ProSoft Technology MVI56-BAS - Manual (Page 210)

BASIC-52 Implementation MVI56-BAS ♦ ControlLogix Platform
User Manual BASIC Module (DB/BAS Compatible)
Page 210 of 234 ProSoft Technology, Inc.
December 13, 2011
10.2 Control Expressions
10.2.1 IF-THEN-ELSE
Sets up a conditional test.
Syntax:
IF condition THEN action1 ELSE action2
Example:
IF A>0 THEN B=0 ELSE B=1
10.2.2 DO-UNTIL
Sets up a loop control until the condition specified in the UNTIL operator is not
satisfied.
Syntax:
DO action UNTIL condition
Example:
10 A=1
20 DO
30 PRINT A
40 A=A+2
50 UNTIL A>20
10.2.3 DO-WHILE
Sets up a loop control while the condition specified in the WHILE operator is
satisfied.
Syntax:
DO action WHILE condition
Example:
10 A=1
20 DO
30 PRINT A
40 A=A+2
50 WHILE A<20