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1.1 root 1: % 0: bit 0
2: % 1: bit 1
3: % c: condition code
4: % C: condition codes, except F
5: % f: direction
6: % i: immediate
7: % I: immediate, except 00 and ff
8: % j: immediate 1..8
9: % J: immediate 0..15
10: % k: immediate 0..7
11: % K: immediate 0..63
12: % s: source mode
13: % S: source reg
14: % d: dest mode
15: % D: dest reg
16: % r: reg
17: % z: size
18: %
19: % Actually, a sssSSS may appear as a destination, and
20: % vice versa. The only difference between sssSSS and
21: % dddDDD are the valid addressing modes. There is
22: % no match for immediate and pc-rel. addressing modes
23: % in case of dddDDD.
24: %
25: % Arp: --> -(Ar)
26: % ArP: --> (Ar)+
27: %
28: % Fields on a line:
29: % 16 chars bitpattern :
30: % CPU level / privildge level :
31: % CPU level 0: 68000
32: % 1: 68010
33: % 2: 68020
34: % privilege level 0: not privileged
35: % 1: unprivileged only on 68000 (check regs.s)
36: % 2: privileged (check regs.s)
37: % 3: privileged if size == word (check regs.s)
38: % Flags set by instruction: XNZVC :
39: % Flags used by instruction: XNZVC :
40: % - means flag unaffected / unused
41: % 0 means flag reset
42: % 1 means flag set
43: % ? means programmer was too lazy to check or instruction may trap
44: % + means instruction is conditional branch
45: % everything else means flag set/used
46: % / means instruction is unconditional branch/call
47: % x means flag is unknown and well-behaved programs shouldn't check it
1.1.1.3 ! root 48: % srcaddr status destaddr status :
! 49: % bitmasks of
! 50: % 1 means fetched
! 51: % 2 means stored
! 52: % 4 means jump offset
! 53: % 8 means jump address
1.1 root 54: % instruction
55: %
56:
1.1.1.3 ! root 57: 0000 0000 0011 1100:00:XNZVC:XNZVC:10: ORSR.B #1
! 58: 0000 0000 0111 1100:02:?????:?????:10: ORSR.W #1
! 59: 0000 0zz0 11ss sSSS:20:?????:?????:11: CHK2.z #1,s[!Dreg,Areg,Aipi,Apdi,Immd]
! 60: 0000 0000 zzdd dDDD:00:-NZ00:-----:13: OR.z #z,d[!Areg]
! 61: 0000 0010 0011 1100:00:XNZVC:XNZVC:10: ANDSR.B #1
! 62: 0000 0010 0111 1100:02:?????:?????:10: ANDSR.W #1
! 63: 0000 0010 zzdd dDDD:00:-NZ00:-----:13: AND.z #z,d[!Areg]
! 64: 0000 0100 zzdd dDDD:00:XNZVC:-----:13: SUB.z #z,d[!Areg]
! 65: 0000 0110 zzdd dDDD:00:XNZVC:-----:13: ADD.z #z,d[!Areg]
! 66: 0000 0110 11ss sSSS:20:?????:?????:10: CALLM s[!Dreg,Areg,Aipi,Apdi,Immd]
! 67: 0000 0110 11ss sSSS:20:?????:?????:10: RTM s[Dreg,Areg]
! 68: 0000 1000 00ss sSSS:00:--Z--:-----:11: BTST #1,s[!Areg]
! 69: 0000 1000 01ss sSSS:00:--Z--:-----:13: BCHG #1,s[!Areg,Immd]
! 70: 0000 1000 10ss sSSS:00:--Z--:-----:13: BCLR #1,s[!Areg,Immd]
