slouken@1330
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1 |
/*
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slouken@1330
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2 |
SDL - Simple DirectMedia Layer
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slouken@1330
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Copyright (C) 1997-2006 Sam Lantinga
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slouken@1330
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4 |
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slouken@1330
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This library is free software; you can redistribute it and/or
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slouken@1330
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modify it under the terms of the GNU Lesser General Public
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slouken@1330
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License as published by the Free Software Foundation; either
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slouken@1330
|
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version 2.1 of the License, or (at your option) any later version.
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slouken@1330
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slouken@1330
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10 |
This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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slouken@1330
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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slouken@1330
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slouken@1330
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You should have received a copy of the GNU Lesser General Public
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slouken@1330
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License along with this library; if not, write to the Free Software
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slouken@1330
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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slouken@1330
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slouken@1330
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Sam Lantinga
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slouken@1330
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slouken@libsdl.org
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slouken@1330
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*/
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slouken@1402
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#include "SDL_config.h"
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slouken@1330
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slouken@1330
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/* This file contains portable stdlib functions for SDL */
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slouken@1330
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slouken@1354
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#include "SDL_stdinc.h"
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slouken@1330
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slouken@1330
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#ifndef HAVE_LIBC
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/* These are some C runtime intrinsics that need to be defined */
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slouken@1330
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slouken@1330
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#if defined(_MSC_VER)
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slouken@1330
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slouken@1433
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#ifndef __FLTUSED__
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slouken@1433
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#define __FLTUSED__
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slouken@1433
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#ifdef __cplusplus
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slouken@1895
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extern "C"
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slouken@1433
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#endif
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slouken@1895
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__declspec(selectany)
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slouken@1895
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int _fltused = 1;
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slouken@1433
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#endif
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slouken@1433
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slouken@1346
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/* Float to long */
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slouken@1895
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void __declspec(naked) _ftol()
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slouken@1345
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{
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slouken@1895
