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Star Fox SuperFX2 Chip

Hack of Star Fox


This patch changes Star Fox from using the SuperFX chip to using the SuperFX2 chip. All testers have reported a noticeable difference in speed.

This could not be possible without the help of Vitor Vilela!

ROM / ISO Information:

  • Database match: Star Fox (USA) (Rev 2)
  • Database: No-Intro: Super Nintendo Entertainment System (v. 20210222-050638)
  • File SHA-1: 2E77E250501D9B232630AEECC1E5505CF2327484
  • File CRC32: C056B80C
  • ROM SHA-1: CF08148CD8F26D51F8C67C956179DFC594E7A4F1
  • ROM CRC32: 8FC4E6D0




ContributorType of contributionListed credit
Vitor VilelaHacking

User Review Information


Reviewed By: zoinknoise on 18 Nov 2021

An impressive hack, and a great improvement to the game. But it must be noted that Star Fox was not designed for the SuperFX 1 in the first place; it was designed for the “MARIO” chip. This was the original version of the SuperFX, which ran at half the speed of the SuperFX 1 and 2. (I guess you could call it the SuperFX 0.) There’s actually no difference between the SuperFX 1 and 2 besides the ROM sizes they support: SuperFX 1 = 1MB maximum, SuperFX 2 = 2MB max.

Some Star Fox cartridges out there do have a SuperFX 1 inside; those carts were made after other SuperFX games started coming out and the “MARIO” chip was retired, since Star Fox was the only game to use it. (Each SuperFX was backwards-compatible with the earlier model.)

For what it’s worth, Star Fox 2 was designed for (and runs just fine on) the SuperFX 1. I realize this is all pretty messy and confusing but thought it was worth pointing out nevertheless. Just think of this patch as an upgrade from SuperFX 0 to 1, instead of from SuperFX 1 to 2. :)

Version 1.1 Recommended - Yes

User Reviews
Smooth as silk......90% of the timeSupergamerguy20 Nov 20211.1Yes
Misnomerzoinknoise18 Nov 20211.1Yes
Improve an already good gameJosé luis16 Nov 20211.1Yes
Wow! Star Fox the way I thought I remembered it…AC3916 Nov 20211.1Yes
The Little Starfox hack That Couldkaine2316 Nov 20211.1Yes