Johannes Ahlebrand has released version 1.3 of SIDCog. This Spin language object emulates the famous sound chip in the Commodore 64 running in a single Propeller cog. The developer reports it’s much closer to the 8580 than the 6581 when it comes to filter emulation and combined waveforms. Features include a 31kHz sample rate, >16bit […]
We talked to Jeri (@6:22) at this years Bay Area Maker Faire about her C64 bass guitar. In this video she goes into the internals of her project. Jeri shows a bass guitar she build from an old C64. It uses the original sound chip (SID 6581) for keytar and string sounds.
Markus decided to reuse an old Commodere 64 Competiton Pro joystick, so he added a USB adapter to it. The retro joystick uses a simple interface over the D-SUB 9 connector, using one connection for each movement direction and one connection per button. He used a PIC24FJ64GB002 microcontroller to translate the native joystick interface to […]
If you are into retrocomputing with the Commodore C64 or clone then you will be interested in reading CommodoreFree. This is a free online magazine which has been published since 2007 and is now in its 53 issue. You can download all issues beginning with number 4 from the CommodoreFree website in PDF, text, Epub […]
The eight-core Parallax Propeller is capable of some pretty amazing things. One use developed by Johannes Ahlebrand is to emulate the famous Commodore 64 sound chip. His SIDcog V 1.0 code object allows the Propeller to accurately emulate an original C64 SID chip. With this code, your Prop can produce retro C64 game sounds like […]