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/* *INDENT-OFF* */
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slouken@1895
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__asm {
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slouken@1895
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push ebp
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slouken@1895
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mov ebp,esp
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slouken@1895
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sub esp,20h
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slouken@1895
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and esp,0FFFFFFF0h
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slouken@1895
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fld st(0)
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slouken@1895
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fst dword ptr [esp+18h]
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slouken@1895
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fistp qword ptr [esp+10h]
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slouken@1895
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fild qword ptr [esp+10h]
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slouken@1895
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mov edx,dword ptr [esp+18h]
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slouken@1895
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mov eax,dword ptr [esp+10h]
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slouken@1895
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test eax,eax
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slouken@1895
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je integer_QnaN_or_zero
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slouken@1346
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arg_is_not_integer_QnaN:
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slouken@1895
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fsubp st(1),st
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slouken@1895
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test edx,edx
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slouken@1895
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jns positive
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slouken@1895
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fstp dword ptr [esp]
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slouken@1895
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mov ecx,dword ptr [esp]
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slouken@1895
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xor ecx,80000000h
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slouken@1895
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add ecx,7FFFFFFFh
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slouken@1895
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adc eax,0
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slouken@1895
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mov edx,dword ptr [esp+14h]
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slouken@1895
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adc edx,0
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slouken@1895
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jmp localexit
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slouken@1346
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positive:
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slouken@1895
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fstp dword ptr [esp]
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slouken@1895
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mov ecx,dword ptr [esp]
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slouken@1895
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add ecx,7FFFFFFFh
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slouken@1895
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sbb eax,0
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slouken@1895
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mov edx,dword ptr [esp+14h]
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slouken@1895
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sbb edx,0
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slouken@1895
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jmp localexit
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slouken@1346
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integer_QnaN_or_zero:
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slouken@1895
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mov edx,dword ptr [esp+14h]
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slouken@1895
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test edx,7FFFFFFFh
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slouken@1895
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jne arg_is_not_integer_QnaN
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slouken@1895
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fstp dword ptr [esp+18h]
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slouken@1895
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fstp dword ptr [esp+18h]
