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MELSEC-Q
11 INSTRUCTIONS AND FUNCTIONS
GOTO
Instruction
GOTO
• Moves the program flow to the specified line number unconditionally.
GOTO <line number>
Syntax
line number
• • • •
Specify the jump destination line number.
Examples
GOTO 100
• • • •
Moves the execution to line number 100.
Description
• The GOTO instruction moves the program flow to the specified line number
unconditionally.
• The execution moves to the line specified by <line number>.
• <line number> can also be specified by a label.
• An “Undefined line number” error occurs if a line that does not exist is specified for <line
number>.
Program Example
10 ' Repeats calculation until X reaches 4096
20 X=1
:
' Defines 1 to variable X
30 PRINT "X=";X
:
' Displays
40 X=2*X
:
' Doubles the value of X
50 IF X=4096 THEN END
:
' Ends if X=4096
60 GOTO 30
:
' Returns to line 30
RUN
X= 1
X= 2
X= 4
X= 8
X= 16
X= 32
X= 64
X= 128
X= 256
X= 512
X= 1024
X= 2048
OK
REMARK
See the FOR to NEXT, IF to THEN and IF to GOTO instructions, and Section 3.6.
