Download BASIC User`s Manual

TSC BASIC User's Manual
9.
ERROR
9.1
9.2
9.3
9.4
9.5
HANDLING
The ON ERROR Statement 47
The RESUME Statement 48
ERR and ERL Variables 48
Disabling ON ERROR 49
Error Handling Examples 49
47
10.
ADVANCED DISK CAPABILITIES
51
10.1 The EXEC Statement 51
10.2 Virtual Arrays 51
10.3 Opening a Random File 53
10.4 Using Virtual Arrays 54
10.5 Notes on Virtual Arrays 55
10.6 Extending Virtual Array Files 56
10.7 Record I/O 57
10.8 Opening Record I/O Files 57
10.9 The GET and PUT Statements 57
10.10 The FIELD Statement 58
10.11 The LSET and RSET Statements 61
10.12 The CVT Conversion Functions 62
10.13 Extending Record I/O Files 63
10.14 Record I/O Example 63
11.
THE USR FUNCTION
11.1 USR Function
11.2 Multiple USR
11.3 USR function
11.4 Multiple USR
65
for 6800 65
Functions 66
for 6809 67
Functions 68
12.
ERROR SUMMARY
69
13.
GETTING BASIC RUNNING
72
14.
RENUMBER
72
15.
ADAPTING TO YOUR SYSTEM
15.1 Adapting to your 6800 73
15.2 User noted storage 73
15.3 I/O vectors 74
15.4 User supplied BREAK routine
15.5 Adapting to your 6809 75
15.6 User noted storage 75
15.7 I/O vectors 76
15.8 User supplied BREAK routine
73
74
76
16.
ASCII CHARACTER CHART
77
17.
INDEX TO STATEMENTS AND COMMANDS
78
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