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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 ! 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 ! 54: % instruction ! 55: % ! 56: ! 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 01dd dDDD:00:-----:-----:13: ADDA.W #j,d[Areg] ! 146: 0101 jjj0 10dd dDDD:00:-----:-----:13: ADDA.L #j,d[Areg] ! 147: 0101 jjj0 zzdd dDDD:00:XNZVC:-----:13: ADD.z #j,d[!Areg] ! 148: 0101 jjj1 01dd dDDD:00:-----:-----:13: SUBA.W #j,d[Areg] ! 149: 0101 jjj1 10dd dDDD:00:-----:-----:13: SUBA.L #j,d[Areg] ! 150: 0101 jjj1 zzdd dDDD:00:XNZVC:-----:13: SUB.z #j,d[!Areg] ! 151: 0101 cccc 1100 1rrr:00:-----:+++++:31: DBcc.W Dr,#1 ! 152: 0101 cccc 11dd dDDD:00:-----:+++++:20: Scc.B d[!Areg] ! 153: 0101 cccc 1111 1010:20:?????:?????:10: TRAPcc #1 ! 154: 0101 cccc 1111 1011:20:?????:?????:10: TRAPcc #2 ! 155: 0101 cccc 1111 1100:20:?????:?????:00: TRAPcc ! 156: ! 157: % Bxx.L is 68020 only, but setting the CPU level to 2 would give illegal ! 158: % instruction exceptions when compiling a 68000 only emulation, which isn't ! 159: % what we want either. ! 160: 0110 0001 0000 0000:00://///://///:40: BSR.W #1 ! 161: 0110 0001 IIII IIII:00://///://///:40: BSR.B #i ! 162: 0110 0001 1111 1111:00://///://///:40: BSR.L #2 ! 163: 0110 CCCC 0000 0000:00:-----:+++++:40: Bcc.W #1 ! 164: 0110 CCCC IIII IIII:00:-----:+++++:40: Bcc.B #i ! 165: 0110 CCCC 1111 1111:00:-----:+++++:40: Bcc.L #2 ! 166: ! 167: 0111 rrr0 iiii iiii:00:-NZ00:-----:12: MOVE.L #i,Dr ! 168: ! 169: 1000 rrr0 zzss sSSS:00:-NZ00:-----:13: OR.z s[!Areg],Dr ! 170: 1000 rrr0 11ss sSSS:00:?????:?????:13: DIVU.W s[!Areg],Dr ! 171: 1000 rrr1 00dd dDDD:00:XxZxC:X-Z--:13: SBCD.B d[Dreg],Dr ! 172: 1000 rrr1 00dd dDDD:00:XxZxC:X-Z--:13: SBCD.B d[Areg-Apdi],Arp ! 173: 1000 rrr1 zzdd dDDD:00:-NZ00:-----:13: OR.z Dr,d[!Areg,Dreg] ! 174: 1000 rrr1 01dd dDDD:20:?????:?????:12: PACK d[Dreg],Dr ! 175: 1000 rrr1 01dd dDDD:20:?????:?????:12: PACK d[Areg-Apdi],Arp ! 176: 1000 rrr1 10dd dDDD:20:?????:?????:12: UNPK d[Dreg],Dr ! 177: 1000 rrr1 10dd dDDD:20:?????:?????:12: UNPK d[Areg-Apdi],Arp ! 178: 1000 rrr1 11ss sSSS:00:?????:?????:13: DIVS.W s[!Areg],Dr ! 179: ! 