TR
TR TR
TR-
--
-808 MIDI Interface
808 MIDI Interface808 MIDI Interface
808 MIDI Interface
Model 8
Model 8Model 8
Model 8-
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-448 ver. 2.0
448 ver. 2.0448 ver. 2.0
448 ver. 2.0
10
Copyright © 2005 CHD Elektroservis
All rights reserved. No part of this publication may be reproduced in any form without the written permission of CHD Elektroservis.
Example 3 : Tone generator CYMBAL assigned to MIDI note No. 89, upper border of dynamic range
limited to 50%
Start SysEx = F0h
Mfr ID = 00h 20h 21h
Device ID = 7Fh
Model ID = 61h
Command = 20h
Address = 4Dh → definition of MIDI note No. 89
Data 1 = 09h → tone generator CYMBAL assigned
Data 2 = 00h → lower border of dynamic range without limitation (Level Slope Min)
Data 3 = 40h → upper border of dynamic range is 50% (Level Slope Max)
Checksum = 69h → 61h + 20h + 4Dh + 09h + 00h + 40h + 69h = 00h
End SysEx = F7h
3.3.2. Creating of System Exclusive Messages
W e have prepared
software generator for simple
creating of SysEx messages
for programming of TR-808
interface. Any programming
message can be created with
help of this generator without
difficult calculating with
hexadecimal numbers.
Generator is based on Java
scripts so it is possible to use it
with any operational system of
PC, but any of browsers (MS-
Explorer, Netscape, etc.) must
be installed in the computer.
Program is available on
supplemental CD ROM.
W indow of generator opens
after ”TR-808.html" file
opening. In this window, values
of all parameters can be set by
select-boxes in middle column
of table. After setting of
requested values of
parameters, generator is
started by clicking on correspond „Generate“ button. MIDI System Exclusive Messages are generated
in hexadecimal form as a text. Now it is necessary to transfer the message from text field of generator
to SysEx Msg editor of any musical software (Cubase™, Cakewalk™, Sonar™, Midi OX etc.) and than
to transmit it to TR-808. Text of generated message can be transferred with help of clipboard for
example.
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