[Scummvm-tracker] [ScummVM :: Bugs] #12303: SCUMM: Maniac Mansion C64 and Zak C64 Abort with Error

[ScummVM :: Bugs]

#12303: SCUMM: Maniac Mansion C64 and Zak C64 Abort with Error
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Reporter:  andrea-petrucci-1975  |       Owner:  sev-
    Type:  defect                |      Status:  new
Priority:  high                  |   Component:  Engine: SCUMM
 Version:                        |  Resolution:
Keywords:                        |        Game:  Maniac Mansion
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Comment (by BenCastricum):

 It's a bit more complex. Here's what happening;

 The data on the .d64 images is not encrypted.
 The c64 extraction tool encrypts only room 00 with 0xFF
 ScummVM expects all files to be XORed with 0xFF.

 See also this PR to straighten it: [https://github.com/scummvm/scummvm-
 tools/pull/37]
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Ticket URL: <https://bugs.scummvm.org/ticket/12303#comment:10>
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