180: 1001 rrr0 zzss sSSS:00:XNZVC:-----:13: SUB.z s,Dr ! 181: 1001 rrr0 11ss sSSS:00:-----:-----:13: SUBA.W s,Ar ! 182: 1001 rrr1 zzdd dDDD:00:XNZVC:X-Z--:13: SUBX.z d[Dreg],Dr ! 183: 1001 rrr1 zzdd dDDD:00:XNZVC:X-Z--:13: SUBX.z d[Areg-Apdi],Arp ! 184: 1001 rrr1 zzdd dDDD:00:XNZVC:-----:13: SUB.z Dr,d[!Areg,Dreg] ! 185: 1001 rrr1 11ss sSSS:00:-----:-----:13: SUBA.L s,Ar ! 186: ! 187: 1011 rrr0 zzss sSSS:00:-NZVC:-----:11: CMP.z s,Dr ! 188: 1011 rrr0 11ss sSSS:00:-NZVC:-----:11: CMPA.W s,Ar ! 189: 1011 rrr1 11ss sSSS:00:-NZVC:-----:11: CMPA.L s,Ar ! 190: 1011 rrr1 zzdd dDDD:00:-NZVC:-----:11: CMPM.z d[Areg-Aipi],ArP ! 191: 1011 rrr1 zzdd dDDD:00:-NZ00:-----:13: EOR.z Dr,d[!Areg] ! 192: ! 193: 1100 rrr0 zzss sSSS:00:-NZ00:-----:13: AND.z s[!Areg],Dr ! 194: 1100 rrr0 11ss sSSS:00:-NZ00:-----:13: MULU.W s[!Areg],Dr ! 195: 1100 rrr1 00dd dDDD:00:XxZxC:X-Z--:13: ABCD.B d[Dreg],Dr ! 196: 1100 rrr1 00dd dDDD:00:XxZxC:X-Z--:13: ABCD.B d[Areg-Apdi],Arp ! 197: 1100 rrr1 zzdd dDDD:00:-NZ00:-----:13: AND.z Dr,d[!Areg,Dreg] ! 198: 1100 rrr1 01dd dDDD:00:-----:-----:33: EXG.L Dr,d[Dreg] ! 199: 1100 rrr1 01dd dDDD:00:-----:-----:33: EXG.L Ar,d[Areg] ! 200: 1100 rrr1 10dd dDDD:00:-----:-----:33: EXG.L Dr,d[Areg] ! 201: 1100 rrr1 11ss sSSS:00:-NZ00:-----:13: MULS.W s[!Areg],Dr ! 202: ! 203: 1101 rrr0 zzss sSSS:00:XNZVC:-----:13: ADD.z s,Dr ! 204: 1101 rrr0 11ss sSSS:00:-----:-----:13: ADDA.W s,Ar ! 205: 1101 rrr1 zzdd dDDD:00:XNZVC:X-Z--:13: ADDX.z d[Dreg],Dr ! 206: 1101 rrr1 zzdd dDDD:00:XNZVC:X-Z--:13: ADDX.z d[Areg-Apdi],Arp ! 207: 1101 rrr1 zzdd dDDD:00:XNZVC:-----:13: ADD.z Dr,d[!Areg,Dreg] ! 208: 1101 rrr1 11ss sSSS:00:-----:-----:13: ADDA.L s,Ar ! 209: ! 210: 1110 jjjf zz00 0RRR:00:XNZVC:-----:13: ASf.z #j,DR ! 211: 1110 jjjf zz00 1RRR:00:XNZ0C:-----:13: LSf.z #j,DR ! 212: 1110 jjjf zz01 0RRR:00:XNZ0C:X----:13: ROXf.z #j,DR ! 213: 1110 jjjf zz01 1RRR:00:-NZ0C:-----:13: ROf.z #j,DR ! 214: 1110 rrrf zz10 0RRR:00:XNZVC:X----:13: ASf.z Dr,DR ! 215: 1110 rrrf zz10 1RRR:00:XNZ0C:X----:13: LSf.z Dr,DR ! 216: 1110 rrrf zz11 0RRR:00:XNZ0C:X----:13: ROXf.z Dr,DR ! 217: 1110 rrrf zz11 1RRR:00:-NZ0C:-----:13: ROf.z Dr,DR ! 