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Contributing 68000, VAX, Z80, SH4, PDP-11, NS32000 docs plus various …
…README.md files
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,194 @@ | ||
| 68000abc.txt | ||
| Instruction set of the 68000 in alphabetical order | ||
| 1988/wjvg | ||
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| 0 2 3 4 5 | ||
| abcd Ds,Dd 1100 ddd100 000sss | ||
| abcd -(As),-(Ad) 1100 ddd100 001sss | ||
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| add.z a,Dd 1101 ddd0zz aaaaaa | ||
| add.z Ds,a 1101 sss1zz aaaaaa | ||
| adda.z a,Ad 1101 dddz11 aaaaaa | ||
| addi.z #kz,a 0000 0110zz aaaaaa kkkkkkkk kkkkkkkk kifz==lk kifz==lk | ||
| addq.z #k3,a 0101 kkk0zz aaaaaa | ||
| addx.z Ds,Dd 1101 ddd1zz 000sss | ||
| addx.z -(As),-(Ad) 1101 ddd1zz 001sss | ||
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| and.z a,Dd 1100 ddd0zz aaaaaa | ||
| and.z Ds,a 1100 sss1zz aaaaaa | ||
| andi.z #kz,a 0000 0010zz aaaaaa kkkkkkkk kkkkkkkk kifz==lk kifz==lk | ||
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| asld.z Ds,Dd 1110 sss1zz 100ddd | ||
| asld.z #k,Dd 1110 kkk1zz 000ddd | ||
| asld.w #1,a 1110 000111 aaaaaa | ||
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| asrd.z Ds,Dd 1110 sss0zz 100ddd | ||
| asrd.z #k,Dd 1110 kkk0zz 000ddd | ||
| asrd.w #1,a 1110 000011 aaaaaa | ||
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| bcc label 0110 ccccll llllll if zero, a 16bit address follows | ||
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| bra label 0110 0000ll llllll if zero, a 16bit address follows | ||
| bsr label 0110 0001ll llllll if zero, a 16bit address follows | ||
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| bchg #n,a 0000 100001 aaaaaa 00000000 000nnnnn | ||
| bchg Ds,a 0000 sss101 aaaaaa | ||
| bclr #n,a 0000 100010 aaaaaa 00000000 000nnnnn | ||
| bclr Ds,a 0000 sss110 aaaaaa | ||
| bset #n,a 0000 100011 aaaaaa 00000000 000nnnnn | ||
| bset Ds,a 0000 sss111 aaaaaa | ||
| btst #n,a 0000 100000 aaaaaa 00000000 000nnnnn | ||
| btst Ds,a 0000 sss100 aaaaaa | ||
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| chk.w a,Dd 0100 ddd110 aaaaaa | ||
| clr.z a 0100 0010zz aaaaaa | ||
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| cmp.z a,Dd 1011 ddd0zz aaaaaa | ||
| cmpa.z a,Ad 1011 dddz11 aaaaaa | ||
| cmpi.z #kz,a 0000 1100zz aaaaaa kkkkkkkk kkkkkkkk kifz==lk kifz==lk | ||
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| cmpm.z Ds,Dd 1011 ddd1zz 000sss | ||
| cmpm.z (As)+,(Ad)+ 1011 ddd1zz 001sss | ||
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| db(cc) Ds,label 0101 cccc11 001sss llllllll llllllll | ||
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| divs.w a,Dd 1000 ddd111 aaaaaa | ||
| divu.w a,Dd 1000 ddd011 aaaaaa | ||
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| eor.z a,Dd 1011 ddd1zz aaaaaa | ||
| eori.z #kz,a 0000 1010zz aaaaaa kkkkkkkk kkkkkkkk kifz==lk kifz==lk | ||
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| exg.l As,Ad 1100 ddd101 001sss | ||
| exg.l Ds,Dd 1100 ddd101 000sss | ||
| exg.l As,Dd 1100 ddd110 001sss | ||
| ext.z Dd 0100 10001z 000ddd | ||
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| jmp a 0100 111011 aaaaaa | ||
