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 |
% p: immediate 0..3 (CINV and CPUSH: cache field) |
13 |
% s: source mode |
14 |
% S: source reg |
15 |
% d: dest mode |
16 |
% D: dest reg |
17 |
% r: reg |
18 |
% z: size |
19 |
% |
20 |
% Actually, a sssSSS may appear as a destination, and |
21 |
% vice versa. The only difference between sssSSS and |
22 |
% dddDDD are the valid addressing modes. There is |
23 |
% no match for immediate and pc-rel. addressing modes |
24 |
% in case of dddDDD. |
25 |
% |
26 |
% Arp: --> -(Ar) |
27 |
% ArP: --> (Ar)+ |
28 |
% L: (xxx.L) |
29 |
% |
30 |
% Fields on a line: |
31 |
% 16 chars bitpattern : |
32 |
% CPU level / privilege level : |
33 |
% CPU level 0: 68000 |
34 |
% 1: 68010 |
35 |
% 2: 68020 |
36 |
% 3: 68020/68881 |
37 |
% 4: 68040 |
38 |
% privilege level 0: not privileged |
39 |
% 1: unprivileged only on 68000 (check regs.s) |
40 |
% 2: privileged (check regs.s) |
41 |
% 3: privileged if size == word (check regs.s) |
42 |
% Flags set by instruction: XNZVC : |
43 |
% Flags used by instruction: XNZVC : |
44 |
% - means flag unaffected / unused |
45 |
% 0 means flag reset |
46 |
% 1 means flag set |
47 |
% ? means programmer was too lazy to check or instruction may trap |
48 |
% + means instruction is conditional branch |
49 |
% everything else means flag set/used |
50 |
% / means instruction is unconditional branch/call |
51 |
% x means flag is unknown and well-behaved programs shouldn't check it |
52 |
% srcaddr status destaddr status : |
53 |
% bitmasks of |
54 |
% 1 means fetched |
55 |
% 2 means stored |
56 |
% 4 means jump offset |
57 |
% 8 means jump address |
58 |
% instruction |
59 |
% |
60 |
|
61 |
0000 0000 0011 1100:00:XNZVC:XNZVC:10: ORSR.B #1 |
62 |
0000 0000 0111 1100:02:?????:?????:10: ORSR.W #1 |
63 |
0000 0zz0 11ss sSSS:20:?????:?????:11: CHK2.z #1,s[!Dreg,Areg,Aipi,Apdi,Immd] |
64 |
0000 0000 zzdd dDDD:00:-NZ00:-----:13: OR.z #z,d[!Areg] |
65 |
0000 0010 0011 1100:00:XNZVC:XNZVC:10: ANDSR.B #1 |
66 |
0000 0010 0111 1100:02:?????:?????:10: ANDSR.W #1 |
67 |
0000 0010 zzdd dDDD:00:-NZ00:-----:13: AND.z #z,d[!Areg] |
68 |
0000 0100 zzdd dDDD:00:XNZVC:-----:13: SUB.z #z,d[!Areg] |
69 |
0000 0110 zzdd dDDD:00:XNZVC:-----:13: ADD.z #z,d[!Areg] |
70 |
0000 0110 11ss sSSS:20:?????:?????:10: CALLM s[!Dreg,Areg,Aipi,Apdi,Immd] |
