Category : OS/2 Files
Archive   : EMXLIB8F.ZIP
Filename : SWAB.S

 
Output of file : SWAB.S contained in archive : EMXLIB8F.ZIP
/ swab.s (emx+gcc) -- Copyright (c) 1992-1993 by Eberhard Mattes

.globl _swab

/ void swab (const void *src, void *dst, size_t n)
/ {
/ char *s, *d;
/
/ if (n & 1) return;
/ while (n > 0)
/ {
/ d[0] = s[1];
/ d[1] = s[0];
/ d += 2; s += 2; n -= 2;
/ }
/ }

/ assumes ds=es!

.text

.align 2, 0x90

_swab:
pushl %esi
pushl %edi
movl 3*4(%esp), %esi / src
movl 4*4(%esp), %edi / dst
movl 5*4(%esp), %ecx / n
shrl $1, %ecx
jc 9f
.align 2, 0x90
1: lodsw
xchgb %al, %ah
stosw
loop 1b
9: popl %edi
popl %esi
ret


  3 Responses to “Category : OS/2 Files
Archive   : EMXLIB8F.ZIP
Filename : SWAB.S
”

  1. Daniel says:
    January 27, 2013 at 3:59 pm

    Very nice! Thank you for this wonderful archive. I wonder why I found it only now. Long live the BBS file archives!

  2. Joshie says:
    March 18, 2014 at 4:57 pm

    This is so awesome! 😀 I’d be cool if you could download an entire archive of this at once, though.

  3. DiskingRound says:
    January 14, 2015 at 10:57 pm

    But one thing that puzzles me is the “mtswslnkmcjklsdlsbdmMICROSOFT” string. There is an article about it here. It is definitely worth a read: http://www.os2museum.com/wp/mtswslnk/