Does anyone know how the flash in these things was hooked up? I thought the map went like this: 0x1f000000-0x1f01ffff = First 128KB of flash 0x1f020000-0x1f03ffff = Reserved for flags - only defined locations are: 0x1f020010 = D0 holds data available flag from comms link 0x1f020018 = D0 indicates state of switch on AR; 1 = Active 0x1f040000-0x1f05ffff = Second 128KB of flash on 256K carts 0x1f060000-0x1f07ffff = Comms Link data - only defined locations are: 0x1f060000 = Read data from PC 0x1f060008 = Write data to PC But this doesn't seem to be working - my AR clone works with the older 1.xx 128K roms, but fails to program with anything larger. Presumably I have some of the logic in the CPLD wrong, but it seems to match the table above. Anyone happen to remember anything about this (and where the ROM in the carts with something like 512KB was mapped)?
