MSX USB to DB9
Posted: 25 Dec 2023 22:23
Hi
I have completed first iteration of hardware mainly focused for MSX computers (but there are jumper settings which should allow targeting Amiga/Atari. So far I have completed implementation of MSX Gamepad, will need to look into mouse soon (and hopefully port it to TFMSX after)
This targets cheap general purpose RISC V chip called CH32V103C, future revisions of this hardware will be switched to CH32V203C (cheaper and faster). Mistakes were made, as I hooked up USB Port 1 assuming it will be usb host (documentation is a little bit light), but examples are first class
Price of this chip is round £1.20, price of V203C will be like 70p. Whole bill of materials shouldn't cost more than £5.
https://github.com/arkadiuszmakarenko/CH32_DB9
I have completed first iteration of hardware mainly focused for MSX computers (but there are jumper settings which should allow targeting Amiga/Atari. So far I have completed implementation of MSX Gamepad, will need to look into mouse soon (and hopefully port it to TFMSX after)
This targets cheap general purpose RISC V chip called CH32V103C, future revisions of this hardware will be switched to CH32V203C (cheaper and faster). Mistakes were made, as I hooked up USB Port 1 assuming it will be usb host (documentation is a little bit light), but examples are first class
Price of this chip is round £1.20, price of V203C will be like 70p. Whole bill of materials shouldn't cost more than £5.
https://github.com/arkadiuszmakarenko/CH32_DB9