! 71: 0000 1000 11ss sSSS:00:--Z--:-----:13: BSET #1,s[!Areg,Immd]
! 72: 0000 1010 0011 1100:00:XNZVC:XNZVC:10: EORSR.B #1
! 73: 0000 1010 0111 1100:02:?????:?????:10: EORSR.W #1
! 74: 0000 1010 zzdd dDDD:00:-NZ00:-----:13: EOR.z #z,d[!Areg]
! 75: 0000 1100 zzss sSSS:00:-NZVC:-----:11: CMP.z #z,s[!Areg,Immd]
! 76:
! 77: 0000 1010 11ss sSSS:20:?????:?????:13: CAS.B #1,s[!Dreg,Areg,Immd,PC8r,PC16]
! 78: 0000 1100 11ss sSSS:20:?????:?????:13: CAS.W #1,s[!Dreg,Areg,Immd,PC8r,PC16]
! 79: 0000 1100 1111 1100:20:?????:?????:10: CAS2.W #2
! 80: 0000 1110 zzss sSSS:22:?????:?????:13: MOVES.z #1,s[!Dreg,Areg,Immd,PC8r,PC16]
! 81: 0000 1110 11ss sSSS:20:?????:?????:13: CAS.L #1,s[!Dreg,Areg,Immd,PC8r,PC16]
! 82: 0000 1110 1111 1100:20:?????:?????:10: CAS2.L #2
! 83:
! 84: 0000 rrr1 00dd dDDD:00:-----:-----:12: MVPMR.W d[Areg-Ad16],Dr
! 85: 0000 rrr1 01dd dDDD:00:-----:-----:12: MVPMR.L d[Areg-Ad16],Dr
! 86: 0000 rrr1 10dd dDDD:00:-----:-----:12: MVPRM.W Dr,d[Areg-Ad16]
! 87: 0000 rrr1 11dd dDDD:00:-----:-----:12: MVPRM.L Dr,d[Areg-Ad16]
! 88: 0000 rrr1 00ss sSSS:00:--Z--:-----:11: BTST Dr,s[!Areg]
! 89: 0000 rrr1 01ss sSSS:00:--Z--:-----:13: BCHG Dr,s[!Areg,Immd]
! 90: 0000 rrr1 10ss sSSS:00:--Z--:-----:13: BCLR Dr,s[!Areg,Immd]
! 91: 0000 rrr1 11ss sSSS:00:--Z--:-----:13: BSET Dr,s[!Areg,Immd]
! 92:
! 93: 0001 DDDd ddss sSSS:00:-NZ00:-----:12: MOVE.B s,d[!Areg]
! 94: 0010 DDDd ddss sSSS:00:-----:-----:12: MOVEA.L s,d[Areg]
! 95: 0010 DDDd ddss sSSS:00:-NZ00:-----:12: MOVE.L s,d[!Areg]
! 96: 0011 DDDd ddss sSSS:00:-----:-----:12: MOVEA.W s,d[Areg]
! 97: 0011 DDDd ddss sSSS:00:-NZ00:-----:12: MOVE.W s,d[!Areg]
! 98:
! 99: 0100 0000 zzdd dDDD:00:XxZxC:-----:30: NEGX.z d[!Areg]
! 100: 0100 0000 11dd dDDD:01:?????:?????:10: MVSR2.W d[!Areg]
! 101: 0100 0010 zzdd dDDD:00:-0100:-----:20: CLR.z d[!Areg]
! 102: 0100 0010 11dd dDDD:10:?????:?????:10: MVSR2.B d[!Areg]
! 103: 0100 0100 zzdd dDDD:00:XNZVC:-----:30: NEG.z d[!Areg]
! 104: 0100 0100 11ss sSSS:00:XNZVC:-----:10: MV2SR.B s[!Areg]
! 105: 0100 0110 zzdd dDDD:00:-NZ00:-----:30: NOT.z d[!Areg]
! 106: 0100 0110 11ss sSSS:02:?????:?????:10: MV2SR.W s[!Areg]
! 107: 0100 1000 0000 1rrr:20:-----:-----:31: LINK.L Ar,#2
! 108: 0100 1000 00dd dDDD:00:X?Z?C:X-Z--:30: NBCD.B d[!Areg]
! 109: 0100 1000 0100 1kkk:20:?????:?????:10: BKPT #k
! 110: 0100 1000 01ss sSSS:00:-NZ00:-----:30: SWAP.W s[Dreg]
! 111: 0100 1000 01ss sSSS:00:-----:-----:00: PEA.L s[!Dreg,Areg,Aipi,Apdi,Immd]
! 112: 0100 1000 10dd dDDD:00:-NZ00:-----:30: EXT.W d[Dreg]
! 113: 0100 1000 10dd dDDD:00:-----:-----:02: MVMLE.W #1,d[!Dreg,Areg,Aipi]
