[mythtv-commits] Ticket #2331: mythgame computing bad crc values, all systems, all bad

MythTV mythtv at cvs.mythtv.org
Wed Sep 6 20:05:29 UTC 2006


#2331: mythgame computing bad crc values, all systems, all bad
------------------------------+---------------------------------------------
 Reporter:  njustn at gmail.com  |        Owner:  greg    
     Type:  defect            |       Status:  assigned
 Priority:  minor             |    Milestone:  unknown 
Component:  mythgame          |      Version:          
 Severity:  medium            |   Resolution:          
------------------------------+---------------------------------------------
Comment (by njustn at gmail.com):

 absolutely, I'm actually on campus right now so I can't get the file to
 you immediately, but I've looked into it further and it looks like I may
 have been wrong about it affecting all systems, but I'm completely sure it
 affects snes roms.

 Since zsnes was working I downloaded the source for that and found where
 the CRC is being calculated and it looks like they do one thing that might
 be making all the difference, it detects the type of info header on the
 rom, and sets the month and day to 0x42 and 0x00 respectively, after which
 the correct CRC is produced.

 I'll provide the information you requested as soon as I return to my
 appartment ~ 1.5 hours.

-- 
Ticket URL: <http://svn.mythtv.org/trac/ticket/2331#comment:3>
MythTV <http://www.mythtv.org/>
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