videopac.is@live Posted May 3 Share Posted May 3 Any news about the story? Quote Link to comment Share on other sites More sharing options...
+Lathe26 Posted June 16 Share Posted June 16 @Doc4, would you be willing to have the ROM chips dumped? They might contain different voice data from the released product. SP-0256 - this is the main voice engine chip SPR000 - this chip adapts the SP-0256's serial voice expansion bus to normal EPROM chips Remaining large chips are the EPROM chips containing the voice data. Quote Link to comment Share on other sites More sharing options...
DanBoris Posted June 17 Share Posted June 17 22 hours ago, Lathe26 said: @Doc4, would you be willing to have the ROM chips dumped? They might contain different voice data from the released product. SP-0256 - this is the main voice engine chip SPR000 - this chip adapts the SP-0256's serial voice expansion bus to normal EPROM chips Remaining large chips are the EPROM chips containing the voice data. I have talked to him about this. I would be willing to do it, but I would be better if there was someone local. I really hate to have someone ship potentially one of a kind components. Quote Link to comment Share on other sites More sharing options...
Doc4 Posted June 17 Author Share Posted June 17 I believe this is the next step. I'm talking this over with Dan now. Quote Link to comment Share on other sites More sharing options...
videopac.is@live Posted June 20 Share Posted June 20 Hello, Any news about this Voice unit ? Quote Link to comment Share on other sites More sharing options...
Doc4 Posted June 20 Author Share Posted June 20 7 minutes ago, videopac.is@live said: Hello, Any news about this Voice unit ? We're currently discussing how to best dump these ROMS. Quote Link to comment Share on other sites More sharing options...
DanBoris Posted July 10 Share Posted July 10 On 6/16/2024 at 1:30 PM, Lathe26 said: @Doc4, would you be willing to have the ROM chips dumped? They might contain different voice data from the released product. SP-0256 - this is the main voice engine chip SPR000 - this chip adapts the SP-0256's serial voice expansion bus to normal EPROM chips Remaining large chips are the EPROM chips containing the voice data. I have dumped the EPROMS and they contain the exact same data as the released voice module. 1 Quote Link to comment Share on other sites More sharing options...
DanBoris Posted August 23 Share Posted August 23 Here is the website that Doc4 put together about this system.. https://odysseytalks.com/ I have also attached the schematics I drew for the dev board. Dev Module Schematics.pdf 1 Quote Link to comment Share on other sites More sharing options...
DanBoris Posted August 28 Share Posted August 28 Just published a blog post about the process of repairing this system... https://dansdigitalarchaeology.blogspot.com/2024/08/odyssey-2-voice-development-system.html 1 Quote Link to comment Share on other sites More sharing options...
The Mr. Video Posted August 28 Share Posted August 28 5 hours ago, DanBoris said: Just published a blog post about the process of repairing this system... https://dansdigitalarchaeology.blogspot.com/2024/08/odyssey-2-voice-development-system.html Very interesting read. I didn't know the idea of specialized development hardware was around in the 80s. I figured that they weren't a thing until the 90s when game systems became more complex to develop for. Quote Link to comment Share on other sites More sharing options...
DanBoris Posted August 29 Share Posted August 29 18 hours ago, The Mr. Video said: Very interesting read. I didn't know the idea of specialized development hardware was around in the 80s. I figured that they weren't a thing until the 90s when game systems became more complex to develop for. It was really necessary in this case. The serial ROMs the voice chip used were mask programmed, meaning the data was manufactured into the chip like the rest of the circuits. You had to be pretty sure you had the voice data right before you did this which is even more challenging when dealing with something as subjective as the way a voice sounds. Quote Link to comment Share on other sites More sharing options...
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