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PostPosted: Thu Jan 04, 2018 10:28 am 
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Joined: Thu May 19, 2005 11:30 am
Posts: 523
krzysiobal wrote:
Weird thing is that when horizontal mirroring is set, CHR-RAM is write protected.
The individual game Zippy Race uses Horizontal Mirroring and has a bug that causes inadvertent CHR-ROM writes, which on this multicart of course become CHR-RAM writes. On emulators that fail to emulate the CHR-RAM write-protect, the "P" of the red "1UP" script on the right side of the screen becomes corrupted once the race has begun.

Honestly, I'm quite surprised that the pirates cared about such small details. :)


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PostPosted: Thu Jan 04, 2018 1:22 pm 
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Joined: Sun Sep 19, 2004 11:12 pm
Posts: 20069
Location: NE Indiana, USA (NTSC)
NewRisingSun wrote:
The individual game Zippy Race uses Horizontal Mirroring and has a bug that causes inadvertent CHR-ROM writes

That's terrible. :P

Thanks for the addition to the tricky list.


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