Rockwell-automation 1771-DB Basic Module User Manual - Series A Manual de usuario descargar pdf (Pagina 121)

Operating Functions

Chapter 5

5–84

5.10.3.6

Replace a String in a String – CALL 65

This routine replaces a string within a string. Three arguments are

expected. The first argument is the string number of the string which

replaces the string identified by the second argument string number. The

third argument is the base string’s string number. There are no return

arguments.

u10 REM SAMPLE OF REPLACE STRING IN STRING

u20 STRING 1000,20

u30 $(0)=“RED-LINES”

u40 $(1)=“RED”

u50 $(2)=“BLUE” u60 PRINT “BEFORE: $0=”,$(0)

u70 PUSH 2 :REM STRING NUMBER OF THE STRING TO REPLACE WITH

u80 PUSH 1 :REM STRING NUMBER OF THE STRING TO BE REPLACED

u90 PUSH 0 :REM BASE STRING NUMBER

u100 CALL 65 :REM INVOKE REPLACE STRING IN STRING ROUTINE

u110 PRINT “AFTER: $0=”,$(0)

u120 END

RUN

BEFORE: $=RED-LINES

AFTER: $0=BLUE-LINES

READY

5.10.3

String Support Calls

(continued)

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Rockwell-automation 1771-DB Basic Module User Manual - Series A Manual de usuario Pagina 121