// license:BSD-3-Clause // copyright-holders:Olivier Galibert, R. Belmont, hap /* Panasonic MN10200 disassembler */ #include "emu.h" #include "mn102dis.h" u32 mn10200_disassembler::r24(const data_buffer &opcodes, offs_t pc) { return opcodes.r16(pc) | (opcodes.r8(pc+2) << 16); } std::string mn10200_disassembler::i8str(s8 v) { if(v>=0) return util::string_format("$%x", v); else return util::string_format("-$%x", u8(-v)); } std::string mn10200_disassembler::i16str(int16_t v) { if(v>=0) return util::string_format("$%x", v); else return util::string_format("-$%x", u16(-v)); } std::string mn10200_disassembler::i24str(u32 v) { if(!(v & 0x800000)) return util::string_format("$%x", v & 0xffffff); else return util::string_format("-$%x", (-v) & 0xffffff); } u32 mn10200_disassembler::opcode_alignment() const { return 1; } offs_t mn10200_disassembler::disassemble(std::ostream &stream, offs_t pc, const data_buffer &opcodes, const data_buffer ¶ms) { u8 opcode; opcode = opcodes.r8(pc); switch(opcode) { case 0x00: case 0x01: case 0x02: case 0x03: case 0x04: case 0x05: case 0x06: case 0x07: case 0x08: case 0x09: case 0x0a: case 0x0b: case 0x0c: case 0x0d: case 0x0e: case 0x0f: util::stream_format(stream, "mov d%d, (a%d)", opcode & 3, (opcode>>2) & 3); return 1; case 0x10: case 0x11: case 0x12: case 0x13: case 0x14: case 0x15: case 0x16: case 0x17: case 0x18: case 0x19: case 0x1a: case 0x1b: case 0x1c: case 0x1d: case 0x1e: case 0x1f: util::stream_format(stream, "movb d%d, (a%d)", opcode & 3, (opcode>>2) & 3); return 1; case 0x20: case 0x21: case 0x22: case 0x23: case 0x24: case 0x25: case 0x26: case 0x27: case 0x28: case 0x29: case 0x2a: case 0x2b: case 0x2c: case 0x2d: case 0x2e: case 0x2f: util::stream_format(stream, "mov (a%d), d%d", (opcode>>2) & 3, opcode & 3); return 1; case 0x30: case 0x31: case 0x32: case 0x33: case 0x34: case 0x35: case 0x36: case 0x37: case 0x38: case 0x39: case 0x3a: case 0x3b: case 0x3c: case 0x3d: case 0x3e: case 0x3f: util::stream_format(stream, "movbu (a%d), d%d", (opcode>>2) & 3, opcode & 3); return 1; case 0x40: case 0x41: case 0x42: case 0x43: case 0x44: case 0x45: case 0x46: case 0x47: case 0x48: case 0x49: case 0x4a: case 0x4b: case 0x4c: case 0x4d: case 0x4e: case 0x4f: util::stream_format(stream, "mov d%d, (%s, a%d)", opcode & 3, i8str(opcodes.r8(pc+1)), (opcode>>2) & 3); return 2; case 0x50: case 0x51: case 0x52: case 0x53: case 0x54: case 0x55: case 0x56: case 0x57: case 0x58: case 0x59: case 0x5a: case 0x5b: case 0x5c: case 0x5d: case 0x5e: case 0x5f: util::stream_format(stream, "mov a%d, (%s, a%d)", opcode & 3, i8str(opcodes.r8(pc+1)), (opcode>>2) & 3); return 2; case 0x60: case 0x61: case 0x62: case 0x63: case 0x64: case 0x65: case 0x66: case 0x67: case 0x68: case 0x69: case 0x6a: case 0x6b: case 0x6c: case 0x6d: case 0x6e: case 0x6f: util::stream_format(stream, "mov (%s, a%d), d%d", i8str(opcodes.r8(pc+1)), (opcode>>2) & 3, opcode & 3); return 2; case 0x70: case 0x71: case 0x72: case 0x73: case 0x74: case 0x75: case 0x76: case 0x77: case 0x78: case 0x79: case 0x7a: case 0x7b: case 0x7c: case 0x7d: case 0x7e: case 0x7f: util::stream_format(stream, "mov (%s, a%d), a%d", i8str(opcodes.r8(pc+1)), (opcode>>2) & 3, opcode & 3); return 2; case 0x81: case 0x82: case 0x83: case 0x84: case 0x86: case 0x87: case 0x88: case 0x89: case 0x8b: case 0x8c: case 0x8d: case 0x8e: util::stream_format(stream, "mov d%d, d%d", (opcode>>2) & 3, opcode & 3); return 1; case 0x80: case 0x85: case 0x8a: case 0x8f: util::stream_format(stream, "mov %s, d%d", i8str(opcodes.r8(pc+1)), opcode & 3); return 2; case 0x90: case 0x91: case 0x92: case 0x93: case 0x94: case 0x95: case 0x96: case 0x97: case 0x98: case 0x99: case 0x9a: case 0x9b: case 0x9c: case 0x9d: case 0x9e: case 0x9f: util::stream_format(stream, "add d%d, d%d", (opcode>>2) & 3, opcode & 3); return 1; case 0xa0: case 0xa1: case 0xa2: case 0xa3: case 0xa4: case 0xa5: case 0xa6: case 0xa7: case 0xa8: case 0xa9: case 0xaa: case 0xab: case 0xac: case 0xad: case 0xae: case 0xaf: util::stream_format(stream, "sub d%d, d%d", (opcode>>2) & 3, opcode & 3); return 1; case 0xb0: case 0xb1: case 0xb2: case 0xb3: util::stream_format(stream, "extx d%d", opcode & 3); return 1; case 0xb4: case 0xb5: case 0xb6: case 0xb7: util::stream_format(stream, "extxu d%d", opcode & 3); return 1; case 0xb8: case 0xb9: case 0xba: case 0xbb: util::stream_format(stream, "extxb d%d", opcode & 3); return 1; case 0xbc: case 0xbd: case 0xbe: case 0xbf: