VT220 Programmer Reference Manual

Part	Date	Title
EK-VT220-RM-001	1983-08	VT220 Programmer Reference Manual
EK-VT220-RM-002	1984-08	VT220 Programmer Reference Manual

Table of Contents (from EK-VT220-RM-001)

Chapter 1 Terminal Overview
- 1.1 General
- 1.2 Terminal Characteristics and Capabilities
  - 1.2.1 Display Characteristics and Capabilities
  - 1.2.2 Text Capabilities
- 1.3 Communication Environment
- 1.4 Major Operating States
- 1.5 Major Operating Modes
Chapter 2 Character Encoding
- 2.1 General
- 2.2 Coding Standards
- 2.3 Code Table
  - 2.3.1 7-Bit ASCII Code Table
  - 2.3.2 8-Bit Code Table
- 2.4 Character Sets
  - 2.4.1 DEC Multinational Character Set
  - 2.4.2 U.K. National Character Set
  - 2.4.3 DEC Special Graphics Set
  - 2.4.4 Down-Line Loadable Character Set
- 2.5 Control Functions
  - 2.5.1 Escape Sequences
  - 2.5.2 Control Sequences
  - 2.5.3 Device Control Strings
- 2.6 Working With 7- and 8-Bit Environments
  - 2.6.1 Conventions for Codes Transmitted to the Terminal
  - 2.6.2 Conventions for Codes Transmitted by the Terminal
- 2.7 Display Controls Mode
Chapter 3 Transmitted Codes
- 3.1 General
- 3.2 Keyboard Codes Generated
  - 3.2.1 Main Keypad
    - 3.2.1.1 Standard Keys
    - 3.2.1.2 Function Keys
  - 3.2.2 Editing Keypad
  - 3.2.3 Auxiliary Keypad
  - 3.2.4 Top-Row Function Keys
  - 3.2.5 Control Codes Generated
- 3.3 Enabling and Disabling Autorepeat
- 3.4 Keyboard Lock and Unlock
Chapter 4 Received Codes
- 4.1 General
- 4.2 Control Characters
- 4.3 Compatibility Level (DECSCL)
- 4.4 Character Set Selection (SCS)
  - 4.4.1 Designating "Hard" Character Sets
  - 4.4.2 Designating "Soft" (Down-Line Loadable) Character Sets
  - 4.4.3 Invoking Character Sets Using Locking Shifts
  - 4.4.4 Invoking Character Sets Using Single Shifts
    - 4.4.4.1 SS2 -- Single Shift G2
    - 4.4.4.2 SS3 -- Single Shift G3
- 4.5 Select C1 Controls
  - 4.5.1 Select 7-Bit C1 Control Transmission (S7C1T)
  - 4.5.2 Select 8-Bit C1 Control Transmission (S8C1T)
- 4.6 Terminal Modes
  - 4.6.1 Set Mode (SM)
  - 4.6.2 Reset Mode (RM)
  - 4.6.3 Keyboard Action Mode (KAM)
  - 4.6.4 Insert/Replacement Mode (IRM)
  - 4.6.5 Send-Receive Mode (SRM)
  - 4.6.6 Line Feed/New Line Mode (LNM)
  - 4.6.7 Text Cursor Enable Mode (DECTCEM)
  - 4.6.8 Cursor Key Mode (DECCKM)
  - 4.6.9 ANSI/VT52 Mode (DECANM)
  - 4.6.10 Column Mode (DECCOLM)
  - 4.6.11 Scrolling Mode (DECSCLM)
  - 4.6.12 Screen Mode (DECSCNM)
  - 4.6.13 Origin Mode (DECOM)
  - 4.6.14 Auto Wrap Mode (DECAWM)
  - 4.6.15 Auto Repeat (DECARM)
  - 4.6.16 Print Form Feed Mode (DECPFF)
  - 4.6.17 Print Extent Mode (DECPEX)
  - 4.6.18 Keypad Mode (DECKPAM/DECKPNM)
- 4.7 Cursor Positioning
- 4.8 Tab Stops
- 4.9 Character Rendition and Attributes
  - 4.9.1 Select Graphic Rendition (SGR)
  - 4.9.2 Select Character Attributes (DECSCA)
- 4.10 Line Attributes
  - 4.10.1 Double Height Line (DECDHL)
  - 4.10.2 Single-Width Line (DECSWL)
  - 4.10.3 Double-Width Line (DECDWL)
- 4.11 Editing
- 4.12 Erasing
- 4.13 Scrolling Margins (Top and Bottom)
  - 4.13.1 Set Top and Bottom Margins (DECSTBM)
- 4.14 Printing
- 4.15 User Defined Keys (DECUDK)
  - 4.15.1 DECUDK Device Control String Format
  - 4.15.2 Things to Keep in Mind When Loading Keys
  - 4.15.3 Examples and Recommendations for Using DECUDK
- 4.16 Down-Line Loadable Character Set
  - 4.16.1 Designing a Character Set
  - 4.16.2 Down-Line Loading DRCS Characters
  - 4.16.3 DECDLD Example
  - 4.16.4 Clearing a Down-Line Loaded Character Set
- 4.17 Reports
  - 4.17.1 Device Attributes (DA)
  - 4.17.2 Device Status Report (DSR)
  - 4.17.3 Identification (DECID)
- 4.18 Terminal Reset (DECSTR and RIS)
  - 4.18.1 Soft Terminal Reset (DECSTR)
  - 4.18.2 Hard Terminal Reset (RIS)
- 4.19 Tests and Adjustments (DECTST and DECALN)
  - 4.19.1 Tests (DECTST)
  - 4.19.2 Adjustments (DECALN)
- 4.20 VT52 Mode Escape Sequences
Appendix A VT220/VT102 Differences
Appendix B Additional VT220 Documentation

Company:	Digital Equipment Corporation
Part:	EK-VT220-RM
Keywords:
Cited by:	EK-VT220-PS-003, VT220 Pocket Service Guide EK-VT220-TM-001, VT220 Technical Manual EK-MVXAA-OM-001, MicroVAX 2000 Owner's Manual EK-VT220-UG-003, VT220 Owner's Manual EB-28761-56, Terminals & Printers Handbook 1987

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Site:	VT100.net
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VT220 Programmer Reference Manual

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Table of Contents (from EK-VT220-RM-001)