File:  [Tom Morton FrontierVM] / frontvm / cpu / table68k
Revision 1.1: download - view: text, annotated - select for diffs
Tue Apr 24 17:57:15 2018 UTC (22 months ago) by root
CVS tags: MAIN, HEAD
Initial revision

% 0: bit 0
% 1: bit 1
% c: condition code
% C: condition codes, except F
% f: direction
% i: immediate
% I: immediate, except 00 and ff
% j: immediate 1..8
% J: immediate 0..15
% k: immediate 0..7
% K: immediate 0..63
% p: immediate 0..3 (CINV and CPUSH: cache field)
% s: source mode
% S: source reg
% d: dest mode
% D: dest reg
% r: reg
% z: size
%
% Actually, a sssSSS may appear as a destination, and
% vice versa. The only difference between sssSSS and
% dddDDD are the valid addressing modes. There is
% no match for immediate and pc-rel. addressing modes
% in case of dddDDD.
%
% Arp: --> -(Ar)
% ArP: --> (Ar)+
% L: (xxx.L)
%
% Fields on a line: 
% 16 chars bitpattern : 
% CPU level / privildge level :
%   CPU level 0: 68000
%             1: 68010
%             2: 68020
%   privilege level 0: not privileged
%                   1: unprivileged only on 68000 (check regs.s)
%                   2: privileged                 (check regs.s)
%                   3: privileged if size == word (check regs.s)
% Flags set by instruction: XNZVC :
% Flags used by instruction: XNZVC :
%   - means flag unaffected / unused
%   0 means flag reset
%   1 means flag set
%   ? means programmer was too lazy to check or instruction may trap
%   + means instruction is conditional branch 
%     everything else means flag set/used
%   / means instruction is unconditional branch/call
%   x means flag is unknown and well-behaved programs shouldn't check it
% srcaddr status destaddr status :
%   bitmasks of
%   1 means fetched
%   2 means stored
%   4 means jump offset
%   8 means jump address
% instruction
%

0000 0000 0011 1100:00:XNZVC:XNZVC:10: ORSR.B  #1
0000 0000 0111 1100:02:?????:?????:10: ORSR.W  #1
0000 0000 zzdd dDDD:00:-NZ00:-----:13: OR.z    #z,d[!Areg]
0000 0010 0011 1100:00:XNZVC:XNZVC:10: ANDSR.B #1
0000 0010 0111 1100:02:?????:?????:10: ANDSR.W #1
0000 0010 zzdd dDDD:00:-NZ00:-----:13: AND.z   #z,d[!Areg]
0000 0100 zzdd dDDD:00:XNZVC:-----:13: SUB.z   #z,d[!Areg]
0000 0110 zzdd dDDD:00:XNZVC:-----:13: ADD.z   #z,d[!Areg]
0000 1000 00ss sSSS:00:--Z--:-----:11: BTST    #1,s[!Areg]
0000 1000 01ss sSSS:00:--Z--:-----:13: BCHG    #1,s[!Areg,Immd]
0000 1000 10ss sSSS:00:--Z--:-----:13: BCLR    #1,s[!Areg,Immd]
0000 1000 11ss sSSS:00:--Z--:-----:13: BSET    #1,s[!Areg,Immd]
0000 1010 0011 1100:00:XNZVC:XNZVC:10: EORSR.B #1
0000 1010 0111 1100:02:?????:?????:10: EORSR.W #1
0000 1010 zzdd dDDD:00:-NZ00:-----:13: EOR.z   #z,d[!Areg]
0000 1100 zzss sSSS:00:-NZVC:-----:11: CMP.z   #z,s[!Areg,Immd]

