ack/mach/z8000/libem/los2.s

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288 B
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1985-01-08 11:48:43 +00:00
.define los2
los2:
popl saveret, *RR14
pop R0, *RR14 !object size
ldk R2, $0
pop R3, *RR14 !address of object
cp R0, $1
jr NE, 1f
ldb RL0, *RR2
push *RR14, R0
jr 2f
1: add R3, R0
dec R3, $2
dec R15, $2
sra R0
lddr *RR14, *RR2, R0
inc R15, $2
2: pushl *RR14, saveret
ret