J

First outer loop index. When loops are nested, this pushes the value of the first (or only) outer “do” loop onto the stack. Do not use outside nested loops.

Note: after the inner loop finishes, this value is accessed with I, it being now the innermost loop.

do(6 5)
    do(4 3)
        trace4 ("Inner loop J=" J ", I=" I)
    loop
     trace2 (" I =" I) #note: The value og I here will be the value of J when the loop above has terminated.
loop

⇐ Index