0000 rrr1 00dd dDDD:00:-----:-----:12: MVPMR.W d[Areg-Ad16],Dr
0000 rrr1 01dd dDDD:00:-----:-----:12: MVPMR.L d[Areg-Ad16],Dr
0000 rrr1 10dd dDDD:00:-----:-----:12: MVPRM.W Dr,d[Areg-Ad16]
0000 rrr1 11dd dDDD:00:-----:-----:12: MVPRM.L Dr,d[Areg-Ad16]
0000 rrr1 00ss sSSS:00:--Z--:-----:11: BTST    Dr,s[!Areg]
0000 rrr1 01ss sSSS:00:--Z--:-----:13: BCHG    Dr,s[!Areg,Immd]
0000 rrr1 10ss sSSS:00:--Z--:-----:13: BCLR    Dr,s[!Areg,Immd]
0000 rrr1 11ss sSSS:00:--Z--:-----:13: BSET    Dr,s[!Areg,Immd]

0001 DDDd ddss sSSS:00:-NZ00:-----:12: MOVE.B  s,d[!Areg]
0010 DDDd ddss sSSS:00:-----:-----:12: MOVEA.L s,d[Areg]
0010 DDDd ddss sSSS:00:-NZ00:-----:12: MOVE.L  s,d[!Areg]
0011 DDDd ddss sSSS:00:-----:-----:12: MOVEA.W s,d[Areg]
0011 DDDd ddss sSSS:00:-NZ00:-----:12: MOVE.W  s,d[!Areg]

0100 0000 zzdd dDDD:00:XxZxC:X-Z--:30: NEGX.z  d[!Areg]
0100 0000 11dd dDDD:01:?????:?????:10: MVSR2.W d[!Areg]
0100 0010 zzdd dDDD:00:-0100:-----:20: CLR.z   d[!Areg]
0100 0010 11dd dDDD:10:?????:?????:10: MVSR2.B d[!Areg]
0100 0100 zzdd dDDD:00:XNZVC:-----:30: NEG.z   d[!Areg]
0100 0100 11ss sSSS:00:XNZVC:-----:10: MV2SR.B s[!Areg]
0100 0110 zzdd dDDD:00:-NZ00:-----:30: NOT.z   d[!Areg]
0100 0110 11ss sSSS:02:?????:?????:10: MV2SR.W s[!Areg]
0100 1000 00dd dDDD:00:X?Z?C:X-Z--:30: NBCD.B  d[!Areg]
0100 1000 01ss sSSS:00:-NZ00:-----:30: SWAP.W  s[Dreg]         
0100 1000 01ss sSSS:00:-----:-----:00: PEA.L   s[!Dreg,Areg,Aipi,Apdi,Immd]
0100 1000 10dd dDDD:00:-NZ00:-----:30: EXT.W   d[Dreg]         
0100 1000 10dd dDDD:00:-----:-----:02: MVMLE.W #1,d[!Dreg,Areg,Aipi]
0100 1000 11dd dDDD:00:-NZ00:-----:30: EXT.L   d[Dreg]         
0100 1000 11dd dDDD:00:-----:-----:02: MVMLE.L #1,d[!Dreg,Areg,Aipi]
0100 1001 11dd dDDD:00:-NZ00:-----:30: EXT.B   d[Dreg]         
0100 1010 zzss sSSS:00:-NZ00:-----:10: TST.z   s
0100 1010 11dd dDDD:00:?????:?????:30: TAS.B   d[!Areg]
0100 1010 1111 1100:00:?????:?????:00: ILLEGAL
0100 1100 10ss sSSS:00:-----:-----:01: MVMEL.W #1,s[!Dreg,Areg,Apdi,Immd]
0100 1100 11ss sSSS:00:-----:-----:01: MVMEL.L #1,s[!Dreg,Areg,Apdi,Immd]
0100 1110 0100 JJJJ:00:-----:XNZVC:10: TRAP    #J
0100 1110 0101 0rrr:00:-----:-----:31: LINK.W  Ar,#1
0100 1110 0101 1rrr:00:-----:-----:30: UNLK.L  Ar
0100 1110 0110 0rrr:02:-----:-----:10: MVR2USP.L Ar
0100 1110 0110 1rrr:02:-----:-----:20: MVUSP2R.L Ar
0100 1110 0111 0000:02:-----:-----:00: RESET
0100 1110 0111 0001:00:-----:-----:00: NOP
0100 1110 0111 0010:02:XNZVC:-----:10: STOP    #1
0100 1110 0111 0011:02:XNZVC:-----:00: RTE
0100 1110 0111 0100:00:?????:?????:10: RTD     #1
0100 1110 0111 0101:00:-----:-----:00: RTS
0100 1110 0111 0110:00:-----:XNZVC:00: TRAPV
0100 1110 0111 0111:00:XNZVC:-----:00: RTR
0100 1110 0111 1010:12:?????:?????:10: MOVEC2  #1
0100 1110 0111 1011:12:?????:?????:10: MOVE2C  #1
0100 1110 10ss sSSS:00://///://///:80: JSR.L   s[!Dreg,Areg,Aipi,Apdi,Immd]
0100 rrr1 00ss sSSS:00:?????:?????:11: CHK.L   s[!Areg],Dr
0100 rrr1 10ss sSSS:00:?????:?????:11: CHK.W   s[!Areg],Dr
0100 1110 11ss sSSS:00://///://///:80: JMP.L   s[!Dreg,Areg,Aipi,Apdi,Immd]
0100 rrr1 11ss sSSS:00:-----:-----:02: LEA.L   s[!Dreg,Areg,Aipi,Apdi,Immd],Ar

