now THAT could prove to be an interesting project!!!
> -----Original Message----- > From: Andrew Gale [SMTP:[EMAIL PROTECTED] > Sent: Thursday, September 28, 2000 4:05 PM > To: [email protected] > Subject: pocket speccy > > I had been thinking for a while about making a gameboy > speccy cartridge by plonking a z80, 48K of ram, and 16K > rom on a cartridge, latching any writes to the screen > ram area, and then feeding this to the gameboy's processor > which would be running a program to pass the screen writes > onto the gameboy screen. It didn't seem terribly feasible > due to the size and colour depth of the gameboy screen. > > However, I see that the gameboy advance has a 240x180 pixel > screen, which is almost enough. It's being powered by a > 60MHz ARM processor, so it might just be possible to emulate > the z80... if not, we could hang a z80 on the cartridge port. > Looking at the specification, I see it has both an ARM processor > and an "8-bit CISC" processor, which I take to be the same > processor as is used in the current gameboy (a stripped-down > z80) to provide compatibility with earlier games. > > I wonder if a (non-mode 3) SAM emulator might be possible. We > would have to put 512K ram on the cartridge port (I think > the new GB will have only 32K user ram) > > Andy