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slouken@1346
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localexit:
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slouken@1895
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leave
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slouken@1895
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ret
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slouken@1895
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}
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slouken@1895
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/* *INDENT-ON* */
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slouken@1345
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}
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slouken@1895
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slouken@1895
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void
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slouken@1895
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__declspec(naked)
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slouken@1895
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_ftol2_sse()
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slouken@1330
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{
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slouken@1895
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_ftol();
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slouken@1330
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}
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slouken@1330
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slouken@1346
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/* 64-bit math operators for 32-bit systems */
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slouken@1895
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void
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slouken@1895
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__declspec(naked)
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slouken@1895
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_allmul()
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slouken@1346
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{
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slouken@1895
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/* *INDENT-OFF* */
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slouken@1895
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__asm {
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slouken@1895
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push ebp
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slouken@1895
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mov ebp,esp
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slouken@1895
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push edi
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slouken@1895
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push esi
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slouken@1895
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push ebx
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slouken@1895
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sub esp,0Ch
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slouken@1895
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mov eax,dword ptr [ebp+10h]
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slouken@1895
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mov edi,dword ptr [ebp+8]
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slouken@1895
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mov ebx,eax
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slouken@1895
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mov esi,eax
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slouken@1895
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sar esi,1Fh
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slouken@1895
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mov eax,dword ptr [ebp+8]
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slouken@1895
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mul ebx
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slouken@1895
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imul edi,esi
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slouken@1895
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mov ecx,edx
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slouken@1895
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mov dword ptr [ebp-18h],eax
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slouken@1895
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mov edx,dword ptr [ebp+0Ch]
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slouken@1895
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add ecx,edi
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slouken@1895
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imul ebx,edx
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slouken@1895
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mov eax,dword ptr [ebp-18h]
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slouken@1895
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lea ebx,[ebx+ecx]