util::stream_format(stream, "extxbu d%d", opcode & 3); return 1; case 0xc0: case 0xc1: case 0xc2: case 0xc3: util::stream_format(stream, "mov d%d, ($%04x)", opcode & 3, opcodes.r16(pc+1)); return 3; case 0xc4: case 0xc5: case 0xc6: case 0xc7: util::stream_format(stream, "movb d%d, ($%04x)", opcode & 3, opcodes.r16(pc+1)); return 3; case 0xc8: case 0xc9: case 0xca: case 0xcb: util::stream_format(stream, "mov ($%04x), d%d", opcodes.r16(pc+1), opcode & 3); return 3; case 0xcc: case 0xcd: case 0xce: case 0xcf: util::stream_format(stream, "movbu ($%04x), d%d", opcodes.r16(pc+1), opcode & 3); return 3; case 0xd0: case 0xd1: case 0xd2: case 0xd3: util::stream_format(stream, "add %s, a%d", i8str(opcodes.r8(pc+1)), opcode & 3); return 2; case 0xd4: case 0xd5: case 0xd6: case 0xd7: util::stream_format(stream, "add %s, d%d", i8str(opcodes.r8(pc+1)), opcode & 3); return 2; case 0xd8: case 0xd9: case 0xda: case 0xdb: util::stream_format(stream, "cmp %s, d%d", i8str(opcodes.r8(pc+1)), opcode & 3); return 2; case 0xdc: case 0xdd: case 0xde: case 0xdf: util::stream_format(stream, "move $%04x, a%d", opcodes.r16(pc+1), opcode & 3); return 3; case 0xe0: util::stream_format(stream, "blt $%x", (pc+2+(s8)opcodes.r8(pc+1)) & 0xffffff); return 2; case 0xe1: util::stream_format(stream, "bgt $%x", (pc+2+(s8)opcodes.r8(pc+1)) & 0xffffff); return 2; case 0xe2: util::stream_format(stream, "bge $%x", (pc+2+(s8)opcodes.r8(pc+1)) & 0xffffff); return 2; case 0xe3: util::stream_format(stream, "ble $%x", (pc+2+(s8)opcodes.r8(pc+1)) & 0xffffff); return 2; case 0xe4: util::stream_format(stream, "bcs $%x", (pc+2+(s8)opcodes.r8(pc+1)) & 0xffffff); return 2; case 0xe5: util::stream_format(stream, "bhi $%x", (pc+2+(s8)opcodes.r8(pc+1)) & 0xffffff); return 2; case 0xe6: util::stream_format(stream, "bcc $%x", (pc+2+(s8)opcodes.r8(pc+1)) & 0xffffff); return 2; case 0xe7: util::stream_format(stream, "bls $%x", (pc+2+(s8)opcodes.r8(pc+1)) & 0xffffff); return 2; case 0xe8: util::stream_format(stream, "beq $%x", (pc+2+(s8)opcodes.r8(pc+1)) & 0xffffff); return 2; case 0xe9: util::stream_format(stream, "bne $%x", (pc+2+(s8)opcodes.r8(pc+1)) & 0xffffff); return 2; case 0xea: util::stream_format(stream, "bra $%x", (pc+2+(s8)opcodes.r8(pc+1)) & 0xffffff); return 2; case 0xeb: util::stream_format(stream, "rti"); return 1; case 0xec: case 0xed: case 0xee: case 0xef: util::stream_format(stream, "cmp $%04x, a%d", opcodes.r16(pc+1), opcode & 3); return 3; case 0xf0: opcode = opcodes.r8(pc+1); switch(opcode) { case 0x00: case 0x04: case 0x08: case 0x0c: util::stream_format(stream, "jmp (a%d)", (opcode>>2) & 3); return 2; case 0x01: case 0x05: case 0x09: case 0x0d: util::stream_format(stream, "jsr (a%d)", (opcode>>2) & 3); return 2; case 0x20: case 0x21: case 0x22: case 0x23: case 0x24: case 0x25: case 0x26: case 0x27: case 0x28: case 0x29: case 0x2a: case 0x2b: case 0x2c: case 0x2d: case 0x2e: case 0x2f: util::stream_format(stream, "bset d%d, (a%d)", opcode & 3, (opcode>>2) & 3); return 2; case 0x30: case 0x31: case 0x32: case 0x33: case 0x34: case 0x35: case 0x36: case 0x37: case 0x38: case 0x39: case 0x3a: case 0x3b: case 0x3c: case 0x3d: case 0x3e: case 0x3f: util::stream_format(stream, "bclr d%d, (a%d)", opcode & 3, (opcode>>2) & 3); return 2; case 0x40: case 0x41: case 0x42: case 0x43: case 0x44: case 0x45: case 0x46: case 0x47: case 0x48: case 0x49: case 0x4a: case 0x4b: case 0x4c: case 0x4d: case 0x4e: case 0x4f: case 0x50: case 0x51: case 0x52: case 0x53: case 0x54: case 0x55: case 0x56: case 0x57: case 0x58: case 0x59: case 0x5a: case 0x5b: case 0x5c: case 0x5d: case 0x5e: case 0x5f: case 0x60: case 0x61: case 0x62: case 0x63: case 0x64: case 0x65: case 0x66: case 0x67: case 0x68: case 0x69: case 0x6a: case 0x6b: case 0x6c: case 0x6d: case 0x6e: case 0x6f: case 0x70: case 0x71: case 0x72: case 0x73: case 0x74: case 0x75: case 0x76: case 0x77: case 0x78: case 0x79: case 0x7a: case 0x7b: case 0x7c: case 0x7d: case 0x7e: case 0x7f: util::stream_format(stream, "movb (d%d, a%d), d%d", (opcode>>4) & 3, (opcode>>2) & 3, opcode & 3); return 2; case 0x80: case 0x81: case 0x82: case 0x83: case 0x84: case 0x85: case 0x86: case 0x87: case 0x88: case 0x89: case 0x8a: case 0x8b: case 0x8c: case 0x8d: case 0x8e: case 0x8f: case 0x90: case 0x91: case 0x92: case 0x93: case 0x94: case 0x95: case 0x96: case 0x97: case 0x98: case 0x99: case 0x9a: case 0x9b: case 0x9c: case 0x9d: case 0x9e: case 0x9f: case 0xa0: case 0xa1: case 0xa2: case 