mirror of
https://github.com/KolibriOS/kolibrios.git
synced 2024-12-15 03:12:35 +03:00
57 lines
2.4 KiB
NASM
57 lines
2.4 KiB
NASM
;*****************************************************************************
|
|
;*
|
|
;* Open Watcom Project
|
|
;*
|
|
;* Portions Copyright (c) 1983-2002 Sybase, Inc. All Rights Reserved.
|
|
;*
|
|
;* ========================================================================
|
|
;*
|
|
;* This file contains Original Code and/or Modifications of Original
|
|
;* Code as defined in and that are subject to the Sybase Open Watcom
|
|
;* Public License version 1.0 (the 'License'). You may not use this file
|
|
;* except in compliance with the License. BY USING THIS FILE YOU AGREE TO
|
|
;* ALL TERMS AND CONDITIONS OF THE LICENSE. A copy of the License is
|
|
;* provided with the Original Code and Modifications, and is also
|
|
;* available at www.sybase.com/developer/opensource.
|
|
;*
|
|
;* The Original Code and all software distributed under the License are
|
|
;* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
|
|
;* EXPRESS OR IMPLIED, AND SYBASE AND ALL CONTRIBUTORS HEREBY DISCLAIM
|
|
;* ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF
|
|
;* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR
|
|
;* NON-INFRINGEMENT. Please see the License for the specific language
|
|
;* governing rights and limitations under the License.
|
|
;*
|
|
;* ========================================================================
|
|
;*
|
|
;* Description: WHEN YOU FIGURE OUT WHAT THIS FILE DOES, PLEASE
|
|
;* DESCRIBE IT HERE!
|
|
;*
|
|
;*****************************************************************************
|
|
|
|
|
|
;========================================================================
|
|
;== Name: FSN ==
|
|
;== Operation: Floating single negate ==
|
|
;== Inputs: EAX flaot value ==
|
|
;== Outputs: EAX new float value ==
|
|
;== Volatile: none ==
|
|
;========================================================================
|
|
include mdef.inc
|
|
include struct.inc
|
|
|
|
modstart fsn386
|
|
|
|
xdefp __FSN
|
|
|
|
defpe __FSN
|
|
or EAX,EAX ; if number not zero
|
|
_if ne ; then
|
|
xor EAX,80000000h ; - flip the sign bit
|
|
_endif ; endif
|
|
ret ; and return!!!
|
|
endproc __FSN
|
|
|
|
endmod
|
|
end
|