I have started our new section for General Jamma and Pre-Jamma with a conversion for System C2. You can convert almost any C2 PCB into Thunderforce AC with this romset.
If you like it, support it and buy one of the 4 sets I'm selling:
System C2 Conversions
If you like it, support it and buy one of the 4 sets I'm selling:
System C2 Conversions