OVERRIDING M.I.D.I.

[Karl Helmer Torvmark]

On Wed, 29 Jan 1997, J.D. McEachin wrote:

> Bingo!  Most analog polysynths are woefully underpowered (and some
> digital, like the D50/D550, where the LFOs slow down under heavy MIDI
> load!).  Usually it's compounded by bad software design.  We've sped up the
> JP6's MIDI response considerably just by writing a more efficient MIDI
> message state machine and giving interrupt priority to note data. 
>  

I got a D-50 with the M*EX upgrade, which includes the "Speed-system" 
upgrade. You get a new crystal with the upgrade, so I suspect they speed 
up the clock-rate the MIDI-interface runs at, and they probably tweaked 
the software as well. Now I have no problems, but then the D-50 doesn't 
use controllers much and it isn't multitimbral, so...
On the other hand, modifying parameters in real-time via sys-ex seems to 
work fine (each sys-ex message is 11 bytes).

Karl H.