "bsxa %s", ADR(pc)); #endif pc+=2; flags = DASMFLAG_STEP_OVER; break; case 0xc0: sprintf(buffer, "nop"); break; case 0xc1: case 0xc2: case 0xc3: #if HJB sprintf(buffer, "ld r%d,r0", rv); #else sprintf(buffer, "strz,%d", rv); #endif break; case 0xc4: case 0xc5: case 0xc6: case 0xc7: #if HJB sprintf(buffer, "**** $%02X",op); #else sprintf(buffer, "**** $%02X",op); #endif break; case 0xc8: case 0xc9: case 0xca: case 0xcb: #if HJB sprintf(buffer, "ld (%s),r%d", REL(pc), rv); #else sprintf(buffer, "strr,%d %s", rv, REL(pc)); #endif pc+=1; break; case 0xcc: case 0xcd: case 0xce: case 0xcf: #if HJB sprintf(buffer, "ld %s", ABS(0,rv,pc)); #else sprintf(buffer, "stra,%s", ABS(1,rv,pc)); #endif pc+=2; break; case 0xd0: case 0xd1: case 0xd2: case 0xd3: #if HJB sprintf(buffer, "rol r%d", rv); #else sprintf(buffer, "rrl,%d", rv); #endif break; case 0xd4: case 0xd5: case 0xd6: case 0xd7: #if HJB sprintf(buffer, "out (%s),r%d", IMM(pc), rv); #else sprintf(buffer, "wrte,%d %s", rv, IMM(pc)); #endif pc+=1; break; case 0xd8: case 0xd9: case 0xda: case 0xdb: #if HJB sprintf(buffer, "ijnz r%d,%s", rv, REL(pc)); #else sprintf(buffer, "birr,%d %s", rv, REL(pc)); #endif pc+=1; flags = DASMFLAG_STEP_OVER; break; case 0xdc: case 0xdd: case 0xde: case 0xdf: #if HJB sprintf(buffer, "ijnz r%d,%s", rv, ADR(pc)); #else sprintf(buffer, "bira,%d %s", rv, ADR(pc)); #endif pc+=2; flags = DASMFLAG_STEP_OVER; break; case 0xe0: case 0xe1: case 0xe2: case 0xe3: #if HJB sprintf(buffer, "cp r0,%d", rv); #else sprintf(buffer, "comz,%d", rv); #endif break; case 0xe4: case 0xe5: case 0xe6: case 0xe7: #if HJB sprintf(buffer, "cp r%d,%s", rv, IMM(pc)); #else sprintf(buffer, "comi,%d %s", rv, IMM(pc)); #endif pc+=1; break; case 0xe8: case 0xe9: case 0xea: case 0xeb: #if HJB sprintf(buffer, "cp r%d,(%s)", rv, REL(pc)); #else sprintf(buffer, "comr,%d %s", rv, REL(pc)); #endif pc+=1; break; case 0xec: case 0xed: case 0xee: case 0xef: #if HJB sprintf(buffer, "cp %s", ABS(1,rv,pc)); #else sprintf(buffer, "coma,%s", ABS(1,rv,pc)); #endif pc+=2; break; case 0xf0: case 0xf1: case 0xf2: case 0xf3: #if HJB sprintf(buffer, "out (data),r%d", rv); #else sprintf(buffer, "wrtd,%d", rv); #endif break; case 0xf4: case 0xf5: case 0xf6: case 0xf7: #if HJB sprintf(buffer, "test r%d,%s", rv, IMM(pc)); #else sprintf(buffer, "tmi,%d %s", rv, IMM(pc)); #endif pc+=1; break; case 0xf8: case 0xf9: case 0xfa: case 0xfb: #if HJB sprintf(buffer, "djnz r%d,%s", rv, REL(pc)); #else sprintf(buffer, "bdrr,%d %s", rv, REL(pc)); #endif pc+=1; flags = DASMFLAG_STEP_OVER; break; case 0xfc: case 0xfd: case 0xfe: case 0xff: #if HJB sprintf(buffer, "djnz r%d,%s", rv, ADR(pc)); #else sprintf(buffer, "bdra,%d %s", rv, ADR(pc)); #endif pc+=2; flags = DASMFLAG_STEP_OVER; break; } return (pc - PC) | flags | DASMFLAG_SUPPORTED; }