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A Sample DECTPU Procedures
A.1 Line-Mode Editor ............................................ A–1
A.2 Translation of Control Characters ............................... A–2
A.3 Restoring Terminal Width Before Exiting from DECTPU ............. A–6
A.4 Running DECTPU from an OpenVMS Subprocess . . . ............... A–7
B DECTPU Terminal Support
B.1 Using Screen-Oriented Editing on Supported Terminals .............. B–1
B.1.1 Terminal Settings on OpenVMS Systems That Affect DECTPU ..... B–1
B.1.2 SET TERMINAL Command . ................................ B–3
B.2 Using Line-Mode Editing on Unsupported Terminals . ............... B–3
B.3 Using Terminal Wrap . ........................................ B–3
C DECTPU Debugger Commands
Index
Examples
1–1 Sample User-Written Procedure .............................. 1–7
2–1 DCL Command Procedure FILENAME.COM .................... 2–4
2–2 DCL Command Procedure FORTRAN_TS.COM . . ............... 2–4
2–3 DCL Command Procedure INVISIBLE_TPU.COM ............... 2–5
2–4 DECTPU Command File GSR.TPU ........................... 2–5
3–1 Suppressing the Addition of Padding Blanks .................... 3–10
4–1 Global and Local Variable Declarations . ....................... 4–5
4–2 Global and Local Constant Declarations ....................... 4–6
4–3 Procedure That Uses Relational Operators on Markers ............ 4–11
4–4 Simple Procedure with Parameters ........................... 4–16
4–5 Complex Procedure with Optional Parameters ................... 4–17
4–6 Procedure That Returns a Result ............................. 4–18
4–7 Procedure Within Another Procedure . . . ....................... 4–18
4–8 Recursive Procedure ....................................... 4–19
4–9 Procedure That Uses the CASE Statement ..................... 4–22
4–10 Procedure That Uses the ON_ERROR Statement . ............... 4–24
4–11 Procedure with a Case-Style Error Handler ..................... 4–26
4–12 Procedure That Returns a Value ............................. 4–28
4–13 Procedure That Returns a Status ............................. 4–29
4–14 Using RETURN in an ON_ERROR Section ..................... 4–29
4–15 Simple Error Handler ..................................... 4–30
5–1 SHOW (SUMMARY) Display ................................ 5–2
5–2 Syntax of a DECTPU Program ............................... 5–3
5–3 Sample DECTPU Programs . ................................ 5–4
5–4 Sample Program for a Section File ............................ 5–20
5–5 Source Code for Minimal Interface to DECTPU . . . ............... 5–22
5–6 Command File for GOTO_TEXT_MARKER ..................... 5–25
5–7 SHOW DEFAULTS BUFFER Display . . ....................... 5–27
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