kolibrios-fun/programs/develop/ktcc/trunk/libc/math/floor.asm
andrew_programmer 48ecbd9104 Mathematical functions are added some.
It is added makefile for compilation of programs under KolibriOS with the help gcc.

git-svn-id: svn://kolibrios.org@696 a494cfbc-eb01-0410-851d-a64ba20cac60
2008-01-14 19:33:34 +00:00

30 lines
292 B
NASM

format ELF
include 'proc32.inc'
section '.text' executable
public floor
floor:
push ebp
mov ebp,esp
sub esp,8
fstcw [ebp-12]
mov dx,word[ebp-12]
or dx,0x0400
and dx,0xf7ff
mov word[ebp-16],dx
fldcw [ebp-16]
fld qword[ebp+8]
frndint
fldcw [ebp-12]
leave
ret