71 |
0000 0110 11ss sSSS:20:?????:?????:10: RTM s[Dreg,Areg] |
72 |
0000 1000 00ss sSSS:00:--Z--:-----:11: BTST #1,s[!Areg] |
73 |
0000 1000 01ss sSSS:00:--Z--:-----:13: BCHG #1,s[!Areg,Immd] |
74 |
0000 1000 10ss sSSS:00:--Z--:-----:13: BCLR #1,s[!Areg,Immd] |
75 |
0000 1000 11ss sSSS:00:--Z--:-----:13: BSET #1,s[!Areg,Immd] |
76 |
0000 1010 0011 1100:00:XNZVC:XNZVC:10: EORSR.B #1 |
77 |
0000 1010 0111 1100:02:?????:?????:10: EORSR.W #1 |
78 |
0000 1010 zzdd dDDD:00:-NZ00:-----:13: EOR.z #z,d[!Areg] |
79 |
0000 1100 zzss sSSS:00:-NZVC:-----:11: CMP.z #z,s[!Areg,Immd] |
80 |
|
81 |
0000 1010 11ss sSSS:20:?????:?????:13: CAS.B #1,s[!Dreg,Areg,Immd,PC8r,PC16] |
82 |
0000 1100 11ss sSSS:20:?????:?????:13: CAS.W #1,s[!Dreg,Areg,Immd,PC8r,PC16] |
83 |
0000 1100 1111 1100:20:?????:?????:10: CAS2.W #2 |
84 |
0000 1110 zzss sSSS:22:?????:?????:13: MOVES.z #1,s[!Dreg,Areg,Immd,PC8r,PC16] |
85 |
0000 1110 11ss sSSS:20:?????:?????:13: CAS.L #1,s[!Dreg,Areg,Immd,PC8r,PC16] |
86 |
0000 1110 1111 1100:20:?????:?????:10: CAS2.L #2 |
87 |
|
88 |
0000 rrr1 00dd dDDD:00:-----:-----:12: MVPMR.W d[Areg-Ad16],Dr |
89 |
0000 rrr1 01dd dDDD:00:-----:-----:12: MVPMR.L d[Areg-Ad16],Dr |
90 |
0000 rrr1 10dd dDDD:00:-----:-----:12: MVPRM.W Dr,d[Areg-Ad16] |
91 |
0000 rrr1 11dd dDDD:00:-----:-----:12: MVPRM.L Dr,d[Areg-Ad16] |
92 |
0000 rrr1 00ss sSSS:00:--Z--:-----:11: BTST Dr,s[!Areg] |
93 |
0000 rrr1 01ss sSSS:00:--Z--:-----:13: BCHG Dr,s[!Areg,Immd] |
94 |
0000 rrr1 10ss sSSS:00:--Z--:-----:13: BCLR Dr,s[!Areg,Immd] |
95 |
0000 rrr1 11ss sSSS:00:--Z--:-----:13: BSET Dr,s[!Areg,Immd] |
96 |
|
97 |
0001 DDDd ddss sSSS:00:-NZ00:-----:12: MOVE.B s,d[!Areg] |
98 |
0010 DDDd ddss sSSS:00:-----:-----:12: MOVEA.L s,d[Areg] |
99 |
0010 DDDd ddss sSSS:00:-NZ00:-----:12: MOVE.L s,d[!Areg] |
100 |
0011 DDDd ddss sSSS:00:-----:-----:12: MOVEA.W s,d[Areg] |
101 |
0011 DDDd ddss sSSS:00:-NZ00:-----:12: MOVE.W s,d[!Areg] |
102 |
|
103 |
0100 0000 zzdd dDDD:00:XxZxC:X-Z--:30: NEGX.z d[!Areg] |
104 |
0100 0000 11dd dDDD:01:?????:?????:10: MVSR2.W d[!Areg] |
105 |
0100 0010 zzdd dDDD:00:-0100:-----:20: CLR.z d[!Areg] |
106 |
0100 0010 11dd dDDD:10:?????:?????:10: MVSR2.B d[!Areg] |
107 |
0100 0100 zzdd dDDD:00:XNZVC:-----:30: NEG.z d[!Areg] |
108 |
