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root/cebix/BasiliskII/src/uae_cpu/table68k
Revision: 1.3
Committed: 2000-09-22T17:22:09Z (24 years, 1 month ago) by gbeauche
Branch: MAIN
CVS Tags: snapshot-17022001
Changes since 1.2: +8 -2 lines
Log Message:
- fixed ADDQ and SUBQ bitmasks

File Contents

# Content
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 / privilege level :
31 % CPU level 0: 68000
32 % 1: 68010
33 % 2: 68020
34 % 3: 68020/68881
35 % 4: 68040
36 % privilege level 0: not privileged
37 % 1: unprivileged only on 68000 (check regs.s)
38 % 2: privileged (check regs.s)
39 % 3: privileged if size == word (check regs.s)
40 % Flags set by instruction: XNZVC :
41 % Flags used by instruction: XNZVC :
42 % - means flag unaffected / unused
43 % 0 means flag reset
44 % 1 means flag set
45 % ? means programmer was too lazy to check or instruction may trap
46 % + means instruction is conditional branch
47 % everything else means flag set/used
48 % / means instruction is unconditional branch/call
49 % x means flag is unknown and well-behaved programs shouldn't check it
50 % srcaddr status destaddr status :
51 % bitmasks of
52 % 1 means fetched
53 % 2 means stored
54 % 4 means jump offset
55 % 8 means jump address
56 % instruction
57 %
58
59 0000 0000 0011 1100:00:XNZVC:XNZVC:10: ORSR.B #1
60 0000 0000 0111 1100:02:?????:?????:10: ORSR.W #1
61 0000 0zz0 11ss sSSS:20:?????:?????:11: CHK2.z #1,s[!Dreg,Areg,Aipi,Apdi,Immd]
62 0000 0000 zzdd dDDD:00:-NZ00:-----:13: OR.z #z,d[!Areg]
63 0000 0010 0011 1100:00:XNZVC:XNZVC:10: ANDSR.B #1
64 0000 0010 0111 1100:02:?????:?????:10: ANDSR.W #1
65 0000 0010 zzdd dDDD:00:-NZ00:-----:13: AND.z #z,d[!Areg]
66 0000 0100 zzdd dDDD:00:XNZVC:-----:13: SUB.z #z,d[!Areg]
67 0000 0110 zzdd dDDD:00:XNZVC:-----:13: ADD.z #z,d[!Areg]
68 0000 0110 11ss sSSS:20:?????:?????:10: CALLM s[!Dreg,Areg,Aipi,Apdi,Immd]
69 0000 0110 11ss sSSS:20:?????:?????:10: RTM s[Dreg,Areg]
70 0000 1000 00ss sSSS:00:--Z--:-----:11: BTST #1,s[!Areg]
71 0000 1000 01ss sSSS:00:--Z--:-----:13: BCHG #1,s[!Areg,Immd]
72 0000 1000 10ss sSSS:00:--Z--:-----:13: BCLR #1,s[!Areg,Immd]
73 0000 1000 11ss sSSS:00:--Z--:-----:13: BSET #1,s[!Areg,Immd]
74 0000 1010 0011 1100:00:XNZVC:XNZVC:10: EORSR.B #1
75 0000 1010 0111 1100:02:?????:?????:10: EORSR.W #1
76 0000 1010 zzdd dDDD:00:-NZ00:-----:13: EOR.z #z,d[!Areg]
77 0000 1100 zzss sSSS:00:-NZVC:-----:11: CMP.z #z,s[!Areg,Immd]
78