0xa3: case 0xa4: case 0xa5: case 0xa6: case 0xa7: case 0xa8: case 0xa9: case 0xaa: case 0xab: case 0xac: case 0xad: case 0xae: case 0xaf: case 0xb0: case 0xb1: case 0xb2: case 0xb3: case 0xb4: case 0xb5: case 0xb6: case 0xb7: case 0xb8: case 0xb9: case 0xba: case 0xbb: case 0xbc: case 0xbd: case 0xbe: case 0xbf: util::stream_format(stream, "movbu (d%d, a%d), d%d", (opcode>>4) & 3, (opcode>>2) & 3, opcode & 3); return 2; case 0xc0: case 0xc1: case 0xc2: case 0xc3: case 0xc4: case 0xc5: case 0xc6: case 0xc7: case 0xc8: case 0xc9: case 0xca: case 0xcb: case 0xcc: case 0xcd: case 0xce: case 0xcf: case 0xd0: case 0xd1: case 0xd2: case 0xd3: case 0xd4: case 0xd5: case 0xd6: case 0xd7: case 0xd8: case 0xd9: case 0xda: case 0xdb: case 0xdc: case 0xdd: case 0xde: case 0xdf: case 0xe0: case 0xe1: case 0xe2: case 0xe3: case 0xe4: case 0xe5: case 0xe6: case 0xe7: case 0xe8: case 0xe9: case 0xea: case 0xeb: case 0xec: case 0xed: case 0xee: case 0xef: case 0xf0: case 0xf1: case 0xf2: case 0xf3: case 0xf4: case 0xf5: case 0xf6: case 0xf7: case 0xf8: case 0xf9: case 0xfa: case 0xfb: case 0xfc: case 0xfd: case 0xfe: case 0xff: util::stream_format(stream, "movb d%d, (d%d, a%d)", opcode & 3, (opcode>>4) & 3, (opcode>>2) & 3); return 2; default: goto illegal2; } case 0xf1: opcode = opcodes.r8(pc+1); switch(opcode&0xc0) { case 0x00: util::stream_format(stream, "mov (d%d, a%d), a%d", (opcode>>4) & 3, (opcode>>2) & 3, opcode & 3); return 2; case 0x40: util::stream_format(stream, "mov (d%d, a%d), d%d", (opcode>>4) & 3, (opcode>>2) & 3, opcode & 3); return 2; case 0x80: util::stream_format(stream, "mov a%d, (d%d, a%d)", opcode & 3, (opcode>>4) & 3, (opcode>>2) & 3); return 2; case 0xc0: util::stream_format(stream, "mov d%d, (d%d, a%d)", opcode & 3, (opcode>>4) & 3, (opcode>>2) & 3); return 2; } break; case 0xf2: opcode = opcodes.r8(pc+1); switch(opcode&0xf0) { case 0x00: util::stream_format(stream, "add d%d, a%d", (opcode>>2) & 3, opcode & 3); return 2; case 0x10: util::stream_format(stream, "sub d%d, a%d", (opcode>>2) & 3, opcode & 3); return 2; case 0x20: util::stream_format(stream, "cmp d%d, a%d", (opcode>>2) & 3, opcode & 3); return 2; case 0x30: util::stream_format(stream, "mov d%d, a%d", (opcode>>2) & 3, opcode & 3); return 2; case 0x40: util::stream_format(stream, "add a%d, a%d", (opcode>>2) & 3, opcode & 3); return 2; case 0x50: util::stream_format(stream, "sub a%d, a%d", (opcode>>2) & 3, opcode & 3); return 2; case 0x60: util::stream_format(stream, "cmp a%d, a%d", (opcode>>2) & 3, opcode & 3); return 2; case 0x70: util::stream_format(stream, "mov a%d, a%d", (opcode>>2) & 3, opcode & 3); return 2; case 0x80: util::stream_format(stream, "addc d%d, d%d", (opcode>>2) & 3, opcode & 3); return 2; case 0x90: util::stream_format(stream, "subc d%d, d%d", (opcode>>2) & 3, opcode & 3); return 2; case 0xc0: util::stream_format(stream, "add a%d, d%d", (opcode>>2) & 3, opcode & 3); return 2; case 0xd0: util::stream_format(stream, "sub a%d, d%d", (opcode>>2) & 3, opcode & 3); return 2; case 0xe0: util::stream_format(stream, "cmp a%d, d%d", (opcode>>2) & 3, opcode & 3); return 2; case 0xf0: util::stream_format(stream, "mov a%d, d%d", (opcode>>2) & 3, opcode & 3); return 2; default: goto illegal2; } case 0xf3: opcode = opcodes.r8(pc+1); switch(opcode) { case 0x00: case 0x01: case 0x02: case 0x03: case 0x04: case 0x05: case 0x06: case 0x07: case 0x08: case 0x09: case 0x0a: case 0x0b: case 0x0c: case 0x0d: case 0x0e: case 0x0f: util::stream_format(stream, "and d%d, d%d", (opcode>>2) & 3, opcode & 3); return 2; case 0x10: case 0x11: case 0x12: case 0x13: case 0x14: case 0x15: case 0x16: case 0x17: case 0x18: case 0x19: case 0x1a: case 0x1b: case 0x1c: case 0x1d: case 0x1e: case 0x1f: util::stream_format(stream, "or d%d, d%d", (opcode>>2) & 3, opcode & 3); return 2; case 0x20: case 0x21: case 0x22: case 0x23: case 0x24: case 0x25: case 0x26: case 0x27: case 0x28: case 0x29: case 0x2a: case 0x2b: case 0x2c: case 0x2d: case 0x2e: case 0x2f: util::stream_format(stream, "xor d%d, d%d", (opcode>>2) & 3, opcode & 3); return 2; case 0x30: case 0x31: case 0x32: case 0x33: util::stream_format(stream, "rol d%d", opcode & 3); return 2; case 0x34: case 0x35: case 0x36: case 0x37: util::stream_format(stream, "ror d%d", opcode & 3); return 2; case 0x38: case 0x39: case 0x3a: case 0x3b: util::stream_format(stream, "asr d%d", opcode & 3); return 2; case 0x3c: case 0x3d: case 0x3e: case 0x3f: util::stream_format(stream, "lsr