| jsr a 0100 111010 aaaaaa | ||
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| lea a,Ad 0100 ddd111 aaaaaa | ||
| link As,d16 0100 111001 010sss dddddddd dddddddd | ||
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| lsld.z Ds,Dd 1110 sss1zz 101ddd | ||
| lsld.z #k,Dd 1110 kkk1zz 001ddd | ||
| lsld.w #1,a 1110 001111 aaaaaa | ||
| lsrd.z Ds,Dd 1110 sss0zz 101ddd | ||
| lsrd.z #k,Dd 1110 kkk0zz 001ddd | ||
| lsrd.w #1,a 1110 001011 aaaaaa | ||
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| move SR,a 0100 000011 aaaaaa | ||
| move a,CCR 0100 010011 aaaaaa | ||
| move a,SR 0100 011011 aaaaaa | ||
| move As,USP 0100 111001 100sss | ||
| move USP,Ad 0100 111001 101ddd | ||
| move.b as,ad 0001 dddddd ssssss (dddddd reversed) | ||
| move.l as,ad 0010 dddddd ssssss (dddddd reversed) | ||
| move.w as,ad 0011 dddddd ssssss (dddddd reversed) | ||
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| movem.z a,reg-list 0100 11001z aaaaaa a6543210 d6543210 | ||
| movem.z reg-list,a 0100 10001z aaaaaa a6543210 d6543210 | ||
| movep.z Ds,d16(Ad) 0000 sss11z 001ddd dddddddd dddddddd | ||
| movep.z d16(As),Dd 0000 ddd10z 001sss dddddddd dddddddd | ||
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| moveq.l #k8,Dd 0111 ddd0kk kkkkkk | ||
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| muls.w a,Dd 1100 ddd111 aaaaaa | ||
| mulu.w a,Dd 1100 ddd011 aaaaaa | ||
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| nbcd a 0100 100000 aaaaaa | ||
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| neg.z a 0100 0100zz aaaaaa | ||
| negx.z a 0100 0000zz aaaaaa | ||
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| nop 0100 111001 110001 | ||
| not.z a 0100 0110zz aaaaaa | ||
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| or.z a,Dd 1000 ddd0zz aaaaaa | ||
| or.z Ds,a 1000 sss1zz aaaaaa | ||
| ori.z #kz,a 0000 0000zz aaaaaa kkkkkkkk kkkkkkkk kifz==lk kifz==lk | ||
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| pea a 0100 100001 aaaaaa | ||
| reset 0100 111001 110000 | ||
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| rold.z Ds,Dd 1110 sss1zz 111ddd | ||
| rold.z #k,Dd 1110 kkk1zz 011ddd | ||
| rold.w #1,a 1110 011111 aaaaaa | ||
| rord.z Ds,Dd 1110 sss0zz 111ddd | ||
| rord.z #k,Dd 1110 kkk0zz 011ddd | ||
| rord.w #1,a 1110 011011 aaaaaa | ||
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| roxld.z Ds,Dd 1110 sss1zz 110ddd | ||
| roxld.z #k,Dd 1110 kkk1zz 010ddd | ||
| roxld.w #1,a 1110 010111 aaaaaa | ||
| roxrd.z Ds,Dd 1110 sss0zz 110ddd | ||
| roxrd.z #k,Dd 1110 kkk0zz 010ddd | ||
| roxrd.w #1,a 1110 010011 aaaaaa | ||
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| rte 0100 111001 110011 | ||
| rtr 0100 111001 110111 | ||
| rts 0100 111001 110101 | ||
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| sbcd Ds,Dd 1000 ddd100 000sss | ||
| sbcd -(As),-(Ad) 1000 ddd100 001sss | ||
| stcc.b a 0101 cccc11 aaaaaa | ||
| stop #k16 0100 111001 110010 kkkkkkkk kkkkkkkk | ||
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| sub.z Ds,a 1001 sss1zz aaaaaa | ||
| sub.z a,Dd 1001 ddd0zz aaaaaa | ||
| subi.z #kz,a 0000 0100zz aaaaaa kkkkkkkk kkkkkkkk kifz==lk kifz==lk | ||
| suba.z a,Ad 1001 dddz11 aaaaaa | ||
| subq.z #k3,a 0101 kkk1zz aaaaaa | ||
