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Showing results for tags 'Intellivoice'.
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HI! New to the forums, so apologies in advance for the noob question. I recently picked up an Intellivoice module (boxed and cheap) and am struggling to get anything close to reasonable play out of it. My brown original console works, controllers are fine, etc. I can play game cartridges with no problems, etc. However, inserting the Intellivoice and then inserting a cartridge results in the black screen 9 times out of 10. After fiddling with it, re-inserting it, cleaning the cartridge slot, etc. I can get it to work for a session, then am back to square one the next day. I've noticed that there is not a "tight" fit between the console and the intellivoice module. I've also noticed quite a bit of "play" in the connection between the two. Is this normal? Do I just have a "loose" module? Is there an optimal connection point or angle between the two? Even just pulling out a cartridge and putting in another one is enough to break this connection and send me back to square one. Haven't tried taking the module apart yet for a really deep cleaning, but am willing to go that route for a reliable connection. Thanks in advance for any advice!
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One week ago I found that a forum member had cleaned up the die photos of the SP0256 (thanks JohnPCAE) and posted them on this thread. With all that work already done, it would only take a few days to get a simulation working! No, not from scratch, as over the course of the year I'd been working on a simulation of the AY-3-8500 PONG-clone chip based the visual6502 team's work. It was not too hard to use my earlier tools, code, and experience to turn the labeled die photos of the SP0256 into a javascript simulation. I managed to get a beta version working within a week! (That's RetroChallenge speed!) HERE is a copy I hosted on droppages. The source is on GitLab for anyone who knows JavaScript. This particular chip came from the Intellivoice expansion module, and contains 2 kilobytes of ROM for game related phrases (The ROM is the big rectangle on the middle right) If you zoom in on it, you can see the individual transistors (green) which encode "1"s in the ROM. The chip has a lot of transistors, 15681 to be exact (and that's not counting the pullup transistors.) These and the 4255 electrically isolated nodes are combined to form a list of 39432 polygons (glad I processed these automatically.) Its still a WIP, I fixed about two dozen errors in the highlighting and my code, but there are still some preventing the all of the circuitry from working properlly. For example, the instruction decoder is not disabled while a new instruction is being shifted in, resulting in spurious instructions activating. Once all bugs are ironed out, we'll have correct schematic files, potentially leading to better real time emulation. In the meantime, I'll keep posting updates on this forum and my blog
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From the album: Accessories
Serial Number 649277 -
From the album: Accessories
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I have just completed the final proof of the 4th set of peel & stick Intellivision cover photos. These die cut 1.9 x 2.5 inch stickers are designed to fit perfectly onto the top of standard game cartridges. This project was not without some mishaps, adjustments, & revisions. For those of you that are wanting completed sets of game labels I will be sending PMs to each of you as soon as I have them printed out. Still to do the really rare labels which will be even tougher. Thanks for all the support to everyone in this great group of people. -
Paring down my collection a bit as I've started to accumulate some rarish variants and I've always promised myself that I'd avoid that rabbit hole ... I'm open to offers as these are variants and very hard to determine a price. All three Mattel bilingual Intellivoice titles. These are good to VG condition and complete. Spines are very good. Covers are good with some minor creasing or marks. I would entertain offers for the set or individual games. * Bomb Squad SOLD * Space Spartans * B-17 Bomber A very rare bilingual Super Cobra complete. Box shows some wear on the cover but otherwise good condition. Finally, a Shockvision version of Beamrider with box. These were created in Brazil and are not easy to find. Box is in good condition with some writing on the sticker on the front and some minor creasing. SOLD
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