Mapper Decap Project
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Re: Mapper Decap Project
I'm looking for a mmc1b mapper using only TTL does it exist?
Re: Mapper Decap Project
Heard it nowDo you know about KrzysioPCB made by krzysiobal? It is similar visual PCB tracing tool with direct connection to Eagle so you can turn it easily into a schematic.
But we use our own utility, Deroute. It solves slightly different problems (netlist reconstruction). https://github.com/emu-russia/Deroute
Well, it became possible to do a little bit about the subject and check out NEC UPD7756.
https://github.com/emu-russia/mappers/t ... 75X_Speech
I want to say at the beginning (in order not to destroy anyone's dreams), that I don't give any warranty, that the debug mode in 7756 will be found, but I will try to say for sure - is it there or not, based on those pics, that we have
I'm waiting for more pictures from Sean, because I lost his archive somewhere and he deleted it from hosting
Re: Mapper Decap Project
That is cool. I don't have this one to help test with unfortunately. But I like how you guys have been working on expansion audio stuff lately! That is very exciting.
Re: Mapper Decap Project
VRC6 (VRC VI).
The chip turned out to be ULA technology, 22 rows, 2 layers of metal.
https://drive.google.com/drive/u/0/fold ... -FW62yuZx1
The chip turned out to be ULA technology, 22 rows, 2 layers of metal.
https://drive.google.com/drive/u/0/fold ... -FW62yuZx1
Re: Mapper Decap Project
MMC1 letterless: https://drive.google.com/drive/u/0/fold ... 6VNdjwM-3F
Last edited by org on Sun Jun 25, 2023 9:40 pm, edited 1 time in total.