UBI EasyCoder 201 IIE Manuale delle Istruzioni Scaricare il pdf (Pagina 41)

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Intermec Fingerprint v7.61 – Programmer’s Reference Manual Ed. 7 39

Chapter 2 Program Instructions

CLEAR

Field of Application

Statement clearing strings, variables, and arrays in order to free

memory space.

Syntax CLEAR

Remarks

The CLEAR statement empties all strings, sets all variables to zero, and

resets all arrays to their default values. As a result, more free memory

space becomes available.

Example

In this example, more free memory space is obtained after the strings have

been emptied by means of a CLEAR statement:

10 A$ = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"

20 B$ = "abcdefghijklmnopqrstuvwxyz"

30 FOR I%=0 TO 3:FOR J%=0 TO 3:FOR K%=0 TO 20

40 C$(I%,J%)=C$(I%,J%)+A$

50 NEXT K%:NEXT J%:NEXT I%

60 PRINT "String A before: ";A$

70 PRINT "String B before: ";B$

80 PRINT "Free memory before: ";FRE(1)

90 CLEAR

100 PRINT "String A after: ";A$

110 PRINT "String B after: ";B$

120 PRINT "Free memory after: ";FRE(1)

RUN

yields:

String A before: ABCDEFGHIJKLMNOPQRSTUVWXYZ

String B before: abcdefghijklmnopqrstuvwxyz

Free memory before: 1867368

String A after:

String B after:

Free memory after: 1876200

1 2 ... 36 37 38 39 40 41 42 43 44 45 46 ... 331 332

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UBI EasyCoder 201 IIE Manuale delle Istruzioni Pagina 41

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