Re: [stella] PIA/(RIOT) "undocumented' feature

Subject: Re: [stella] PIA/(RIOT) "undocumented' feature
From: "Peter Storey" <p.storey@xxxxxxxxx>
Date: Sat, 6 May 2000 08:32:51 +0100
-----Original Message-----
From: Mark De Smet <de-smet@xxxxxxxxxxxxxxx>
To: stella@xxxxxxxxxxx <stella@xxxxxxxxxxx>
Date: Saturday, May 06, 2000 5:20 AM
Subject: [stella] PIA/(RIOT) "undocumented' feature


>
>In doing some reasearch into the VCS memory map, I've discovered something
>interesting about the PIA.  I was going through the datasheet for the
>chip(you can find it at www.6502.org), and noticed that it has interupt
>generation capabilities.

Isn't the CPU in the 2600 a M6507? A Cut-down version of the 6502 with no
interrupts?

Incidentally, a new bug fix version of PCAE (v2.3a) is out.

Cheers,


-Pete.








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