Re: LZ: Help with a routine

Subject: Re: LZ: Help with a routine
From: A.K.A. TheWiz <dankna@bergen.org>
Date: Fri, 20 Sep 1996 10:36:16 -0400 (EDT)
In-Reply-To: <199609200125.SAA28152@desiree.teleport.com>

On Thu, 19 Sep 1996, Ryan Myers wrote:


> I need to know how to use the BIT opcode... the specific routine requires me
> to test the MSB (first bit) of a byte and branch if it is 1.  Can someone
> please fill me in?


For RAM, there are two forms you can use:
	BIT 1,(HL)
        BIT 1,(IX + offset)  ; or you can use IY instead.


This will set the Z flag to 1 if the bit you're testing is a 0.


 HTH,
 Dan Knapp


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References:

LZ: Help with a routine

From: Ryan Myers <rmyers@teleport.com>