|       Writes Human68k DOS error number to  dos_errno.
|       Called on errors of DOS calls.
|
|       written by ITOH Yasufumi
|       public domain
|
|       $NetBSD: dos_cerror.S,v 1.2 2011/02/21 02:31:59 itohy Exp $

#include "dos_asm.h"
#include "dos_errno.h"

ASENTRY_NOPROFILE(CERROR)
        movel   %d0,%sp@-
        negl    %d0
        cmpil   #_DOS_EEXIST,%d0
        bnes    Lno_eexisists
        moveq   #DOS_EEXIST,%d0
Lno_eexisists:
        movel   %d0,_C_LABEL(dos_errno)
        movel   %sp@+,%d0
        rts