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27 lines
243 B
NASM
27 lines
243 B
NASM
%ifdef CONFIG
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{
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"RegData": {
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"RAX": "0",
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"RBX": "1"
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},
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"Mode": "32BIT"
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}
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%endif
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finit ; IOC is 0
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fldz
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fldz
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fdiv st0, st1 ; IOC is 1
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fnstsw ax
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and eax, 1
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mov ebx, eax ; save IOC to RBX
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; Clear
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fnclex
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fnstsw ax
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and eax, 1
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hlt
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