Xylem STORM 3 Basic Programming manual - Manual (Page 33)

31
Commands and Functions
Begins a conditional loop encompassed by REPEAT and UNTIL. The condition is given
after the UNTIL statement and while evaluated as TRUE, will continue to iterate through the
loop. Once the UNTIL condition is evaluated as FALSE, the loop exits.
REPEAT
REM Break out of the loop when our seconds are greater than 30
x = DATETIME(SECONDS)
UNTIL (x > 30)
REPEAT
Returns control back to the calling line of a GOSUB call or a subroutine (SUB) call with an optional
value.
REM Calculate the Area of a Rectangle
height = 3
width = 4
area = calc_area(height, width) REM stores 12 in area
SUB calc_area(h, w)
a = h * w
RETURN a
END SUB
RETURN
Begins a comment extending to the end of the line. An apostrophe (“ ‘ ”) may alternatively be used
to start a comment.
REM This is a comment
‘ This is also a comment
var = 1 REM This is a valid comment
var = 2 ‘ This is also a valid comment
REM
Returns a string, starting from the right side, containing the given number of characters from the
given string.
var$ = “A1,B2,C3,D4”
cd$ = RIGHT$(var$, 5)REM sets cd$ to C3,D4
RIGHT$ (string, number)