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CHAPTER 7
Command Reference
BEEP [(?])
Function:
Generates a beep sound.
Parameter:
0: Low sound
1: High sound
0 is taken by defauit.
Explanation:
1) Generates a high or low beep sound.
2) Can be executed both manually and in a program.
Example:
1@
BEEP: 1INPUT"N=",N
2@
FOR
B=1
TO.N
3@
BEEP
@:BEEP
1:PRINT:PRINT
Bs
4@
NEXT
B
5@
PRINT:GOTO
18
*Beep sounds are generated number of times specified.
164
7-2
Program Commands
D E F M
[Number of variables to be added]
®
Numeric expression
Function:
Changes from DIM mode to DEFM mode.
Provides variable expansion.
Parameter:
Number of added variables:
Numeric
expression. Values below the decimal
point are discarded. Can be omitted.
0 < Number of added variables < 1948
Explanation:
1) Expands the number of variables.
The arrays defined in the DIM mode will be cleared at this time.
2) Number of added variables can be specified according to the number of
remaining bytes.
3) The free area for programs and DATA BANK decreases eight bytes for each
variable expansion.
4) Added variables are used as array variables.
5) When the number of added variables is omitted after DEFM, the number of
currently specified variables is displayed.
6) Can be executed both manually and in a program. When executed manually,
the newly specified status (number of added variables + 26 basic variables) is
displayed. When executed in a program, the newly specified status is not
displayed.
7) An error (Error 1) will occur if an attempt is made to expand the variables
beyond the number of remaining bytes in the free area.
8) Specification of expansion will be retained even if the power is turned off.
Execute DEFM 0 to cancel the variable expansion and return to the 26 basic
variables.
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