d%d", opcode & 3); return 2; case 0x40: case 0x41: case 0x42: case 0x43: case 0x44: case 0x45: case 0x46: case 0x47: case 0x48: case 0x49: case 0x4a: case 0x4b: case 0x4c: case 0x4d: case 0x4e: case 0x4f: util::stream_format(stream, "mul d%d, d%d", (opcode>>2) & 3, opcode & 3); return 2; case 0x50: case 0x51: case 0x52: case 0x53: case 0x54: case 0x55: case 0x56: case 0x57: case 0x58: case 0x59: case 0x5a: case 0x5b: case 0x5c: case 0x5d: case 0x5e: case 0x5f: util::stream_format(stream, "mulu d%d, d%d", (opcode>>2) & 3, opcode & 3); return 2; case 0x60: case 0x61: case 0x62: case 0x63: case 0x64: case 0x65: case 0x66: case 0x67: case 0x68: case 0x69: case 0x6a: case 0x6b: case 0x6c: case 0x6d: case 0x6e: case 0x6f: util::stream_format(stream, "divu d%d, d%d", (opcode>>2) & 3, opcode & 3); return 2; case 0x90: case 0x91: case 0x92: case 0x93: case 0x94: case 0x95: case 0x96: case 0x97: case 0x98: case 0x99: case 0x9a: case 0x9b: case 0x9c: case 0x9d: case 0x9e: case 0x9f: util::stream_format(stream, "cmp d%d, d%d", (opcode>>2) & 3, opcode & 3); return 2; case 0xc0: case 0xc4: case 0xc8: case 0xcc: util::stream_format(stream, "mov d%d, mdr", (opcode>>2) & 3); return 2; case 0xc1: case 0xc5: case 0xc9: case 0xcd: util::stream_format(stream, "ext d%d", (opcode>>2) & 3); return 2; case 0xd0: case 0xd4: case 0xd8: case 0xdc: util::stream_format(stream, "mov d%d, psw", (opcode>>2) & 3); return 2; case 0xe0: case 0xe1: case 0xe2: case 0xe3: util::stream_format(stream, "mov mdr, d%d", opcode & 3); return 2; case 0xe4: case 0xe5: case 0xe6: case 0xe7: util::stream_format(stream, "not d%d", opcode & 3); return 2; case 0xf0: case 0xf1: case 0xf2: case 0xf3: util::stream_format(stream, "mov psw, d%d", opcode & 3); return 2; case 0xfc: util::stream_format(stream, "pxst"); return 2; case 0xfe: opcode = opcodes.r8(pc+2); switch(opcode) { case 0xc0: case 0xc1: case 0xc2: case 0xc3: case 0xc4: case 0xc5: case 0xc6: case 0xc7: util::stream_format(stream, "tbz ($%x) %d, $%x", r24(opcodes, pc+3), opcode & 7, (pc+7+(s8)opcodes.r8(pc+6)) & 0xffffff); return 7; case 0xc8: case 0xc9: case 0xca: case 0xcb: case 0xcc: case 0xcd: case 0xce: case 0xcf: util::stream_format(stream, "tbnz ($%x) %d, $%x", r24(opcodes, pc+3), opcode & 7, (pc+7+(s8)opcodes.r8(pc+6)) & 0xffffff); return 7; case 0xd0: case 0xd1: case 0xd2: case 0xd3: case 0xd4: case 0xd5: case 0xd6: case 0xd7: util::stream_format(stream, "bset ($%x) %d", r24(opcodes, pc+2), opcode & 7); return 6; case 0xd8: case 0xd9: case 0xda: case 0xdb: case 0xdc: case 0xdd: case 0xde: case 0xdf: util::stream_format(stream, "bclr ($%x) %d", r24(opcodes, pc+2), opcode & 7); return 6; default: goto illegal3; } case 0xff: opcode = opcodes.r8(pc+2); switch(opcode) { case 0x80: case 0x81: case 0x82: case 0x83: case 0x84: case 0x85: case 0x86: case 0x87: case 0x88: case 0x89: case 0x8a: case 0x8b: case 0x8c: case 0x8d: case 0x8e: case 0x8f: util::stream_format(stream, "tbz (%s, a%d) %d, $%x", i8str(opcodes.r8(pc+3)), 2+((opcode>>3)&1), opcode & 7, (pc+5+(s8)opcodes.r8(pc+4)) & 0xffffff); return 5; case 0x90: case 0x91: case 0x92: case 0x93: case 0x94: case 0x95: case 0x96: case 0x97: case 0x98: case 0x99: case 0x9a: case 0x9b: case 0x9c: case 0x9d: case 0x9e: case 0x9f: util::stream_format(stream, "bset (%s, a%d) %d", i8str(opcodes.r8(pc+3)), 2+((opcode>>3)&1), opcode & 7); return 4; case 0xa0: case 0xa1: case 0xa2: case 0xa3: case 0xa4: case 0xa5: case 0xa6: case 0xa7: case 0xa8: case 0xa9: case 0xaa: case 0xab: case 0xac: case 0xad: case 0xae: case 0xaf: util::stream_format(stream, "tbnz (%s, a%d) %d, $%x", i8str(opcodes.r8(pc+3)), 2+((opcode>>3)&1), opcode & 7, (pc+5+(s8)opcodes.r8(pc+4)) & 0xffffff); return 5; case 0xb0: case 0xb1: case 0xb2: case 0xb3: case 0xb4: case 0xb5: case 0xb6: case 0xb7: case 0xb8: case 0xb9: case 0xba: case 0xbb: case 0xbc: case 0xbd: case 0xbe: case 0xbf: util::stream_format(stream, "bclr (%s, a%d) %d", i8str(opcodes.r8(pc+3)), 2+((opcode>>3)&1), opcode & 7); return 4; default: goto illegal3; } default: goto illegal2; } case 0xf4: opcode = opcodes.r8(pc+1); switch(opcode) { case 0x00: case 0x01: case 0x02: case 0x03: case 0x04: case 0x05: case 0x06: case 0x07: case 0x08: case 0x09: case 0x0a: case 0x0b: case 0x0c: case 0x0d: case 0x0e: case 0x0f: util::stream_format(stream, "mov d%d, (%s, a%d)", opcode & 3, i24str(r24(opcodes, pc+2)), (opcode>>2) & 3); return 5; case 0x10: case 0x11: case 0x12: case 0x13: case 0x14: case 0x15: case 0x16: case 0x17: case 0x18: case 0x19: case 0x1a: case 0x1b: case 0x1c: case 0x1d: case 0x1e: case 0x1f: util::stream_format(stream, "mov a%d, (%s, a%d)", opcode & 3, i24str(r24(opcodes, pc+2)), (opcode>>2) & 3); return 5; case 0x20: case 0x21: case 0x22: case 0x23: case 0x24: case 0x25: case 0x26: case 0x27: case 0x28: case 0x29: case 0x2a: case 0x2b: case 0x2c: case 0x2d: case 0x2e: case 0x2f: util::stream_format(stream, "movb d%d, (%s, a%d)", opcode & 3, i24str(r24(opcodes, pc+2)), (opcode>>2) & 3); return 5; case 0x30: case 0x31: case 0x32: case 0x33: case 0x34: case 0x35: case 0x36: case 0x37: case 0x38: case 0x39: case 0x3a: case 0x3b: case 0x3c: case 0x3d: case 0x3e: case 0x3f: util::stream_format(stream, "movx d%d, (%s, a%d)", opcode & 3, i24str(r24(opcodes, pc+2)), (opcode>>2) & 3); return 5; case 0x40: case 0x41: case 0x42: case 0x43: util::stream_format(stream, "mov d%d, ($%06x)", opcode & 3, r24(opcodes, pc+2)); return 5; case 0x44: case 0x45: case 0x46: case 0x47: util::stream_format(stream, "movb d%d, ($%06x)", opcode & 3, r24(opcodes, pc+2)); return 5; case 0x4b: util::stream_format(stream, "bset %02x, ($%06x)", opcodes.r8(pc+5), r24(opcodes, pc+2)); return 6; case 0x4f: util::stream_format(stream, "bclr %02x, ($%06x)", opcodes.r8(pc+5), r24(opcodes, pc+2)); return 6; case 0x50: case 0x51: case 0x52: case 0x53: util::stream_format(stream, "mov a%d, ($%06x)", opcode & 3, r24(opcodes, pc+2)); return 5; case 0x60: case 0x61: case 0x62: case 0x63: util::stream_format(stream, "add %s, d%d", i24str(r24(opcodes, pc+2)), opcode & 3); return 5; case 0x64: case 0x65: case 0x66: case 0x67: util::stream_format(stream, "add %s, a%d", i24str(r24(opcodes, pc+2)), opcode & 3); return 5; case 0x68: case 0x69: case 0x6a: case 0x6b: util::stream_format(stream, "sub %s, d%d", i24str(r24(opcodes, pc+2)), opcode & 3); return 5; case 0x6c: case 0x6d: case 0x6e: case 0x6f: util::stream_format(stream, "sub %s, a%d", i24str(r24(opcodes, pc+2)), opcode & 3); return 5; case 0x70: case 0x71: case 0x72: case 0x73: util::stream_format(stream, "mov %s, d%d", i24str(r24(opcodes, pc+2)), opcode & 3); return 5; case 0x74: case 0x75: case 0x76: case 0x77: util::stream_format(stream, "mov $%06x, a%d", r24(opcodes, pc+2), opcode & 3); return 5; case 0x78: case 0x79: case 0x7a: case 0x7b: util::stream_format(stream, "cmp %s, d%d", i24str(r24(opcodes, pc+2)), opcode & 3); return 5; case 0x7c: case 0x7d: case 0x7e: case 0x7f: util::stream_format(stream, "cmp $%06x, a%d", r24(opcodes, pc+2), opcode & 3); return 5; case 0x80: case 0x81: case 0x82: case 0x83: case 0x84: case 0x85: case 0x86: case 0x87: case 0x88: case 0x89: case 0x8a: case 0x8b: case 0x8c: case 0x8d: case 0x8e: case 0x8f: util::stream_format(stream, "mov (%s, a%d), d%d", i24str(r24(opcodes, pc+2)), (opcode>>2) & 3, opcode & 3); return 5; case 0x90: case 0x91: case 0x92: case 0x93: case 0x94: case 0x95: case 0x96: case 0x97: case 0x98: case 0x99: case 0x9a: case 0x9b: case 0x9c: case 0x9d: case 0x9e: case 0x9f: util::stream_format(stream, "movbu (%s, a%d), d%d", i24str(r24(opcodes, pc+2)), (opcode>>2) & 3, opcode & 3); return 5; case 0xa0: case 0xa1: case 0xa2: case 0xa3: case 0xa4: case 0xa5: case 0xa6: case 0xa7: case 0xa8: case 0xa9: case 0xaa: case 0xab: case 0xac: case 0xad: case 0xae: case 0xaf: util::stream_format(stream, "movb (%s, a%d), d%d", i24str(r24(opcodes, pc+2)), (opcode>>2) & 3, opcode & 3); return 5; case 0xb0: case 0xb1: case 0xb2: case 0xb3: case 0xb4: case 0xb5: case 0xb6: case 0xb7: case 0xb8: case 0xb9: case 0xba: case 0xbb: case 0xbc: case 0xbd: case 0xbe: case 0xbf: util::stream_format(stream, "movx (%s, a%d), d%d", i24str(r24(opcodes, pc+2)), (opcode>>2) & 3, opcode & 3); return 5; case 0xc0: case 0xc1: case 0xc2: case 0xc3: util::stream_format(stream, "mov ($%06x), d%d", r24(opcodes, pc+2), opcode & 3); return 5; case 0xc4: case 0xc5: case 0xc6: case 0xc7: util::stream_format(stream, "movb ($%06x), d%d", r24(opcodes, pc+2), opcode & 3); return 5; case 0xc8: case 0xc9: case 0xca: case 0xcb: util::stream_format(stream, "movbu ($%06x), d%d", r24(opcodes, pc+2), opcode & 3); return 5; case 0xd0: case 0xd1: case 0xd2: case 0xd3: util::stream_format(stream, "mov ($%06x), a%d", r24(opcodes, pc+2), opcode & 3); return 5; case 0xe0: util::stream_format(stream, "jmp $%x", (pc+5+r24(opcodes, pc+2)) & 0xffffff); return 5; case 0xe1: util::stream_format(stream, "jsr $%x", (pc+5+r24(opcodes, pc+2)) & 0xffffff); return 