Difference between revisions of "68000 ASM-to-Hex Code Reference"
From Sonic Retro
(I'll add other supervisor opcodes later) |
(DBcc has no suffix; the size is always word) |
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| 0C82 '''0000 0000''' | | 0C82 '''0000 0000''' | ||
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− | | db{{lime|f}} | + | | db{{lime|f}} d{{green|0}}, $'''556A''' |
| 0101 {{lime|0001}} 1100 0{{green|000}} | | 0101 {{lime|0001}} 1100 0{{green|000}} | ||
| 51C0 '''556A''' | | 51C0 '''556A''' |
Revision as of 16:34, 5 March 2011
(Document originally by Ambil)
Welcome to my Motorola 68000 programming reference. It consists a table containing useful examples of the 68k instructions, and it can be a very nice tool for everyone who is hacking MegaDrive / Genesis games in a hex editor. For your help and confort, the parameters in the ASM commands have been coloured along with their respective places in the 16-bit instruction codes.
ASM | Binary instruction | Hex code |
---|---|---|
adda.w (a0), a1 | 1101 0010 1101 0000 | D2D0 |
adda.w ($FFFFF100).w, a1 | 1101 0010 1111 1000 | D2F8 F100 |
adda.l ($FFFFF100).l, a1 | 1101 0011 1111 1001 | D3F9 F100 |
adda.w #$1337, a1 | 1101 0010 1111 1100 | D2FC 1337 |
addi.b #$20, d1 | 0000 0110 0000 0001 | 0601 0020 |
addi.w #$1337, ($FFFFF100).w | 0000 0110 0111 1000 | 0678 1337 F100 |
addi.l #$19650917, ($FFFFF100).l | 0000 0110 1011 1001 | 06F9 1965 0917 F100 |
addq.b #1, ($FFFFF100).w | 0101 0010 0011 1000 | 5238 F100 |
addq.b #2, ($FFFFF100).w | 0101 0100 0011 1000 | 5438 F100 |
addq.b #8, ($FFFFF100).w | 0101 0000 0011 1000 | 5038 F100 |
andi.b #$36, d1 | 0000 0010 0000 0001 | 0201 0036 |
andi.w #$2005, ($FFFFF100).w | 0000 0010 0111 1000 | 0238 2005 F100 |
bra.s #$24 | 0110 0000 0010 0100 | 6024 |
bra #$4E1A | 0110 0000 0000 0000 | 6000 4E1A |
bsr.s #$10 | 0110 0001 0001 0000 | 6110 |
bhi.s #$10 | 0110 0010 0001 0000 | 6210 |
bls.s #$10 | 0110 0011 0001 0000 | 6310 |
bcc.s #$10 | 0110 0100 0001 0000 | 6410 |
bcs.s #$10 | 0110 0101 0001 0000 | 6510 |
bne.s #$10 | 0110 0110 0001 0000 | 6610 |
beq.s #$10 | 0110 0111 0001 0000 | 6710 |
bvc.s #$10 | 0110 1000 0001 0000 | 6810 |
bvs.s #$10 | 0110 1001 0001 0000 | 6910 |
bpl.s #$10 | 0110 1010 0001 0000 | 6A10 |
bmi.s #$10 | 0110 1011 0001 0000 | 6B10 |
bge.s #$10 | 0110 1100 0001 0000 | 6C10 |
blt.s #$10 | 0110 1101 0001 0000 | 6D10 |
bgt.s #$10 | 0110 1110 0001 0000 | 6E10 |
ble.s #$10 | 0110 1111 0001 0000 | 6F10 |
clr.l d0 | 0100 0010 1000 0000 | 4280 |
clr.w ($FFFF8500).w | 0100 0010 0111 1000 | 4278 8500 |
cmpi.b #$26, ($FFFFFFE4).w | 0000 1100 0011 1000 | 0C38 0026 FFE4 |
cmpi.w #$4170, ($FFFFFFB0).w | 0000 1100 0111 1000 | 0C78 4170 FFB0 |
cmpi.l #$0, d2 | 0000 1100 1000 0010 | 0C82 0000 0000 |
dbf d0, $556A | 0101 0001 1100 0000 | 51C0 556A |
divs.w #$A, d0 | 1000 0001 1111 1100 | 81FC 000A |
divu.w ($FFFFF314).w, d1 | 1000 0010 1111 1000 | 82F8 F314 |
eori.b #$80, ($FFFFF00E).w | 0000 1010 0011 1000 | 0A38 0080 F00E |
eori.w #$3119, ($FFFFF010).w | 0000 1010 0111 1000 | 0A78 3119 F010 |
eori.l #$FFFF, (a0) | 0000 1010 1001 0000 | 0A90 FFFF |
exg d1, d2 | 1100 0011 0100 0010 | C342 |
exg a3, a4 | 1100 0111 0100 1100 | C74C |
exg d5, a6 | 1100 1011 1000 1110 | CB8E |
ext.w d0 | 0100 1000 1000 0000 | 4880 |
ext.l d1 | 0100 1000 1100 0001 | 48C1 |
illegal | 0100 1010 1111 1100 | 4AFC |
jmp (a1) | 0100 1110 1100 0001 | 4EA1 |
jmp $65A70 | 0100 1110 1111 1001 | 4EF9 0006 5A70 |
