[rodgersorgan] Re: MIDI registrations

Yes, it can get confusing.  I am still looking for your specific decoder ring, 
but I can at least share what I can glean from the manual I have.

First, for all of the non-MIDI interested on the list, move on, its going to 
get ugly. ;)

Your SYSEX message:
F0 41 10 30 12 01 00 00 01 00 00 00 00 00 00 10 10 00
00 00 00 00 00 00 00 00 00 00 00 11 00 00 00 00 00 00
00 00 00 00 00 00 4D F7

is composed of a bunch of parts. 

F0 Start SYSEX
41 Manufacturer ID (Roland is 41)
10 Device ID (Rodgers organs by default is 10 - you can change in the setup 
menu at the organ if you wish)
30 Model ID (according to my 577 manual "30" is generic organ data "47" is 
specific to 577)
12 Send SYSEX (a receive is 11)
01 Offset Byte 

Data broken up in bytes (8 bits)
00 00 01 00 byte 1 bit 6 (remember we are offset by 1 so we should start with 1 
note 0)     
00 00 00 00 byte 2 
00 10 10 00 byte 3 bit 3,5      
00 00 00 00 byte 4 
00 00 00 00 byte 5 
00 00 00 11 byte 6 bit 7,8
00 00 00 00 byte 7 
00 00 00 00 byte 8 
00 00 00 00 byte 9 
4D checksum
F7 End SYSEX

All we have to do is find the decoder ring that shows the stop mapping.  I 
tried to match this SYSEX message with the list I have for my i577 without much 
luck.  This bothers me a little since I thought all Rodgers used the same 
mappings (bigger organs just have more available).  But a pedal Gedeckt 8 on 
the i577 would be byte 22 bit 4 and you don't have 22 bytes.  

Would you mind sending me the file Noel sent you?  I will keep looking for a 
790c reference.  Perhaps a Rodgers tech has one?

Hang in there, we'll get you going.

Clay
Composer-In-Residence, Frogmusic.com
www.baacemusic.com
!
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