! 114: 0100 1000 11dd dDDD:00:-NZ00:-----:30: EXT.L d[Dreg]
! 115: 0100 1000 11dd dDDD:00:-----:-----:02: MVMLE.L #1,d[!Dreg,Areg,Aipi]
! 116: 0100 1001 11dd dDDD:00:-NZ00:-----:30: EXT.B d[Dreg]
! 117: 0100 1010 zzss sSSS:00:-NZ00:-----:10: TST.z s
! 118: 0100 1010 11dd dDDD:00:?????:?????:30: TAS.B d[!Areg]
! 119: 0100 1010 1111 1100:00:?????:?????:00: ILLEGAL
! 120: 0100 1100 00ss sSSS:20:-NZVC:-----:13: MULL.L #1,s[!Areg]
! 121: 0100 1100 01ss sSSS:20:?????:?????:13: DIVL.L #1,s[!Areg]
! 122: 0100 1100 10ss sSSS:00:-----:-----:01: MVMEL.W #1,s[!Dreg,Areg,Apdi,Immd]
! 123: 0100 1100 11ss sSSS:00:-----:-----:01: MVMEL.L #1,s[!Dreg,Areg,Apdi,Immd]
! 124: 0100 1110 0100 JJJJ:00:-----:XNZVC:10: TRAP #J
! 125: 0100 1110 0101 0rrr:00:-----:-----:31: LINK.W Ar,#1
! 126: 0100 1110 0101 1rrr:00:-----:-----:30: UNLK.L Ar
! 127: 0100 1110 0110 0rrr:02:-----:-----:10: MVR2USP.L Ar
! 128: 0100 1110 0110 1rrr:02:-----:-----:20: MVUSP2R.L Ar
! 129: 0100 1110 0111 0000:02:-----:-----:00: RESET
! 130: 0100 1110 0111 0001:00:-----:-----:00: NOP
! 131: 0100 1110 0111 0010:02:XNZVC:-----:10: STOP #1
! 132: 0100 1110 0111 0011:02:XNZVC:-----:00: RTE
! 133: 0100 1110 0111 0100:00:?????:?????:10: RTD #1
! 134: 0100 1110 0111 0101:00:-----:-----:00: RTS
! 135: 0100 1110 0111 0110:00:-----:XNZVC:00: TRAPV
! 136: 0100 1110 0111 0111:00:XNZVC:-----:00: RTR
! 137: 0100 1110 0111 1010:12:?????:?????:10: MOVEC2 #1
! 138: 0100 1110 0111 1011:12:?????:?????:10: MOVE2C #1
! 139: 0100 1110 10ss sSSS:00://///://///:80: JSR.L s[!Dreg,Areg,Aipi,Apdi,Immd]
! 140: 0100 rrr1 00ss sSSS:00:?????:?????:11: CHK.L s[!Areg],Dr
! 141: 0100 rrr1 10ss sSSS:00:?????:?????:11: CHK.W s[!Areg],Dr
! 142: 0100 1110 11ss sSSS:00://///://///:80: JMP.L s[!Dreg,Areg,Aipi,Apdi,Immd]
! 143: 0100 rrr1 11ss sSSS:00:-----:-----:02: LEA.L s[!Dreg,Areg,Aipi,Apdi,Immd],Ar
! 144:
! 145: 0101 jjj0 zzdd dDDD:00:-----:-----:13: ADDA.z #j,d[Areg]
! 146: 0101 jjj0 zzdd dDDD:00:XNZVC:-----:13: ADD.z #j,d[!Areg]
! 147: 0101 jjj1 zzdd dDDD:00:-----:-----:13: SUBA.z #j,d[Areg]
! 148: 0101 jjj1 zzdd dDDD:00:XNZVC:-----:13: SUB.z #j,d[!Areg]
! 149: 0101 cccc 1100 1rrr:00:-----:+++++:31: DBcc.W Dr,#1
! 150: 0101 cccc 11dd dDDD:00:-----:+++++:20: Scc.B d[!Areg]
! 151: 0101 cccc 1111 1010:20:?????:?????:10: TRAPcc #1
! 152: 0101 cccc 1111 1011:20:?????:?????:10: TRAPcc #2
! 153: 0101 cccc 1111 1100:20:?????:?????:00: TRAPcc
1.1 root 154:
155: % Bxx.L is 68020 only, but setting the CPU level to 2 would give illegal
156: % instruction exceptions when compiling a 68000 only emulation, which isn't
157: % what we want either.
