Reported non-working disk images

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Reported non-working disk images

Postby david__schmidt » Tue Nov 20, 2012 4:16 pm

A list of disk images reported by polyex and others, coming from Asimov; results with latest firmware under test:

Black Cauldron:
BLACKCAULDRONFIXED_.ZIP - works

Karateka:
karateka.do.gz - works
karateka.dsk - works
karateka.dsk.gz - boots, but hitting any key reboots and starts over

Masquerade:
Masquerade (with Title).zip - cycles back to beginning
MASQUERADE_BOOT(vol0fix)_hr.dsk - crashes on boot
Masquerade_disk1_with_title.dsk - boots, asks for second disk, doesn't seem to recognize masquerade2.dsk.gz

Might and Magic I:
mm1.nib - dumps to monitor behind hgr screen
mm1_side_a.dsk - boots to title screen, CFFA3000 blinks forever (note might_and_magic_fix.txt - not really a CFFA3000 problem)

Police Quest:
PoliceQuest-S1.dsk - crashes on boot

Sherwood Forest:
sherwood_forest.dsk - vertical bars on boot

Witness:
witness.dsk.gz - works
david__schmidt
 
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Re: Reported non-working disk images

Postby peterferrie » Wed Nov 04, 2015 9:10 pm

david__schmidt wrote:A list of disk images reported by polyex and others, coming from Asimov; results with latest firmware under test:

Karateka:
karateka.dsk.gz - boots, but hitting any key reboots and starts over


The image is broken.
The crackers are making modifications to the code in a copy of the boot PROM, but the addresses that they touch have completely different meanings in the CFFA boot PROM. That's why it crashes.
Must use a different image. I have a file-based version of Karateka that runs in ProDOS.

david__schmidt wrote:Masquerade:
Masquerade (with Title).zip - cycles back to beginning
MASQUERADE_BOOT(vol0fix)_hr.dsk - crashes on boot
Masquerade_disk1_with_title.dsk - boots, asks for second disk, doesn't seem to recognize masquerade2.dsk.gz


Masquerade (with Title).zip loads the title screen twice, very slowly, but eventually works.

MASQUERADE_BOOT(vol0fix)_hr.dsk - CFFA is the problem here, but not sure exactly the reason. The drive stops returning data after a while.

david__schmidt wrote:Might and Magic I:
mm1.nib - dumps to monitor behind hgr screen


The image is broken.
Assumes slot 6 is the boot PROM. Must use a different image.

david__schmidt wrote:Police Quest:
PoliceQuest-S1.dsk - crashes on boot


The image is broken.
The game uses the volume number to identify which disk is in the drive.
This information is not present in a .dsk image, so the image is not usable in any emulated environment.
The .nib version works correctly.

david__schmidt wrote:Sherwood Forest:
sherwood_forest.dsk - vertical bars on boot


CFFA is the problem here, same as Masquerade.
peterferrie
 
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