ack/mach/pdp/libem/sar.s

18 lines
188 B
ArmAsm

/ $Header$
.text
.globl sar~
sar~:
mov (sp)+,r3
sub (r0),r1
mov 04(r0),r0
mul r0,r1
add (sp)+,r1
asr r0
beq 1f
2: mov (sp)+,(r1)+
sob r0,2b
jmp (r3)
1: movb (sp)+,(r1)
jmp (r3)