ack/mach/pdp/libem/prf.s

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.sect .text; .sect .rom; .sect .data; .sect .bss; .sect .text
.sect .text
.define prf~
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.extern save~,retu~,hol0,printf~
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! $Id$
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prf~:
jsr pc,save~
mov hol0,-(sp)
mov hol0+4,r0
beq 1f
mov r0,r2
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mov $050,r1
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3: movb (r2)+,r3
beq 2f
cmpb r3,$0177
bge 1f
cmpb r3,$040
blt 1f
sob r1,3b
clrb (r2)
2: mov sp,r1
mov r1,-(sp)
mov r0,-(sp)
mov $fmt,-(sp)
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jsr pc,printf~
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add $010,sp
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jsr pc,printf~
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jmp retu~
1: mov $name,r0
br 2b
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.sect .data
fmt: .asciz "\"%s\", sp = %d, line %d: "
name: .asciz "_unknown file_"