[Coco] DriveWire does MIDI

William Schaub wschaub at steubentech.com
Fri May 21 12:07:17 EDT 2010


Aaron Wolfe wrote:
> At the cocofest, Brian Schuhbring showed me his MIDI setup which he
> used to play music throughout the event. We talked about using CoCo as
> a MIDI player, and of course I wondered if DriveWire could be used.
> Turns out it can.  By renaming one of the virtual channels to 'MIDI'
> and adding some code to redirect its output to the synthesizer built
> into the Java VM, I've got "mfplayer" working pretty well.  I'd expect
> that any other program which uses a MIDI device in OS-9 would work as
> well.  I also added MIDI file detection to the /N handler, so you can
> dump
> any standard MIDI file to the /N port and it will play on the PC.
>
> There is some latency at times.  I have ideas on how to reduce if not
> eliminate this.  I'm also going to explore having the server pass the
> MIDI events on to an external keyboard or synthesizer the way Brian
> does with his setup, which would provide much nicer sounding
> instruments.   There are ways to load different sound banks into
> Java's internal synth too, that might be interesting.
>
> Here's a video of DW4/MIDI in action:
> http://www.youtube.com/watch?v=F2VXN1zIt_g
>
> So now we have disks, printing, clock, virtual modems, tcp/ip
> networking, and MIDI running on the built in bitbanger.
>
> The CoCo rules :)
>
> -Aaron
>
> --
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> Coco at maltedmedia.com
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>   
That's great I will see about building it from the repository and trying 
it out.



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