Contents

List of tables 5

List of figures 6

Summary of changes 7

1 Service terminal commands 11

1.1 Handling of addresses 15

2 Command language utilities 17

2.1 Text parameters 18

2.2 Variables 18

2.3 Status bytes 19

2.4 Memory reference 19

2.5 Message reference 20

2.6 I/O reference 21

2.7 Assignment instruction 22

2.8 Symbolic addresses 23

2.9 GOTO instruction 24

2.10 IF instruction 24

2.11 DELAY instruction 25

2.12 WAIT instruction 25

2.13 PRINT instruction 26

2.14 CALL instruction 26

2.15 JUMP instruction 27

2.16 END instruction 28

2.17 TRACE instruction 28

2.18 NOTRACE instruction 28

2.19 Program examples 29

3 Main level menus 31

4 A: ANALYSER 33

5 B: DEFINE ENVIRONMENT 47

6 C: COMMAND LANGUAGE UTILITIES 49

7 D: MEMORY AND I/O HANDLING 61

8 E: EXIT DEBUGGER SESSION 75

9 L: EXTENSION HANDLING 77

10 O: OPERATING SYSTEMS COMMANDS 79

11 R: REMOTE DEBUGGER HANDLING 101

12 S: SYSTEM MONITORING 109

13 T: TERMINAL HANDLING 125