/pub/cbm/schematics/cartridges/c64/diag/

blackbox.bin 1999-01-27 16384: Firmware for the Blackbox cartridge.
blackbox.gif 1999-01-26 12792: Reverse engineered schematic diagram of Blackbox, a Polish
cartridge that seems to contain some hardware diagnostics.
Drawn by Jerzy Sobola, July 2, 1999. Downloaded from
http://www.republika.pl/jsobola/schematy.htm.
C64DiagHarnass.pdf 2023-03-21 556743: Peter Schepers drawing of diag harnass schematics
diag-c64-4k.bin 1999-01-27 4096: Firmware for a 4-kilobyte diagnostic cartridge.
Downloaded from http://www.republika.pl/jsobola/schematy.htm.
diag-c64-4k.gif 1999-07-23 16603: Reverse engineered schematic diagram of a 4-kilobyte diagnostic cartridge
and its test harnesses. Drawn by Jerzy Sobola, July 23, 1999.
Downloaded from http://www.republika.pl/jsobola/schematy.htm.
diag-c64-8k.bin 1996-03-15 8192: Firmware for a 8-kilobyte diagnostic cartridge.
Downloaded from http://www.republika.pl/jsobola/schematy.htm.
Independently provided by Raymond Carlsen.
diag-c64-8k.gif 1999-03-12 18522: Reverse engineered schematic diagram of a 8-kilobyte diagnostic cartridge
and its test harnesses. Drawn by Jerzy Sobola, March 12, 1999.
Downloaded from http://www.republika.pl/jsobola/schematy.htm.
diag-c64-8k.txt 2002-07-30 682: Raymond Carlsen's notes on the 8-kilobyte diagnostic cartridge.

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