[sdiy] MIDI running status implementation - status bytes

Neil Johnson neil.johnson71 at gmail.com
Fri Jan 31 13:33:53 CET 2014


Tom,

> "The MIDI spec allows for a MIDI message to be sent without its Status byte (ie, just its data bytes are sent) as long as the previous, transmitted message had the same Status."
>
> From this, you'd assume that each new incoming Status byte would be stored, and would become the new status byte to be used if a message arrives without one. But in the case of channel status bytes, it's quite possible that the new status byte is on another channel and not meant for us.
>
> In this situation,  should I update the current status byte or not?

Yes, but with the proviso that the following data bytes constitute a
MIDI message that you will ignore.

Neil
--
http://www.njohnson.co.uk



More information about the Synth-diy mailing list