33 lines
385 B
ArmAsm
33 lines
385 B
ArmAsm
.define .sts
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.define .sts4
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.sect .text
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.sect .rom
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.sect .data
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.sect .bss
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! d0 : # bytes
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! a0 : destination address
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.sect .text
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.sts:
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move.l (sp)+,a1
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move.w (sp)+,d0
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ext.l d0
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9:
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move.l (sp)+,a0
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cmp.l #1,d0
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bne 1f
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move.w (sp)+,d0
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move.b d0,(a0)
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bra 3f
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1:
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asr.l #1,d0
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2:
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move.w (sp)+,(a0)+
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sub.l #1,d0
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bgt 2b
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3:
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jmp (a1)
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.sts4:
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move.l (sp)+,a1
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move.l (sp)+,d0
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bra 9b
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