Re: [stella] RAM usage

Subject: Re: [stella] RAM usage
From: Chris Wilkson <ecwilkso@xxxxxxx>
Date: Wed, 21 Jun 2000 00:29:43 -0400 (EDT)
On Tue, 20 Jun 2000, Glenn Saunders wrote:

> At 09:45 PM 6/20/2000 -0400, you wrote:
> >No.  The 128 bytes of RAM are in addition to the register space.
> I thought that would be a little constraining, given that the designers 
> were contemplating 64 bytes of RAM at one time.
> Where is this memory stored then, inside the TIA?
> Also, isn't the 128 bytes considered the 6507's page zero as well?

The 128 bytes of RAM are inside the RIOT..."RAM,I/O,TIMER"
Yes the RIOT RAM is mapped into the 6507's address space at $80-$FF.
The TIA registers are mapped into the other half of zero page at $0-$7F.


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