diff options
Diffstat (limited to 'src/devices/cpu/mb88xx/mb88dasm.cpp')
-rw-r--r-- | src/devices/cpu/mb88xx/mb88dasm.cpp | 321 |
1 files changed, 115 insertions, 206 deletions
diff --git a/src/devices/cpu/mb88xx/mb88dasm.cpp b/src/devices/cpu/mb88xx/mb88dasm.cpp index 2ab2856e1e8..02c08b80477 100644 --- a/src/devices/cpu/mb88xx/mb88dasm.cpp +++ b/src/devices/cpu/mb88xx/mb88dasm.cpp @@ -2,7 +2,6 @@ // copyright-holders:Ernesto Corvi /******************************************************************************* - mb88dasm.c Core implementation for the portable Fujitsu MB88xx series MCU disassembler. Written by Ernesto Corvi @@ -12,216 +11,126 @@ #include "emu.h" #include "mb88dasm.h" -u32 mb88_disassembler::opcode_alignment() const -{ - return 1; -} - offs_t mb88_disassembler::disassemble(std::ostream &stream, offs_t pc, const data_buffer &opcodes, const data_buffer ¶ms) { - unsigned startpc = pc; - uint8_t op = opcodes.r8(pc++); - uint8_t arg = opcodes.r8(pc); + offs_t startpc = pc; + u8 op = opcodes.r8(pc++); + u8 arg = opcodes.r8(pc); - switch( op ) + switch (op) { - case 0x00: util::stream_format( stream, "nop" ); break; - case 0x01: util::stream_format( stream, "outO (PortO<=A)" ); break; - case 0x02: util::stream_format( stream, "outP" ); break; - case 0x03: util::stream_format( stream, "outR (PortR[Y]<=A)" ); break; - case 0x04: util::stream_format( stream, "tay (Y<=A)" ); break; - case 0x05: util::stream_format( stream, "tath (TH<=A)" ); break; - case 0x06: util::stream_format( stream, "tatl (TL<=A)" ); break; - case 0x07: util::stream_format( stream, "tas (SB<=A)" ); break; - case 0x08: util::stream_format( stream, "icy (Y++)" ); break; - case 0x09: util::stream_format( stream, "icm (M[X,Y]++)" ); break; - case 0x0A: util::stream_format( stream, "stic (M[X,Y]<=A; Y++)" ); break; - case 0x0B: util::stream_format( stream, "x (A<=>M[X,Y])" ); break; - case 0x0C: util::stream_format( stream, "rol" ); break; - case 0x0D: util::stream_format( stream, "load (A<=M[X,Y])" ); break; - case 0x0E: util::stream_format( stream, "adc (A<=A+M[X,Y]+cf)" ); break; - case 0x0F: util::stream_format( stream, "and (A<=A & M[X,Y])" ); break; - case 0x10: util::stream_format( stream, "daa (A<=A+6 if (A>9 | cf=1)" ); break; - case 0x11: util::stream_format( stream, "das (A<=A+10 if (A>9 | cf=1)" ); break; - case 0x12: util::stream_format( stream, "inK (A<=PortK)" ); break; - case 0x13: util::stream_format( stream, "inR (A<=PortR[Y])" ); break; - case 0x14: util::stream_format( stream, "tya (A<=Y)" ); break; - case 0x15: util::stream_format( stream, "ttha (A<=TH)" ); break; - case 0x16: util::stream_format( stream, "ttla (A<=TL)" ); break; - case 0x17: util::stream_format( stream, "tsa (A<=S)" ); break; - case 0x18: util::stream_format( stream, "dcy (Y--)" ); break; - case 0x19: util::stream_format( stream, "dcm (M[X,Y]--)" ); break; - case 0x1A: util::stream_format( stream, "stdc (M[X,Y]<=A; Y--)" ); break; - case 0x1B: util::stream_format( stream, "xx (A<=>X)" ); break; - case 0x1C: util::stream_format( stream, "ror" ); break; - case 0x1D: util::stream_format( stream, "store (M[X,Y]<=A)" ); break; - case 0x1E: util::stream_format( stream, "sbc (A<=M[X,Y]-A-cf)" ); break; - case 0x1F: util::stream_format( stream, "or (A<=A | M[X,Y])" ); break; - case 0x20: util::stream_format( stream, "setR (PortR bit[Y]<=1)" ); break; - case 