Hello Nick,
> In both cases the video data could be streamed using a parallel file
> system or REU (for short animations).
Not necessarily for so short animations. I really should not mention a
work-in-progress project, but I'm toying with the idea of integrating lots
of Flash ROM and SDRAM on a single cartridge. The control logic could
probably be implemented in a single 100-pin Lattice 2064VE.
The idea is to have something similar to the VIC-20 32kB+2MB RAM+ROM
cartridge I'm working on. It would integrate a ROM-based menu of
pucrunched programs (probably including a utility similar to the Action
Replay) and a 16-megabyte REU. I've verified that there exist 8 bits wide
16-megabyte SDRAM chips. 16 megabytes is a good amount, since the REU
bank register ($df06) could be made 8 bits wide, and 2^8*64k is 16
megabytes.
I fear that getting the VIC-20 cartridge prototype finished will take
another couple of months, as it's difficult to coordinate several people's
spare time. Serious work on the C64 cartridge would begin only after
that, and would probably take at least half a year.
Marko
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