21 lines
231 B
ArmAsm
21 lines
231 B
ArmAsm
.sect .text; .sect .rom; .sect .data; .sect .bss
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.define .exg
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! #bytes in cx
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.sect .text
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.exg:
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push di
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mov sp,di
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add di,4
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mov bx,di
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add bx,cx
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sar cx,1
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1:
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mov ax,(bx)
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xchg ax,(di)
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mov (bx),ax
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loop 1b
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2:
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pop di
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ret
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