0100 0100 11ss sSSS:00:XNZVC:-----:10: MV2SR.B s[!Areg] |
109 |
0100 0110 zzdd dDDD:00:-NZ00:-----:30: NOT.z d[!Areg] |
110 |
0100 0110 11ss sSSS:02:?????:?????:10: MV2SR.W s[!Areg] |
111 |
0100 1000 0000 1rrr:20:-----:-----:31: LINK.L Ar,#2 |
112 |
0100 1000 00dd dDDD:00:X?Z?C:X-Z--:30: NBCD.B d[!Areg] |
113 |
0100 1000 0100 1kkk:20:?????:?????:10: BKPT #k |
114 |
0100 1000 01ss sSSS:00:-NZ00:-----:30: SWAP.W s[Dreg] |
115 |
0100 1000 01ss sSSS:00:-----:-----:00: PEA.L s[!Dreg,Areg,Aipi,Apdi,Immd] |
116 |
0100 1000 10dd dDDD:00:-NZ00:-----:30: EXT.W d[Dreg] |
117 |
0100 1000 10dd dDDD:00:-----:-----:02: MVMLE.W #1,d[!Dreg,Areg,Aipi] |
118 |
0100 1000 11dd dDDD:00:-NZ00:-----:30: EXT.L d[Dreg] |
119 |
0100 1000 11dd dDDD:00:-----:-----:02: MVMLE.L #1,d[!Dreg,Areg,Aipi] |
120 |
0100 1001 11dd dDDD:00:-NZ00:-----:30: EXT.B d[Dreg] |
121 |
0100 1010 zzss sSSS:00:-NZ00:-----:10: TST.z s |
122 |
0100 1010 11dd dDDD:00:?????:?????:30: TAS.B d[!Areg] |
123 |
0100 1010 1111 1100:00:?????:?????:00: ILLEGAL |
124 |
0100 1100 00ss sSSS:20:-NZVC:-----:13: MULL.L #1,s[!Areg] |
125 |
0100 1100 01ss sSSS:20:?????:?????:13: DIVL.L #1,s[!Areg] |
126 |
0100 1100 10ss sSSS:00:-----:-----:01: MVMEL.W #1,s[!Dreg,Areg,Apdi,Immd] |
127 |
0100 1100 11ss sSSS:00:-----:-----:01: MVMEL.L #1,s[!Dreg,Areg,Apdi,Immd] |
128 |
0100 1110 0100 JJJJ:00:-----:XNZVC:10: TRAP #J |
129 |
0100 1110 0101 0rrr:00:-----:-----:31: LINK.W Ar,#1 |
130 |
0100 1110 0101 1rrr:00:-----:-----:30: UNLK.L Ar |
131 |
0100 1110 0110 0rrr:02:-----:-----:10: MVR2USP.L Ar |
132 |
0100 1110 0110 1rrr:02:-----:-----:20: MVUSP2R.L Ar |
133 |
0100 1110 0111 0000:02:-----:-----:00: RESET |
134 |
0100 1110 0111 0001:00:-----:-----:00: NOP |
135 |
0100 1110 0111 0010:02:XNZVC:-----:10: STOP #1 |
136 |
0100 1110 0111 0011:02:XNZVC:-----:00: RTE |
137 |
0100 1110 0111 0100:00:?????:?????:10: RTD #1 |
138 |
0100 1110 0111 0101:00:-----:-----:00: RTS |
139 |
0100 1110 0111 0110:00:-----:XNZVC:00: TRAPV |
140 |
0100 1110 0111 0111:00:XNZVC:-----:00: RTR |
141 |
0100 1110 0111 1010:12:?????:?????:10: MOVEC2 #1 |
142 |
0100 1110 0111 1011:12:?????:?????:10: MOVE2C #1 |
143 |
0100 1110 10ss sSSS:00://///://///:80: JSR.L s[!Dreg,Areg,Aipi,Apdi,Immd] |
144 |
0100 rrr1 00ss sSSS:00:?????:?????:11: CHK.L s[!Areg],Dr |
145 |
