bhamadicharef wrote:Thank you for your suggestion and help. This will only work for 2 layer PCBs right.
Yes, this is limit for physical board. For reverse engineering from Gerbers, the layer count is irrelevant.
Yes, indeed readable service manual w/schematic. Trouble is I see 3 chips called as "custom" and since I am not going to spend time on trying to reverse these, Gorf is off the table. But... Donkey Kong Jr schematic looks good w/o custom chips. I will dive and take a closer look.
If you produce the Terra Cresta schematics, I'll write the FPGA core and share the Patreon contributions for that core with you, that way you can shift a bit the cost of the process.
I already shared contributions for Popeye core with JAMMArcade
. Furrtek also shared contributions to the NeoGeo work with me for my YM2610 core (as I have not charged for sound chips on my Patreon page, only game cores).
Sound like a plan, thank you.
I just picked up one of the working TC pcb sets, awaiting delivery. I will get on this reversal work as soon as I receive it.
There is also another pcb set on eBay I am hoping to get. Both are different, the one I already purchased is "bootleg" version while the one I am hoping also tot get (backup) is told as genuine one form Nichibutsu. The last one uses 4 EPROM chips (4 sockets are empty) while the bootleg shows all 8 sockets populated. Either way, the "game is on". Will update on the progress soon.