ack/mach/pdp/libem/ror.s
1984-07-19 12:51:00 +00:00

19 lines
203 B
ArmAsm

.text
.globl ror~
.globl save~,retu~
ror~:
asr r0
jsr pc,save~
mov (sp)+,r3
3: mov sp,r1
mov r0,-(sp)
clc
1: ror (r1)+
sob r0,1b
bcc 2f
bis $0100000,02(sp)
2: mov (sp)+,r0
sob r3,3b
jmp retu~