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slouken@1895
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mov dword ptr [ebp-14h],ebx
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slouken@1895
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128 |
mov edx,dword ptr [ebp-14h]
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slouken@1895
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add esp,0Ch
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slouken@1895
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130 |
pop ebx
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slouken@1895
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pop esi
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slouken@1895
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pop edi
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slouken@1895
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pop ebp
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slouken@1895
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ret
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slouken@1895
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}
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slouken@1895
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/* *INDENT-ON* */
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slouken@1346
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}
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slouken@2735
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138 |
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slouken@1895
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void
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slouken@1895
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140 |
__declspec(naked)
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slouken@1895
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_alldiv()
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slouken@1330
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{
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slouken@1895
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/* *INDENT-OFF* */
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slouken@1895
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__asm {
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slouken@1895
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145 |
push edi
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slouken@1895
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146 |
push esi
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slouken@1895
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147 |
push ebx
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slouken@1895
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148 |
xor edi,edi
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slouken@1895
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mov eax,dword ptr [esp+14h]
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slouken@1895
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150 |
or eax,eax
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slouken@1895
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jge L1
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slouken@1895
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inc edi
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slouken@1895
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mov edx,dword ptr [esp+10h]
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slouken@1895
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neg eax
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slouken@1895
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neg edx
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slouken@1895
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sbb eax,0
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slouken@1895
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mov dword ptr [esp+14h],eax
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slouken@1895
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mov dword ptr [esp+10h],edx
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slouken@1346
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L1:
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slouken@1895
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160 |
mov eax,dword ptr [esp+1Ch]
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slouken@1895
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161 |
or eax,eax
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slouken@1895
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162 |
jge L2
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slouken@1895
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163 |
inc edi
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slouken@1895
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164 |
mov edx,dword ptr [esp+18h]
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slouken@1895
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165 |
neg eax
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slouken@1895
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166 |
neg edx
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slouken@1895
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167 |
