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Mario Paint SNES Prototype

 
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NESPlayer



Joined: 10 Dec 2010
Posts: 40

PostPosted: Thu Sep 06, 2012 1:52 am    Post subject: Mario Paint SNES Prototype Reply with quote


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April Fools'!

Oh shit, it's September.
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Smeg
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Joined: 26 Aug 2003
Posts: 1600
Location: beneath enemy scrotum

PostPosted: Thu Sep 06, 2012 3:06 am    Post subject: Reply with quote

Great article as always. Very nice Butter Monster homage Smile
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BMF54123
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Joined: 28 Aug 2003
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Location: Henderson, NV

PostPosted: Thu Sep 06, 2012 4:47 am    Post subject: Reply with quote

The ROM isn't supposed to be 2MB. The cartridge doesn't have a valid header, as it's not really necessary for a real cartridge to function, and would have been added before the ROM was sent off to production. Your dumper probably read the garbage data where the header should be and got invalid size/mapping values, so the resulting ROM is twice as large as it should be, with invalid data (probably open bus) in every other bank, and no SRAM (hence the broken custom stamps and inability to save data).

Here's a copy of the ROM with the invalid banks removed. Note that it probably won't work in most emulators:

Mario Paint (Prototype).sfc

Here's a hacked copy with a retail Mario Paint header applied. This one works in emulators, but I strongly suggest you not distribute it on your site:

Mario Paint (Prototype) (with retail header).sfc

Does the cart have any saved data when played on a real SNES? If so, you should probably find a way to preserve it... :|
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