Smithy CNC Mills - Manual (Page 44)

4.2 Looping: "do", "while", "endwhile", "break", "continue"
The "while loop" has two structures: while/endwhile, and do/while. In each
case, the loop is exited when the "while"condition evaluates to false.
(draw a sawtooth shape)
F100
#1 = 0
O101 while [#1 lt 10]
G1 X0
G1 Y[#1/10] X1
#1 = [#1+1]
O101 endwhile
Inside a while loop, O- break immediately exits the loop, and O- continue imme-
diately skips to the next evaluation of the while condition. If it is still true,
the loop begins again at the top. If it is false, it exits the loop.
4.3 Conditional: "if", "else", "endif"
The "if" conditional executes one group of statements if a condition is true and
another if it is false.
(Set feed rate depending on a variable)
O102 if [#2 GT 5]
F100
O102 else
F200
O102 endif
4.4 Indirection
The O- value may be given by a parameter or calculation.
O[#101+2] call
SmithyCNC Programmer’s Reference Manual: O Codes 4-3