home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
Cream of the Crop 1
/
Cream of the Crop 1.iso
/
PROGRAM
/
DJLSR106.ARJ
/
_BCOPY.S
< prev
next >
Wrap
Text File
|
1992-03-02
|
946b
|
45 lines
/* This is file _BCOPY.S */
/*
** Copyright (C) 1991 DJ Delorie, 24 Kirsten Ave, Rochester NH 03867-2954
**
** This file is distributed under the terms listed in the document
** "copying.dj", available from DJ Delorie at the address above.
** A copy of "copying.dj" should accompany this file; if not, a copy
** should be available from where this file was obtained. This file
** may not be distributed without a verbatim copy of "copying.dj".
**
** This file is distributed WITHOUT ANY WARRANTY; without even the implied
** warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*/
.globl __bcopy
__bcopy:
pushl %ebp
movl %esp,%ebp
pushl %esi
pushl %edi
movl 8(%ebp),%esi
movl 12(%ebp),%edi
movl 16(%ebp),%ecx
jecxz L2
cld
cmp %esi,%edi
jb L1
L3:
std
addl %ecx,%esi
addl %ecx,%edi
decl %esi
decl %edi
L1:
lodsb
stosb
loop L1
L2:
cld
popl %edi
popl %esi
leave
ret