ack/mach/pdp/libem/los2.s

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/ $Header$
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.text
.globl los2~
los2~:
mov (sp)+,r3
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cmp r0,$01
bne 1f
clr -(sp)
bisb (r1),(sp)
jmp (r3)
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1: add r0,r1
asr r0
2: mov -(r1),-(sp)
sob r0,2b
jmp (r3)