Search found 2 matches

by bluefoxicy
Tue Dec 19, 2006 11:38 am
Forum: 1990's Gaming
Topic: Making an SNES expansion chip (i.e. custom Super FX)
Replies: 4
Views: 2365

An ISA SNES dev card will still require me to burn to ROM. My ideal situation is that an end user builds/buys a device like this, and an SD card; and then copies the games from the Internet onto the card. (note specifically that in the particular method of loading I picked, you can't use normal SNES ...
by bluefoxicy
Tue Dec 19, 2006 3:33 am
Forum: 1990's Gaming
Topic: Making an SNES expansion chip (i.e. custom Super FX)
Replies: 4
Views: 2365

Making an SNES expansion chip (i.e. custom Super FX)

Any ideas on good docs to make my own SNES expansion chipset? I have a number things I want to do:

- Be able to communicate with SNES code

- Control the frame buffer directly (Super FX did this with DMA)

- Control what the SNES sees in ROM

Basically I want to place a small processor (an eZ80 ...