79 0000 1010 11ss sSSS:20:?????:?????:13: CAS.B #1,s[!Dreg,Areg,Immd,PC8r,PC16]
80 0000 1100 11ss sSSS:20:?????:?????:13: CAS.W #1,s[!Dreg,Areg,Immd,PC8r,PC16]
81 0000 1100 1111 1100:20:?????:?????:10: CAS2.W #2
82 0000 1110 zzss sSSS:22:?????:?????:13: MOVES.z #1,s[!Dreg,Areg,Immd,PC8r,PC16]
83 0000 1110 11ss sSSS:20:?????:?????:13: CAS.L #1,s[!Dreg,Areg,Immd,PC8r,PC16]
84 0000 1110 1111 1100:20:?????:?????:10: CAS2.L #2
85
86 0000 rrr1 00dd dDDD:00:-----:-----:12: MVPMR.W d[Areg-Ad16],Dr
87 0000 rrr1 01dd dDDD:00:-----:-----:12: MVPMR.L d[Areg-Ad16],Dr
88 0000 rrr1 10dd dDDD:00:-----:-----:12: MVPRM.W Dr,d[Areg-Ad16]
89 0000 rrr1 11dd dDDD:00:-----:-----:12: MVPRM.L Dr,d[Areg-Ad16]
90 0000 rrr1 00ss sSSS:00:--Z--:-----:11: BTST Dr,s[!Areg]
91 0000 rrr1 01ss sSSS:00:--Z--:-----:13: BCHG Dr,s[!Areg,Immd]
92 0000 rrr1 10ss sSSS:00:--Z--:-----:13: BCLR Dr,s[!Areg,Immd]
93 0000 rrr1 11ss sSSS:00:--Z--:-----:13: BSET Dr,s[!Areg,Immd]
94
95 0001 DDDd ddss sSSS:00:-NZ00:-----:12: MOVE.B s,d[!Areg]
96 0010 DDDd ddss sSSS:00:-----:-----:12: MOVEA.L s,d[Areg]
97 0010 DDDd ddss sSSS:00:-NZ00:-----:12: MOVE.L s,d[!Areg]
98 0011 DDDd ddss sSSS:00:-----:-----:12: MOVEA.W s,d[Areg]
99 0011 DDDd ddss sSSS:00:-NZ00:-----:12: MOVE.W s,d[!Areg]
100
101 0100 0000 zzdd dDDD:00:XxZxC:-----:30: NEGX.z d[!Areg]
102 0100 0000 11dd dDDD:01:?????:?????:10: MVSR2.W d[!Areg]
103 0100 0010 zzdd dDDD:00:-0100:-----:20: CLR.z d[!Areg]
104 0100 0010 11dd dDDD:10:?????:?????:10: MVSR2.B d[!Areg]
105 0100 0100 zzdd dDDD:00:XNZVC:-----:30: NEG.z d[!Areg]
106 0100 0100 11ss sSSS:00:XNZVC:-----:10: MV2SR.B s[!Areg]
107 0100 0110 zzdd dDDD:00:-NZ00:-----:30: NOT.z d[!Areg]
108 0100 0110 11ss sSSS:02:?????:?????:10: MV2SR.W s[!Areg]
109 0100 1000 0000 1rrr:20:-----:-----:31: LINK.L Ar,#2
110 0100 1000 00dd dDDD:00:X?Z?C:X-Z--:30: NBCD.B d[!Areg]
111 0100 1000 0100 1kkk:20:?????:?????:10: BKPT #k
112 0100 1000 01ss sSSS:00:-NZ00:-----:30: SWAP.W s[Dreg]
113 0100 1000 01ss sSSS:00:-----:-----:00: PEA.L s[!Dreg,Areg,Aipi,Apdi,Immd]
114 0100 1000 10dd dDDD:00:-NZ00:-----:30: EXT.W d[Dreg]
115 0100 1000 10dd dDDD:00:-----:-----:02: MVMLE.W #1,d[!Dreg,Areg,Aipi]
116 0100 1000 11dd dDDD:00:-NZ00:-----:30: EXT.L d[Dreg]
117 0100 1000 11dd dDDD:00:-----:-----:02: MVMLE.L #1,d[!Dreg,Areg,Aipi]
118 0100 1001 11dd dDDD:00:-NZ00:-----:30: EXT.B d[Dreg]
119 0100 1010 zzss sSSS:00:-NZ00:-----:10: TST.z s
120 0100 1010 11dd dDDD:00:?????:?????:30: TAS.B d[!Areg]