0101 jjj0 01dd dDDD:00:-----:-----:13: ADDA.W  #j,d[Areg]
0101 jjj0 10dd dDDD:00:-----:-----:13: ADDA.L  #j,d[Areg]
0101 jjj0 zzdd dDDD:00:XNZVC:-----:13: ADD.z   #j,d[!Areg]
0101 jjj1 01dd dDDD:00:-----:-----:13: SUBA.W  #j,d[Areg]
0101 jjj1 10dd dDDD:00:-----:-----:13: SUBA.L  #j,d[Areg]
0101 jjj1 zzdd dDDD:00:XNZVC:-----:13: SUB.z   #j,d[!Areg]
0101 cccc 1100 1rrr:00:-----:-++++:31: DBcc.W  Dr,#1
0101 cccc 11dd dDDD:00:-----:-++++:20: Scc.B   d[!Areg]

% Bxx.L is 68020 only, but setting the CPU level to 2 would give illegal
% instruction exceptions when compiling a 68000 only emulation, which isn't
% what we want either.
0110 0001 0000 0000:00://///://///:40: BSR.W   #1
0110 0001 IIII IIII:00://///://///:40: BSR.B   #i
0110 0001 1111 1111:00://///://///:40: BSR.L   #2
0110 CCCC 0000 0000:00:-----:-++++:40: Bcc.W   #1
0110 CCCC IIII IIII:00:-----:-++++:40: Bcc.B   #i
0110 CCCC 1111 1111:00:-----:-++++:40: Bcc.L   #2

0111 rrr0 iiii iiii:00:-NZ00:-----:12: MOVE.L  #i,Dr

1000 rrr0 zzss sSSS:00:-NZ00:-----:13: OR.z    s[!Areg],Dr
1000 rrr0 11ss sSSS:00:?????:?????:13: DIVU.W  s[!Areg],Dr
1000 rrr1 00dd dDDD:00:XxZxC:X-Z--:13: SBCD.B  d[Dreg],Dr      
1000 rrr1 00dd dDDD:00:XxZxC:X-Z--:13: SBCD.B  d[Areg-Apdi],Arp      
1000 rrr1 zzdd dDDD:00:-NZ00:-----:13: OR.z    Dr,d[!Areg,Dreg]
1000 rrr1 11ss sSSS:00:?????:?????:13: DIVS.W  s[!Areg],Dr

1001 rrr0 zzss sSSS:00:XNZVC:-----:13: SUB.z   s,Dr
1001 rrr0 11ss sSSS:00:-----:-----:13: SUBA.W  s,Ar
1001 rrr1 zzdd dDDD:00:XNZVC:X-Z--:13: SUBX.z  d[Dreg],Dr      
1001 rrr1 zzdd dDDD:00:XNZVC:X-Z--:13: SUBX.z  d[Areg-Apdi],Arp      
1001 rrr1 zzdd dDDD:00:XNZVC:-----:13: SUB.z   Dr,d[!Areg,Dreg]
1001 rrr1 11ss sSSS:00:-----:-----:13: SUBA.L  s,Ar

