| 0,0 → 1,79 |
|---|
| ;***************************************************************************** |
| ;* |
| ;* 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: Signed 4-byte division for 386. |
| ;* |
| ;***************************************************************************** |
| |
| |
| ;======================================================================== |
| ;== Name: LDIV == |
| ;== Operation: Signed 4 byte divide == |
| ;== Inputs: EAX Dividend == |
| ;== EDX/ECX Divisor == |
| ;== SS:ESI pointer to result structure == |
| ;== Volatile: none == |
| ;======================================================================== |
| |
| include mdef.inc |
| include struct.inc |
| |
| ifdef _PROFILE |
| include p5prof.inc |
| endif |
| modstart ldiv386 |
| |
| defpe div |
| xdefp "C",div |
| defpe ldiv |
| xdefp "C",ldiv |
| ifdef _PROFILE |
| P5Prolog |
| endif |
| ifdef __STACK__ |
| mov EAX,4[ESP] ; get numerator |
| mov ECX,8[ESP] ; get divisor |
| ; we don't need to save/restore ECX |
| else |
| push ECX ; save ECX |
| mov ECX,EDX ; get divisor |
| endif |
| cdq ; sign extend dividend |
| idiv ECX ; do the divide |
| mov [ESI],EAX ; store quotient |
| mov 4[ESI],EDX ; store remainder |
| ifndef __STACK__ |
| pop ECX ; restore ECX |
| endif |
| ifdef _PROFILE |
| P5Epilog |
| endif |
| ret ; return |
| endproc ldiv |
| endproc div |
| |
| endmod |
| end |