Denso BHT-200QW Specifikace Strana 328

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FREe area Memory management function
FRE
Returns the number of bytes available in a specified area of the memory.
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Syntax:
Syntax:Syntax:
Syntax:
FRE(areaspec)
Parameter:
Parameter:Parameter:
Parameter:
areaspec
A numeric expression which returns a value from 0 to 3.
Description:
Description:Description:
Description:
FRE returns the number of bytes left unused in a memory area specified by areaspec
listed below.
areaspec
Memory area
0
Array work variable area
1
File area
2
Operation stack area for the Interpreter
The file area will be allocated to data files and program files in cluster units. The FRE
function returns the total number of bytes of non-allocated clusters. (For details about a
cluster, refer to Appendix F, "Memory Area.")
• The operation stack area for the Interpreter is mainly used for numeric operations, string
operations, and for calling user-defined functions.
A returned value of this function is a decimal number.
Run
RunRun
Run-
--
-time errors:
time errors:time errors:
time errors:
Error code Meaning
05h
Parameter out of the range
(areaspec is out of the range.)
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