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11-02-05 12:59 PM
1 user currently in Rom Hacking: hukka | 2 guests
Acmlm's Board - I2 Archive - Rom Hacking - How do I decompress this?
  
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HyperLamer
Posts: 2468/8210
Yeah, I re-wrote it in VB. Unless you mean actual CPU emulation which would be far too complicated for such a simple task. (Plus I did write a Gameboy emulator core in VB. Got about 75,000 instructions per second out of the required 4,000,000. )
BMF98567
Posts: 535/1261
I believe that's exactly what he's trying to do.
ev0
Posts: 4/27
I'm not expert but... what about trying to "emulate" the code using c/asm reproducing exactly what the decompression routine does???
HyperLamer
Posts: 2432/8210
It's VB6, not .Net. I copied the code from Fu's demo program in C, which worked fine, but it always came out with garbage scattered about.
jman2050
Posts: 32/123
LC is extremely easy to use in VB.net... are you sure you're matching the arguments to the compression functions exactly? As in, not using longs but using integers?

As for the code, I skimmed it, too complicated for something I have no interest in (not to mention I don't know GB ASM at all), but if I'm interested I may take a more in-depth look.
HyperLamer
Posts: 2431/8210
I can't seem to figure out the graphics compression in Pok
Acmlm's Board - I2 Archive - Rom Hacking - How do I decompress this?


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