1.1.1.3 ! root 158: 0110 0001 0000 0000:00://///://///:40: BSR.W #1
! 159: 0110 0001 IIII IIII:00://///://///:40: BSR.B #i
! 160: 0110 0001 1111 1111:00://///://///:40: BSR.L #2
! 161: 0110 CCCC 0000 0000:00:-----:+++++:40: Bcc.W #1
! 162: 0110 CCCC IIII IIII:00:-----:+++++:40: Bcc.B #i
! 163: 0110 CCCC 1111 1111:00:-----:+++++:40: Bcc.L #2
! 164:
! 165: 0111 rrr0 iiii iiii:00:-NZ00:-----:12: MOVE.L #i,Dr
! 166:
! 167: 1000 rrr0 zzss sSSS:00:-NZ00:-----:13: OR.z s[!Areg],Dr
! 168: 1000 rrr0 11ss sSSS:00:?????:?????:13: DIVU.W s[!Areg],Dr
! 169: 1000 rrr1 00dd dDDD:00:XxZxC:X-Z--:13: SBCD.B d[Dreg],Dr
! 170: 1000 rrr1 00dd dDDD:00:XxZxC:X-Z--:13: SBCD.B d[Areg-Apdi],Arp
! 171: 1000 rrr1 zzdd dDDD:00:-NZ00:-----:13: OR.z Dr,d[!Areg,Dreg]
! 172: 1000 rrr1 01dd dDDD:20:?????:?????:12: PACK d[Dreg],Dr
! 173: 1000 rrr1 01dd dDDD:20:?????:?????:12: PACK d[Areg-Apdi],Arp
! 174: 1000 rrr1 10dd dDDD:20:?????:?????:12: UNPK d[Dreg],Dr
! 175: 1000 rrr1 10dd dDDD:20:?????:?????:12: UNPK d[Areg-Apdi],Arp
! 176: 1000 rrr1 11ss sSSS:00:?????:?????:13: DIVS.W s[!Areg],Dr
! 177:
! 178: 1001 rrr0 zzss sSSS:00:XNZVC:-----:13: SUB.z s,Dr
! 179: 1001 rrr0 11ss sSSS:00:-----:-----:13: SUBA.W s,Ar
! 180: 1001 rrr1 zzdd dDDD:00:XNZVC:X-Z--:13: SUBX.z d[Dreg],Dr
! 181: 1001 rrr1 zzdd dDDD:00:XNZVC:X-Z--:13: SUBX.z d[Areg-Apdi],Arp
! 182: 1001 rrr1 zzdd dDDD:00:XNZVC:-----:13: SUB.z Dr,d[!Areg,Dreg]
! 183: 1001 rrr1 11ss sSSS:00:-----:-----:13: SUBA.L s,Ar
! 184:
! 185: 1011 rrr0 zzss sSSS:00:-NZVC:-----:11: CMP.z s,Dr
! 186: 1011 rrr0 11ss sSSS:00:-NZVC:-----:11: CMPA.W s,Ar
! 187: 1011 rrr1 11ss sSSS:00:-NZVC:-----:11: CMPA.L s,Ar
! 188: 1011 rrr1 zzdd dDDD:00:-NZVC:-----:11: CMPM.z d[Areg-Aipi],ArP
! 189: 1011 rrr1 zzdd dDDD:00:-NZ00:-----:13: EOR.z Dr,d[!Areg]
! 190:
! 191: 1100 rrr0 zzss sSSS:00:-NZ00:-----:13: AND.z s[!Areg],Dr
! 192: 1100 rrr0 11ss sSSS:00:-NZ00:-----:13: MULU.W s[!Areg],Dr
! 193: 1100 rrr1 00dd dDDD:00:XxZxC:X-Z--:13: ABCD.B d[Dreg],Dr
! 194: 1100 rrr1 00dd dDDD:00:XxZxC:X-Z--:13: ABCD.B d[Areg-Apdi],Arp
! 195: 1100 rrr1 zzdd dDDD:00:-NZ00:-----:13: AND.z Dr,d[!Areg,Dreg]
! 196: 1100 rrr1 01dd dDDD:00:-----:-----:33: EXG.L Dr,d[Dreg]
! 197: 1100 rrr1 01dd dDDD:00:-----:-----:33: EXG.L Ar,d[Areg]
! 198: 1100 rrr1 10dd dDDD:00:-----:-----:33: EXG.L Dr,d[Areg]
! 199: 1100 rrr1 11ss sSSS:00:-NZ00:-----:13: MULS.W s[!Areg],Dr
! 200:
! 201: 1101 rrr0 zzss sSSS:00:XNZVC:-----:13: ADD.z s,Dr
! 202: 1101 rrr0 11ss sSSS:00:-----:-----:13: ADDA.W s,Ar