sbb eax,0
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slouken@1895
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168 |
mov dword ptr [esp+1Ch],eax
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slouken@1895
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169 |
mov dword ptr [esp+18h],edx
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slouken@1346
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170 |
L2:
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slouken@1895
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171 |
or eax,eax
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slouken@1895
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172 |
jne L3
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slouken@1895
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173 |
mov ecx,dword ptr [esp+18h]
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slouken@1895
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174 |
mov eax,dword ptr [esp+14h]
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slouken@1895
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175 |
xor edx,edx
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slouken@1895
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176 |
div ecx
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slouken@1895
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177 |
mov ebx,eax
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slouken@1895
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178 |
mov eax,dword ptr [esp+10h]
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slouken@1895
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179 |
div ecx
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slouken@1895
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180 |
mov edx,ebx
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slouken@1895
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181 |
jmp L4
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slouken@1346
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182 |
L3:
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slouken@1895
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183 |
mov ebx,eax
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slouken@1895
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184 |
mov ecx,dword ptr [esp+18h]
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slouken@1895
|
185 |
mov edx,dword ptr [esp+14h]
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slouken@1895
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186 |
mov eax,dword ptr [esp+10h]
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slouken@1346
|
187 |
L5:
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slouken@1895
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188 |
shr ebx,1
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slouken@1895
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189 |
rcr ecx,1
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slouken@1895
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190 |
shr edx,1
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slouken@1895
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191 |
rcr eax,1
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slouken@1895
|
192 |
or ebx,ebx
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slouken@1895
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193 |
jne L5
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slouken@1895
|
194 |
div ecx
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slouken@1895
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195 |
mov esi,eax
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slouken@1895
|
196 |
mul dword ptr [esp+1Ch]
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slouken@1895
|
197 |
mov ecx,eax
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slouken@1895
|
198 |
mov eax,dword ptr [esp+18h]
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slouken@1895
|
199 |
mul esi
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slouken@1895
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200 |
add edx,ecx
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slouken@1895
|
201 |
jb L6
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slouken@1895
|
202 |
cmp edx,dword ptr [esp+14h]
|
slouken@1895
|
203 |
ja L6
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slouken@1895
|
204 |
jb L7
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slouken@1895
|
205 |
cmp eax,dword ptr [esp+10h]
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slouken@1895
|
206 |
jbe L7
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slouken@1346
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207 |
L6:
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slouken@1895
|
208 |
dec esi
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slouken@1346
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209 |
L7:
|
slouken@1895
|
210 |
xor edx,edx
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slouken@1895
|
211 |
mov eax,esi
|
slouken@1346
|
212 |
L4:
|
slouken@1895
|
213 |
dec edi
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slouken@1895
|
214 |
jne L8
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slouken@1895
|
215 |
neg edx
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slouken@1895
