Re: [yoshimi-user] show & tell, 0.062-pre2

  • From: Will J Godfrey <WillGodfrey@xxxxxxxxxxxxxxx>
  • To: yoshimi-user@xxxxxxxxxxxxxxxxxxxxx
  • Date: Mon, 8 Nov 2010 19:20:42 +0000

On Tue, 09 Nov 2010 05:59:43 +1100
cal <cal@xxxxxxxxxxxx> wrote:

On 09/11/10 05:47, Will J Godfrey wrote:
On Mon, 08 Nov 2010 20:48:41 +1100
cal<cal@xxxxxxxxxxxx> wrote:

On 08/11/10 10:50, Will J Godfrey wrote:
[ ... ]
How are you currently doing bank and program changes? I *think* I can send
Controller 0x00 followed by Controller 0x20 for bank changes.

I think it goes something like ... a program change depends on the correct
bank having been set previously. Bank MSB is unused, always zero, so only
the
bank select LSB is significant. At startup, that should default to
whatever it
was last time the program quit& wrote out it's config. I don't think that
persistence has quite made it to reality in the code just yet though, so
the
effective default bank LSB would be zero.

On receiving a 0x00 controller message (bank MSB), yoshi should just
ignore it.
I've just looked at the code and it isn't :-(. To do a program change, you
do
need to send a 0x20 (bank LSB) controller message to select the
appropriate bank,
then follow that with the program select message.

[ ... ]

Therefore doing a program change by itself (0xC0 I believe) must leave
the bank
wherever it was.

That's the intention, 0xC0 - 0xCF (according to channel/part number).

Cheers.

OK. This works if I send controller 0x20 first on channel 1 (regardless of
which channel I actually want to change) ... Wooo!

Obviously more work required here ... each part is supposed to be remembering
it's own
last selected bank/program :-(.

This may not be Yoshi's fault. I know there are some 'issues' with Rosegarden
and MIDI. I'm wondering if Rosegarden thinks a bank change is a system message
and therefore can only be accepted on channel 1?

Currently I don't have any other way of sending messages. I tried loading
up kmidimon but couldn't make any sense out of it :(

I also had a look at Muse, but as well as a pretty horrible UI, again I
couldn't work out how to actually get it to talk to anything!


--
Will J Godfrey
http://www.musically.me.uk
Say you have a poem and I have a tune.
Exchange them and we can both have a poem, a tune, and a song.


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