30 lines
445 B
ArmAsm
30 lines
445 B
ArmAsm
.sect .text; .sect .rom; .sect .data; .sect .bss
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.sect .text
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.define .sbi
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! #bytes in cx , top of stack in ax
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.sbi:
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pop bx ! return subress
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cmp cx,2
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jne 1f
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pop cx
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sub ax,cx
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neg ax
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jmp bx
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1:
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cmp cx,4
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jne 9f
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pop dx
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pop cx
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sub cx,ax
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mov ax,cx
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pop cx
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sbb cx,dx
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push cx
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jmp bx
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9:
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.extern EODDZ
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.extern .trp
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mov ax,EODDZ
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push bx
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jmp .trp
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