ack/mach/pdp/libem/cmu4.s

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.sect .text; .sect .rom; .sect .data; .sect .bss; .sect .text
.sect .text
.define cmu4~
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! $Id$
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cmu4~:
mov (sp)+,r1
clr r0
cmp (sp),4(sp)
bhi 1f
blo 2f
cmp 2(sp),6(sp)
bhi 1f
beq 3f
2:
inc r0
br 3f
1:
dec r0
3:
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add $010,sp
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jmp (r1)