| subx.z Ds,Dd 1001 ddd1zz 000sss | ||
| subx.z -(As),-(Ad) 1001 ddd1zz 001sss | ||
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| swap.w Dd 0100 100001 000ddd | ||
| tas.b a 0100 101011 aaaaaa | ||
| trap vector 0100 111001 00vvvv | ||
| trapv 0100 111001 110110 | ||
| tst.z a 0100 1010zz aaaaaa | ||
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| unlk Ad 0100 111001 011ddd | ||
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| general subfields | ||
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| zz 00=b, 01=w, 10=l | ||
| z 0=w, 1=l | ||
| kkk immediate data in addq etc.: 0==8 | ||
| immediate data in movq is sign extended to 32bits | ||
| shift count also represents 1..8 (how?) | ||
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| addresssing modes (aaaaaa): | ||
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| 000 rrr Dr | ||
| 001 rrr Ar | ||
| 010 rrr (Ar) | ||
| 011 rrr (Ar)+ | ||
| 100 rrr -(Ar) | ||
| 101 rrr d16(Ar) dddddddd dddddddd | ||
| 110 rrr d8(Ar,ix) aiiiz000 dddddddd | ||
| 111 000 addr16 dddddddd dddddddd | ||
| 111 001 addr32 dddddddd dddddddd ddddddddd dddddddd | ||
| 111 010 d16(PC) dddddddd dddddddd | ||
| 111 011 d8(PC,ix) aiiiz000 dddddddd | ||
| 111 100 imm/implied | ||
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| flags: | ||
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| 0000 t allways or bra ipv btr | ||
| 0001 f never or bsr ipv bnv | ||
| 0010 hi | ||
| 0011 ls | ||
| 0100 cc | ||
| 0101 cs | ||
| 0110 ne | ||
| 0111 eq | ||
| 1000 vc | ||
| 1001 vs | ||
| 1010 pl | ||
| 1011 mi | ||
| 1100 ge | ||
| 1101 lt | ||
| 1110 gt | ||
| 1111 le | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,179 @@ | ||
| 68000bin.txt | ||
| Instruction set of the 68000 in binary order | ||
| 1988/wjvg | ||
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| 0 2 3 4 5 | ||
| 0000 0000zz aaaaaa kkkkkkkk kkkkkkkk kifz==lk kifz==lk ori.z #kz,a | ||
| 0000 0010zz aaaaaa kkkkkkkk kkkkkkkk kifz==lk kifz==lk andi.z #kz,a | ||
| 0000 0100zz aaaaaa kkkkkkkk kkkkkkkk kifz==lk kifz==lk subi.z #kz,a | ||
| 0000 0110zz aaaaaa kkkkkkkk kkkkkkkk kifz==lk kifz==lk addi.z #kz,a | ||
| 0000 1010zz aaaaaa kkkkkkkk kkkkkkkk kifz==lk kifz==lk eori.z #kz,a | ||
| 0000 1100zz aaaaaa kkkkkkkk kkkkkkkk kifz==lk kifz==lk cmpi.z #kz,a | ||
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| 0000 100000 aaaaaa 00000000 000nnnnn btst #n,a | ||
| 0000 100001 aaaaaa 00000000 000nnnnn bchg #n,a | ||
| 0000 100010 aaaaaa 00000000 000nnnnn bclr #n,a | ||
| 0000 100011 aaaaaa 00000000 000nnnnn bset #n,a | ||
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| 0000 sss100 aaaaaa btst Ds,a | ||
| 0000 sss101 aaaaaa bchg Ds,a | ||
| 0000 sss110 aaaaaa bclr Ds,a | ||
| 0000 sss111 aaaaaa bset Ds,a | ||
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| 0000 ddd10z 001sss dddddddd dddddddd movep.z d16(As),Dd | ||
| 0000 sss11z 001ddd dddddddd dddddddd movep.z Ds,d16(Ad) | ||
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| 0001 dddddd ssssss (dddddd reversed) move.b as,ad | ||
| 0010 dddddd ssssss (dddddd reversed) move.l as,ad | ||
| 0011 dddddd ssssss (dddddd reversed) move.w as,ad | ||
