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Joined: Apr 2012
Posts: 399
Senior Member
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Senior Member
Joined: Apr 2012
Posts: 399 |
Nice to see the Mattel Sports games being added! Seems you ended up adding COPS I emulation in the process eh? Great stuff!
Pretty awesome to get Black Knight Pinball preserved too, that's a rare one. I can't check right now, but is Entex Raise the Devil already preserved btw?
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Joined: Apr 2006
Posts: 694
Senior Member
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Senior Member
Joined: Apr 2006
Posts: 694 |
Basket Ball I played in the past. I remember those red lines.
Windows 10 Home 64-bit / AMD Radeon RX 5700 XT / AMD Ryzen 7 3700X 8-Core 3.59 GHz / RAM 16 GB
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Joined: Mar 2015
Posts: 203
Senior Member
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Senior Member
Joined: Mar 2015
Posts: 203 |
Pretty awesome to get Black Knight Pinball preserved too, that's a rare one. I can't check right now, but is Entex Raise the Devil already preserved btw? Yeah, I was glad there was a way to preserve it without destroying the game  Raise the Devil has been in there for a while already...
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Joined: Mar 2002
Posts: 1,202 Likes: 1
Very Senior Member
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Very Senior Member
Joined: Mar 2002
Posts: 1,202 Likes: 1 |
MM5799 is not a commonly used MCU on handheld games, with so little to test it with I'm glad it is emulated pretty much bug-free. It's also used on the Sinclair Cambridge Programmable: https://pbs.twimg.com/media/ERJYPZCWsAERJuI.jpg
Last edited by hap; 02/17/21 05:56 PM.
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Joined: Mar 2015
Posts: 203
Senior Member
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Senior Member
Joined: Mar 2015
Posts: 203 |
Hmm, looking at this patent: https://patents.google.com/patent/US4582323AThe Mattel Look Alive Football seems to be a COP421L. Can those be dumped non-destructively? I found a couple of these in storage so I can probably share one if needed... Then if someone can just follow the flowchart and program this one: https://patents.google.com/patent/US4395760AWe could have a game that was never released...
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Joined: Mar 2002
Posts: 1,202 Likes: 1
Very Senior Member
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Very Senior Member
Joined: Mar 2002
Posts: 1,202 Likes: 1 |
A COP421 chip, yeah.
But knowing Mattel's early handhelds, they may have plonked the MCU die straight onto the PCB, then it can be harder to dump non-destructively.
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Joined: Mar 2015
Posts: 203
Senior Member
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Senior Member
Joined: Mar 2015
Posts: 203 |
Yeah, I was trying to find a picture of the circuit board, but I don't have one handy. I'll get the game this weekend and take a look.
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Joined: Apr 2012
Posts: 399
Senior Member
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Senior Member
Joined: Apr 2012
Posts: 399 |
Rik, any update on those games you were going to ship to kevtris? I'm looking forward to finally see the whole Select-A-Game library preserved.
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Joined: Mar 2015
Posts: 203
Senior Member
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Senior Member
Joined: Mar 2015
Posts: 203 |
Ahh, no, forgot all about them... I'll get them boxed up this week, hopefully to ship either over the weekend or early next week.
Still have only found Pac-Man though. Found the Basketball manual, but still haven't found the cart...
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Joined: Mar 2015
Posts: 203
Senior Member
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Senior Member
Joined: Mar 2015
Posts: 203 |
A COP421 chip, yeah.
But knowing Mattel's early handhelds, they may have plonked the MCU die straight onto the PCB, then it can be harder to dump non-destructively. Okay, found pictures of it... Looks like the die is on the PCB directly, but covered by a plastic cap that looks like it can be easily removed... So maybe...?
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