5; case 0xe3: util::stream_format(stream, "bset $%02x, ($%x)", opcodes.r8(pc+4), opcodes.r16(pc+2)); return 6; case 0xe7: util::stream_format(stream, "bclr $%02x, ($%x)", opcodes.r8(pc+4), opcodes.r16(pc+2)); return 6; case 0xe8: case 0xe9: case 0xea: case 0xeb: util::stream_format(stream, "bset $%02x, (%s, a%d)", opcodes.r8(pc+3), i8str(opcodes.r8(pc+2)), opcode & 3); return 4; case 0xec: case 0xed: case 0xee: case 0xef: util::stream_format(stream, "bclr $%02x, (%s, a%d)", opcodes.r8(pc+3), i8str(opcodes.r8(pc+2)), opcode & 3); return 4; case 0xf0: case 0xf1: case 0xf2: case 0xf3: case 0xf4: case 0xf5: case 0xf6: case 0xf7: case 0xf8: case 0xf9: case 0xfa: case 0xfb: case 0xfc: case 0xfd: case 0xfe: case 0xff: util::stream_format(stream, "mov (%s, a%d), a%d", i24str(r24(opcodes, pc+2)), (opcode>>2) & 3, opcode & 3); return 5; default: goto illegal2; } case 0xf5: opcode = opcodes.r8(pc+1); switch(opcode) { case 0x00: case 0x01: case 0x02: case 0x03: util::stream_format(stream, "and $%02x, d%d", opcodes.r8(pc+2), opcode & 3); return 3; case 0x04: case 0x05: case 0x06: case 0x07: util::stream_format(stream, "btst $%02x, d%d", opcodes.r8(pc+2), opcode & 3); return 3; case 0x08: case 0x09: case 0x0a: case 0x0b: util::stream_format(stream, "or $%02x, d%d", opcodes.r8(pc+2), opcode & 3); return 3; case 0x0c: case 0x0d: case 0x0e: case 0x0f: util::stream_format(stream, "addnf %s, a%d", i8str(opcodes.r8(pc+2)), opcode & 3); return 3; case 0x10: case 0x11: case 0x12: case 0x13: case 0x14: case 0x15: case 0x16: case 0x17: case 0x18: case 0x19: case 0x1a: case 0x1b: case 0x1c: case 0x1d: case 0x1e: case 0x1f: util::stream_format(stream, "movb d%d, (%s, a%d)", opcode & 3, i8str(opcodes.r8(pc+2)), (opcode>>2) & 3); return 3; case 0x20: case 0x21: case 0x22: case 0x23: case 0x24: case 0x25: case 0x26: case 0x27: case 0x28: case 0x29: case 0x2a: case 0x2b: case 0x2c: case 0x2d: case 0x2e: case 0x2f: util::stream_format(stream, "movb (%s, a%d), d%d", i8str(opcodes.r8(pc+2)), (opcode>>2) & 3, opcode & 3); return 3; case 0x30: case 0x31: case 0x32: case 0x33: case 0x34: case 0x35: case 0x36: case 0x37: case 0x38: case 0x39: case 0x3a: case 0x3b: case 0x3c: case 0x3d: case 0x3e: case 0x3f: util::stream_format(stream, "movbu (%s, a%d), d%d", i8str(opcodes.r8(pc+2)), (opcode>>2) & 3, opcode & 3); return 3; case 0x40: case 0x41: case 0x42: case 0x43: case 0x44: case 0x45: case 0x46: case 0x47: case 0x48: case 0x49: case 0x4a: case 0x4b: case 0x4c: case 0x4d: case 0x4e: case 0x4f: { u8 opcode2 = opcodes.r8(pc+2); switch(opcode2) { case 0x00: util::stream_format(stream, "mulql d%d, d%d", (opcode>>3) & 3, opcode & 3); return 3; case 0x01: util::stream_format(stream, "mulqh d%d, d%d", (opcode>>3) & 3, opcode & 3); return 3; default: goto illegal3; } } case 0x50: case 0x51: case 0x52: case 0x53: case 0x54: case 0x55: case 0x56: case 0x57: case 0x58: case 0x59: case 0x5a: case 0x5b: case 0x5c: case 0x5d: case 0x5e: case 0x5f: util::stream_format(stream, "movx d%d, (%s, a%d)", opcode & 3, i8str(opcodes.r8(pc+2)), (opcode>>2) & 3); return 3; case 0x60: case 0x61: case 0x62: case 0x63: case 0x64: case 0x65: case 0x66: case 0x67: case 0x68: case 0x69: case 0x6a: case 0x6b: case 0x6c: case 0x6d: case 0x6e: case 0x6f: { u8 opcode2 = opcodes.r8(pc+2); switch(opcode2) { case 0x10: util::stream_format(stream, "mulq d%d, d%d", (opcode>>3) & 3, opcode & 3); return 3; default: goto illegal3; } } case 0x70: case 0x71: case 0x72: case 0x73: case 0x74: case 0x75: case 0x76: case 0x77: case 0x78: case 0x79: case 0x7a: case 0x7b: case 0x7c: case 0x7d: case 0x7e: case 0x7f: util::stream_format(stream, "movx (%s, a%d), d%d", i8str(opcodes.r8(pc+2)), (opcode>>2) & 3, opcode & 3); return 3; case 0x80: case 0x81: case 0x82: case 0x83: case 0x84: case 0x85: case 0x86: case 0x87: case 0x88: case 0x89: case 0x8a: case 0x8b: case 0x8c: case 0x8d: case 0x8e: case 0x8f: util::stream_format(stream, "tbz (%s, a%d) %d, $%x", i8str(opcodes.r8(pc+2)), (opcode>>3)&1, opcode & 7, (pc+4+(s8)opcodes.r8(pc+3)) & 0xffffff); return 4; case 0x90: case 0x91: case 0x92: case 0x93: case 0x94: case 0x95: case 0x96: case 0x97: case 0x98: case 0x99: case 0x9a: case 0x9b: case 0x9c: case 0x9d: case 0x9e: case 0x9f: util::stream_format(stream, "bset (%s, a%d) %d", i8str(opcodes.r8(pc+2)), (opcode>>3)&1, opcode & 7); return 3; case 0xa0: case 0xa1: case 0xa2: case 0xa3: case 0xa4: case 0xa5: case 0xa6: case 0xa7: case 0xa8: case 0xa9: case 0xaa: