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- .define exg
- .sect .text
- .sect .rom
- .sect .data
- .sect .bss
- .sect .text
- !size (bytes) in R0
- exg:
- ldm savereg, R4, $10
- ldl RR2, RR14
- inc R3, $2
- ldl RR4, RR2
- add R5, R0
- sra R0
- 1: ld R1, *RR2
- ex R1, *RR4
- ld *RR4, R1
- inc R3, $2
- inc R5, $2
- djnz R0, 1b
- ldm R4, savereg, $10
- ret
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