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Dreamcast AICA MIDI output

Posted: Mon Jul 13, 2020 11:20 pm
by tsowell
Hi all,

I put together some instructions for adding a MIDI connector to a Dreamcast modem. The MIDI output is controlled by the AICA sound processor, and it requires special software support to use it. My alternate ScummVM backend for Dreamcast might be the only software that supports it, but there isn't much that supports the official Dreamcast MIDI Interface Cable either :).

For a while I was using this instead of a MIDI Interface Cable because they are impossible to find and because it ties up the serial port. This mod might be slightly easier than making a homebrew MIDI Interface Cable too.

A lot of the games ScummVM supports have soundtracks composed specifically for certain vintage synthesizers like the Roland MT-32 and SC-55, and there are probably other Dreamcast ports that could benefit from MIDI output. Doom had a MIDI soundtrack, so I'd like to add MIDI output to one of its Dreamcast ports one of these days.

Re: Dreamcast AICA MIDI output

Posted: Mon Jul 13, 2020 11:51 pm
by Ian Micheal
can add timidy support to doom pretty easy but it'[s software not hardware



Midi player i did using opensrc midi patches this is all software.

Re: Dreamcast AICA MIDI output

Posted: Tue Jul 14, 2020 3:34 am
by colgate
This is amazing, well written tutorial as well. I wonder if the karaoke adapter also has a midi out?.


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Re: Dreamcast AICA MIDI output

Posted: Wed Dec 29, 2021 1:18 am
by dan-dan
thanks tsowell!

can't wait to hear Dreamcast make the sweet sound of Roland mt32 & sound canvas!

Re: Dreamcast AICA MIDI output

Posted: Wed Jan 10, 2024 3:03 pm
by state_product
Does this impact the ability to use DreamPi at all? Thinking this could be fun to toy around with.

Re: Dreamcast AICA MIDI output

Posted: Thu Jan 11, 2024 12:52 am
by state_product
Also, does this work when plugged into the kareoke component?