forked from KolibriOS/kolibrios
30 lines
294 B
NASM
30 lines
294 B
NASM
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format ELF
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include 'proc32.inc'
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section '.text' executable
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public floorf
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floorf:
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push ebp
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mov ebp,esp
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sub esp,8
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fstcw [ebp-12]
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mov dx,word[ebp-12]
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or dx,0x0400
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and dx,0xf7ff
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mov word[ebp-16],dx
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fldcw [ebp-16]
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fld dword[ebp+8]
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frndint
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fldcw [ebp-12]
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leave
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ret
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