0x21: util::stream_format( stream, "setc (cf<=1)" ); break; - case 0x22: util::stream_format( stream, "rstR (PortR bit[Y]<=0)" ); break; - case 0x23: util::stream_format( stream, "rstc (cf<=0)" ); break; - case 0x24: util::stream_format( stream, "tstR (st<=PortR bit[Y])" ); break; - case 0x25: util::stream_format( stream, "tsti (st<=IRQ Line)" ); break; - case 0x26: util::stream_format( stream, "tstv (st<=vf)" ); break; - case 0x27: util::stream_format( stream, "tsts (st<=sf)" ); break; - case 0x28: util::stream_format( stream, "tstc (st<=cf)" ); break; - case 0x29: util::stream_format( stream, "tstz (st<=zf)" ); break; - case 0x2A: util::stream_format( stream, "sts (M[X,Y]<=SB)" ); break; - case 0x2B: util::stream_format( stream, "ls (SB<=M[X,Y])" ); break; - case 0x2C: util::stream_format( stream, "rts" ); break; - case 0x2D: util::stream_format( stream, "neg (A=-A)" ); break; - case 0x2E: util::stream_format( stream, "c (A==M[X,Y])" ); break; - case 0x2F: util::stream_format( stream, "eor (A ^ M[X,Y])" ); break; - case 0x30: - case 0x31: - case 0x32: - case 0x33: util::stream_format( stream, "sbit%d (M[X,Y] bit%d=1)", op&3, op&3 ); break; - case 0x34: - case 0x35: - case 0x36: - case 0x37: util::stream_format( stream, "rbit%d (M[X,Y] bit%d=0)", op&3, op&3 ); break; - case 0x38: - case 0x39: - case 0x3A: - case 0x3B: util::stream_format( stream, "tbit%d (M[X,Y] bit%d == 1)", op&3, op&3 ); break; - case 0x3C: util::stream_format( stream, "rti" ); break; - case 0x3D: util::stream_format( stream, "jpa #$%02x (jump always)", arg ); pc++; break; - case 0x3E: util::stream_format( stream, "en #$%02x (enable bits)", arg ); pc++; break; - case 0x3F: util::stream_format( stream, "dis #$%02x (disable bits)", arg ); pc++; break; - case 0x40: - case 0x41: - case 0x42: - case 0x43: util::stream_format( stream, "setd%d (PortR bit%d<=1)", op&3, op&3 ); break; - case 0x44: - case 0x45: - case 0x46: - case 0x47: util::stream_format( stream, "rstd%d (PortR bit%d<=0)", op&3, op&3 ); break; - case 0x48: - case 0x49: - case 0x4A: - case 0x4B: util::stream_format( stream, "tstd%d (PortR bit%d == 1)", (op&3)+8, (op&3)+8 ); break; - case 0x4C: - case 0x4D: - case 0x4E: - case 0x4F: util::stream_format( stream, "tba%d (A bit%d == 1)", op&3, op&3 ); break; - case 0x50: - case 0x51: - case 0x52: - case 0x53: util::stream_format( stream, "xd%d (A<=>M[0,%d])", op&3, op&3 ); break; - case 0x54: - case 0x55: - case 0x56: - case 0x57: util::stream_format( stream, "xyd%d (Y<=>M[0,%d])", (op&3)+4, (op&3)+4 ); break; - case 0x58: - case 0x59: - case 0x5A: - case 0x5B: - case 0x5C: - case 0x5D: - case 0x5E: - case 0x5F: util::stream_format( stream, "lxi #$%1x (X<=$%1x)", op&7, op&7 ); break; - case 0x60: - case 0x61: - case 0x62: - case 0x63: - case 0x64: - case 0x65: - case 0x66: - case 0x67: util::stream_format( stream, "call %02x%02x (call if st=1)", op&7, arg ); pc++; break; - case 0x68: - case 0x69: - case 0x6A: - case 0x6B: - case 0x6C: - case 0x6D: - case 0x6E: - case 0x6F: util::stream_format( stream, "jpl %02x%02x (jump if st=1)", op&7, arg ); pc++; break; - case 0x70: - case 0x71: - case 0x72: - case 0x73: - case 0x74: - case 0x75: - case 0x76: - case 0x77: - case 0x78: - case 0x79: - case 0x7A: - case 0x7B: - case 0x7C: - case 0x7D: - case 0x7E: - case 0x7F: util::stream_format( stream, "ai #$%1x (A<=A+$%1x)", op&0xf, op&0xf ); break; - case 0x80: - case 0x81: - case 0x82: - case 0x83: - case 0x84: - case 0x85: - case 0x86: - case 0x87: - case 0x88: - case 0x89: - case 0x8A: - case 0x8B: - case 0x8C: - case 0x8D: - case 0x8E: - case 0x8F: util::stream_format( stream, "lyi #$%1x (Y<=$%1x)", op&0xf, op&0xf ); break; - case 0x90: - case 0x91: - case 0x92: - case 0x93: - case 0x94: - case 0x95: - case 0x96: - case 0x97: - case 0x98: - case 0x99: - case 0x9A: - case 0x9B: - case 0x9C: - case 0x9D: - case 0x9E: - case 0x9F: util::stream_format( stream, "li #$%1x (A<=$%1x)", op&0xf, op&0xf ); break; - case 0xA0: - case 0xA1: - case 0xA2: - case 0xA3: - case 0xA4: - case 0xA5: - case 0xA6: - case 0xA7: - case 0xA8: - case 0xA9: - case 0xAA: - case 0xAB: - case 0xAC: - case 0xAD: - case 0xAE: - case 0xAF: util::stream_format( stream, "cyi #$%1x (Y==$%1x)", op&0xf, op&0xf ); break; - case 0xB0: - case 0xB1: - case 0xB2: - case 0xB3: - case 0xB4: - case 0xB5: - case 0xB6: - case 0xB7: - case 0xB8: - case 0xB9: - case 0xBA: - case 0xBB: - case 0xBC: - case 0xBD: - case 0xBE: - case 0xBF: util::stream_format( stream, "ci #$%1x (A==$%1x)", op&0xf, op&0xf ); break; + case 0x00: util::stream_format(stream, "NOP"); break; + case 0x01: util::stream_format(stream, "OUTO"); break; + case 0x02: util::stream_format(stream, "OUTP"); break; + case 0x03: util::stream_format(stream, "OUT"); break; + case 0x04: util::stream_format(stream, "TAY"); break; + case 0x05: util::stream_format(stream, "TATH"); break; + case 0x06: util::stream_format(stream, "TATL"); break; + case 0x07: util::stream_format(stream, "TAS"); break; + case 0x08: util::stream_format(stream, "ICY"); break; + case 0x09: util::stream_format(stream, "ICM"); break; + case 0x0a: util::stream_format(stream, "STIC"); break; + case 0x0b: util::stream_format(stream, "X"); break; + case 0x0c: util::stream_format(stream, "ROL"); break; + case 0x0d: util::stream_format(stream, "L"); break; + case 0x0e: util::stream_format(stream, "ADC"); break; + case 0x0f: util::stream_format(stream, "AND"); break; + case 0x10: util::stream_format(stream, "DAA"); break; + case 0x11: util::stream_format(stream, "DAS"); break; + case 0x12: util::stream_format(stream, "INK"); break; + case 0x13: util::stream_format(stream, "IN"); break; + case 0x14: util::stream_format(stream, "TYA"); break; + case 0x15: util::stream_format(stream, "TTHA"); break; + case 0x16: util::stream_format(stream, "TTLA"); break; + case 0x17: util::stream_format(stream, "TSA"); break; + case 0x18: util::stream_format(stream, "DCY"); break; + case 0x19: util::stream_format(stream, "DCM"); break; + case 0x1a: util::stream_format(stream, "STDC"); break; + case 0x1b: util::stream_format(stream, "XX"); break; + case 0x1c: util::stream_format(stream, "ROR"); break; + case 0x1d: util::stream_format(stream, "ST"); break; + case 0x1e: util::stream_format(stream, "SBC"); break; + case 0x1f: util::stream_format(stream, "OR"); break; + case 0x20: util::stream_format(stream, "SETR"); break; + case 0x21: util::stream_format(stream, "SETC"); break; + case 0x22: util::stream_format(stream, "RSTR"); break; + case 0x23: util::stream_format(stream, "RSTC"); break; + case 0x24: util::stream_format(stream, "TSTR"); break; + case 0x25: util::stream_format(stream, "TSTI"); break; + case 0x26: util::stream_format(stream, "TSTV"); break; + case 