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Category Archives: C64 Tech

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C64 Diagnostic Instruction and Troubleshooting Manual

Posted on December 21, 2021 by Carsten Jensen
Reply

C64 Diagnostic Instruction and Troubleshooting Manual, thanks to Sven Petersen.

Posted in C64 Tech | Tagged c64, diagnostic, repair | Leave a reply

C64 Dead Test Diagnostic Manual

Posted on December 4, 2021 by Carsten Jensen
Reply

C64 Dead Test Diagnostic Manual, thanks to Sven Petersen.

Posted in C64 Tech | Tagged c64, dead, diag, manual, test | Leave a reply

The “Load IT” Datassette

Posted on February 7, 2021 by Carsten Jensen
Reply

The “Load IT” Datassette, thanks to DDHF.

Posted in C64 Tech | Tagged adjust, c64, datassette | Leave a reply

Commodore 64 Service Manual (German)

Posted on December 3, 2020 by Carsten Jensen
Reply

Commodore 64 Service Manual (German), thanks to Jozsef Vamosi.

Posted in C64 Tech | Tagged c64, manual, service | Leave a reply

PET BASIC Version 2.2 Source Code Listing for Commodore 10/16/64

Posted on January 18, 2020 by Martin Sørensen
Reply

Assembly source code listing for PET BASIC Version 2.2 for Commodore 10/16/64. Thanks to Ove Mejlgaard for the document.

Some errors are seen from page 82, however these are present on the source printout so this was not a scanning error.

Posted in C64 Tech, PET Tech | Tagged c16, c64, rom, source code | Leave a reply

Brink br861 Lightpen (Danish)

Posted on June 14, 2019 by Carsten Jensen
Reply

Brink br861 Lightpen (Danish), thanks to Peter Krogtoft.

Posted in C64 Tech | Tagged c64, danish, electronics, lightpen, lyspen | Leave a reply

Brinck br824a – electronics diy for C64 and Vic20 (Danish)

Posted on June 14, 2019 by Carsten Jensen
Reply

Brinck br824a – electronics diy for C64 and Vic20 (Danish), thanks to Peter Krogtoft.

Posted in C64 Tech | Tagged c64, diy, electronics, tech, vic20 | Leave a reply

RS232 Kernal Improvement suggestion (Danish)

Posted on November 27, 2018 by Carsten Jensen
Reply

RS232 Kernal Improvement suggestion.

Posted in C64 Tech | Tagged c64, danish, kernal, tech | Leave a reply

C64 Kernal Listing

Posted on November 4, 2018 by Carsten Jensen
Reply

C64 Kernal Listing thanks to Ove Mejlgaard.

Posted in C64 Tech | Tagged c64, code, source | Leave a reply

C64 Diagnostic Instruction and Troubleshooting Manual

Posted on February 11, 2018 by Martin Sørensen
Reply

Added ‘C64 Diagnostic Instruction and Troubleshooting Manual’ with thanks to Ove Mejlgaard.

The source was a bad photo-copy which explains the poor quality.

Posted in C64 Tech | Tagged c64, service manual | Leave a reply

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