1011 rrr0 zzss sSSS:00:-NZVC:-----:11: CMP.z   s,Dr
1011 rrr0 11ss sSSS:00:-NZVC:-----:11: CMPA.W  s,Ar
1011 rrr1 11ss sSSS:00:-NZVC:-----:11: CMPA.L  s,Ar
1011 rrr1 zzdd dDDD:00:-NZVC:-----:11: CMPM.z  d[Areg-Aipi],ArP
1011 rrr1 zzdd dDDD:00:-NZ00:-----:13: EOR.z   Dr,d[!Areg]

1100 rrr0 zzss sSSS:00:-NZ00:-----:13: AND.z   s[!Areg],Dr
1100 rrr0 11ss sSSS:00:-NZ00:-----:13: MULU.W  s[!Areg],Dr
1100 rrr1 00dd dDDD:00:XxZxC:X-Z--:13: ABCD.B  d[Dreg],Dr      
1100 rrr1 00dd dDDD:00:XxZxC:X-Z--:13: ABCD.B  d[Areg-Apdi],Arp      
1100 rrr1 zzdd dDDD:00:-NZ00:-----:13: AND.z   Dr,d[!Areg,Dreg]
1100 rrr1 01dd dDDD:00:-----:-----:33: EXG.L   Dr,d[Dreg]      
1100 rrr1 01dd dDDD:00:-----:-----:33: EXG.L   Ar,d[Areg]            
1100 rrr1 10dd dDDD:00:-----:-----:33: EXG.L   Dr,d[Areg]      
1100 rrr1 11ss sSSS:00:-NZ00:-----:13: MULS.W  s[!Areg],Dr

1101 rrr0 zzss sSSS:00:XNZVC:-----:13: ADD.z   s,Dr
1101 rrr0 11ss sSSS:00:-----:-----:13: ADDA.W  s,Ar
1101 rrr1 zzdd dDDD:00:XNZVC:X-Z--:13: ADDX.z  d[Dreg],Dr      
1101 rrr1 zzdd dDDD:00:XNZVC:X-Z--:13: ADDX.z  d[Areg-Apdi],Arp      
1101 rrr1 zzdd dDDD:00:XNZVC:-----:13: ADD.z   Dr,d[!Areg,Dreg]
1101 rrr1 11ss sSSS:00:-----:-----:13: ADDA.L  s,Ar

1110 jjjf zz00 0RRR:00:XNZVC:-----:13: ASf.z   #j,DR
1110 jjjf zz00 1RRR:00:XNZ0C:-----:13: LSf.z   #j,DR
1110 jjjf zz01 0RRR:00:XNZ0C:X----:13: ROXf.z  #j,DR
1110 jjjf zz01 1RRR:00:-NZ0C:-----:13: ROf.z   #j,DR
1110 rrrf zz10 0RRR:00:XNZVC:X----:13: ASf.z   Dr,DR
1110 rrrf zz10 1RRR:00:XNZ0C:X----:13: LSf.z   Dr,DR
1110 rrrf zz11 0RRR:00:XNZ0C:X----:13: ROXf.z  Dr,DR
1110 rrrf zz11 1RRR:00:-NZ0C:-----:13: ROf.z   Dr,DR
1110 000f 11dd dDDD:00:XNZVC:-----:13: ASfW.W  d[!Dreg,Areg]
1110 001f 11dd dDDD:00:XNZ0C:-----:13: LSfW.W  d[!Dreg,Areg]
1110 010f 11dd dDDD:00:XNZ0C:X----:13: ROXfW.W d[!Dreg,Areg]
1110 011f 11dd dDDD:00:-NZ0C:-----:13: ROfW.W  d[!Dreg,Areg]


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