0100 rrr1 10ss sSSS:00:?????:?????:11: CHK.W s[!Areg],Dr |
146 |
0100 1110 11ss sSSS:00://///://///:80: JMP.L s[!Dreg,Areg,Aipi,Apdi,Immd] |
147 |
0100 rrr1 11ss sSSS:00:-----:-----:02: LEA.L s[!Dreg,Areg,Aipi,Apdi,Immd],Ar |
148 |
|
149 |
0101 jjj0 01dd dDDD:00:-----:-----:13: ADDA.W #j,d[Areg] |
150 |
0101 jjj0 10dd dDDD:00:-----:-----:13: ADDA.L #j,d[Areg] |
151 |
0101 jjj0 zzdd dDDD:00:XNZVC:-----:13: ADD.z #j,d[!Areg] |
152 |
0101 jjj1 01dd dDDD:00:-----:-----:13: SUBA.W #j,d[Areg] |
153 |
0101 jjj1 10dd dDDD:00:-----:-----:13: SUBA.L #j,d[Areg] |
154 |
0101 jjj1 zzdd dDDD:00:XNZVC:-----:13: SUB.z #j,d[!Areg] |
155 |
0101 cccc 1100 1rrr:00:-----:-++++:31: DBcc.W Dr,#1 |
156 |
0101 cccc 11dd dDDD:00:-----:-++++:20: Scc.B d[!Areg] |
157 |
0101 cccc 1111 1010:20:?????:?????:10: TRAPcc #1 |
158 |
0101 cccc 1111 1011:20:?????:?????:10: TRAPcc #2 |
159 |
0101 cccc 1111 1100:20:?????:?????:00: TRAPcc |
160 |
|
161 |
% Bxx.L is 68020 only, but setting the CPU level to 2 would give illegal |
162 |
% instruction exceptions when compiling a 68000 only emulation, which isn't |
163 |
% what we want either. |
164 |
0110 0001 0000 0000:00://///://///:40: BSR.W #1 |
165 |
0110 0001 IIII IIII:00://///://///:40: BSR.B #i |
166 |
0110 0001 1111 1111:00://///://///:40: BSR.L #2 |
167 |
0110 CCCC 0000 0000:00:-----:-++++:40: Bcc.W #1 |
168 |
0110 CCCC IIII IIII:00:-----:-++++:40: Bcc.B #i |
169 |
0110 CCCC 1111 1111:00:-----:-++++:40: Bcc.L #2 |
170 |
|
171 |
0111 rrr0 iiii iiii:00:-NZ00:-----:12: MOVE.L #i,Dr |
172 |
|
173 |
1000 rrr0 zzss sSSS:00:-NZ00:-----:13: OR.z s[!Areg],Dr |
174 |
1000 rrr0 11ss sSSS:00:?????:?????:13: DIVU.W s[!Areg],Dr |
175 |
1000 rrr1 00dd dDDD:00:XxZxC:X-Z--:13: SBCD.B d[Dreg],Dr |
176 |
1000 rrr1 00dd dDDD:00:XxZxC:X-Z--:13: SBCD.B d[Areg-Apdi],Arp |
177 |
1000 rrr1 zzdd dDDD:00:-NZ00:-----:13: OR.z Dr,d[!Areg,Dreg] |
178 |
1000 rrr1 01dd dDDD:20:?????:?????:12: PACK d[Dreg],Dr |
179 |
1000 rrr1 01dd dDDD:20:?????:?????:12: PACK d[Areg-Apdi],Arp |
180 |
1000 rrr1 10dd dDDD:20:?????:?????:12: UNPK d[Dreg],Dr |
181 |
1000 rrr1 10dd dDDD:20:?????:?????:12: UNPK d[Areg-Apdi],Arp |
182 |
1000 rrr1 11ss sSSS:00:?????:?????:13: DIVS.W s[!Areg],Dr |
183 |
|
184 |
1001 rrr0 zzss sSSS:00:XNZVC:-----:13: SUB.z s,Dr |
185 |
1001 rrr0 11ss sSSS:00:-----:-----:13: SUBA.W s,Ar |
