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  #1  
Old 12th June 2007, 04:18 AM
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spen83 spen83 is offline
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Default New CycloDS Compatible Trim Tool
After learning about the problem with other NDS ROM trimming tools and how they screw up the RSA signatures in trimmed ROMs I made my own for the CycloDS Evolution that leaves the RSA sig intact.

I have used this to successfully trim + download play a game that would not work when trimmed with the M3 Simply Trimming Tool: (Konami Classics Series Arcade Hits)

EDIT: As the updated thread is now buried and this one is still around I'll updated the attachment on here to v1.2 (drag'n'drop multiple roms)
Attached Files
File Type: zip RSAtrim1.2.zip (55.3 KB, 661 views)
Last edited by spen83; 23rd June 2007 at 02:06 PM.
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  #2  
Old 12th June 2007, 04:50 AM
PharaohsVizier PharaohsVizier is offline
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Good job! I will use this when my CycloDS Evolution gets here.
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  #3  
Old 12th June 2007, 06:35 AM
Erran Erran is offline
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Does trimming mean you make a ROM smaller size?
How much smaller does it get?
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Old 12th June 2007, 08:03 AM
someevilguy someevilguy is offline
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Quote:
Originally Posted by Erran View Post
Does trimming mean you make a ROM smaller size?
How much smaller does it get?
Depends on the game. On average it may cut down 10 megs each file or so for larger games.
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  #5  
Old 12th June 2007, 08:04 AM
felix felix is offline
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Thanks, do you mind sharing your source code so others can learn how you did it/port it to other platforms?
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  #6  
Old 12th June 2007, 12:47 PM
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spen83 spen83 is offline
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No don't mind sharing the source
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  #7  
Old 12th June 2007, 06:28 PM
Plaguefox Plaguefox is offline
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Thank you spen! Very useful!
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  #8  
Old 12th June 2007, 06:37 PM
mcp2 mcp2 is offline
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Ah thanks for this

Going to try it out when I get my CycloDSssssssss.
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  #9  
Old 12th June 2007, 08:20 PM
Fozzy Fozzy is offline
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works great! i tried it on a few rom's and it seems fine! nice job
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  #10  
Old 12th June 2007, 09:43 PM
someevilguy someevilguy is offline
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Does this trimmer have a 100% success rate of not breaking download play? I don't have an unflashed DS to receive data to test
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