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| 0100 0000zz aaaaaa negx.z a | ||
| 0100 000011 aaaaaa move SR,a | ||
| 0100 0010zz aaaaaa clr.z a | ||
| 0100 0100zz aaaaaa neg.z a | ||
| 0100 010011 aaaaaa move a,CCR | ||
| 0100 0110zz aaaaaa not.z a | ||
| 0100 011011 aaaaaa move a,SR | ||
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| 0100 100000 aaaaaa nbcd a | ||
| 0100 100001 000ddd swap.w Dd | ||
| 0100 100001 aaaaaa pea a | ||
| 0100 10001z 000ddd ext.z Dd | ||
| 0100 10001z aaaaaa a6543210 d6543210 movem.z reg-list,a | ||
| 0100 1010zz aaaaaa tst.z a | ||
| 0100 101011 aaaaaa tas.b a | ||
| 0100 11001z aaaaaa a6543210 d6543210 movem.z a,reg-list | ||
| 0100 111001 00vvvv trap #vector | ||
| 0100 111001 010sss dddddddd dddddddd link As,#k16 | ||
| 0100 111001 011ddd unlk Ad | ||
| 0100 111001 100sss move As,USP | ||
| 0100 111001 101ddd move USP,Ad | ||
| 0100 111001 110000 reset | ||
| 0100 111001 110001 nop | ||
| 0100 111001 110010 kkkkkkkk kkkkkkkk stop #k16 | ||
| 0100 111001 110011 rte | ||
| 0100 111001 110101 rts | ||
| 0100 111001 110110 trapv | ||
| 0100 111001 110111 rtr | ||
| 0100 111010 aaaaaa jsr a | ||
| 0100 111011 aaaaaa jmp a | ||
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| 0100 ddd110 aaaaaa chk.w a,Dd | ||
| 0100 ddd111 aaaaaa lea a,Ad | ||
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| 0101 cccc11 001sss llllllll llllllll db(cc) Ds,label | ||
| 0101 cccc11 aaaaaa stcc.b a | ||
| 0101 kkk0zz aaaaaa addq.z #k3,a | ||
| 0101 kkk1zz aaaaaa subq.z #k3,a | ||
| 0110 0000ll llllll if zero, a 16bit address follows bra label | ||
| 0110 0001ll llllll if zero, a 16bit address follows bsr label | ||
| 0110 ccccll llllll if zero, a 16bit address follows bcc label | ||
| 0111 ddd0kk kkkkkk moveq.l #k8,Dd | ||
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| 1000 ddd0zz aaaaaa or.z a,Dd | ||
| 1000 ddd011 aaaaaa divu.w a,Dd | ||
| 1000 ddd100 000sss sbcd Ds,Dd | ||
| 1000 ddd100 001sss sbcd -(As),-(Ad) | ||
| 1000 sss1zz aaaaaa or.z Ds,a | ||
| 1000 ddd111 aaaaaa divs.w a,Dd | ||
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| 1001 ddd0zz aaaaaa sub.z a,Dd | ||
| 1001 ddd1zz 000sss subx.z Ds,Dd | ||
| 1001 ddd1zz 001sss subx.z -(As),-(Ad) | ||
| 1001 sss1zz aaaaaa sub.z Ds,a | ||
| 1001 dddz11 aaaaaa suba.z a,Ad | ||
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| 1011 ddd0zz aaaaaa cmp.z a,Dd | ||
| 1011 ddd1zz 000sss cmpm.z Ds,Dd | ||
| 1011 ddd1zz 001sss cmpm.z (As)+,(Ad)+ | ||
| 1011 ddd1zz aaaaaa eor.z a,Dd | ||
| 1011 dddz11 aaaaaa cmpa.z a,Ad | ||
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| 1100 ddd0zz aaaaaa and.z a,Dd | ||
| 1100 ddd011 aaaaaa mulu.w a,Dd | ||
| 1100 ddd100 000sss abcd Ds,Dd | ||
| 1100 ddd101 000sss exg.l Ds,Dd | ||
| 1100 ddd100 001sss abcd -(As),-(Ad) | ||
| 1100 ddd101 001sss exg.l As,Ad | ||
| 1100 ddd110 001sss exg.l As,Dd | ||
| 1100 sss1zz aaaaaa and.z Ds,a | ||
| 1100 ddd111 aaaaaa muls.w a,Dd | ||
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| 1101 ddd0zz aaaaaa add.z a,Dd | ||
| 1101 ddd1zz 000sss addx.z Ds,Dd | ||
| 1101 ddd1zz 001sss addx.z -(As),-(Ad) | ||
| 1101 sss1zz aaaaaa add.z Ds,a | ||
| 1101 dddz11 aaaaaa adda.z a,Ad | ||
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| 1110 kkk0zz 000ddd asrd.z #k,Dd | ||
