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- # r0-r3 are used as tmps, consider them call clobbered by these macros.
- .macro start
- .data
- failmsg:
- .ascii "fail\n"
- passmsg:
- .ascii "pass\n"
- .text
- .global _start
- _start:
- .endm
- .macro exit rc
- ldi8 r1, \rc
- ldi8 r0, #1
- trap #0
- .endm
- .macro pass
- ldi8 r3, 5
- ld24 r2, passmsg
- ldi8 r1, 1
- ldi8 r0, 5
- trap #0
- exit 0
- .endm
- .macro fail
- ldi8 r3, 5
- ld24 r2, failmsg
- ldi8 r1, 1
- ldi8 r0, 5
- trap #0
- exit 1
- .endm
- .macro mvi_h_gr reg, val
- .if (\val >= -128) && (\val <= 127)
- ldi8 \reg, \val
- .else
- seth \reg, high(\val)
- or3 \reg, \reg, low(\val)
- .endif
- .endm
- .macro mvaddr_h_gr reg, addr
- seth \reg, high(\addr)
- or3 \reg, \reg, low(\addr)
- .endm
- # Other macros know this only clobbers r0.
- .macro test_h_gr reg, val
- mvaddr_h_gr r0, \val
- beq \reg, r0, test_gr\@
- fail
- test_gr\@:
- .endm
- .macro mvi_h_condbit val
- ldi8 r0, 0
- ldi8 r1, 1
- .if \val
- cmp r0, r1
- .else
- cmp r1, r0
- .endif
- .endm
- .macro test_h_condbit val
- .if \val
- bc test_c1\@
- fail
- test_c1\@:
- .else
- bnc test_c0\@
- fail
- test_c0\@:
- .endif
- .endm
- .macro mvi_h_accum0 hi, lo
- mvi_h_gr r0, \hi
- mvtachi r0
- mvi_h_gr r0, \lo
- mvtaclo r0
- .endm
- .macro test_h_accum0 hi, lo
- mvfachi r1
- test_h_gr r1, \hi
- mvfaclo r1
- test_h_gr r1, \lo
- .endm
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