case 0xab: case 0xac: case 0xad: case 0xae: case 0xaf: util::stream_format(stream, "tbnz (%s, a%d) %d, $%x", i8str(opcodes.r8(pc+2)), (opcode>>3)&1, opcode & 7, (pc+4+(s8)opcodes.r8(pc+3)) & 0xffffff); return 4; case 0xb0: case 0xb1: case 0xb2: case 0xb3: case 0xb4: case 0xb5: case 0xb6: case 0xb7: case 0xb8: case 0xb9: case 0xba: case 0xbb: case 0xbc: case 0xbd: case 0xbe: case 0xbf: util::stream_format(stream, "bclr (%s, a%d) %d", i8str(opcodes.r8(pc+2)), (opcode>>3)&1, opcode & 7); return 3; case 0xc0: case 0xc1: case 0xc2: case 0xc3: case 0xc4: case 0xc5: case 0xc6: case 0xc7: util::stream_format(stream, "tbz ($%x) %d, $%x", opcodes.r16(pc+2), opcode & 7, (pc+5+(s8)opcodes.r8(pc+4)) & 0xffffff); return 5; case 0xc8: case 0xc9: case 0xca: case 0xcb: case 0xcc: case 0xcd: case 0xce: case 0xcf: util::stream_format(stream, "tbnz ($%x) %d, $%x", opcodes.r16(pc+2), opcode & 7, (pc+5+(s8)opcodes.r8(pc+4)) & 0xffffff); return 5; case 0xd0: case 0xd1: case 0xd2: case 0xd3: case 0xd4: case 0xd5: case 0xd6: case 0xd7: util::stream_format(stream, "bset ($%x) %d", opcodes.r16(pc+2), opcode & 7); return 4; case 0xd8: case 0xd9: case 0xda: case 0xdb: case 0xdc: case 0xdd: case 0xde: case 0xdf: util::stream_format(stream, "bclr ($%x) %d", opcodes.r16(pc+2), opcode & 7); return 4; case 0xe0: util::stream_format(stream, "bltx $%x", (pc+3+s8(opcodes.r8(pc+2))) & 0xffffff); return 3; case 0xe1: util::stream_format(stream, "bgtx $%x", (pc+3+s8(opcodes.r8(pc+2))) & 0xffffff); return 3; case 0xe2: util::stream_format(stream, "bgex $%x", (pc+3+s8(opcodes.r8(pc+2))) & 0xffffff); return 3; case 0xe3: util::stream_format(stream, "blex $%x", (pc+3+s8(opcodes.r8(pc+2))) & 0xffffff); return 3; case 0xe4: util::stream_format(stream, "bcsx $%x", (pc+3+s8(opcodes.r8(pc+2))) & 0xffffff); return 3; case 0xe5: util::stream_format(stream, "bhix $%x", (pc+3+s8(opcodes.r8(pc+2))) & 0xffffff); return 3; case 0xe6: util::stream_format(stream, "bccx $%x", (pc+3+s8(opcodes.r8(pc+2))) & 0xffffff); return 3; case 0xe7: util::stream_format(stream, "blsx $%x", (pc+3+s8(opcodes.r8(pc+2))) & 0xffffff); return 3; case 0xe8: util::stream_format(stream, "beqx $%x", (pc+3+s8(opcodes.r8(pc+2))) & 0xffffff); return 3; case 0xe9: util::stream_format(stream, "bnex $%x", (pc+3+s8(opcodes.r8(pc+2))) & 0xffffff); return 3; case 0xec: util::stream_format(stream, "bvcx $%x", (pc+3+s8(opcodes.r8(pc+2))) & 0xffffff); return 3; case 0xed: util::stream_format(stream, "bvsx $%x", (pc+3+s8(opcodes.r8(pc+2))) & 0xffffff); return 3; case 0xee: util::stream_format(stream, "bncx $%x", (pc+3+s8(opcodes.r8(pc+2))) & 0xffffff); return 3; case 0xef: util::stream_format(stream, "bnsx $%x", (pc+3+s8(opcodes.r8(pc+2))) & 0xffffff); return 3; case 0xf0: case 0xf1: case 0xf2: case 0xf3: case 0xf4: case 0xf5: case 0xf6: case 0xf7: { u8 opcode2 = opcodes.r8(pc+2); switch(opcode2) { case 0x04: util::stream_format(stream, "mulql %s, d%d", i8str(opcodes.r8(pc+3)), opcode & 3); return 4; case 0x05: util::stream_format(stream, "mulqh %s, d%d", i8str(opcodes.r8(pc+3)), opcode & 3); return 4; case 0x08: util::stream_format(stream, "mulql %s, d%d", i16str(opcodes.r16(pc+3)), opcode & 3); return 5; case 0x09: util::stream_format(stream, "mulqh %s, d%d", i16str(opcodes.r16(pc+3)), opcode & 3); return 5; default: goto illegal3; } } case 0xfc: util::stream_format(stream, "bvc $%x", (pc+3+s8(opcodes.r8(pc+2))) & 0xffffff); return 3; case 0xfd: util::stream_format(stream, "bvs $%x", (pc+3+s8(opcodes.r8(pc+2))) & 0xffffff); return 3; case 0xfe: util::stream_format(stream, "bnc $%x", (pc+3+s8(opcodes.r8(pc+2))) & 0xffffff); return 3; case 0xff: util::stream_format(stream, "bns $%x", (pc+3+s8(opcodes.r8(pc+2))) & 0xffffff); return 3; default: goto illegal2; } case 0xf6: util::stream_format(stream, "nop"); return 1; case 0xf7: opcode = opcodes.r8(pc+1); switch(opcode) { case 0x00: case 0x01: case 0x02: case 0x03: util::stream_format(stream, "and $%04x, d%d", opcodes.r16(pc+2), opcode & 3); return 4; case 0x04: case 0x05: case 0x06: case 0x07: util::stream_format(stream, "btst $%04x, d%d", opcodes.r16(pc+2), opcode & 3); return 4; case 0x08: case 0x09: case 0x0a: case 0x0b: util::stream_format(stream, "add %s, a%d", i16str(opcodes.r16(pc+2)), opcode & 3); return 4; case 0x0c: case 0x0d: case 0x0e: case 0x0f: util::stream_format(stream, "sub %s, a%d", i16str(opcodes.r16(pc+2)), opcode & 3); return 4; case 0x10: util::stream_format(stream, "and $%04x, psw", opcodes.r16(pc+2)); return 