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

Subject: Re: [stella] PIA/(RIOT) "undocumented' feature
From: Mark De Smet <de-smet@xxxxxxxxxxxxxxx>
Date: Sun, 7 May 2000 19:45:56 -0500 (CDT)
> Isn't the CPU in the 2600 a M6507? A Cut-down version of the 6502 with no
> interrupts?

Yes.  However the PIA can be polled to find if either interrupt had
occured.  Like I said, this does no good to determine if the timer
overflowed, (as you can simply poll the count) however, you can use the
feature as edge detection.

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

Cool!

Mark


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