Metrologic IS1000 Series Guía de usuario Pagina 87

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Chapter
5
BASIC
Commands
81
Remarks
By calling this function, the data queuing in the keyboard buffer will be cleared.
Example
CLR_KBD
ON KEY(1) GOSUB KeyData_1
...
See Also
INKEY$, PUTKEY
FUNCTION_TOGGLE Optimus
Purpose
To set the state of function toggle.
Syntax
FUNCTION_TOGGLE(status%)
Remarks
"status%" is an integer variable, indicating the state of the function toggle.
Value Meaning
0
1
Off
On
Example
FUNCTION_TOGGLE(1) ' turn on the function toggle
GET_ALPHA_LOCK
Purpose
To get alpha-lock status.
Syntax
A% = GET_ALPHA_LOCK
Remarks
"A%" is an integer variable to be assigned to the result.
Example
Alpha_lock% = GET_ALPHA_LOCK
See Also
ALPHA_LOCK
INKEY$
Purpose
To read one character from the keyboard buffer and then remove it.
Syntax
X$ = INKEY$
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