ack/mach/z8000/libem/rmu4.s
1985-02-17 00:57:20 +00:00

20 lines
261 B
ArmAsm

.define rmu4
rmu4:
popl saveret, *RR14
ldm savereg, R4, $10
popl RR4, *RR14
popl RR2, *RR14
testl RR4
jr MI, 1f
ldl RR0, $0
divl RQ0, RR4
jr 2f
1: ldl RR0, RR2
cpl RR4, RR2
jr UGT, 2f
sub RR0, RR4
2: ldm R4, savereg, $10
pushl *RR14, saveret
ret