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scanc.S revision 1.1 
      1 /*
      2  * Copyright (c) 1994 Charles Hannum.  All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions
      6  * are met:
      7  * 1. Redistributions of source code must retain the above copyright
      8  *    notice, this list of conditions and the following disclaimer.
      9  * 2. Redistributions in binary form must reproduce the above copyright
     10  *    notice, this list of conditions and the following disclaimer in the
     11  *    documentation and/or other materials provided with the distribution.
     12  * 3. All advertising materials mentioning features or use of this software
     13  *    must display the following acknowledgement:
     14  *	This product includes software developed by Charles Hannum.
     15  * 4. The name of the author may not be used to endorse or promote products
     16  *    derived from this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     21  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     23  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     24  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     25  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     27  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     28  *
     29  *	$Id: scanc.S,v 1.1 1994/02/24 00:41:04 mycroft Exp $
     30  */
     31 
     32 #include "DEFS.h"
     33 
     34 ENTRY(scanc)
     35 	movl	4(%esp),%ecx
     36 	testl	%ecx,%ecx
     37 	jz	3f
     38 	pushl	%ebx
     39 	pushl	%esi
     40 	movl	16(%esp),%esi
     41 	movl	20(%esp),%ebx
     42 	movb	24(%esp),%dl
     43 	cld
     44 1:
     45 	lodsb
     46 	xlatb
     47 	andb	%dl,%al
     48 	jnz	2f
     49 	loop	1b
     50 2:
     51 	popl	%esi
     52 	popl	%ebx
     53 3:
     54 	movl	%ecx,%eax
     55 	ret
     56