ProSoft Technology MVI56-BAS - Manual (Page 206)

BASIC-52 Implementation MVI56-BAS ♦ ControlLogix Platform
User Manual BASIC Module (DB/BAS Compatible)
Page 206 of 234 ProSoft Technology, Inc.
December 13, 2011
Operator /
Statement Description Example
ERRCODE Returns the last error code since the
beginning of the program or the last
CLRERR call
10 ONERR 5000
…
5000 E = ERRCODE
ERRLINE Returns the line number where the
last error occurred since the beginning
of the program or the last CLRERR
call
10 ONERR 5000
…
5000 L = ERRLINE
EXIT EXIT BASIC to the DOS command
prompt.
EXIT
EXPORT Saves the current RAM program to
the Compact Flash
EXPORT "test.bas"
FOR/TO/STEP Control program loops E=0:B=10: G=1
FOR A=E to C STEP G
GOTO GOTO forces the next BASIC line to
be executed to change to the line
specified.
GOTO 500
GOSUB GOSUB forces the next BASIC line to
be executed to change to the line
specified. The program returns to the
most recently executed GOSUB
statement once it finds a RETURN
statement
GOSUB 100
IDLE Halts the program execution until an
ONTIME condition is met
10 TIME = 0
20 CLOCK1
30 ONTIME 2, 70
40 IDLE
50 PRINT "END TEST"
60 END
70 PRINT "TIMER INTERRUPT AT -"
80 RETI
IF/THEN/ELSE Set up a conditional test 10 IF A<>8 GOTO 20
ELSE GOTO 30
20 PRINT "NOT 8"
30 PRINT "IS 8"
INPL Reads an entire line from the program
port buffer
INPL $(0)
INPL# $(1)
INPL@ $(0), 1
INPS Reads an entire string of characters INPS $(0),1
INPUT Enter data from the console device
during program execution
INPUT A
LD_AT Retrieves a floating-point value that
was stored using a ST_AT()
10 LD_AT(A)
20 POP X
30 PRINT X
LET Assign a value to a variable. The LET
statement is optional in BASIC.
LET A = 1
A = 25 * A
LIST