Scanntronik Manuals

The German company “Scanntronik” offered a lot of high-quality hardware and software for the Commodore 64 series computers, most in the space of graphics and desktop publishing. They are well-known for their Pagefox and Printfox software as well as their Handyscanner 64 hardware. This page offers most of the German-language manuals from across their product range as searchable PDFs. read more

UP9600: How to Bit-Bang 9600 Baud RS-232 on the C64

The user port of the Commodore 64 exposes a TTL-level RS-232 serial port that supports up to 1200 baud1. In 1997, Daniel Dallmann came up with a very sophisticated trick that allowed sending and receiving at 9600 baud2, using slightly different wiring and a dedicated driver. This “UP9600” wiring has become the de-facto standard for all modern accessories, like C64 WiFi modems. Let’s see how UP9600 works. read more