------------Air Nav Workshop-----------
A 4am crack                  2018-10-06
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Name: Air Nav Workshop
Genre: educational
Year: 1983
Credits: Ken Winograd
Publisher: Space-Time Associates
Platform: Apple ][+ or later
Media: 5.25-inch disk
Sides: 1
OS: DOS 3.3
Previous cracks: none

This disk was automatically cracked by
Passport. Here is the transcript:

                 --v--

T00,S00 Found DOS 3.3 bootloader
Using disk's own RWTS
Writing to S6,D2
T02,S02 Volume name is DISK VOLUME 254
T00,S09 Switching to built-in RWTS
T00,S02,$49: 03 -> 04
T00,S02,$52: 4CB1BEEAEA -> A9D520B8B8
T00,S02,$5F: BB -> B8
T00,S02 RWTS requires extra nibbles and
timing bits after the data prologue by
jumping to $BECA.
T00,S02,$F4: EABD8CC010FBC9ADD0E84CCABE
-> A056BD8CC010FBC9ADD0E7A900
T00,S03,$91: ED -> DE
T00,S03,$35: ED -> DE
T00,S02,$9E: ED -> DE
Crack complete. Press any key

                 --^--

More information and source code is
available at
https://archive.org/details/Passport4am

The original disk had a bad sector on
track 1, which I replaced with a sector
from a similarly protected disk.

Quod erat liberandum.

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A 4am crack                    No. 1880
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