RE: A85: Re: Z80 Hardware

To: "'assembly-85@lists.ticalc.org'" <assembly-85@lists.ticalc.org>
Subject: RE: A85: Re: Z80 Hardware
From: ess.andreas@computerhaus.at (Ess Andreas)
Date: Tue, 16 Sep 1997 06:54:33 +0200
Reply-To: assembly-85@lists.ticalc.org

Perhaps you should either ask Mel Tsai or Boris Lutz (he found out how to turbo a calc)
	Andreas

----------
From: 	Keith Burzinski[SMTP:tsk3000@prodigy.net]
Sent: 	Tuesday, September 16, 1997 3:05 AM
To: 	List-Assembly-85
Subject: 	Re: A85: Re: Z80 Hardware

> > I'm presently designing a Z80 micro-computer system.  But there are a
> > few things I don't really understand yet.  ;)  Mainly the ports.  Like,
> > if I do 'out (7),a', where does that go, and how does it get there??? 
> > Is it somehow attatched to the address bus?  And then it reads the byte
> > on the data bus?  How???  Help me!  :)
> 
> It'll send whatever byte is in register A.

I know this!  I need to know _HOW_ the byte in A is written to the

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