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04-29-24 02:09 PM
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Acmlm's Board - I3 Archive - ROM Hacking - sonic 2 checksum New poll | |
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m3gaman









Since: 12-28-05
From: Geelong, AUS

Last post: 6482 days
Last view: 6482 days
Posted on 02-07-06 02:57 AM Link | Quote
After doing some changes to my sonic 2 sprites im having checksum problems. What can i use to fix my now invalid checksum?
Dragonsbrethren

440








Since: 12-01-05
From: New Jersey

Last post: 6467 days
Last view: 6467 days
Posted on 02-07-06 03:32 AM Link | Quote
There are a couple of tools that can do it, if you happen to be using ESE II it was a checksum fixer built in, if not get Fix Checksum from the downloads section at Sonicology.
m3gaman









Since: 12-28-05
From: Geelong, AUS

Last post: 6482 days
Last view: 6482 days
Posted on 02-07-06 03:37 AM Link | Quote
Amongst the downloads on that site was a decompiler and recompiler...

Problem is there in another language and from what i worked out when i decompiled it it came out as a very small bin?

I'm much confused as to how to work it and if it is working properly is this .bin ment to be the outcome?


(edited by m3gaman on 02-07-06 06:04 AM)
Tony Hedstrom
Newcomer


 





Since: 01-06-06

Last post: 6652 days
Last view: 6652 days
Posted on 02-10-06 09:19 PM Link | Quote
Assuming you're talking about Sonic 2 for Genesis, just hack this into your ROM and it will bypass the checksum routine...

$000344:6004

Tony H.

Edit: Forgot there are 2 versions of Sonic 2. If that doesn't work, let me know and I'll get the other ROM and make a new "Checksum killer".


(edited by Tony Hedstrom on 02-10-06 08:33 PM)
Metal Knuckles

Tendoru








Since: 12-21-05
From: New Hampshire

Last post: 6279 days
Last view: 6279 days
Posted on 02-10-06 09:56 PM Link | Quote
Maybe someone should just post a link to Nemesis's guide just to simplify things.

...

Don't look at me! =P
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