simple Universal MegaROM Mapper for Konami/ASC8/ASC16 (Unimapper)

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By gdx

Enlighted (5485)

gdx's picture

16-05-2022, 13:26

I think hardware released by Konami are limited to 512kB for SCC cartridges (we have to add chips just to manage the writing) and until 128kB for the sound Cartridge.

By mcolom

Master (241)

mcolom's picture

16-05-2022, 20:58

Very nice solution with the GALs!

By gdx

Enlighted (5485)

gdx's picture

17-05-2022, 02:57

3 GALs are less efficient and probably more expensive than 1 CPLD.

By Pyhesty

Expert (80)

Pyhesty's picture

26-05-2022, 09:55

"3 GALs are less efficient and probably more expensive than 1 CPLD."
ver 3
2 GALs for 128-256kB ROM Konami/Konami SCC/ASC8 and 128-512 ASC16
3 GALs for 512kB Konami/Konami SCC/ASC8
ver 2
2 GALs for 128-512kB ROM Konami/ASC8(fix page 0)/ASC16
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GALs - for fun and hard, cpld - universal

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