4; case 0x14: util::stream_format(stream, "or $%04x, psw", opcodes.r16(pc+2)); return 4; case 0x18: case 0x19: case 0x1a: case 0x1b: util::stream_format(stream, "add %s, d%d", i16str(opcodes.r16(pc+2)), opcode & 3); return 4; case 0x1c: case 0x1d: case 0x1e: case 0x1f: util::stream_format(stream, "sub %s, d%d", i16str(opcodes.r16(pc+2)), opcode & 3); return 4; case 0x20: case 0x21: case 0x22: case 0x23: util::stream_format(stream, "mov a%d, ($%04x)", opcode & 3, opcodes.r16(pc+2)); return 4; case 0x30: case 0x31: case 0x32: case 0x33: util::stream_format(stream, "mov ($%04x), a%d", opcodes.r16(pc+2), opcode & 3); return 4; case 0x40: case 0x41: case 0x42: case 0x43: util::stream_format(stream, "or $%04x, d%d", opcodes.r16(pc+2), opcode & 3); return 4; case 0x48: case 0x49: case 0x4a: case 0x4b: util::stream_format(stream, "cmp %s, d%d", i16str(opcodes.r16(pc+2)), opcode & 3); return 4; case 0x4c: case 0x4d: case 0x4e: case 0x4f: util::stream_format(stream, "xor $%04x, d%d", opcodes.r16(pc+2), opcode & 3); return 4; case 0x50: case 0x51: case 0x52: case 0x53: case 0x54: case 0x55: case 0x56: case 0x57: case 0x58: case 0x59: case 0x5a: case 0x5b: case 0x5c: case 0x5d: case 0x5e: case 0x5f: util::stream_format(stream, "movbu (%s, a%d), d%d", i16str(opcodes.r16(pc+2)), (opcode>>2) & 3, opcode & 3); return 4; case 0x60: case 0x61: case 0x62: case 0x63: case 0x64: case 0x65: case 0x66: case 0x67: case 0x68: case 0x69: case 0x6a: case 0x6b: case 0x6c: case 0x6d: case 0x6e: case 0x6f: util::stream_format(stream, "movx d%d, (%s, a%d)", opcode & 3, i16str(opcodes.r16(pc+2)), (opcode>>2) & 3); return 4; case 0x70: case 0x71: case 0x72: case 0x73: case 0x74: case 0x75: case 0x76: case 0x77: case 0x78: case 0x79: case 0x7a: case 0x7b: case 0x7c: case 0x7d: case 0x7e: case 0x7f: util::stream_format(stream, "movx (%s, a%d), d%d", i16str(opcodes.r16(pc+2)), (opcode>>2) & 3, opcode & 3); return 4; case 0x80: case 0x81: case 0x82: case 0x83: case 0x84: case 0x85: case 0x86: case 0x87: case 0x88: case 0x89: case 0x8a: case 0x8b: case 0x8c: case 0x8d: case 0x8e: case 0x8f: util::stream_format(stream, "mov d%d, (%s, a%d)", opcode & 3, i16str(opcodes.r16(pc+2)), (opcode>>2) & 3); return 4; case 0x90: case 0x91: case 0x92: case 0x93: case 0x94: case 0x95: case 0x96: case 0x97: case 0x98: case 0x99: case 0x9a: case 0x9b: case 0x9c: case 0x9d: case 0x9e: case 0x9f: util::stream_format(stream, "movb d%d, (%s, a%d)", opcode & 3, i16str(opcodes.r16(pc+2)), (opcode>>2) & 3); return 4; case 0xa0: case 0xa1: case 0xa2: case 0xa3: case 0xa4: case 0xa5: case 0xa6: case 0xa7: case 0xa8: case 0xa9: case 0xaa: case 0xab: case 0xac: case 0xad: case 0xae: case 0xaf: util::stream_format(stream, "mov a%d, (%s, a%d)", opcode & 3, i16str(opcodes.r16(pc+2)), (opcode>>2) & 3); return 4; case 0xb0: case 0xb1: case 0xb2: case 0xb3: case 0xb4: case 0xb5: case 0xb6: case 0xb7: case 0xb8: case 0xb9: case 0xba: case 0xbb: case 0xbc: case 0xbd: case 0xbe: case 0xbf: util::stream_format(stream, "mov (%s, a%d), a%d", i16str(opcodes.r16(pc+2)), (opcode>>2) & 3, opcode & 3); return 4; case 0xc0: case 0xc1: case 0xc2: case 0xc3: case 0xc4: case 0xc5: case 0xc6: case 0xc7: case 0xc8: case 0xc9: case 0xca: case 0xcb: case 0xcc: case 0xcd: case 0xce: case 0xcf: util::stream_format(stream, "mov (%s, a%d), d%d", i16str(opcodes.r16(pc+2)), (opcode>>2) & 3, opcode & 3); return 4; case 0xd0: case 0xd1: case 0xd2: case 0xd3: case 0xd4: case 0xd5: case 0xd6: case 0xd7: case 0xd8: case 0xd9: case 0xda: case 0xdb: case 0xdc: case 0xdd: case 0xde: case 0xdf: util::stream_format(stream, "movb (%s, a%d), d%d", i16str(opcodes.r16(pc+2)), (opcode>>2) & 3, opcode & 3); return 4; default: goto illegal2; } case 0xf8: case 0xf9: case 0xfa: case 0xfb: util::stream_format(stream, "mov %s, d%d", i16str(opcodes.r16(pc+1)), opcode & 3); return 3; case 0xfc: util::stream_format(stream, "jmp $%x", (pc+3+s16(opcodes.r16(pc+1))) & 0xffffff); return 3; case 0xfd: util::stream_format(stream, "jsr $%x", (pc+3+s16(opcodes.r16(pc+1))) & 0xffffff); return 3; case 0xfe: util::stream_format(stream, "rts"); return 1; default: goto illegal1; }; illegal1: util::stream_format(stream, "dc.b $%02x", opcodes.r8(pc)); return 1; illegal2: util::stream_format(stream, "dc.b $%02x $%02x", opcodes.r8(pc), opcodes.r8(pc+1)); return 2; illegal3: util::stream_format(stream, "dc.b $%02x $%02x $%02x", opcodes.r8(pc), opcodes.r8(pc+1), opcodes.r8(pc+2)); return 3; }