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. -- Archives (includes files) at http://www.biglist.com/lists/stella/archives/ Unsub & more at http://www.biglist.com/lists/stella/
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