0x27: util::stream_format(stream, "TSTS"); break; + case 0x28: util::stream_format(stream, "TSTC"); break; + case 0x29: util::stream_format(stream, "TSTZ"); break; + case 0x2a: util::stream_format(stream, "STS"); break; + case 0x2b: util::stream_format(stream, "LS"); break; + case 0x2c: util::stream_format(stream, "RTS"); break; + case 0x2d: util::stream_format(stream, "NEG"); break; + case 0x2e: util::stream_format(stream, "C"); break; + case 0x2f: util::stream_format(stream, "EOR"); break; + + case 0x30: case 0x31: case 0x32: case 0x33: + util::stream_format(stream, "SBIT %d", op & 3); break; + case 0x34: case 0x35: case 0x36: case 0x37: + util::stream_format(stream, "RBIT %d", op & 3); break; + case 0x38: case 0x39: case 0x3a: case 0x3b: + util::stream_format(stream, "TBIT %d", op & 3); break; + + case 0x3c: util::stream_format(stream, "RTI"); break; + case 0x3d: util::stream_format(stream, "JPA #$%02X", arg); pc++; break; + case 0x3e: util::stream_format(stream, "EN #$%02X", arg); pc++; break; + case 0x3f: util::stream_format(stream, "DIS #$%02X", arg); pc++; break; + + case 0x40: case 0x41: case 0x42: case 0x43: + util::stream_format(stream, "SETD %d", op & 3); break; + case 0x44: case 0x45: case 0x46: case 0x47: + util::stream_format(stream, "RSTD %d", op & 3); break; + case 0x48: case 0x49: case 0x4a: case 0x4b: + util::stream_format(stream, "TSTD %d", (op & 3) + 8); break; + case 0x4c: case 0x4d: case 0x4e: case 0x4f: + util::stream_format(stream, "TBA %d", op & 3); break; + case 0x50: case 0x51: case 0x52: case 0x53: + util::stream_format(stream, "XD %d", op & 3); break; + case 0x54: case 0x55: case 0x56: case 0x57: + util::stream_format(stream, "XYD %d", (op & 3) + 4); break; + + case 0x58: case 0x59: case 0x5a: case 0x5b: + case 0x5c: case 0x5d: case 0x5e: case 0x5f: + util::stream_format(stream, "LXI #$%1X", op & 7); break; + case 0x60: case 0x61: case 0x62: case 0x63: + case 0x64: case 0x65: case 0x66: case 0x67: + util::stream_format(stream, "CALL $%02X%02X", op & 7, arg); pc++; break; + case 0x68: case 0x69: case 0x6a: case 0x6b: + case 0x6c: case 0x6d: case 0x6e: case 0x6f: + util::stream_format(stream, "JPL $%02X%02X", op & 7, arg); pc++; break; + + case 0x70: case 0x71: case 0x72: case 0x73: + case 0x74: case 0x75: case 0x76: case 0x77: + case 0x78: case 0x79: case 0x7a: case 0x7b: + case 0x7c: case 0x7d: case 0x7e: case 0x7f: + util::stream_format(stream, "AI #$%1X", op & 0xf); break; + 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, "LYI #$%1X", op & 0xf); break; + case 0x90: case 0x91: case 0x92: case 0x93: + case 0x94: case 0x95: case 0x96: case 0x97: + case 0x98: case 0x99: case 0x9a: case 0x9b: + case 0x9c: case 0x9d: case 0x9e: case 0x9f: + util::stream_format(stream, "LI #$%1X", op & 0xf); break; + 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, "CYI #$%1X", op & 0xf); break; + case 0xb0: case 0xb1: case 0xb2: case 0xb3: + case 0xb4: case 0xb5: case 0xb6: case 0xb7: + case 0xb8: case 0xb9: case 0xba: case 0xbb: + case 0xbc: case 0xbd: case 0xbe: case 0xbf: + util::stream_format(stream, "CI #$%1X", op & 0xf); break; - default: - /* C0-FF */ - util::stream_format( stream, "jmp $%04x (jump if st=1)", (pc&(~0x3f))+ op-0xC0 ); - break; + default: // C0-FF + util::stream_format(stream, "JMP $%04X", (pc & ~0x3f) + op - 0xc0); break; } return (pc - startpc) | SUPPORTED; |