jsr $4B98C | 0100 1110 1011 1001 | 4EB9 0004 B98C |
lea.l ($FFFFFFF4).w, a0 | 0100 0001 1111 1000 | 41F8 FFF4 |
link.w a4, #$1087 | 0100 1110 0101 0100 | 4E54 1087 |
lsl.b #1, d0 | 1110 0011 0000 1001 | E309 |
lsr.w d2, d1 | 1110 0100 0110 1010 | E54A |
move.b #$64, ($FFFFFFE0).w | 0001 0001 1111 1100 | 11FC 0064 FFE0 |
move.w #$03E8, ($FFFFFFE0).w | 0011 0001 1111 1100 | 31FC 03E8 FFE0 |
move.l #$05F5E100, ($FFFFFFE0).l | 0010 0001 1111 1100 | 21FC 05F5 E100 FFE0 |
move.b #$20, d1 | 0001 0010 0011 1100 | 123C 0020 |
move.w ($FFFF01A5).w, ($FFFFFFE0).w | 0011 0011 1111 1001 | 33F9 01A5 FFE0 |
move.l d1, ($FFFFFFE0).w | 0010 0011 1100 0001 | 23C1 FFE0 |
movea.w #$6000, a4 | 0011 1000 0111 1100 | 387C 6000 |
moveq.l #$80, d1 | 0111 0010 1000 0000 | 7280 |
muls.w #$19, d1 | 1100 0011 1111 1100 | E3FC 0019 |
mulu.w #$19, d2 | 1100 0100 1111 1100 | E4FC 0019 |
neg.w ($FFFFFE26).w | 0100 0100 0111 1000 | 4478 FE26 |
neg.l d0 | 0100 0100 1000 0000 | 4480 |
nop | 0100 1110 0111 0001 | 4E71 |
not.w ($FFFFFE26).w | 0100 0110 0111 1000 | 4678 FE26 |
not.l d0 | 0100 0110 1000 0000 | 4680 |
ori.b #$36, d1 | 0000 0000 0000 0001 | 0001 0036 |
ori.w #$2005, ($FFFFF100).w | 0000 0000 0111 1000 | 0074 2005 F100 |
pea ($FFFFE53C).w | 0100 1000 0111 1000 | 4878 E53C |
rol.w d0, d1 | 1110 0001 0111 1001 | E1E9 |
ror.l #1, d3 | 1110 0010 1001 1011 | E6EA |
rol.w ($FFFFFFE0).w | 1110 0111 1111 1000 | E7F8 FFE0 |
rte | 0100 1110 0111 0011 | 4E73 |
rtr | 0100 1110 0111 0111 | 4E77 |
rts | 0100 1110 0111 0101 | 4E75 |
st.b ($FFFFF000).w | 0101 0000 1111 1000 | 50F0 F000 |
sf.b ($FFFFF000).w | 0101 0001 1111 1000 | 51F0 F000 |
shi.b ($FFFFF000).w | 0101 0010 1111 1000 | 52F0 F000 |
sls.b ($FFFFF000).w | 0101 0011 1111 1000 | 53F0 F000 |
scc.b ($FFFFF000).w | 0101 0100 1111 1000 | 54F0 F000 |
scs.b ($FFFFF000).w | 0101 0101 1111 1000 | 55F0 F000 |
sne.b ($FFFFF000).w | 0101 0110 1111 1000 | 56F0 F000 |
seq.b ($FFFFF000).w | 0101 0111 1111 1000 | 57F0 F000 |
svc.b ($FFFFF000).w | 0101 1000 1111 1000 | 58F0 F000 |
svs.b ($FFFFF000).w | 0101 1001 1111 1000 | 59F0 F000 |
spl.b ($FFFFF000).w | 0101 1010 1111 1000 | 5AF0 F000 |
smi.b ($FFFFF000).w | 0101 1011 1111 1000 | 5BF0 F000 |
sge.b ($FFFFF000).w | 0101 1100 1111 1000 | 5CF0 F000 |
slt.b ($FFFFF000).w | 0101 1101 1111 1000 | 5DF0 F000 |
sgt.b ($FFFFF000).w | 0101 1110 1111 1000 | 5EF0 F000 |
sle.b ($FFFFF000).w | 0101 1111 1111 1000 | 5FF0 F000 |
stop $2500 | 0100 1110 0111 0010 | 4E72 2500 |
suba.w (a0), a1 | 1101 0010 1101 0001 | D2D1 |
suba.w ($FFFFF100).w, a2 | 1101 0100 1111 1000 | D2F8 F100 |
suba.l ($FFFFF100).l, a3 | 1001 1011 1111 1001 | D3F9 F100 |
suba.w #$1337, a4 | 1001 1100 1111 1100 | D2FC 1337 |
subi.b #$20, d1 | 0000 0100 0000 0001 | 0601 0020 |
subi.w #$1337, ($FFFFF100).w | 0000 0100 0111 1000 | 0678 1337 F100 |
subi.l #$19650917, ($FFFFF100).l | 0000 0100 1111 1001 | 06F9 1965 0917 F100 |
subq.b #1, ($FFFFF100).w | 0101 0011 0011 1000 | 5338 F100 |
subq.b #2, ($FFFFF100).w | 0101 0101 0011 1000 | 5538 F100 |
subq.b #8, ($FFFFF100).w | 0101 0001 0011 1000 | 5138 F100 |
swap.w d0 | 0100 1000 0100 0000 | 4840 |
tas.b ($FFFFFE00).w | 0100 1010 1111 1000 | 4AF8 FE00 |
trap #1 | 0100 1110 0100 0001 | 4E41 |
trapv | 0100 1110 0111 0110 | 4E76 |
tst.ld1 | 0100 1010 1000 0001 | 4A81 |
tst.w ($FFFFAA80).w | 0100 1010 0111 1000 | 4A78 AA80 |
tst.b ($FFFFAA80).w | 0100 1010 0011 1000 | 4A38 AA80 |
unlk a0 | 0100 1110 0101 1000 | 4E58 |