DigiTech 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

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 (213) 649-6434

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 (801) 566-8800

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

Introduction

DigiTech S-DISC™ SysEx

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

(h) is channel 2

etc... 0F(h)

is channel 16

nn nn = device ID number 40(h) identifies the TSR-24 (Extended SysEx)

(h) identifies the GSP-2101 (Extended SysEx)

42(h)

identifies the TSR-12 (Basic SysEx)

(h) identifies the RP-10 (Basic SysEx)

(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

(h) System Exclusive ‘End Message’ byte

General SysEx Format

DigiTech S-DISC™ SysEx

}

In the following section, SYS_HEAD refers to a valid System Exclusive header. The System Exclusive header starts with the System Exclusive status byte, and includes all bytes through the DigiTech device type. F7

(h) is the System Exclusive ‘Message End’ byte. All SysEx numbers in

the format definition of each procedure are given as hexadecimal values along with this symbol

(h) for clarification. Binary numbers are identified with this symbol (b).

REQUEST CONFIGURATION ADDRESS (00h)

SYS_HEAD, 00(h), F7(h) When a Request Configuration Address procedure is received, the DigiTech device

will respond with a Receive Configuration Address procedure.

RECEIVE CONFIGURA

TION ADDRESS (41h)

SYS_HEAD 41(h),ww, xx, yy, zz, F7(h) ww 0000000v(b) where v is bit 7 of the ram address.

xx 0vvvvvvv

(b) where v is bits 6 - 0 of the ram address.

yy 0000000v

(b)

where v is bit 15 of the ram address.

zz 0vvvvvvv(b) where v is bits 14 - 8 of the ram address. The Receive Configuration Address procedure is sent in response to a Request

Configuration Address prodcedure. This address can be used with the Request RAM Area procedudre to directly access the RAM used for configuring the DigiTech device

(implemented mainly for in-house programming).

REQ

UEST ONE PROGRAM (01h)

SYS_HEAD, 01

(h), yy, zz, F7(h)

When yy = 00(h), then zz = Program numbers 1 through 128 (00-7Fh) When yy = 01(h), then zz = Program numbers 129 through 256 (00-7Fh)

When a Request One Program procedure is received, the DigiTech device will respond with a Receive One Program procedure.

DigiTech S-DISC™ SysEx

Procedures

DigiTech S-DISC™ SysEx

Procedures

DigiTech S-DISC™ SysEx

RECEIVE ONE PROGRAM (42h)

SYS_HEAD 42(h), yy, zz, dd(1st)1dd(1st)2, ... dd(nth)1, dd(nth)2, F7(h) When yy = 00(h), then zz = Program numbers 1 through 128 (00-7Fh)

When yy = 01(h), then zz = Program numbers 129 through 256 (00-7Fh) dd(n)10000000v(b) where v is bit 7 of the nthbyte of the received program. dd(n)

0vvvvvvv(b) where v is bits 6 through 0 of the nthbyte of the received program.

The Receive One Program procedure is used to load a program into the DigiTech device. The number of program bytes to be received (n) is different for each program. If the Digitech device is sent a Receive One Program procedure where the program number is not a valid RAM destination, it will be ignored. For examples of each product's actual information format, please see Misc Information

(page 20).

REQ

UEST RAM AREA (06h)

SYS_HEAD, 06(h), bb, ww, xx, yy, zz, nn, F7(h) bb Bank number of ram being requested.

ww 0000000v

(b) where v is bit 15 of the ram address.

xx 0vvvvvvv(b) where v is bits 14 - 8 of the ram address. yy 0000000v

(b) where v is bit 7 of the ram address.

zz 0vvvvvvv(b) where v is bits 6 - 0 of the ram address. nn 1 to 7F(h), the number of ram bytes to be sent.

The Request RAM Area procedure is used to have the DigiTech device send an area of its internal ram to a host midi device. When a Request RAM Area procedure is received, the DigiTech device will respond with a Data Response procedure. Use the address information from the Receive Configuration Address procedure to identify the RAM locations which may be accessed from the various products.

Procedures

DigiTech S-DISC™ SysEx

DATA RESPONSE (10h)

SYS_HEAD, 10(h), bb, ww, xx, yy, z,z nn, dd(1st)1, dd(1st)2, ... dd(cth)1, dd(cth)2, F7(h) bb Bank number of ram being sent. Currently the bank normally used in

these DigiTech devices is 00h. ww 0000000v(b) where v is bit 15 of the ram address. xx 0vvvvvvv

(b) where v is bits 14 - 8 of the ram address.

yy 0000000v(b) where v is bit 7 of the ram address. zz 0vvvvvvv

(b) where v is bits 6 - 0 of the ram address.

nn 01(h)

to 7F(h), the number of ram bytes in this response.

dd(c)

0000000v(b) where v is bit 7 of the cthbyte being sent. dd(c)

0vvvvvvv(b) where v is bits 6 through 0 of the cthbyte being sent. The Data Response procedure is sent from a DigiTech device in response to a Request

RAM Area procedure. See the Misc Information

(page 19) for the mapped descriptions of the information in this data packet. If a Data Response procedure is received by a DigiTech device, it is ignored. However, this data could be configured for use with the

Receive RAM Area procedure.

RESET PROGRAM (20h)

SYS_HEAD, 20(h)

, F7(h)

The Reset Program procedure causes the DigiTech product to reload the current saved program and reload the fast program cache.

RESET DEVICE (21h)

SYS_HEAD, 21(h), F7(h) The Reset Device procedure causes the DigiTech device to reboot the software as if the

power had been turned off and then back on. If edits have been made to the current program without saving, they will be lost.

DigiTech S-DISC™ SysEx

Procedures

DigiTech S-DISC™ SysEx

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