Re: ROMs replacement

From: Gerrit Heitsch <*gerrit_at_laosinh.s.bawue.de*> Date: Mon, 17 Sep 2012 20:08:15 +0200 Message-ID: <5057670F.2010202@laosinh.s.bawue.de> · gerrit_at_laosinh.s.bawue.de

On 09/17/2012 08:00 PM, Spiro Trikaliotis wrote:
> Hello,
>
> * On Mon, Sep 17, 2012 at 07:00:45PM +0200 Gerrit Heitsch wrote:
>
>> You will also need the '245 to give the 6502 the ability to tristate
>> the address lines. Not sure if you really need the '245 for the data
>> lines, I thought those are tristate in the 6502 already, but it
>> can't hurt.
>
> They are not really tristate in the 6502.

This here says otherwise:

  http://www.weihenstephan.org/~michaste/pagetable/6502/6502.jpg

Gerrit

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