NSB8 Datasheet, PDF (8/158 Pages) List of Unclassifed Manufacturers – BASIC interpreter for Z80 family

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ITALIAN TECHNOLOGY
FOR LOOP NESTING ............................................................................................................ 91
THE OPTIONAL CONTROL VARIABLE IN NEXT ......................................................... 92
USING EXIT ............................................................................................................................ 92
EXITING FROM NESTED LOOPS ..................................................................................... 93
SUBROUTINES ......................................................................................................................... 94
FILES ........................................................................................................................................... 96
FILE NAMES .......................................................................................................................... 96
FILE SIZES (LENGTHS) ...................................................................................................... 97
FILE TYPES ............................................................................................................................ 97
OPENING FILES .................................................................................................................... 97
CLOSING FILES .................................................................................................................... 97
TYPES OF DATA ELEMENTS IN FILES ........................................................................... 98
DATA ACCESS ........................................................................................................................ 98
SEQUENTIAL ACCESS ......................................................................................................... 98
APPENDING TO SEQUENTIAL FILES ........................................................................ 100
SEQUENTIAL BYTE ACCESS ........................................................................................ 100
RANDOM DATA ACCESS ................................................................................................... 101
MACHINE LANGUAGE SUBROUTINES ........................................................................... 103
CHAINING (AUTOMATIC PROGRAM SEQUENCING) ................................................. 105
COMMUNICATION BETWEEN CHAINED PROGRAMS ........................................... 105
TESTING FOR A SAFE CHAIN ......................................................................................... 105
ERROR TRAPPING AND RECOVERY ............................................................................... 106
THE LINE EDITOR ................................................................................................................ 108
NSB8 INTERNAL EDITOR ................................................................................................. 108
THE EDIT COMMAND ....................................................................................................... 109
LINE EDITOR SPECIFICS AND FUNCTIONS ............................................................... 110
CONTROL-G: COPY REST OF OLD LINE TO END OF NEW LINE ...................... 110
CONTROL-A: COPY ONE CHARACTER FOM OLD LINE ..................................... 110
CONTROL-Q: BACK UP ONE CHARACTER ..............................................................111
CONTROL-Z: ERASE ONE CHARACTER FOM OLD LINE ....................................111
CONTROL-D: COPY UP TO SPECIFIED CHARACTER ...........................................111
CONTROL-Y: SWITCH SPECIAL INSERT MODE ON AND OFF ............................111
CONTROL-N: CANCEL AND REEDIT NEW LINE .................................................... 112
COMPATIBILITY WITH OTHER BASICS ........................................................................ 113
STRING HANDLING ........................................................................................................... 113
ARRAY OF STRINGS .......................................................................................................... 113
STRING DECLARATIONS ................................................................................................. 113
INPUT TRANSLATION ....................................................................................................... 113
BCD ARITHMETIC ............................................................................................................. 114
IF ... THEN EVALUATION .................................................................................................. 114
Page IV
NSB8
Rel. 5.10