TeensyROM plug-in module turns C64 into MIDI synthesizer
A comprehensive cartridge project for C64/128 enables MIDI control of the SID sound chip.
(Bild: Travis Smith / GitHub)
If you can't get enough of the unmistakable, shrill and often bubbling sound of the SID sound chip in the C64, you can use the open-source cartridge "TeensyROM" to connect any musical instrument to the 8-bit computer. This turns the 80s 8-bit home computer into a SID synthesizer. For example, an external MIDI keyboard connected via USB can be used to control the C64's music chip. Sounds can also be output by SID using other control options. Several videos show what can be done with it.
The user with the handle LukHash has shown an interesting approach with a guitar-to-MIDI software: Instead of a chord on the guitar, the sound module of the C64 bubbles the melodies and harmonies.
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The module's ASID player turns the SID into a modular synthesizer: ASID files can be fed in with a smartphone via the TeensyROM module, for example, to output C64 music.
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Mit Ihrer Zustimmung wird hier ein externes YouTube-Video (Google Ireland Limited) geladen.
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Cartridge brings the C64 into the 20th century
There is no shortage of creative solutions in the C64 community to make the immortal 8-bit computer fit for today. A year ago, C64 enthusiast Travis Smith presented the first version of his open-source cartridge "TeensyROM". After several updates, the latest version of the project now offers a wide range of functions: MIDI inputs and outputs, ROM emulator and Internet access via Ethernet; the obligatory fast charger for C64 is also on board. The cartridge is based on the well-known Teensy 4.1 microcontroller, and makes playing MIDI files on the C64 child's play. Using a mini SD card or a USB stick, starting .crt files should also be very easy.
The TeensyROM is freely available on GitHub, including source code, circuit board layout and a housing for 3D printing. If you don't want to do the DIY work, you can also buy the cartridge ready-assembled for 59 US dollars.
(mch)