121 0100 1010 1111 1100:00:?????:?????:00: ILLEGAL
122 0100 1100 00ss sSSS:20:-NZVC:-----:13: MULL.L #1,s[!Areg]
123 0100 1100 01ss sSSS:20:?????:?????:13: DIVL.L #1,s[!Areg]
124 0100 1100 10ss sSSS:00:-----:-----:01: MVMEL.W #1,s[!Dreg,Areg,Apdi,Immd]
125 0100 1100 11ss sSSS:00:-----:-----:01: MVMEL.L #1,s[!Dreg,Areg,Apdi,Immd]
126 0100 1110 0100 JJJJ:00:-----:XNZVC:10: TRAP #J
127 0100 1110 0101 0rrr:00:-----:-----:31: LINK.W Ar,#1
128 0100 1110 0101 1rrr:00:-----:-----:30: UNLK.L Ar
129 0100 1110 0110 0rrr:02:-----:-----:10: MVR2USP.L Ar
130 0100 1110 0110 1rrr:02:-----:-----:20: MVUSP2R.L Ar
131 0100 1110 0111 0000:02:-----:-----:00: RESET
132 0100 1110 0111 0001:00:-----:-----:00: NOP
133 0100 1110 0111 0010:02:XNZVC:-----:10: STOP #1
134 0100 1110 0111 0011:02:XNZVC:-----:00: RTE
135 0100 1110 0111 0100:00:?????:?????:10: RTD #1
136 0100 1110 0111 0101:00:-----:-----:00: RTS
137 0100 1110 0111 0110:00:-----:XNZVC:00: TRAPV
138 0100 1110 0111 0111:00:XNZVC:-----:00: RTR
139 0100 1110 0111 1010:12:?????:?????:10: MOVEC2 #1
140 0100 1110 0111 1011:12:?????:?????:10: MOVE2C #1
141 0100 1110 10ss sSSS:00://///://///:80: JSR.L s[!Dreg,Areg,Aipi,Apdi,Immd]
142 0100 rrr1 00ss sSSS:00:?????:?????:11: CHK.L s[!Areg],Dr
143 0100 rrr1 10ss sSSS:00:?????:?????:11: CHK.W s[!Areg],Dr
144 0100 1110 11ss sSSS:00://///://///:80: JMP.L s[!Dreg,Areg,Aipi,Apdi,Immd]
145 0100 rrr1 11ss sSSS:00:-----:-----:02: LEA.L s[!Dreg,Areg,Aipi,Apdi,Immd],Ar
146
147 % This variant of ADDQ is word and long sized only
148 0101 jjj0 01dd dDDD:00:-----:-----:13: ADDA.W #j,d[Areg]
149 0101 jjj0 10dd dDDD:00:-----:-----:13: ADDA.L #j,d[Areg]
150 0101 jjj0 zzdd dDDD:00:XNZVC:-----:13: ADD.z #j,d[!Areg]
151
152 % This variant of SUBQ is word and long sized only
153 0101 jjj1 01dd dDDD:00:-----:-----:13: SUBA.W #j,d[Areg]
154 0101 jjj1 10dd dDDD:00:-----:-----:13: SUBA.L #j,d[Areg]
155 0101 jjj1 zzdd dDDD:00:XNZVC:-----:13: SUB.z #j,d[!Areg]
156
157 0101 cccc 1100 1rrr:00:-----:+++++:31: DBcc.W Dr,#1
158 0101 cccc 11dd dDDD:00:-----:+++++:20: Scc.B d[!Areg]
159 0101 cccc 1111 1010:20:?????:?????:10: TRAPcc #1
160 0101 cccc 1111 1011:20:?????:?????:10: TRAPcc #2
161 0101 cccc 1111 1100:20:?????:?????:00: TRAPcc
162
163 % Bxx.L is 68020 only, but setting the CPU level to 2 would give illegal
164 % instruction exceptions when compiling a 68000 only emulation, which isn't
165 % what we want either.
