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26 lines
524 B
NASM
26 lines
524 B
NASM
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;--- extend register arguments to DWORD and SDWORD params in 32-bit
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.386
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.model flat
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.code
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ux proc c a1:dword, a2:dword, a3:dword, a4:dword
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ret
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ux endp
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sx proc c a1:sdword, a2:sdword, a3:sdword, a4:sdword
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ret
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sx endp
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invoke sx, cl, dh, bx, ax
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;--- with type coercion, the values are sign-extended,
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;--- no matter if the target is signed or not.
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invoke sx, sbyte ptr cl, sbyte ptr dh, sword ptr bx, sword ptr ax
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invoke ux, sbyte ptr cl, sbyte ptr dh, sword ptr bx, sword ptr ax
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end
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