! 203: 1101 rrr1 zzdd dDDD:00:XNZVC:X-Z--:13: ADDX.z d[Dreg],Dr
! 204: 1101 rrr1 zzdd dDDD:00:XNZVC:X-Z--:13: ADDX.z d[Areg-Apdi],Arp
! 205: 1101 rrr1 zzdd dDDD:00:XNZVC:-----:13: ADD.z Dr,d[!Areg,Dreg]
! 206: 1101 rrr1 11ss sSSS:00:-----:-----:13: ADDA.L s,Ar
! 207:
! 208: 1110 jjjf zz00 0RRR:00:XNZVC:-----:13: ASf.z #j,DR
! 209: 1110 jjjf zz00 1RRR:00:XNZ0C:-----:13: LSf.z #j,DR
! 210: 1110 jjjf zz01 0RRR:00:XNZ0C:X----:13: ROXf.z #j,DR
! 211: 1110 jjjf zz01 1RRR:00:-NZ0C:-----:13: ROf.z #j,DR
! 212: 1110 rrrf zz10 0RRR:00:XNZVC:X----:13: ASf.z Dr,DR
! 213: 1110 rrrf zz10 1RRR:00:XNZ0C:X----:13: LSf.z Dr,DR
! 214: 1110 rrrf zz11 0RRR:00:XNZ0C:X----:13: ROXf.z Dr,DR
! 215: 1110 rrrf zz11 1RRR:00:-NZ0C:-----:13: ROf.z Dr,DR
! 216: 1110 000f 11dd dDDD:00:XNZVC:-----:13: ASfW.W d[!Dreg,Areg]
! 217: 1110 001f 11dd dDDD:00:XNZ0C:-----:13: LSfW.W d[!Dreg,Areg]
! 218: 1110 010f 11dd dDDD:00:XNZ0C:X----:13: ROXfW.W d[!Dreg,Areg]
! 219: 1110 011f 11dd dDDD:00:-NZ0C:-----:13: ROfW.W d[!Dreg,Areg]
! 220:
! 221: 1110 1000 11ss sSSS:20:?????:?????:11: BFTST #1,s[!Areg,Apdi,Aipi,Immd]
! 222: 1110 1001 11ss sSSS:20:?????:?????:11: BFEXTU #1,s[!Areg,Apdi,Aipi,Immd]
! 223: 1110 1010 11ss sSSS:20:?????:?????:13: BFCHG #1,s[!Areg,Apdi,Aipi,Immd,PC8r,PC16]
! 224: 1110 1011 11ss sSSS:20:?????:?????:11: BFEXTS #1,s[!Areg,Apdi,Aipi,Immd]
! 225: 1110 1100 11ss sSSS:20:?????:?????:13: BFCLR #1,s[!Areg,Apdi,Aipi,Immd,PC8r,PC16]
! 226: 1110 1101 11ss sSSS:20:?????:?????:11: BFFFO #1,s[!Areg,Apdi,Aipi,Immd]
! 227: 1110 1110 11ss sSSS:20:?????:?????:13: BFSET #1,s[!Areg,Apdi,Aipi,Immd,PC8r,PC16]
! 228: 1110 1111 11ss sSSS:20:?????:?????:13: BFINS #1,s[!Areg,Apdi,Aipi,Immd,PC8r,PC16]
1.1 root 229:
230: % floating point co processor
1.1.1.3 ! root 231: 1111 0010 00ss sSSS:30:?????:?????:11: FPP #1,s
! 232: 1111 0010 01ss sSSS:30:?????:?????:11: FDBcc #1,s[Areg-Dreg]
! 233: 1111 0010 01ss sSSS:30:?????:?????:11: FScc #1,s[!Areg,Immd,PC8r,PC16]
! 234: 1111 0010 0111 1010:30:?????:?????:10: FTRAPcc #1
! 235: 1111 0010 0111 1011:30:?????:?????:10: FTRAPcc #2
! 236: 1111 0010 0111 1100:30:?????:?????:00: FTRAPcc
! 237: 1111 0010 10KK KKKK:30:?????:?????:11: FBcc #K,#1
! 238: 1111 0010 11KK KKKK:30:?????:?????:11: FBcc #K,#2
! 239: 1111 0011 00ss sSSS:32:?????:?????:20: FSAVE s[!Dreg,Areg,Aipi,Immd,PC8r,PC16]
! 240: 1111 0011 01ss sSSS:32:?????:?????:10: FRESTORE s[!Dreg,Areg,Apdi,Immd]
1.1 root 241:
1.1.1.3 ! root 242: 1111 0000 00ss sSSS:40:?????:?????:11: MMUOP #1,s
This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.