ajcrm125
Well-known member
I had to reverse engineer the 04xx custom for my Pole Position Clone so I figured I'd kinda document the process. I use the same strategy for pretty much all the customs thus far.
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dude..... you are the kind of guy who i could see coming up with reproduction pp boards someday. THeyre all broken it seems. good work man, alot of that is over my head man but im impressed.
Amen, Pole position is in dire need of a newer board!!!
Maybe a Multi PP??
Just out of curiosity, couldn't you dump all the binary data into an excel spreadsheet and use a karnaugh map to develop the equations for these chips or are they too complicated?
My guess would be that they have internal state (registers or counters or whatever), which makes that technique not work.
Just out of curiosity, couldn't you dump all the binary data into an excel spreadsheet and use a karnaugh map to develop the equations for these chips or are they too complicated?
I assumed all those chips were cracked because of the MAME emulation and their decapping efforts.
I had to reverse engineer the 04xx custom for my Pole Position Clone so I figured I'd kinda document the process. I use the same strategy for pretty much all the customs thus far.
Since I don't understand any of that stuff:
1) is this the same 04xx used on Galaga?
and if so...
2) How do I get one?