It won't ever be done on a real Microvision, though - probably.
Not because it's technically impossible, actually it's technically not that difficult, but because the Microvision main units are so fragile that it's a rather expensive experiment.
This is a Cheetah3D model.
(Note that I'm not quite sure how you do the insert round curve at the top yet ....)
How would you get new code into a TMS1100? There's the TMS1098 System Evaluator 2 that allows for external ROM, but it's not a piggyback solution like the 38P70; it's got 64 pins. Kevtris has built the TMS1100 in verilog; maybe an FPGA could be fit on a PCB with 40 pins like those NAMCO replacement chips.
ReplyDeleteI wouldn't both. An AVR8515 could do it no problem - may be a possible problem with voltage/current drive levels, haven't checked, but you could just poke the LCD driver. Rip the TMS1100 out of a dead micro vision cartridge and hotwire a modern chip in.
ReplyDeleteThe problem is that the LCD main unit of a Microvision is not very robust, one wouldn't like to mess with it.
Plus it shouldn't be hard to run the whole thing on a modern Microcontroller anyway.