166 0110 0001 0000 0000:00://///://///:40: BSR.W #1
167 0110 0001 IIII IIII:00://///://///:40: BSR.B #i
168 0110 0001 1111 1111:00://///://///:40: BSR.L #2
169 0110 CCCC 0000 0000:00:-----:+++++:40: Bcc.W #1
170 0110 CCCC IIII IIII:00:-----:+++++:40: Bcc.B #i
171 0110 CCCC 1111 1111:00:-----:+++++:40: Bcc.L #2
172
173 0111 rrr0 iiii iiii:00:-NZ00:-----:12: MOVE.L #i,Dr
174
175 1000 rrr0 zzss sSSS:00:-NZ00:-----:13: OR.z s[!Areg],Dr
176 1000 rrr0 11ss sSSS:00:?????:?????:13: DIVU.W s[!Areg],Dr
177 1000 rrr1 00dd dDDD:00:XxZxC:X-Z--:13: SBCD.B d[Dreg],Dr
178 1000 rrr1 00dd dDDD:00:XxZxC:X-Z--:13: SBCD.B d[Areg-Apdi],Arp
179 1000 rrr1 zzdd dDDD:00:-NZ00:-----:13: OR.z Dr,d[!Areg,Dreg]
180 1000 rrr1 01dd dDDD:20:?????:?????:12: PACK d[Dreg],Dr
181 1000 rrr1 01dd dDDD:20:?????:?????:12: PACK d[Areg-Apdi],Arp
182 1000 rrr1 10dd dDDD:20:?????:?????:12: UNPK d[Dreg],Dr
183 1000 rrr1 10dd dDDD:20:?????:?????:12: UNPK d[Areg-Apdi],Arp
184 1000 rrr1 11ss sSSS:00:?????:?????:13: DIVS.W s[!Areg],Dr
185
186 1001 rrr0 zzss sSSS:00:XNZVC:-----:13: SUB.z s,Dr
187 1001 rrr0 11ss sSSS:00:-----:-----:13: SUBA.W s,Ar
188 1001 rrr1 zzdd dDDD:00:XNZVC:X-Z--:13: SUBX.z d[Dreg],Dr
189 1001 rrr1 zzdd dDDD:00:XNZVC:X-Z--:13: SUBX.z d[Areg-Apdi],Arp
190 1001 rrr1 zzdd dDDD:00:XNZVC:-----:13: SUB.z Dr,d[!Areg,Dreg]
191 1001 rrr1 11ss sSSS:00:-----:-----:13: SUBA.L s,Ar
192
193 1011 rrr0 zzss sSSS:00:-NZVC:-----:11: CMP.z s,Dr
194 1011 rrr0 11ss sSSS:00:-NZVC:-----:11: CMPA.W s,Ar
195 1011 rrr1 11ss sSSS:00:-NZVC:-----:11: CMPA.L s,Ar
196 1011 rrr1 zzdd dDDD:00:-NZVC:-----:11: CMPM.z d[Areg-Aipi],ArP
197 1011 rrr1 zzdd dDDD:00:-NZ00:-----:13: EOR.z Dr,d[!Areg]
198
199 1100 rrr0 zzss sSSS:00:-NZ00:-----:13: AND.z s[!Areg],Dr
200 1100 rrr0 11ss sSSS:00:-NZ00:-----:13: MULU.W s[!Areg],Dr
201 1100 rrr1 00dd dDDD:00:XxZxC:X-Z--:13: ABCD.B d[Dreg],Dr
202 1100 rrr1 00dd dDDD:00:XxZxC:X-Z--:13: ABCD.B d[Areg-Apdi],Arp
203 1100 rrr1 zzdd dDDD:00:-NZ00:-----:13: AND.z Dr,d[!Areg,Dreg]
204 1100 rrr1 01dd dDDD:00:-----:-----:33: EXG.L Dr,d[Dreg]
205 1100 rrr1 01dd dDDD:00:-----:-----:33: EXG.L Ar,d[Areg]
206 1100 rrr1 10dd dDDD:00:-----:-----:33: EXG.L Dr,d[Areg]
207 1100 rrr1 11ss sSSS:00:-NZ00:-----:13: MULS.W s[!Areg],Dr
208
209 1101 rrr0 zzss sSSS:00:XNZVC:-----:13: ADD.z s,Dr
210 1101 rrr0 11ss sSSS:00:-----:-----:13: ADDA.W s,Ar
211 1101 rrr1 zzdd dDDD:00:XNZVC:X-Z--:13: ADDX.z d[Dreg],Dr
212 1101 rrr1 zzdd dDDD:00:XNZVC:X-Z--:13: ADDX.z d[Areg-Apdi],Arp
213 1101 rrr1 zzdd dDDD:00:XNZVC:-----:13: ADD.z Dr,d[!Areg,Dreg]
214 1101 rrr1 11ss sSSS:00:-----:-----:13: ADDA.L s,Ar
215
216 1110 jjjf zz00 0RRR:00:XNZVC:-----:13: ASf.z #j,DR
217 1110 jjjf zz00 1RRR:00:XNZ0C:-----:13: LSf.z #j,DR
218 1110 jjjf zz01 0RRR:00:XNZ0C:X----:13: ROXf.z #j,DR
219 1110 jjjf zz01 1RRR:00:-NZ0C:-----:13: ROf.z #j,DR
220 1110 rrrf zz10 0RRR:00:XNZVC:X----:13: ASf.z Dr,DR
221 1110 rrrf zz10 1RRR:00:XNZ0C:X----:13: LSf.z Dr,DR
222 1110 rrrf zz11 0RRR:00:XNZ0C:X----:13: ROXf.z Dr,DR
223 1110 rrrf zz11 1RRR:00:-NZ0C:-----:13: ROf.z Dr,DR
224 1110 000f 11dd dDDD:00:XNZVC:-----:13: ASfW.W d[!Dreg,Areg]
225 1110 001f 11dd dDDD:00:XNZ0C:-----:13: LSfW.W d[!Dreg,Areg]
226 1110 010f 11dd dDDD:00:XNZ0C:X----:13: ROXfW.W d[!Dreg,Areg]
227 1110 011f 11dd dDDD:00:-NZ0C:-----:13: ROfW.W d[!Dreg,Areg]
228
229 1110 1000 11ss sSSS:20:?????:?????:11: BFTST #1,s[!Areg,Apdi,Aipi,Immd]
230 1110 1001 11ss sSSS:20:?????:?????:11: BFEXTU #1,s[!Areg,Apdi,Aipi,Immd]
231 1110 1010 11ss sSSS:20:?????:?????:13: BFCHG #1,s[!Areg,Apdi,Aipi,Immd,PC8r,PC16]
232 1110 1011 11ss sSSS:20:?????:?????:11: BFEXTS #1,s[!Areg,Apdi,Aipi,Immd]
233 1110 1100 11ss sSSS:20:?????:?????:13: BFCLR #1,s[!Areg,Apdi,Aipi,Immd,PC8r,PC16]
234 1110 1101 11ss sSSS:20:?????:?????:11: BFFFO #1,s[!Areg,Apdi,Aipi,Immd]
235 1110 1110 11ss sSSS:20:?????:?????:13: BFSET #1,s[!Areg,Apdi,Aipi,Immd,PC8r,PC16]
236 1110 1111 11ss sSSS:20:?????:?????:13: BFINS #1,s[!Areg,Apdi,Aipi,Immd,PC8r,PC16]
237
238 % floating point co processor
239 1111 0010 00ss sSSS:30:?????:?????:11: FPP #1,s
240 1111 0010 01ss sSSS:30:?????:?????:11: FDBcc #1,s[Areg-Dreg]
241 1111 0010 01ss sSSS:30:?????:?????:11: FScc #1,s[!Areg,Immd,PC8r,PC16]
242 1111 0010 0111 1010:30:?????:?????:10: FTRAPcc #1
243 1111 0010 0111 1011:30:?????:?????:10: FTRAPcc #2
244 1111 0010 0111 1100:30:?????:?????:00: FTRAPcc
245 1111 0010 10KK KKKK:30:?????:?????:11: FBcc #K,#1
246 1111 0010 11KK KKKK:30:?????:?????:11: FBcc #K,#2
247 1111 0011 00ss sSSS:32:?????:?????:20: FSAVE s[!Dreg,Areg,Aipi,Immd,PC8r,PC16]
248 1111 0011 01ss sSSS:32:?????:?????:10: FRESTORE s[!Dreg,Areg,Apdi,Immd]
249
250 % 68040 instructions
251 1111 0100 ii00 1rrr:42:-----:-----:02: CINVL #i,Ar
252 1111 0100 ii01 0rrr:42:-----:-----:02: CINVP #i,Ar
253 1111 0100 ii01 1rrr:42:-----:-----:00: CINVA #i
254 1111 0100 ii10 1rrr:42:-----:-----:02: CPUSHL #i,Ar
255 1111 0100 ii11 0rrr:42:-----:-----:02: CPUSHP #i,Ar
256 1111 0100 ii11 1rrr:42:-----:-----:00: CPUSHA #i
257 1111 0110 0010 0rrr:40:-----:-----:12: MOVE16 ArP,ARP