Rockwell-automation 1771-DB BASIC MODULE Manual de usuario descargar pdf (Pagina 255)

100

101

Chapter

Call Routines 0–68

12 -65

Use this routine to insert a string within another string.

Input and Output Arguments

This routine has three input arguments and no output arguments. The first

argument is the position at which to begin the insert. The second argument

is the string number of the characters you want to insert into the base

string. The third argument is the string number of the base string.

Syntax

PUSH position to begin insert

PUSH

string number of characters to be inserted

PUSH

base string number

CALL

Example

10 REM SAMPLE ROUTINE TO INSERT A STRING IN A STRING

20 STRING 500,15

30 $(0)+“1234590”

40 $(1)+“67890”

50 PRINT “BEFORE: 0$=”,$(0)

60 PUSH 6 :REM POSITION TO START THE INSERT

70 PUSH 1 :REM STRING NUMBER OF STRING TO INSERT

80 PUSH 0 :REM BASE STRING NUMBER

90 CALL 66 :REM INVOKE INSERT A STRING IN A STRING

91 REM: REM ROUTINE

100 PRINT “AFTER: 0$=”,$(0)

110 END

>RUN

BEFORE: 0$=1234590

AFTER: 0$=123456789090

CALL 66: Insert String in a

String

1 2 ... 250 251 252 253 254 255 256 257 258 259 260 ... 393 394

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