Re: Podobna zagadka

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Article #2203

#2203

From: Andrzej Grażyński
Date: Mon, 12 Apr 2010 14:14

22 lines
1177 bytes

Andrzej Grażyński pisze:
> Dane jest pole o adresie początku w ESI i długości w bajtach w ECX. 
> Należy odwrócić kolejność BITÓW.

SHL ECX,3
JZ  @@Done
MOV EBX,ECX
XOR EDX,EDX

@@Loop:
   DEC EBX
   BT [ESI],EBX
   SETC AL
   BT [ESI], EDX
   SBB AL,0
   JZ  @@Ancora
   BTC [ESI],EBX
   BTC [ESI],EDX
@@Ancora:
   INC  EDX
   LOOP @Loop
@@Done:

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From: Andrzej Grażyński <grazynsk@petex.com.pl>
Newsgroups: pl.comp.lang.asm
Subject: Re: Podobna zagadka
Date: Mon, 12 Apr 2010 16:14:15 +0200
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