Rockwell Automation 1771-DB Basic Module User Manual - Series A - Manual (Page 122)

Operating Functions
Chapter 5
5–85
5.10.3.7
Insert String in a String – CALL 66
This routine inserts a string within another string. The call expects three
arguments. The first argument is the position at which to begin the insert.
The second argument is the string number of the characters inserted into
the base string. The third argument is the string number of the base string.
This routine has no return arguments.
u10 REM SAMPLE ROUTINE TO INSERT A STRING IN A STRING
u20 STRING 500,15
u30 $(0)=“1234590”
u40 $(1)=“67890”
u50 PRINT “BEFORE: 0$=”,$(0)
u60 PUSH 6 :REM POSITION TO START THE INSERT
u70 PUSH 1 :REM STRING NUMBER OF THE STRING TO BE INSERTED
u80 PUSH 0 :REM BASE STRING NUMBER
u90 CALL 66 :REM INVOKE INSERT A STRING IN A STRING
u91 REM :REM ROUTINE
u100 PRINT “AFTER: 0$=”,$(0)
u110 END
uRUN
BEFORE: 0$=1234590
AFTER: 0$=1234567890
READY
5.10.3
String Support Calls
(continued)