-------------Terrapin Logo-------------
A 4am crack                  2017-10-21
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Name: Terrapin Logo
Version: 2.00 (*)
Genre: programming
Year: 1984
Credits: L. Klotz, P. Sobalvarro, and
  S. Hain under the supervision of H.
  Abelson
Publisher: Terrapin, inc.
Platform: Apple ][+ or later
Media: single-sided 5.25-inch floppy
OS: DOS 3.3
Previous cracks: none (of this version)

(*) 4am crack no. 178 was labeled
    "Terrapin Logo 2.0". This disk is
    "Terrapin Logo 2.00". The filenames
    are different, and the main program
    has differences in multiple places.
    Also the copy protection on this
    version is significantly stronger,
    suggesting a later revision.

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 S5,D2
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: D4 -> DE
T00,S03,$35: D4 -> DE
T00,S02,$9E: D4 -> DE
CRACK COMPLETE.

                 --^--

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

Quod erat liberandum.

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A 4am crack                    No. 1488
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