ack/mach/pdp/libem/rol.s

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1987-05-15 09:11:10 +00:00
.sect .text; .sect .rom; .sect .data; .sect .bss; .sect .text
.sect .text
.define rol~
.extern save~,retu~
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! $Id$
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rol~:
jsr pc,save~
mov (sp)+,r3
3: add r0,sp
mov r0,r1
asr r1
clc
1: rol -(sp)
sob r1,1b
bcc 2f
mov sp,r1
add r0,r1
bis $01,-(r1)
2: sob r3,3b
jmp retu~