ack/mach/i86/libem/xor.s

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ArmAsm
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1987-01-08 10:13:48 +00:00
.sect .text; .sect .rom; .sect .data; .sect .bss
.sect .text
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.define .xor
! #bytes in cx
.xor:
pop bx ! return address
mov dx,di
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mov di,sp
add di,cx
sar cx,1
1:
pop ax
xor ax,(di)
stos
loop 1b
mov di,dx
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jmp bx