ack/mach/i86/libem/xor.s

19 lines
224 B
ArmAsm

.sect .text; .sect .rom; .sect .data; .sect .bss
.sect .text
.define .xor
! #bytes in cx
.xor:
pop bx ! return address
mov dx,di
mov di,sp
add di,cx
sar cx,1
1:
pop ax
xor ax,(di)
stos
loop 1b
mov di,dx
jmp bx