.define dup
.sect .text
.sect .rom
.sect .data
.sect .bss
dup:
popl saveret, *RR14
dec R15, $2
ldl RR2, RR14
add R3, R0
sra R0
lddr *RR14, *RR2, R0
inc R15, $2
pushl *RR14, saveret
ret