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scanc.S revision 1.5 
      1  1.5      cgd /*	$NetBSD: scanc.S,v 1.5 1994/10/26 06:39:13 cgd Exp $	*/
      2  1.5      cgd 
      3  1.1  mycroft /*
      4  1.1  mycroft  * Copyright (c) 1994 Charles Hannum.  All rights reserved.
      5  1.1  mycroft  *
      6  1.1  mycroft  * Redistribution and use in source and binary forms, with or without
      7  1.1  mycroft  * modification, are permitted provided that the following conditions
      8  1.1  mycroft  * are met:
      9  1.1  mycroft  * 1. Redistributions of source code must retain the above copyright
     10  1.1  mycroft  *    notice, this list of conditions and the following disclaimer.
     11  1.1  mycroft  * 2. Redistributions in binary form must reproduce the above copyright
     12  1.1  mycroft  *    notice, this list of conditions and the following disclaimer in the
     13  1.1  mycroft  *    documentation and/or other materials provided with the distribution.
     14  1.1  mycroft  * 3. All advertising materials mentioning features or use of this software
     15  1.1  mycroft  *    must display the following acknowledgement:
     16  1.1  mycroft  *	This product includes software developed by Charles Hannum.
     17  1.1  mycroft  * 4. The name of the author may not be used to endorse or promote products
     18  1.1  mycroft  *    derived from this software without specific prior written permission.
     19  1.1  mycroft  *
     20  1.1  mycroft  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     21  1.1  mycroft  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     22  1.1  mycroft  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     23  1.1  mycroft  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     24  1.1  mycroft  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     25  1.1  mycroft  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     26  1.1  mycroft  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     27  1.1  mycroft  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     28  1.1  mycroft  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     29  1.1  mycroft  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     30  1.1  mycroft  */
     31  1.1  mycroft 
     32  1.1  mycroft #include "DEFS.h"
     33  1.1  mycroft 
     34  1.1  mycroft ENTRY(scanc)
     35  1.1  mycroft 	movl	4(%esp),%ecx
     36  1.1  mycroft 	testl	%ecx,%ecx
     37  1.1  mycroft 	jz	3f
     38  1.1  mycroft 	pushl	%esi
     39  1.2  mycroft 	pushl	%edi
     40  1.1  mycroft 	movl	16(%esp),%esi
     41  1.2  mycroft 	movl	20(%esp),%edi
     42  1.1  mycroft 	movb	24(%esp),%dl
     43  1.2  mycroft 	xorl	%eax,%eax
     44  1.1  mycroft 	cld
     45  1.1  mycroft 1:
     46  1.1  mycroft 	lodsb
     47  1.2  mycroft 	testb	%dl,(%eax,%edi)
     48  1.4  mycroft 	jnz	2f
     49  1.4  mycroft 	decl	%ecx
     50  1.4  mycroft 	jnz	1b
     51  1.1  mycroft 2:
     52  1.2  mycroft 	popl	%edi
     53  1.1  mycroft 	popl	%esi
     54  1.1  mycroft 3:
     55  1.1  mycroft 	movl	%ecx,%eax
     56  1.1  mycroft 	ret
     57