/* Copyright (C) 1994-1995 Apogee Software, Ltd. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #ifndef _watcom_h_public #define _watcom_h_public fixed FixedMul(fixed a, fixed b); fixed FixedDiv2(fixed a, fixed b); fixed FixedScale(fixed orig, fixed factor, fixed divisor); fixed FixedMulShift(fixed a, fixed b, fixed shift); #ifdef __WATCOMC__ #pragma aux FixedMul = \ "imul ebx", \ "add eax, 8000h" \ "adc edx,0h" \ "shrd eax,edx,16" \ parm [eax] [ebx] \ value [eax] \ modify exact [eax edx] #pragma aux FixedMulShift = \ "imul ebx", \ "shrd eax,edx,cl" \ parm [eax] [ebx] [ecx]\ value [eax] \ modify exact [eax edx] #pragma aux FixedDiv2 = \ "cdq", \ "shld edx,eax,16", \ "sal eax,16", \ "idiv ebx" \ parm [eax] [ebx] \ value [eax] \ modify exact [eax edx] #pragma aux FixedScale = \ "imul ebx", \ "idiv ecx" \ parm [eax] [ebx] [ecx]\ value [eax] \ modify exact [eax edx] #endif #endif