Work in progress IGS PolyGame Master core for MiSTer FPGA.

Multiple different sources have been used as reference when developing this core.

MAME - Tons of information about the PGM system and especially its protection mechanisms. Also used as the source for the initial ICS2115 implementation.

igspgm.com - Motherboard images, cartridge images, archived documents. Super valuable archive of information that could easily have been lost to history.

PGMTech - Solid documentation of PGM memory maps and system architecture

GUS GF1 Decap - Coming from the same hardware lineage, the GF1 source was a useful reference for how things might be done inside the ICS2115

Game Bub - ARM7TDMI implementation