Hi! > > ....this through a big search on the web regarding the Commodore SFX > Sound Expander and specially the external keyboard. I'm trying to find > out if its possible to give the external keyboard a MIDI interface which > is useful on my pc. In other words: I want to use the external keyboard > on my Pc... i'm sick of the c64 sounds. ;) Lucky you, owning a real SFX keyboard ;-). As I remember, from the technical side the SFX keyboard is just a bunch of switches (similarly to normal keyboards), organized in a matrix-like structure. It is 'passive' and in the original system it is scanned by the SFX software, through a port in the SFX sound expander register map. For using it on your PC, you'll have to build something that queries its state and transforms this information into MIDI messages. This is pretty much beyond my current knowledge, but have some suspects that it would be the easiest by using a microcontroller. Probably some people have built homemade MIDI keyboards. Their plans / docs could be helpful if you find some (their hardware / software design could be used with just few modifications). ...If you're not that good in microcontroller tech, you're probably out of luck (writing the software for the C64 should be similarly problematic, and the availability of a MIDI interface for the C64 shows even less promise). Best regards, L. - This message was sent through the cbm-hackers mailing list. To unsubscribe: echo unsubscribe | mail cbm-hackers-request@dot.tml.hut.fi.
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