39 lines
892 B
ArmAsm
39 lines
892 B
ArmAsm
.include "t-macros.i"
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start
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PSW_BITS = PSW_FX|PSW_ST|PSW_SM
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loadpsw2 PSW_BITS
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;; Test normal sadd
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loadacc2 a0 0x00 0x7fff 0xffff
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loadacc2 a1 0xff 0x8000 0x0000
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sadd a1, a0
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checkacc2 1 a0 0x00 0x7fff 0xffff
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checkacc2 2 a1 0xff 0x8000 0x7fff
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;; Test overflow
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loadacc2 a0 0x00 0x0000 0x0000
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loadacc2 a1 0x01 0x8000 0x0000
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sadd a1, a0
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checkacc2 3 a0 0x00 0x0000 0x0000
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checkacc2 4 a1 0x00 0x7fff 0xffff
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loadacc2 a0 0x00 0xffff 0xffff
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loadacc2 a1 0x00 0xffff 0xffff
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sadd a1, a0
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checkacc2 5 a1 0x00 0x7fff 0xffff
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checkacc2 6 a0 0x00 0xffff 0xffff
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;; Test underflow
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loadacc2 a0 0x00 0x0000 0x0000
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loadacc2 a1 0x80 0x8000 0x0000
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sadd a1, a0
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checkacc2 7 a0 0x00 0x0000 0x0000
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checkacc2 8 a1 0xff 0x8000 0x0000
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exit0
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