| 0,0 → 1,68 |
|---|
| ;***************************************************************************** |
| ;* |
| ;* 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! |
| ;* |
| ;***************************************************************************** |
| |
| |
| ; |
| ; char *__COPY( char *dst, char *src, unsigned len ); |
| ; |
| ; |
| include mdef.inc |
| |
| name __copy |
| _TEXT segment use32 para public 'CODE' |
| assume cs:_TEXT |
| |
| public __COPY |
| public __COPY_ |
| |
| __COPY proc near |
| __COPY_ proc near |
| push edi ; save regs |
| push esi ; ... |
| push ecx ; ... |
| mov edi,16+0[esp] ; get dst |
| mov esi,16+4[esp] ; get src |
| mov ecx,16+8[esp] ; get len |
| mov eax,edi ; return with dst ptr in eax |
| shr ecx,2 ; calc. # of dwords |
| rep movsd ; do the copy |
| mov ecx,16+8[esp] ; get len |
| and ecx,3 ; plus extra bytes |
| rep movsb ; do the copy |
| pop ecx ; restore regs |
| pop esi ; ... |
| pop edi ; ... |
| ret 12 ; return and remove parms |
| __COPY_ endp |
| __COPY endp |
| |
| _TEXT ends |
| end |