
ITALIAN TECHNOLOGY
grifo
Page V
NSB8 Rel. 5.10
SPECIAL ENTRY POINTS .................................................................................................... 115
PERSONALIZING BASIC ..................................................................................................... 116
1 MEMORY SIZE ................................................................................................................. 117
2 SETTING A VARIABLE TO BASIC ORIGIN ............................................................... 117
3 LINE LENGTH .................................................................................................................. 117
4 VIDEO PAGING ................................................................................................................ 118
5 BACKSPACE CHARACTER ........................................................................................... 118
6 CONTROL-C INHIBIT..................................................................................................... 119
7 NON STANDARD BOOTSTRAP PROM........................................................................ 119
8 SHRINKING BASIC.......................................................................................................... 119
9 PROGRAM AUTOSTART................................................................................................ 120
A CHART FOR READY REFERENCE ............................................................................. 121
NON STANDARD VERSIONS OF BASIC ........................................................................... 122
ABOUT NON STANDARD VERSIONS OF BASIC ......................................................... 122
DIFFERENT ORIGIN .......................................................................................................... 122
DIFFERENT PRECISIONS................................................................................................. 122
IMPLEMENTATION NOTES ................................................................................................ 123
DISKETTE DATA STORAGE FORMATS ........................................................................ 123
FILE BUFFER SIZES, LIFETIMES OF BUFFERS......................................................... 124
PRINT HEAD TABLE .......................................................................................................... 124
FILE HEADER TABLE........................................................................................................ 124
BASIC PROGRAM PRE PROCESSING........................................................................... 124
THE INTERNAL FORM OF A PROGRAM...................................................................... 125
USE OF RAM DURING PROGRAM EXECUTION........................................................ 125
ERROR MESSAGE ................................................................................................................. 126
APPENDIX A: COMMAND FILE FOR GDOS 80 ..............................................................A-1
APPENDIX B: QUICK REFERENCE .................................................................................. B-1
FLAGS AND PARAMETER................................................................................................ B-1
MEMORY SIZE SETTING ................................................................................................. B-1
INSTRUCTION CODES TABLE........................................................................................ B-2
SOURCE FILE SYNTAX ..................................................................................................... B-3
DATA FILE SYNTAX ........................................................................................................... B-3
ARITHMETIC OPERATORS ............................................................................................. B-3
RELATIONALS OPERATORS........................................................................................... B-3
BOOLEAN OPERATORS.................................................................................................... B-4
OPERATORS ORDER OF EVALUATION ....................................................................... B-4
FORMATTED PRINTING .................................................................................................. B-4
LINE EDITOR....................................................................................................................... B-4
INTERNAL FUNCTIONS.................................................................................................... B-5
MATHEMATIC FUNCTIONS ......................................................................................... B-5
STRING FUNCTIONS ...................................................................................................... B-5
INPUT OUTPUT FUNCTIONS........................................................................................ B-5