Super FX page on anthrofox

This page about the Super-FX was really fascinating, I never knew such details about the chip.

It's a shame it's only able to render stuff in 16-colours, that' quite a huge limitation if you ask me. Imagine if it could do 256 colours in mode 3/4/7 !

Does all Super-FX games use the same FX software or is it different for each game ? It is stored together with the game ROM and then is downloaded into the chip somehow, or is it stored separately ?

What? The SuperFX most definitely has support for plotting in 8bpp. Stunt race FX and Dirt trax both use mode 3.

I don't know how much code was reused but I reckon the games that the boys from Argonaut were involved in had a some recycled code for plotting and general math stuff. The superfx code is stored in the rom, the chip can execute code in rom or sram (and the cache of course). All of the games that I've glanced over just let the superfx run in rom like a main cpu while the scpu was basically sitting idle in wram, waiting to DMA the framebuffer to VRAM.

Has anybody been able to clone this chip or any of the other special chips some carts used?

The SD2SNES is able to emulate some of the chips (using an FPGA), and the SuperFX has been in the works for ages.

No source code of that fpga is out there I take it.

Awesome! Thanks.

Are you thinking about taking a stab at implementing Super FX on the SD2SNES?

No I was thinking of having a custom chip to replace the Super FX on a custom board, but don't get your hopes up that it will happen by my hands.