ack/mach/z8000/libem/lar.s

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1985-01-08 11:48:43 +00:00
.define lar
1987-01-19 10:51:50 +00:00
.sect .text
.sect .rom
.sect .data
.sect .bss
.sect .text
1985-01-08 11:48:43 +00:00
!R1 contains description address
!R3 contains element number
!base address is on stack
lar:
popl saveret, *RR14
sub R3, 0(R1)
ld R0, 4(R1) !nr of bytes per element
mult RR2, R0
add R3, *RR14
add R3, R0
sra R0 !nr of words per element
jr EQ, 1f
dec R3, $2
lddr *RR14, *RR2, R0
inc R15, $2
jr 2f
1: ldb RL2, -1(R3)
ldb RH2, $0
ld *RR14, R2
2: ldl RR2, saveret
jp *RR2