186 |
1001 rrr1 zzdd dDDD:00:XNZVC:X-Z--:13: SUBX.z d[Dreg],Dr |
187 |
1001 rrr1 zzdd dDDD:00:XNZVC:X-Z--:13: SUBX.z d[Areg-Apdi],Arp |
188 |
1001 rrr1 zzdd dDDD:00:XNZVC:-----:13: SUB.z Dr,d[!Areg,Dreg] |
189 |
1001 rrr1 11ss sSSS:00:-----:-----:13: SUBA.L s,Ar |
190 |
|
191 |
1011 rrr0 zzss sSSS:00:-NZVC:-----:11: CMP.z s,Dr |
192 |
1011 rrr0 11ss sSSS:00:-NZVC:-----:11: CMPA.W s,Ar |
193 |
1011 rrr1 11ss sSSS:00:-NZVC:-----:11: CMPA.L s,Ar |
194 |
1011 rrr1 zzdd dDDD:00:-NZVC:-----:11: CMPM.z d[Areg-Aipi],ArP |
195 |
1011 rrr1 zzdd dDDD:00:-NZ00:-----:13: EOR.z Dr,d[!Areg] |
196 |
|
197 |
1100 rrr0 zzss sSSS:00:-NZ00:-----:13: AND.z s[!Areg],Dr |
198 |
1100 rrr0 11ss sSSS:00:-NZ00:-----:13: MULU.W s[!Areg],Dr |
199 |
1100 rrr1 00dd dDDD:00:XxZxC:X-Z--:13: ABCD.B d[Dreg],Dr |
200 |
1100 rrr1 00dd dDDD:00:XxZxC:X-Z--:13: ABCD.B d[Areg-Apdi],Arp |
201 |
1100 rrr1 zzdd dDDD:00:-NZ00:-----:13: AND.z Dr,d[!Areg,Dreg] |
202 |
1100 rrr1 01dd dDDD:00:-----:-----:33: EXG.L Dr,d[Dreg] |
203 |
1100 rrr1 01dd dDDD:00:-----:-----:33: EXG.L Ar,d[Areg] |
204 |
1100 rrr1 10dd dDDD:00:-----:-----:33: EXG.L Dr,d[Areg] |
205 |
1100 rrr1 11ss sSSS:00:-NZ00:-----:13: MULS.W s[!Areg],Dr |
206 |
|
207 |
1101 rrr0 zzss sSSS:00:XNZVC:-----:13: ADD.z s,Dr |
208 |
1101 rrr0 11ss sSSS:00:-----:-----:13: ADDA.W s,Ar |
209 |
1101 rrr1 zzdd dDDD:00:XNZVC:X-Z--:13: ADDX.z d[Dreg],Dr |
210 |
1101 rrr1 zzdd dDDD:00:XNZVC:X-Z--:13: ADDX.z d[Areg-Apdi],Arp |
211 |
1101 rrr1 zzdd dDDD:00:XNZVC:-----:13: ADD.z Dr,d[!Areg,Dreg] |
212 |
1101 rrr1 11ss sSSS:00:-----:-----:13: ADDA.L s,Ar |
213 |
|
214 |
1110 jjjf zz00 0RRR:00:XNZVC:-----:13: ASf.z #j,DR |
215 |
1110 jjjf zz00 1RRR:00:XNZ0C:-----:13: LSf.z #j,DR |
216 |
1110 jjjf zz01 0RRR:00:XNZ0C:X----:13: ROXf.z #j,DR |
217 |
1110 jjjf zz01 1RRR:00:-NZ0C:-----:13: ROf.z #j,DR |
218 |
1110 rrrf zz10 0RRR:00:XNZVC:X----:13: ASf.z Dr,DR |
219 |
1110 rrrf zz10 1RRR:00:XNZ0C:X----:13: LSf.z Dr,DR |
220 |
1110 rrrf zz11 0RRR:00:XNZ0C:X----:13: ROXf.z Dr,DR |
221 |
1110 rrrf zz11 1RRR:00:-NZ0C:-----:13: ROf.z Dr,DR |
222 |
1110 000f 11dd dDDD:00:XNZVC:-----:13: ASfW.W d[!Dreg,Areg] |
223 |
1110 001f 11dd dDDD:00:XNZ0C:-----:13: LSfW.W d[!Dreg,Areg] |
224 |
1110 010f 11dd dDDD:00:XNZ0C:X----:13: ROXfW.W d[!Dreg,Areg] |
225 |
