I've seen that link, thanks anyway. Most C64 MIDI interfaces use a 6580 but appear at different addresses.
Does anyone have details of the addresses for each type of MIDI interface? I thought I saw a posting on here showing Datel locations but can't find it now.

Thanks again.

Thanks for the prompt reply! So, I'm on the lookout for a working Datel MIDI interface for the C64, anyone got a working one to sell or can point me towards the schematics? I've got some other ideas on how to use this cart, but if you were to do something new, what features would you like to see imp...

No need to wait anouther year!

Which MIDI interfaces work with the SFX Sound Expander?

Thanks

Marshall