ack/mach/pdp/libem/los2.s

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.sect .text; .sect .rom; .sect .data; .sect .bss; .sect .text
.sect .text
.define los2~
! $Header$
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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)