1110 011f 11dd dDDD:00:-NZ0C:-----:13: ROfW.W d[!Dreg,Areg] |
226 |
|
227 |
1110 1000 11ss sSSS:20:?????:?????:11: BFTST #1,s[!Areg,Apdi,Aipi,Immd] |
228 |
1110 1001 11ss sSSS:20:?????:?????:11: BFEXTU #1,s[!Areg,Apdi,Aipi,Immd] |
229 |
1110 1010 11ss sSSS:20:?????:?????:13: BFCHG #1,s[!Areg,Apdi,Aipi,Immd,PC8r,PC16] |
230 |
1110 1011 11ss sSSS:20:?????:?????:11: BFEXTS #1,s[!Areg,Apdi,Aipi,Immd] |
231 |
1110 1100 11ss sSSS:20:?????:?????:13: BFCLR #1,s[!Areg,Apdi,Aipi,Immd,PC8r,PC16] |
232 |
1110 1101 11ss sSSS:20:?????:?????:11: BFFFO #1,s[!Areg,Apdi,Aipi,Immd] |
233 |
1110 1110 11ss sSSS:20:?????:?????:13: BFSET #1,s[!Areg,Apdi,Aipi,Immd,PC8r,PC16] |
234 |
1110 1111 11ss sSSS:20:?????:?????:13: BFINS #1,s[!Areg,Apdi,Aipi,Immd,PC8r,PC16] |
235 |
|
236 |
% floating point co processor |
237 |
1111 0010 00ss sSSS:30:?????:?????:11: FPP #1,s |
238 |
1111 0010 01ss sSSS:30:?????:?????:11: FDBcc #1,s[Areg-Dreg] |
239 |
1111 0010 01ss sSSS:30:?????:?????:11: FScc #1,s[!Areg,Immd,PC8r,PC16] |
240 |
1111 0010 0111 1010:30:?????:?????:10: FTRAPcc #1 |
241 |
1111 0010 0111 1011:30:?????:?????:10: FTRAPcc #2 |
242 |
1111 0010 0111 1100:30:?????:?????:00: FTRAPcc |
243 |
1111 0010 10KK KKKK:30:?????:?????:11: FBcc #K,#1 |
244 |
1111 0010 11KK KKKK:30:?????:?????:11: FBcc #K,#2 |
245 |
1111 0011 00ss sSSS:32:?????:?????:20: FSAVE s[!Dreg,Areg,Aipi,Immd,PC8r,PC16] |
246 |
1111 0011 01ss sSSS:32:?????:?????:10: FRESTORE s[!Dreg,Areg,Apdi,Immd] |
247 |
|
248 |
% 68040 instructions |
249 |
1111 0101 iiii iSSS:40:?????:?????:11: MMUOP #i,s |
250 |
1111 0100 pp00 1rrr:42:-----:-----:02: CINVL #p,Ar |
251 |
1111 0100 pp01 0rrr:42:-----:-----:02: CINVP #p,Ar |
252 |
1111 0100 pp01 1rrr:42:-----:-----:00: CINVA #p |
253 |
1111 0100 pp10 1rrr:42:-----:-----:02: CPUSHL #p,Ar |
254 |
1111 0100 pp11 0rrr:42:-----:-----:02: CPUSHP #p,Ar |
255 |
1111 0100 pp11 1rrr:42:-----:-----:00: CPUSHA #p |
256 |
% destination register number is encoded in the following word |
257 |
1111 0110 0010 0rrr:40:-----:-----:12: MOVE16 ArP,AxP |
258 |
1111 0110 00ss sSSS:40:-----:-----:12: MOVE16 s[Dreg-Aipi],L |
259 |
1111 0110 00dd dDDD:40:-----:-----:12: MOVE16 L,d[Areg-Aipi] |
260 |
1111 0110 00ss sSSS:40:-----:-----:12: MOVE16 s[Aind],L |
261 |
1111 0110 00dd dDDD:40:-----:-----:12: MOVE16 L,d[Aipi-Aind] |