261
• When using the
ON
KEY
...
GOSUB
statement together with block-structured state-
ments (
DEF
FN
...
END
DEF
,
FOR
...
NEXT
,
FUNCTION
...
END
FUNCTION
,
IF
...
THEN
...
ELSE
...
END
IF
,
SELECT
...
CASE
...
END
SELECT
,
SUB
...
END
SUB
and
WHILE
...
WEND
), you can nest them to a maximum of 30 levels.
• Specifying 32 to
keynumber
will be ignored.
Syntax errors:
Run-time errors:
Reference:
Error code and message
Meaning
error 71: Syntax error
•
label
has not been defined.
•
label
is missing.
•
keynumber
is not enclosed in
parentheses ( ).
Error code
Meaning
05h
Parameter out of the range
(
keynumber
is out of the range.)
07h
Insufficient memory space
(The program nesting by
GOSUB
statements is too deep.)
Statements:
KEY, KEY
OFF,
and
KEY
ON
Summary of Contents for BHT-BASIC 100 SERIES
Page 1: ......
Page 161: ...153 Chapter 10 Sleep Function CONTENTS 10 1 Sleep Function 154...
Page 163: ...155 Chapter 11 Resume Function CONTENTS 11 1 Resume Function 156...
Page 173: ...165 Chapter 13 Backlight Function CONTENTS 13 1 Backlight Function 166...
Page 249: ...241 Example CLOSE IF kyIn Y THEN KILL Master Dat END IF Reference Statements CLFILE...