|
216 |
neg eax
|
slouken@1895
|
217 |
sbb edx,0
|
slouken@1346
|
218 |
L8:
|
slouken@1895
|
219 |
pop ebx
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slouken@1895
|
220 |
pop esi
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slouken@1895
|
221 |
pop edi
|
slouken@1895
|
222 |
ret 10h
|
slouken@1895
|
223 |
}
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slouken@1895
|
224 |
/* *INDENT-ON* */
|
slouken@1330
|
225 |
}
|
slouken@2735
|
226 |
|
slouken@1895
|
227 |
void
|
slouken@1895
|
228 |
__declspec(naked)
|
slouken@1895
|
229 |
_aulldiv()
|
slouken@1330
|
230 |
{
|
slouken@1895
|
231 |
/* *INDENT-OFF* */
|
slouken@1895
|
232 |
__asm {
|
slouken@1895
|
233 |
push ebx
|
slouken@1895
|
234 |
push esi
|
slouken@1895
|
235 |
mov eax,dword ptr [esp+18h]
|
slouken@1895
|
236 |
or eax,eax
|
slouken@1895
|
237 |
jne L1
|
slouken@1895
|
238 |
mov ecx,dword ptr [esp+14h]
|
slouken@1895
|
239 |
mov eax,dword ptr [esp+10h]
|
slouken@1895
|
240 |
xor edx,edx
|
slouken@1895
|
241 |
div ecx
|
slouken@1895
|
242 |
mov ebx,eax
|
slouken@1895
|
243 |
mov eax,dword ptr [esp+0Ch]
|
slouken@1895
|
244 |
div ecx
|
slouken@1895
|
245 |
mov edx,ebx
|
slouken@1895
|
246 |
jmp L2
|
slouken@1346
|
247 |
L1:
|
slouken@1895
|
248 |
mov ecx,eax
|
slouken@1895
|
249 |
mov ebx,dword ptr [esp+14h]
|
slouken@1895
|
250 |
mov edx,dword ptr [esp+10h]
|
slouken@1895
|
251 |
mov eax,dword ptr [esp+0Ch]
|
slouken@1346
|
252 |
L3:
|
slouken@1895
|
253 |
shr ecx,1
|
slouken@1895
|
254 |
rcr ebx,1
|
slouken@1895
|
255 |
shr edx,1
|
slouken@1895
|
256 |
rcr eax,1
|
slouken@1895
|
257 |
or ecx,ecx
|
slouken@1895
|
258 |
jne L3
|
slouken@1895
|
259 |
div ebx
|
slouken@1895
|
260 |
mov esi,eax
|
slouken@1895
|
261 |
mul dword ptr [esp+18h]
|
slouken@1895
|
262 |
mov ecx,eax
|
slouken@1895
|
263 |
mov eax,dword ptr [esp+14h]
|
slouken@1895
|
264 |
mul esi
|
slouken@1895
|
265 |
add edx,ecx
|
slouken@1895
|
266 |
jb L4
|
slouken@1895
|
267 |
cmp edx,dword ptr [esp+10h]
|
slouken@1895
|
268 |
ja L4
|
slouken@1895
|
269 |
jb L5
|
slouken@1895
|
270 |
cmp eax,dword ptr [esp+0Ch]
|
slouken@1895
|
271 |
jbe L5
|
slouken@1346
|
272 |
L4:
|
slouken@1895
|
273 |
dec esi
|
slouken@1346
|
274 |
L5:
|
slouken@1895
|
275 |
xor edx,edx
|
slouken@1895
|
276 |
mov eax,esi
|
slouken@1346
|
277 |
L2:
|
slouken@1895
|
278 |
pop esi
|
slouken@1895
|
279 |
pop ebx
|
slouken@1895
|
280 |
ret 10h
|
slouken@1895
|
281 |
}
|
slouken@1895
|
282 |
/* *INDENT-ON* */
|
slouken@1330
|
283 |
}
|
slouken@2735
|
284 |
|
slouken@1895
|
285 |
void
|
slouken@1895
|
286 |
__declspec(naked)
|
slouken@1895
|
287 |
_allrem()
|
slouken@1330
|
288 |
{
|
slouken@1895
|
289 |
/* *INDENT-OFF* */
|
slouken@1895
|
290 |
__asm {
|
slouken@1895
|
291 |
push ebx
|
slouken@1895
|
292 |
push edi
|
slouken@1895
|
293 |
xor edi,edi
|
slouken@1895
|
294 |
mov eax,dword ptr [esp+10h]
|
slouken@1895
|
295 |
or eax,eax
|
slouken@1895
|
296 |
jge L1
|
slouken@1895
|
297 |
inc edi
|
slouken@1895
|
298 |
mov edx,dword ptr [esp+0Ch]
|
slouken@1895
|
299 |
neg eax
|
slouken@1895
|
300 |
neg edx
|
slouken@1895
|
301 |
sbb eax,0
|
slouken@1895
|
302 |
mov dword ptr [esp+10h],eax
|
slouken@1895
|
303 |
mov dword ptr [esp+0Ch],edx
|
slouken@1346
|
304 |
L1:
|
slouken@1895
|
305 |
mov eax,dword ptr [esp+18h]
|
slouken@1895
|
306 |
or eax,eax
|
slouken@1895
|
307 |
jge L2
|
slouken@1895
|
308 |
mov edx,dword ptr [esp+14h]
|
slouken@1895
|
309 |
neg eax
|
slouken@1895
|
310 |
neg edx
|
slouken@1895
|
311 |
sbb eax,0
|
slouken@1895
|
312 |
mov dword ptr [esp+18h],eax
|
slouken@1895
|
313 |
mov dword ptr [esp+14h],edx
|
slouken@1346
|
314 |
L2:
|
slouken@1895
|
315 |
or eax,eax
|
slouken@1895
|
316 |
jne L3
|
slouken@1895
|
317 |
mov ecx,dword ptr [esp+14h]
|
slouken@1895
|
318 |
mov eax,dword ptr [esp+10h]
|
slouken@1895
|
319 |
xor edx,edx
|
slouken@1895
|
320 |
div ecx
|
slouken@1895
|
321 |
mov eax,dword ptr [esp+0Ch]
|
slouken@1895
|
322 |
div ecx
|
slouken@1895
|
323 |
mov eax,edx
|
slouken@1895
|
324 |
xor edx,edx
|
slouken@1895
|
325 |
dec edi
|
slouken@1895
|
326 |
jns L4
|
slouken@1895
|
327 |
jmp L8
|
slouken@1346
|
328 |
L3:
|
slouken@1895
|
329 |
mov ebx,eax
|
slouken@1895
|
330 |
mov ecx,dword ptr [esp+14h]
|
slouken@1895
|
331 |
mov edx,dword ptr [esp+10h]
|
slouken@1895
|
332 |
mov eax,dword ptr [esp+0Ch]
|
slouken@1346
|
333 |
L5:
|
slouken@1895
|
334 |
shr ebx,1
|
slouken@1895
|
335 |
rcr ecx,1
|
slouken@1895
|
336 |
shr edx,1
|
slouken@1895
|
337 |
rcr eax,1
|
slouken@1895
|
338 |
or ebx,ebx
|
slouken@1895
|
339 |
jne L5
|
slouken@1895
|
340 |
div ecx
|
slouken@1895
|
341 |
mov ecx,eax
|
slouken@1895
|
342 |
mul dword ptr [esp+18h]
|
slouken@1895
|
343 |
xchg eax,ecx
|
slouken@1895
|
344 |
mul dword ptr [esp+14h]
|
slouken@1895
|
345 |
add edx,ecx
|
slouken@1895
|
346 |
jb L6
|
slouken@1895
|
347 |
cmp edx,dword ptr [esp+10h]
|
slouken@1895
|
348 |
ja L6
|
slouken@1895
|
349 |
jb L7
|
slouken@1895
|
350 |
cmp eax,dword ptr [esp+0Ch]
|
slouken@1895
|
351 |
jbe L7
|
slouken@1346
|
352 |
L6:
|
slouken@1895
|
353 |
sub eax,dword ptr [esp+14h]
|
slouken@1895
|
354 |
sbb edx,dword ptr [esp+18h]
|
slouken@1346
|
355 |
L7:
|
slouken@1895
|
356 |
sub eax,dword ptr [esp+0Ch]
|
slouken@1895
|
357 |
sbb edx,dword ptr [esp+10h]
|
slouken@1895
|
358 |
dec edi
|
slouken@1895
|
359 |
jns L8
|
slouken@1346
|
360 |
L4:
|
slouken@1895
|
361 |
neg edx
|
slouken@1895
|
362 |
neg eax
|
slouken@1895
|
363 |
sbb edx,0
|
slouken@1346
|
