Subject: Re: [stella] TIA internals From: Mark De Smet <de-smet@xxxxxxxxxxxxxxx> Date: Wed, 9 Jan 2002 22:37:49 -0600 (CST) |
> I finally printed myself some original size (2'x3') TIA schematics at Kinko's > last week. I've since spent a few days looking over them. I'm starting to > understand a lot of what's going on in there now, and now I'm wondering if it's > worth putting together a "Guide to the TIA schematics" writeup. Sort of a It's a reasonable idea. I wonder however how useful it would be to people. It would only really be useful to those technically inclined to digital logic. If you decide to do this, I am interested it taking part. I've figured out the overview of just about the entire thing; and a fair chunk of the gritty details. My favorite parts are the playfield registers, and the divide by 3 counter. > description of how the various uglier bits work...like the polynomial counter > compares and the HMOVE stuff. Like where those funny lines on the left > edge come from. :) Kinda fun, ain't it? > I've also discovered "TkGate", a digital logic simulator that runs on > Linux. I've been successful at putting some of the pieces in there to > see how they work. Cool. Does it support the persistant effects of the MOS transistors? Or did you mimic that with some latches? > Finally, I really think recreating a new TIA in a programmable logic > chip really would make a lovely project for an EE student. Quite so. Care to take it on? Mark ---------------------------------------------------------------------------------------------- Archives (includes files) at http://www.biglist.com/lists/stella/archives/ Unsub & more at http://www.biglist.com/lists/stella/
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