36 lines
421 B
ArmAsm
36 lines
421 B
ArmAsm
.define .blm
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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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.sect .text
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! Block move
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! Expects in de-reg: size of block
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! Expects on stack: destination address
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! source address
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.blm: pop h
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shld .retadr
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mov h,b
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mov l,c
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shld .bcreg
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pop h ! hl = destination address
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pop b ! bc = source address
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1: ldax b
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mov m,a
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inx b
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inx h
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dcx d
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mov a,d
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ora e
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jnz 1b
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lhld .bcreg
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mov b,h
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mov c,l
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lhld .retadr
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pchl
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