Interesting! Was discussing the availability of a SuperRom image for NEC just this past weekend on Discord with @Fezzler and I was wondering how difficult it would be to convert.
Your description of the process is somewhat 'greek' to me so I'm guessing that I'd need to level up a bit to be able to contribute any useful assistance - though I'd be happy to help, if I can :) --Brad On Mon, Jul 12, 2021 at 6:30 AM Stephen Adolph <twospru...@gmail.com> wrote: > Noting that SuperROM has never been found (or never released?) for NEC, it > seems to me given what I know about making applications run on both > platforms, that it should be very straightforward to translate the M100 > SuperROM into an NEC variant. After all, the NEC and M100 are so similar. > > Does anyone have any thoughts on this? > > Process could be: > - Disassemble > - find the trampoline, and adjust for NEC memory map > - look for "trampoline" calls to the main ROM, and convert to NEC addresses > - look for upper RAM addresses, and convert to NEC addresses > ---> this could be a bit tricky I admit, because it may not always be > apparent that a register pair value is being used as an upper RAM pointer > - adjust the hardware interrupt if needed > > > cheers > Steve > > > > -- -- Brad Grier
