RE: LZ: Programming Question, New Email

To: "'list-zshell@lists.ticalc.org'" <list-zshell@lists.ticalc.org>
Subject: RE: LZ: Programming Question, New Email
From: Sam Davies <sdavies@unix.trilogy.net>
Date: Tue, 8 Jul 1997 21:01:14 -0400
Reply-To: list-zshell@lists.ticalc.org

On Tuesday, July 08, 1997 8:29 PM, Michael[SMTP:mikep@anet-dfw.com] wrote:
> i don't think your way is correct.  i think it would be:
> 
> sub b
> neg
> inc a
> 
> i think that is right.  you have to do the 2's complement of the
> number, not just flip all the bits.

Hmmm... says right here (in "Programming the Z80") that NEG does two's complement... I could be mistaken, though...
	Sam
-- 
Sam Davies <sdavies@mail.trilogy.net>

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