digi-tech SDISC SYSEX1.25 User manual

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MIDI
System Exclusive
Documentation
For MIDI Compatible
S-DISC™ Products
•TSR-24 (extended)
•GSP-2101 (extended)
•Valve FX (extended)
•TSR-12 (basic)
•RP-10 (basic)
•Legend II (basic)
Tuesday, May 14, 1996
Manual Version 1.25

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
MIDI Basics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
General Format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Request Configuration Address - 00(h) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Receive Configuration Address - 41(h) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Request One Program - 01(h) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Receive One Program - 42(h) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Request RAM Area - 06(h) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Data Response - 10(h) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Reset Program - 20(h) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Reset Device - 21(h) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Reset Factory Settings - 22(h) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Request Algorithm - 31(h) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Receive Algorithm - 30(h) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Request Bulk Dump - 49(h) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Receive Large RAM Area - 48(h) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Receive RAM Area - 47(h) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Request Module Table - 50(h) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Respond Module Table - 51(h) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Request Algorithm Link Table - 52(h) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Respond Algorithm Link Table - 53(h) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Request Paramter Value - 17(h) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Receive Parameter Value - 18(h) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Receive Key Scan Code - 54(h) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Receive Hold Key Scan Code - 55(h) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Respond Key Accepted - 56(h) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Request Parameter Info - 58(h) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Respond Parameter Info - 59(h) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Receive Parameter Value - 63(h) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Return to Program Screen - 60(h) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Request Error/Status Flag - 62(h) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Respond Error/Status Flag - 61(h) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Key Scan Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Misc Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
DigiTech S-DISC™ SysEx
Table of Contents
1
1
Table of Contents
DigiTech S-DISC™ SysEx

Introduction
DigiTech S-DISC™ SysEx
This publication has been created to document the different types of MIDI System Exclusive
control available in DigiTech MIDI compatible S-DISC™ products. MIDI System Exclusive
communication allows a user to control a device directly through MIDI in a very powerful and
flexible manner. Much care has gone into creating and testing this documentation but
DigiTech can not guarantee 100% accuracy nor can DigiTech be held responsible for presets
and data lost in a product from System Exclusive Information use.
A working knowledge of the MIDI Version 1.0 Detailed Specification can be useful while
implementing any manufacturer's SysEx commands. For a copy of the MIDI spec contact:
MIDI Manufacturers Association
5316 West 57th Street
Los Angeles, California 90056 USA
[phone]
It is a good practice to back up any user programs and/or user algorithms in the device before
you begin to work with SysEx commands since incorrect commands can produce unexpected
results. Should you encounter any discrepancies between this documentation and a DigiTech
S-DISC™ MIDI product please feel free to contact us at:
DOD Electronics Corp.
Attn: Product Management Dept.
8760 South Sandy Parkway
Sandy, Utah 84070 USA
[phone]
The information contained in this document only pertains completely to the following
DigiTech products and their corresponding versions of software.
TSR-24 Software version 2.0 (or higher)
GSP-2101 Software version 2.0 (or higher)
Valve FX Software version 1.0 (or higher)
The products listed below may have full SysEx commands implemented into them at some later
date. However, they do respond to the basic Bulk Dump and Program Dump Procedures.
TSR-12
RP-10
Legend II
2
2
Introduction
DigiTech S-DISC™ SysEx

DigiTech S-DISC™ SysEx
Basic MIDI Info
3
3
Basic MIDI Info
DigiTech S-DISC™ SysEx
MIDI Channels
All DigiTech MIDI compatible products can be set so that they ‘listen’ to 1 of 16
discrete MIDI channels. The devices could also be set up to receive information on all
channels in an Omni mode or to none of the channels in a Disabled mode. Please refer
to the product's user manual for further information on each specific product.
Program Changes
When the device is set to receive one or all of the MIDI channels, it will recognize a
Program Change command. If the number is legal (e.g. within the device’s range of
selectable programs) the DigiTech device will respond by changing to the new program.
MIDI sends Program Changes 0 through 127. DigiTech devices begin their program
numbering with 1, thus Program Change 0 will select program 1. DigiTech products also
allow the user to ‘re-map’ the Program Change commands so that Program Change 0
could call program 135, if so desired. Please refer to the product's user manual for
further information.
Continuous Controllers
A MIDI Continuous Controller may be ‘Linked’ to nearly any available parameter in a
DigiTech S-Disc™ product. Local CC links and their ranges are treated uniquely in
each program with the assignments being saved only if they are stored as part of the
program. Some DigiTech S-Disc™ products also allow Global CC links. Please refer to
the product's user manual for further information.
Channel Pressure
DigiTech products treat Channel Pressure as just another type of Continuous Controller
which can be linked to parameters for control.
Pitch Bend
Pitch Bend information is a higher resolution controller that is not supported in
DigiTech products due to the density of the information and the resources needed to
process it properly. Many MIDI control products offer the ability to map Pitch Bend to
normal Continuous Controllers if a user wanted to control a parameter with a device
such as a Pitch Bend Wheel.

General SysEx Format
DigiTech S-DISC™ SysEx
The general format for the System Exclusive information is as follows (note: all SysEx values are
displayed in Hex format along with this symbol (h) for clarification):
Hex Value Definition
F0(h) System Exclusive ‘Begin Message’ byte
00(h)
00(h) Manufacturer’s ID Number (DOD/DigiTech)
10(h)
0n(h) n = channel number minus one
e.g. 00(h) is channel 1
01(h) is channel 2
etc...
0F(h) is channel 16
nn nn = device ID number 40(h) identifies the TSR-24 (Extended SysEx)
41(h) identifies the GSP-2101 (Extended SysEx)
42(h) identifies the TSR-12 (Basic SysEx)
43(h) identifies the RP-10 (Basic SysEx)
44(h) identifies the Legend II (Basic SysEx)
45(h) identifies the Valve FX (Extended SysEx)
pp pp = Procedure number. The different procedure’s names and general formats
are described in the Procedures Section (page 5).
dd
dd
. .
. . dd = Data as needed by procedures.
. .
dd
dd
F7(h) System Exclusive ‘End Message’ byte
4
4
General SysEx Format
DigiTech S-DISC™ SysEx
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}