Private Device Control Sequences used by DEC

This page is just a rough extract from the DECronomicon. No DCS sequences are defined by ECMA-48.

No intermediate byte

Final Byte Mnemonic Description
07/00 (p) decREGIS ReGIS graphics
Present on LCG01, VK100, VT125, VT240, VT330
07/01 (q) decSIXEL Sixel graphics
Present on LA100, LA210, LA34, LA50, LA75, LCG01, LJ250, LN03, VK100, VT125, VT240, VT330, VT382, VT382-T
07/02 (r) decVKSET GIGI set-up data
Present on VK100
DECLBAN Load Banner Message
Loads the banner message to be displayed on the terminal screen at power up
Present on VT510, VT520, VT525
07/03 (s) decVKPK GIGI program keys
Present on VK100
07/04 (t) decVT105G Emulate VT105 graphics
Present on VT125
07/05 (u) decPPTL Printwheel Parameter Table Load
Present on LQP02
07/06 (v) DECLANS Load Answerback Message
Present on LA100, LA210, LCG01, VT510, VT520, VT525
07/07 (w)
07/08 (x)
07/09 (y) DECLFF Load Font File
Present on LN01, LN03, LN05, LN07, LN08
07/10 (z) decTALK DECtalk Commands and Responses
Present on DTC01, DTC03
07/11 ({) DECDLD Downline Load
Load soft character set
Present on LA75, VT220, VT240, VT320, VT330, VT382, VT382-T, VT420, VT510, VT520, VT525
07/12 (|) DECUDK User-Defined Keys
Present on VT220, VT240, VT320, VT330, VT382, VT382-T, VT420, VT510, VT520, VT525
07/13 (}) DECATFF Assign Type Family or Font
Present on LN01, LN03, LN05, LN07, LN08
07/14 (~) DECDTFF Delete Type Family or Font
Present on LN03, LN05, LN07, LN08

Intermediate byte 02/00 (SP)

No assigned functions.

Intermediate byte 02/01 (!)

Final Byte Mnemonic Description
07/00 (p)
07/01 (q) decGIDIS Enter GIDIS mode
General Image Display and Instruction Set. Present on LCP01
Present on LCG01, LCP01
07/02 (r)
07/03 (s)
07/04 (t)
07/05 (u) DECAUPSS Assign User-Preferred Supplemental Set
Present on LA75, LJ250, LN05, LN07, LN08, VT320, VT330, VT382, VT382-T, VT420, VT510, VT520, VT525
07/06 (v)
07/07 (w)
07/08 (x)
07/09 (y)
07/10 (z) DECDMAC Define Macro
Present on VT420, VT510, VT520, VT525
07/11 ({) DECSTUI Set Terminal Unit ID (Restricted)
Writes the terminal unit ID into the terminal's NVR. The host can read the ID with the tertiary device attribute (DA3)
Present on VT420, VT520, VT525
07/12 (|) DECRPTUI Report Terminal Unit Information
(to Host)
Present on VT420, VT510, VT520, VT525
07/13 (})
07/14 (~) DECCKSR Memory Checksum Report
(to Host)
Present on VT420, VT510, VT520, VT525

Intermediate byte 02/02 (")

Final Byte Mnemonic Description
07/00 (p)
07/01 (q)
07/02 (r)
07/03 (s)
07/04 (t)
07/05 (u)
07/06 (v)
07/07 (w)
07/08 (x) DECPFK Program Function Key
Present on VT510, VT520, VT525
07/09 (y) DECPAK Program Alphanumeric Key
Present on VT510, VT520, VT525
07/10 (z) DECCKD Copy Key Default
Copies the default states of a key and its key/modifier combination to another key and its key/modifier combination.
Present on VT510, VT520, VT525
07/11 ({) DECFSR Font Status Report
Present on LN03, LN05, LN07, LN08
07/12 (|)
07/13 (}) DECRPFK Report Function Key Definition
Present on VT510, VT520, VT525
07/14 (~) DECRPAK Report All Modifiers/Alphanumeric Key State
Present on VT510, VT520, VT525

Intermediate byte 02/03 (#)

No assigned functions.

Intermediate byte 02/04 ($)

Final Byte Mnemonic Description
07/00 (p) DECRSTS Restore Terminal State
Present on VT320, VT330, VT382, VT382-T, VT420, VT510, VT520, VT525
07/01 (q) DECRQSS Request Control Function Settings
Present on VT320, VT330, VT382, VT382-T, VT420, VT510, VT520, VT525
07/02 (r) DECRPSS Report Control Function Settings
(to Host)
Present on VT320, VT330, VT382, VT382-T, VT420, VT510, VT520, VT525
07/03 (s) DECTSR Terminal State Report
(to Host)
Present on VT320, VT330, VT382, VT382-T, VT420, VT510, VT520, VT525
DECCTR Color Table Report
(to Host)
Present on VT330, VT520, VT525
07/04 (t) DECRSPS Restore Presentation State
Present on VT320, VT330, VT382, VT382-T, VT420, VT510, VT520, VT525
07/05 (u) DECCIR Cursor Information Report
(to Host)
Present on VT320, VT330, VT382, VT382-T, VT420, VT510, VT520, VT525
DECTABSR Tab Stop Report
(to Host)
Present on VT320, VT330, VT382, VT382-T, VT420, VT510, VT520, VT525
07/06 (v)
07/07 (w) DECLBD Locator Button Definition
Present on VT330
07/08 (x)
07/09 (y)
07/10 (z)
07/11 ({)
07/12 (|)
07/13 (})
07/14 (~)

Intermediate byte 02/05 (%)

No assigned functions.

Intermediate byte 02/06 (&)

Final Byte Mnemonic Description
07/00 (p) DECLFM Loading Forms Sequence
07/01 (q) DECDFM Delete Forms Sequence
07/02 (r) DECIFM Start Forms Sequence
07/03 (s) DECRFMS Form Status Report
07/04 (t) DECLLG Loading Logos Sequence
07/05 (u)
07/06 (v)
07/07 (w) DECLGSR Logo Status Report
07/08 (x)
07/09 (y)
07/10 (z)
07/11 ({)
07/12 (|)
07/13 (})
07/14 (~)

Intermediate byte 02/07 (')

No assigned functions.

Intermediate byte 02/08 (()

No assigned functions.

Intermediate byte 02/09 ())

No assigned functions.

Intermediate byte 02/10 (*)

No assigned functions.

Intermediate byte 02/11 (+)

No assigned functions.

Intermediate byte 02/12 (,)

No assigned functions.

Intermediate byte 02/13 (-)

No assigned functions.

Intermediate byte 02/14 (.)

No assigned functions.

Intermediate byte 02/15 (/)

No assigned functions.

Sources

At least one reference to a Digital document is given for each entry. The following documents were used to compile these tables: