C64MIDI-INTERFACE.TXT 1993-06-29 36932
Self-explanatory. Both ASCII and PS version.
MK.gif 1996-11-04 29866
MK7PLA.txt 1996-11-04 2341
Schematic diagram of an Action Replay freezer cartridge clone, and the contents of the PLA chip required for the cartridge.
Second-SID.txt 1996-12-05 12559
Connect a 2nd SID chip to your C64 to get stereo sounds. Written and uploaded by Charlie Young <charlesyoung@mail.snider.net>.
c2n-conn.jpg 2002-04-06 30421
Home-made Commodore tape drive connector. From top to bottom: GND, VCC, tape motor (unassigned), READ (red), WRITE (white), SENSE (unassigned).
c2n-oric1.html 2003-11-23 2969
Connecting a Commodore tape drive to the Oric-1. This document refers to the figures c2n-conn.jpg and c2n-oric1.jpg.
c2n-oric1.jpg 2002-04-06 31246
Wiring a Commodore tape interface to the Oric-1. From left to right: READ (red), VCC, GND, WRITE (white). The ICs on top are memory, and the IC on the right is the sound chip.
c64-IO-expander.zip 1998-05-19 13976
Hardware modification to get more I/O space for the C64. Designed and uploaded by MagerValp@Goth.Org
c64-kernal-cartridge.gif 1997-08-18 39815
Schematic diagram of an external KERNAL cartridge for the C64. Drawn by Ruud Baltissen http://ruud.c64.org/.
c64-kernal-cartridge.zip 1997-08-18 5940
Source files of the above.
c64-with-12volts 1996-12-14 2475
How to make the Commodore 64 to work with a 12 volt battery.
castest.zip 2002-08-13 368031
Scanned images from the "Commodore" magazine article "Testing the Commodore 64 Cassette Interface" by Don Fabrizio, Commodore Training Manager. This article shows some Commodore 64 BASIC code and simple connections for testing the cassette write and motor outputs and the read and sense inputs.
cooling-fan-C128DCR.txt 1998-01-24 10709
Equipping the Commodore 128 DCR (metal cased 128D) with a cooling fan.
powersupply.txt 1996-11-17 3262
Build a heavy-duty power supply for the C64 (or VIC-20). Note that this instruction assumes 110 V input voltage.
reset-for-64.txt 1998-01-04 2939
Building a RESET switch for the Commodore 64.
rtc.gif 2001-02-22 8346
Schematic diagram for a real time clock connected to the cassette port.
usb-joystick.dia 2003-11-23 1318
Schematic diagram of an inverter circuit. See usb-joystick.png and usb-joystick.html.
usb-joystick.html 2003-11-23 9575
Connect Atari VCS 2600 style joysticks to a USB game controller.
usb-joystick.png 2003-11-23 4048
Schematic diagram of an inverter circuit. The source file is usb-joystick.dia.
usb-joystick1.jpg 2003-11-05 10933
Top view of a modified Logitech WingMan Precision USB game controller. See usb-joystick.html.
usb-joystick2.jpg 2003-11-05 11379
Bottom view of a modified Logitech WingMan Precision USB game controller. See usb-joystick.html.
usb-joystick3.jpg 2003-11-05 15440
Internal view of a modified Logitech WingMan Precision USB game controller. See usb-joystick.html.

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