Author Topic: star fox 2 classic edition work on this?  (Read 4889 times)

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Offline Theta55

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star fox 2 classic edition work on this?
« on: October 07, 2017, 03:37 AM »
Just wondering on not home for a couple of days and want to know. There is a rom floating around out there dumped from the snes classic itself.

Offline dreimer

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Re: star fox 2 classic edition work on this?
« Reply #1 on: October 07, 2017, 12:28 PM »
SO it seems like you did not even read anything before posting I guess... https://sd2snes.de/blog/compatibility

Offline Jdurg

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Re: star fox 2 classic edition work on this?
« Reply #2 on: October 08, 2017, 07:48 AM »
So the previous response is a bit harsh, but correct.

Star Fox 2 was planned for release on the FX2 equipped boards, if my memory is correct.  It was ultimately canceled as the N64 came out and had better 3D graphics.

Currently, the SD2SNES cannot handle FX/FX2 or SA-1 custom chip based games.  It may, or perhaps may not be, theoretically possible to simulate those chips on the FPGA, but it's not a straightforward/simple task to code it.

Offline MaoMaoKing

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Re: star fox 2 classic edition work on this?
« Reply #3 on: October 11, 2017, 07:00 PM »
About star fox 1 & 2
Retro Freak can play this game
So is it possible to extract Retro Freak's analog wafer program to add to SD2SNES?

Offline Sarge

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Re: star fox 2 classic edition work on this?
« Reply #4 on: October 11, 2017, 07:14 PM »
The Retro Freak is a purely software solution.  It's basically an emulator box with cartridge ports to dump your games.

The SD2SNES uses an FPGA.  The code base would be completely different, so it wouldn't be possible to move that code over to the FPGA.  If you had access to the code, you might could figure out how they (or another emulator) handled the Super FX chip, but even once you get the logic down, porting it to the SD2SNES is non-trivial.  There are probably also issues that emulator authors don't have to deal with in regards to timing.  The SD2SNES would likely present some challenges simply because it's interacting with real hardware.
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Offline Theta55

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Re: star fox 2 classic edition work on this?
« Reply #5 on: November 03, 2017, 10:27 PM »
just tried it, it doesn't work sigh.

Offline FeverDrive

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Re: star fox 2 classic edition work on this?
« Reply #6 on: November 04, 2017, 10:27 PM »
Just wondering on not home for a couple of days and want to know. There is a rom floating around out there dumped from the snes classic itself.
I guess this game works in the SNES classic because that console is an emulated SNES.
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Offline CZroe

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Re: star fox 2 classic edition work on this?
« Reply #7 on: December 07, 2017, 06:36 PM »
Just wondering on not home for a couple of days and want to know. There is a rom floating around out there dumped from the snes classic itself.
I guess this game works in the SNES classic because that console is an emulated SNES.
More specifically, because their SNES emulator also emulates Super FX... just like RetroFreak, RetroN5, ZSNES, etc.

SD2SNES runs on a real console and needs to replicate the original functions on a board logic level. You can't just port a software FX chip emulator. Software emulators only need to interpret software and are free to simulate the functions however they want. Indeed, FX emulation has always been a bit sloppy with SNES9x, ZSNES, and their ports (runs too fast).