364 |
L8:
|
slouken@1895
|
365 |
pop edi
|
slouken@1895
|
366 |
pop ebx
|
slouken@1895
|
367 |
ret 10h
|
slouken@1895
|
368 |
}
|
slouken@1895
|
369 |
/* *INDENT-ON* */
|
slouken@1330
|
370 |
}
|
slouken@2735
|
371 |
|
slouken@1895
|
372 |
void
|
slouken@1895
|
373 |
__declspec(naked)
|
slouken@1895
|
374 |
_aullrem()
|
slouken@1330
|
375 |
{
|
slouken@1895
|
376 |
/* *INDENT-OFF* */
|
slouken@1895
|
377 |
__asm {
|
slouken@1895
|
378 |
push ebx
|
slouken@1895
|
379 |
mov eax,dword ptr [esp+14h]
|
slouken@1895
|
380 |
or eax,eax
|
slouken@1895
|
381 |
jne L1
|
slouken@1895
|
382 |
mov ecx,dword ptr [esp+10h]
|
slouken@1895
|
383 |
mov eax,dword ptr [esp+0Ch]
|
slouken@1895
|
384 |
xor edx,edx
|
slouken@1895
|
385 |
div ecx
|
slouken@1895
|
386 |
mov eax,dword ptr [esp+8]
|
slouken@1895
|
387 |
div ecx
|
slouken@1895
|
388 |
mov eax,edx
|
slouken@1895
|
389 |
xor edx,edx
|
slouken@1895
|
390 |
jmp L2
|
slouken@1346
|
391 |
L1:
|
slouken@1895
|
392 |
mov ecx,eax
|
slouken@1895
|
393 |
mov ebx,dword ptr [esp+10h]
|
slouken@1895
|
394 |
mov edx,dword ptr [esp+0Ch]
|
slouken@1895
|
395 |
mov eax,dword ptr [esp+8]
|
slouken@1346
|
396 |
L3:
|
slouken@1895
|
397 |
shr ecx,1
|
slouken@1895
|
398 |
rcr ebx,1
|
slouken@1895
|
399 |
shr edx,1
|
slouken@1895
|
400 |
rcr eax,1
|
slouken@1895
|
401 |
or ecx,ecx
|
slouken@1895
|
402 |
jne L3
|
slouken@1895
|
403 |
div ebx
|
slouken@1895
|
404 |
mov ecx,eax
|
slouken@1895
|
405 |
mul dword ptr [esp+14h]
|
slouken@1895
|
406 |
xchg eax,ecx
|
slouken@1895
|
407 |
mul dword ptr [esp+10h]
|
slouken@1895
|
408 |
add edx,ecx
|
slouken@1895
|
409 |
jb L4
|
slouken@1895
|
410 |
cmp edx,dword ptr [esp+0Ch]
|
slouken@1895
|
411 |
ja L4
|
slouken@1895
|
412 |
jb L5
|
slouken@1895
|
413 |
cmp eax,dword ptr [esp+8]
|
slouken@1895
|
414 |
jbe L5
|
slouken@1346
|
415 |
L4:
|
slouken@1895
|
416 |
sub eax,dword ptr [esp+10h]
|
slouken@1895
|
417 |
sbb edx,dword ptr [esp+14h]
|
slouken@1346
|
418 |
L5:
|
slouken@1895
|
419 |
sub eax,dword ptr [esp+8]
|
slouken@1895
|
420 |
sbb edx,dword ptr [esp+0Ch]
|
slouken@1895
|
421 |
neg edx
|
slouken@1895
|
422 |
neg eax
|
slouken@1895
|
423 |
sbb edx,0
|
slouken@1346
|
424 |
L2:
|
slouken@1895
|
425 |
pop ebx
|
slouken@1895
|
426 |
ret 10h
|
slouken@1895
|
427 |
}
|
slouken@1895
|
428 |
/* *INDENT-ON* */
|
slouken@1330
|
429 |
}
|
slouken@2735
|
430 |
|
slouken@1895
|
431 |
void
|
slouken@1895
|
432 |
__declspec(naked)
|
slouken@1895
|
433 |
_alldvrm()
|
slouken@1330
|
434 |
{
|
slouken@1895
|
435 |
/* *INDENT-OFF* */
|
slouken@1895
|
436 |
__asm {
|
slouken@1895
|
437 |
push edi
|
slouken@1895
|
438 |
push esi
|
slouken@1895
|
439 |
push ebp
|
slouken@1895
|
440 |
xor edi,edi
|
slouken@1895
|
441 |
xor ebp,ebp
|
slouken@1895
|
442 |
mov eax,dword ptr [esp+14h]
|
slouken@1895
|
443 |
or eax,eax
|
slouken@1895
|
444 |
jge L1
|
slouken@1895
|
445 |
inc edi
|
slouken@1895
|
446 |
inc ebp
|
slouken@1895
|
447 |
mov edx,dword ptr [esp+10h]
|
slouken@1895
|
448 |
neg eax
|
slouken@1895
|
449 |
neg edx
|
slouken@1895
|
450 |
sbb eax,0
|
slouken@1895
|
451 |
mov dword ptr [esp+14h],eax
|
slouken@1895
|
452 |
mov dword ptr [esp+10h],edx
|
slouken@1346
|
453 |
L1:
|
slouken@1895
|
454 |
mov eax,dword ptr [esp+1Ch]
|
slouken@1895
|
455 |
or eax,eax
|
slouken@1895
|
456 |
jge L2
|
slouken@1895
|
457 |
inc edi
|
slouken@1895
|
458 |
mov edx,dword ptr [esp+18h]
|
slouken@1895
|
459 |
neg eax
|
slouken@1895
|
460 |
neg edx
|
slouken@1895
|
461 |
sbb eax,0
|
slouken@1895
|
462 |
mov dword ptr [esp+1Ch],eax
|
slouken@1895
|
463 |
mov dword ptr [esp+18h],edx
|
slouken@1346
|
464 |
L2:
|
slouken@1895
|
465 |
or eax,eax
|
slouken@1895
|
466 |
jne L3
|
slouken@1895
|
467 |
mov ecx,dword ptr [esp+18h]
|
slouken@1895
|
468 |
mov eax,dword ptr [esp+14h]
|
slouken@1895
|
469 |
xor edx,edx
|
slouken@1895
|
470 |
div ecx
|
slouken@1895
|
471 |
mov ebx,eax
|
slouken@1895
|
472 |
mov eax,dword ptr [esp+10h]
|
slouken@1895
|
473 |
div ecx
|
slouken@1895
|
474 |
mov esi,eax
|
slouken@1895
|
475 |
mov eax,ebx
|
slouken@1895
|
476 |
mul dword ptr [esp+18h]
|
slouken@1895
|
477 |
mov ecx,eax
|
slouken@1895
|
478 |
mov eax,esi
|
slouken@1895
|
479 |
mul dword ptr [esp+18h]
|
slouken@1895
|
480 |
add edx,ecx
|
slouken@1895
|
481 |
jmp L4
|
slouken@1346
|
482 |
L3:
|
slouken@1895
|
483 |
mov ebx,eax
|
slouken@1895
|
484 |
mov ecx,dword ptr [esp+18h]
|
slouken@1895
|
485 |
mov edx,dword ptr [esp+14h]
|
slouken@1895
|
486 |
mov eax,dword ptr [esp+10h]
|
slouken@1346
|
487 |
L5:
|
slouken@1895
|
488 |
shr ebx,1
|
slouken@1895
|
489 |
rcr ecx,1
|
slouken@1895
|
490 |
shr edx,1
|
slouken@1895
|
491 |
rcr eax,1
|
slouken@1895
|
492 |
or ebx,ebx
|
slouken@1895
|
493 |
jne L5
|
slouken@1895
|
494 |
div ecx
|
slouken@1895
|
495 |
mov esi,eax
|
slouken@1895
|
496 |
mul dword ptr [esp+1Ch]
|
slouken@1895
|
497 |
mov ecx,eax
|
slouken@1895
|
498 |
mov eax,dword ptr [esp+18h]
|
slouken@1895
|
499 |
mul esi
|
slouken@1895
|
500 |
add edx,ecx
|
slouken@1895
|
501 |
jb L6
|
slouken@1895
|
502 |
cmp edx,dword ptr [esp+14h]
|
slouken@1895
|
503 |
ja L6
|
slouken@1895
|
504 |
jb L7
|
slouken@1895
|
505 |
cmp eax,dword ptr [esp+10h]
|
slouken@1895
|
506 |
jbe L7
|
slouken@1346
|
507 |
L6:
|
slouken@1895
|
508 |
dec esi
|
slouken@1895
|
509 |
sub eax,dword ptr [esp+18h]
|
slouken@1895
|
510 |
sbb edx,dword ptr [esp+1Ch]
|
slouken@1346
|
511 |
L7:
|
slouken@1895
|
512 |
xor ebx,ebx
|
slouken@1346
|
513 |
L4:
|
slouken@1895
|
514 |
