[A83] Re: Signed division by a power of two.

To: assembly-83@lists.ticalc.org
Subject: [A83] Re: Signed division by a power of two.
From: "Dan Weiss" <dwedit@hotmail.com>
Date: Wed, 13 Aug 2003 13:22:14 -0500
Reply-To: assembly-83@lists.ticalc.org

SRA preserves the most significant bit, not the carry bit :)  The carry bit 
becomes whatever got pushed off.

>
>Hence the mnemonic SRA, which stands fro Shift Right Arithmetical, it was 
>designed with math in mind.  If you want to shit right without preserving 
>the carry bit, you want SRL, or Shift Right Logical, which is usefull for 
>unsigned numbers and logical (hence the name) operations
>

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