218: 1110 000f 11dd dDDD:00:XNZVC:-----:13: ASfW.W d[!Dreg,Areg] ! 219: 1110 001f 11dd dDDD:00:XNZ0C:-----:13: LSfW.W d[!Dreg,Areg] ! 220: 1110 010f 11dd dDDD:00:XNZ0C:X----:13: ROXfW.W d[!Dreg,Areg] ! 221: 1110 011f 11dd dDDD:00:-NZ0C:-----:13: ROfW.W d[!Dreg,Areg] ! 222: ! 223: 1110 1000 11ss sSSS:20:?????:?????:11: BFTST #1,s[!Areg,Apdi,Aipi,Immd] ! 224: 1110 1001 11ss sSSS:20:?????:?????:11: BFEXTU #1,s[!Areg,Apdi,Aipi,Immd] ! 225: 1110 1010 11ss sSSS:20:?????:?????:13: BFCHG #1,s[!Areg,Apdi,Aipi,Immd,PC8r,PC16] ! 226: 1110 1011 11ss sSSS:20:?????:?????:11: BFEXTS #1,s[!Areg,Apdi,Aipi,Immd] ! 227: 1110 1100 11ss sSSS:20:?????:?????:13: BFCLR #1,s[!Areg,Apdi,Aipi,Immd,PC8r,PC16] ! 228: 1110 1101 11ss sSSS:20:?????:?????:11: BFFFO #1,s[!Areg,Apdi,Aipi,Immd] ! 229: 1110 1110 11ss sSSS:20:?????:?????:13: BFSET #1,s[!Areg,Apdi,Aipi,Immd,PC8r,PC16] ! 230: 1110 1111 11ss sSSS:20:?????:?????:13: BFINS #1,s[!Areg,Apdi,Aipi,Immd,PC8r,PC16] ! 231: ! 232: % floating point co processor ! 233: 1111 0010 00ss sSSS:30:?????:?????:11: FPP #1,s ! 234: 1111 0010 01ss sSSS:30:?????:?????:11: FDBcc #1,s[Areg-Dreg] ! 235: 1111 0010 01ss sSSS:30:?????:?????:11: FScc #1,s[!Areg,Immd,PC8r,PC16] ! 236: 1111 0010 0111 1010:30:?????:?????:10: FTRAPcc #1 ! 237: 1111 0010 0111 1011:30:?????:?????:10: FTRAPcc #2 ! 238: 1111 0010 0111 1100:30:?????:?????:00: FTRAPcc ! 239: 1111 0010 10KK KKKK:30:?????:?????:11: FBcc #K,#1 ! 240: 1111 0010 11KK KKKK:30:?????:?????:11: FBcc #K,#2 ! 241: 1111 0011 00ss sSSS:32:?????:?????:20: FSAVE s[!Dreg,Areg,Aipi,Immd,PC8r,PC16] ! 242: 1111 0011 01ss sSSS:32:?????:?????:10: FRESTORE s[!Dreg,Areg,Apdi,Immd] ! 243: ! 244: 1111 0101 iiii iSSS:40:?????:?????:11: MMUOP #i,s ! 245: ! 246: % 68040 instructions ! 247: 1111 0100 ii00 1rrr:42:-----:-----:02: CINVL #i,Ar ! 248: 1111 0100 ii01 0rrr:42:-----:-----:02: CINVP #i,Ar ! 249: 1111 0100 ii01 1rrr:42:-----:-----:00: CINVA #i ! 250: 1111 0100 ii10 1rrr:42:-----:-----:02: CPUSHL #i,Ar ! 251: 1111 0100 ii11 0rrr:42:-----:-----:02: CPUSHP #i,Ar ! 252: 1111 0100 ii11 1rrr:42:-----:-----:00: CPUSHA #i ! 253: 1111 0110 0010 0rrr:40:-----:-----:12: MOVE16 ArP,ARP
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