sub eax,dword ptr [esp+10h]
|
slouken@1895
|
515 |
sbb edx,dword ptr [esp+14h]
|
slouken@1895
|
516 |
dec ebp
|
slouken@1895
|
517 |
jns L9
|
slouken@1895
|
518 |
neg edx
|
slouken@1895
|
519 |
neg eax
|
slouken@1895
|
520 |
sbb edx,0
|
slouken@1346
|
521 |
L9:
|
slouken@1895
|
522 |
mov ecx,edx
|
slouken@1895
|
523 |
mov edx,ebx
|
slouken@1895
|
524 |
mov ebx,ecx
|
slouken@1895
|
525 |
mov ecx,eax
|
slouken@1895
|
526 |
mov eax,esi
|
slouken@1895
|
527 |
dec edi
|
slouken@1895
|
528 |
jne L8
|
slouken@1895
|
529 |
neg edx
|
slouken@1895
|
530 |
neg eax
|
slouken@1895
|
531 |
sbb edx,0
|
slouken@1346
|
532 |
L8:
|
slouken@1895
|
533 |
pop ebp
|
slouken@1895
|
534 |
pop esi
|
slouken@1895
|
535 |
pop edi
|
slouken@1895
|
536 |
ret 10h
|
slouken@1895
|
537 |
}
|
slouken@1895
|
538 |
/* *INDENT-ON* */
|
slouken@1330
|
539 |
}
|
slouken@2735
|
540 |
|
slouken@1895
|
541 |
void
|
slouken@1895
|
542 |
__declspec(naked)
|
slouken@1895
|
543 |
_aulldvrm()
|
slouken@1330
|
544 |
{
|
slouken@1895
|
545 |
/* *INDENT-OFF* */
|
slouken@1895
|
546 |
__asm {
|
slouken@1895
|
547 |
push esi
|
slouken@1895
|
548 |
mov eax,dword ptr [esp+14h]
|
slouken@1895
|
549 |
or eax,eax
|
slouken@1895
|
550 |
jne L1
|
slouken@1895
|
551 |
mov ecx,dword ptr [esp+10h]
|
slouken@1895
|
552 |
mov eax,dword ptr [esp+0Ch]
|
slouken@1895
|
553 |
xor edx,edx
|
slouken@1895
|
554 |
div ecx
|
slouken@1895
|
555 |
mov ebx,eax
|
slouken@1895
|
556 |
mov eax,dword ptr [esp+8]
|
slouken@1895
|
557 |
div ecx
|
slouken@1895
|
558 |
mov esi,eax
|
slouken@1895
|
559 |
mov eax,ebx
|
slouken@1895
|
560 |
mul dword ptr [esp+10h]
|
slouken@1895
|
561 |
mov ecx,eax
|
slouken@1895
|
562 |
mov eax,esi
|
slouken@1895
|
563 |
mul dword ptr [esp+10h]
|
slouken@1895
|
564 |
add edx,ecx
|
slouken@1895
|
565 |
jmp L2
|
slouken@1346
|
566 |
L1:
|
slouken@1895
|
567 |
mov ecx,eax
|
slouken@1895
|
568 |
mov ebx,dword ptr [esp+10h]
|
slouken@1895
|
569 |
mov edx,dword ptr [esp+0Ch]
|
slouken@1895
|
570 |
mov eax,dword ptr [esp+8]
|
slouken@1346
|
571 |
L3:
|
slouken@1895
|
572 |
shr ecx,1
|
slouken@1895
|
573 |
rcr ebx,1
|
slouken@1895
|
574 |
shr edx,1
|
slouken@1895
|
575 |
rcr eax,1
|
slouken@1895
|
576 |
or ecx,ecx
|
slouken@1895
|
577 |
jne L3
|
slouken@1895
|
578 |
div ebx
|
slouken@1895
|
579 |
mov esi,eax
|
slouken@1895
|
580 |
mul dword ptr [esp+14h]
|
slouken@1895
|
581 |
mov ecx,eax
|
slouken@1895
|
582 |
mov eax,dword ptr [esp+10h]
|
slouken@1895
|
583 |
mul esi
|
slouken@1895
|
584 |
add edx,ecx
|
slouken@1895
|
585 |
jb L4
|
slouken@1895
|
586 |
cmp edx,dword ptr [esp+0Ch]
|
slouken@1895
|
587 |
ja L4
|
slouken@1895
|
588 |
jb L5
|
slouken@1895
|
589 |
cmp eax,dword ptr [esp+8]
|
slouken@1895
|
590 |
jbe L5
|
slouken@1346
|
591 |
L4:
|
slouken@1895
|
592 |
dec esi
|
slouken@1895
|
593 |
sub eax,dword ptr [esp+10h]
|
slouken@1895
|
594 |
sbb edx,dword ptr [esp+14h]
|
slouken@1346
|
595 |
L5:
|
slouken@1895
|
596 |
xor ebx,ebx
|
slouken@1346
|
597 |
L2:
|
slouken@1895
|
598 |
sub eax,dword ptr [esp+8]
|
slouken@1895
|
599 |
sbb edx,dword ptr [esp+0Ch]
|
slouken@1895
|
600 |
neg edx
|
slouken@1895
|
601 |
neg eax
|
slouken@1895
|
602 |
sbb edx,0
|
slouken@1895
|
603 |
mov ecx,edx
|
slouken@1895
|
604 |
mov edx,ebx
|
slouken@1895
|
605 |
mov ebx,ecx
|
slouken@1895
|
606 |
mov ecx,eax
|
slouken@1895
|
607 |
mov eax,esi
|
slouken@1895
|
608 |
pop esi
|
slouken@1895
|
609 |
ret 10h
|
slouken@1895
|
610 |
}
|
slouken@1895
|
611 |
/* *INDENT-ON* */
|
slouken@1330
|
612 |
}
|
slouken@2735
|
613 |
|
slouken@1895
|
614 |
void
|
slouken@1895
|
615 |
__declspec(naked)
|
slouken@1895
|
616 |
_allshl()
|
slouken@1330
|
617 |
{
|
slouken@1895
|
618 |
/* *INDENT-OFF* */
|
slouken@1895
|
619 |
__asm {
|
slouken@1895
|
620 |
cmp cl,40h
|
slouken@1895
|
621 |
jae RETZERO
|
slouken@1895
|
622 |
cmp cl,20h
|
slouken@1895
|
623 |
jae MORE32
|
slouken@1895
|
624 |
shld edx,eax,cl
|
slouken@1895
|
625 |
shl eax,cl
|
slouken@1895
|
626 |
ret
|
slouken@1346
|
627 |
MORE32:
|
slouken@1895
|
628 |
mov edx,eax
|
slouken@1895
|
629 |
xor eax,eax
|
slouken@1895
|
630 |
and cl,1Fh
|
slouken@1895
|
631 |
shl edx,cl
|
slouken@1895
|
632 |
ret
|
slouken@1346
|
633 |
RETZERO:
|
slouken@1895
|
634 |
xor eax,eax
|
slouken@1895
|
635 |
xor edx,edx
|
slouken@1895
|
636 |
ret
|
slouken@1895
|
637 |
}
|
slouken@1895
|
638 |
/* *INDENT-ON* */
|
slouken@1346
|
639 |
}
|
slouken@2735
|
640 |
|
slouken@1895
|
641 |
void
|
slouken@1895
|
642 |
__declspec(naked)
|
slouken@1895
|
643 |
_aullshr()
|
slouken@1346
|
644 |
{
|
slouken@1895
|
645 |
/* *INDENT-OFF* */
|
slouken@1895
|
646 |
__asm {
|
slouken@1895
|
647 |
cmp cl,40h
|
slouken@1895
|
648 |
jae RETZERO
|
slouken@1895
|
649 |
cmp cl,20h
|
slouken@1895
|
650 |
jae MORE32
|
slouken@1895
|
651 |
shrd eax,edx,cl
|
slouken@1895
|
652 |
shr edx,cl
|
slouken@1895
|
653 |
ret
|
slouken@1346
|
654 |
MORE32:
|
slouken@1895
|
655 |
mov eax,edx
|
slouken@1895
|
656 |
xor edx,edx
|
slouken@1895
|
657 |
and cl,1Fh
|
slouken@1895
|
658 |
shr eax,cl
|
slouken@1895
|
659 |
ret
|
slouken@1346
|
660 |
RETZERO:
|
slouken@1895
|
661 |
xor eax,eax
|
slouken@1895
|
662 |
xor edx,edx
|
slouken@1895
|
663 |
ret
|
slouken@1895
|
664 |
}
|
slouken@1895
|
665 |
/* *INDENT-ON* */
|
slouken@1330
|
666 |
}
|
slouken@1330
|
667 |
|
slouken@1330
|
668 |
#endif /* MSC_VER */
|
slouken@1330
|
669 |
|
slouken@1331
|
670 |
#endif /* !HAVE_LIBC */
|
slouken@1895
|
671 |
|
slouken@1895
|
672 |
/* vi: set ts=4 sw=4 expandtab: */
|