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Topic: compressed data to uncompressed data (Read 1 times)
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RRB Brick
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« on: August 15, 2011, 10:55:59 am » |
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I was wondering, is there a way you can change compressed data into uncompressed (meaning you have the uncompressed data on the rom and it still works)? I've seen it used on Copa Libertadores 3 (Super Formation Soccer II hack) and I was wondering if it was possible as long as you knew where the pointer was? Sorry if I couldn't word it any better.
Penta Penguin
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RedComet
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« Reply #1 on: August 15, 2011, 11:12:33 am » |
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You can rewrite the code to load uncompressed data instead of compressed data. Simply changing the compressed data into uncompressed data without altering the code won't do anything but result in (most likely) garbage being decompressed.
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FinS
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« Reply #2 on: August 15, 2011, 05:48:59 pm » |
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Yeah, what RC says. I can think of an example where the compressed data has a 4 byte header and if the header is filled with zeros then it's loaded as uncompressed data. You would have to look at the routine in each particular case to see what it does and how to work around it.
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