| 1110 kkk0zz 001ddd lsrd.z #k,Dd | ||
| 1110 kkk0zz 010ddd roxrd.z #k,Dd | ||
| 1110 kkk0zz 011ddd rord.z #k,Dd | ||
| 1110 kkk1zz 000ddd asld.z #k,Dd | ||
| 1110 kkk1zz 001ddd lsld.z #k,Dd | ||
| 1110 kkk1zz 010ddd roxld.z #k,Dd | ||
| 1110 kkk1zz 011ddd rold.z #k,Dd | ||
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| 1110 sss0zz 100ddd asrd.z Ds,Dd | ||
| 1110 sss0zz 101ddd lsrd.z Ds,Dd | ||
| 1110 sss0zz 110ddd roxrd.z Ds,Dd | ||
| 1110 sss0zz 111ddd rord.z Ds,Dd | ||
| 1110 sss1zz 100ddd asld.z Ds,Dd | ||
| 1110 sss1zz 101ddd lsld.z Ds,Dd | ||
| 1110 sss1zz 110ddd roxld.z Ds,Dd | ||
| 1110 sss1zz 111ddd rold.z Ds,Dd | ||
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| 1110 000011 aaaaaa asrd.w #1,a | ||
| 1110 000111 aaaaaa asld.w #1,a | ||
| 1110 001011 aaaaaa lsrd.w #1,a | ||
| 1110 001111 aaaaaa lsld.w #1,a | ||
| 1110 010011 aaaaaa roxrd.w #1,a | ||
| 1110 010111 aaaaaa roxld.w #1,a | ||
| 1110 011011 aaaaaa rord.w #1,a | ||
| 1110 011111 aaaaaa rold.w #1,a | ||
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| general subfields | ||
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| zz 00=b, 01=w, 10=l | ||
| z 0=w, 1=l | ||
| kkk immediate data in addq etc.: 0==8 | ||
| immediate data in movq is sign extended to 32bits | ||
| shift count also represents 1..8 (how?) | ||
|
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||
| addressing modes (aaaaaa): | ||
|
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| 000 rrr Dr | ||
| 001 rrr Ar | ||
| 010 rrr (Ar) | ||
| 011 rrr (Ar)+ | ||
| 100 rrr -(Ar) | ||
| 101 rrr d16(Ar) dddddddd dddddddd | ||
| 110 rrr d8(Ar,ix) aiiiz000 dddddddd | ||
| 111 000 addr16 dddddddd dddddddd | ||
| 111 001 addr32 dddddddd dddddddd ddddddddd dddddddd | ||
| 111 010 d16(PC) dddddddd dddddddd | ||
| 111 011 d8(PC,ix) aiiiz000 dddddddd | ||
| 111 100 imm/implied | ||
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| flags: | ||
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| 0000 t allways or bra ipv btr | ||
| 0001 f never or bsr ipv bnv | ||
| 0010 hi | ||
| 0011 ls | ||
| 0100 cc | ||
| 0101 cs | ||
| 0110 ne | ||
| 0111 eq | ||
| 1000 vc | ||
| 1001 vs | ||
| 1010 pl | ||
| 1011 mi | ||
| 1100 ge | ||
| 1101 lt | ||
| 1110 gt | ||
| 1111 le | ||
|
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||
| *end | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,11 @@ | ||
| This subfolder contains the documents and other stuff for Motorola-Freescale 68000 CPU. | ||
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| [Main Wikipedia article on 68000](https://en.wikipedia.org/wiki/Motorola_68000) | ||
|
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| | Files | Description | Source | | ||
| | ----- | ----------- | ------ | | ||
| | 68000 opcodes.pdf | 68000 Instruction Set in detail | URL not determined | | ||
| | 68000bin.txt | 68000 instruction set in binary order | URL not determined | | ||
| | manual.pdf | | | | ||
| | 68000abc.txt | 68000 instruction set in alphabetic order | URL not determined | | ||
| | M68000PRM.pdf | 68000 Programmer's Reference Manual | Believed to be obtained from Freescale website | |
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