https://player.vimeo.com/video/220102534

ROUND

RO ROU ROUN ROUND  --  RO ENDWH

#100 = #101;

G65 H01 P#100 Q#101;

#100 = #101 + #102;
G65 H02 P#100 Q#101 R#102;

#101 = 10;
#102 = 5;
G00 X100. Y[#101+#102];

------------------------------

G65 H01 P#101 Q10
G65 H01 P#102 Q5
G65 H02 P#103 Q#101 R#102;
G00 X100. Y#103;

GOTO 10
G65 H80 P10
G65 H81 P1000 Q#101 R#102
(IF - THEN)
(IF - GOTO)

#100 = ROUND [#101]
#100 = RO [#101]

GOTO (conditional)
GOTO (UNconditional)

...........
.............
G00 X20.
GOTO 120
..............
..............
N120 .........
..............
M98 ..........
G65 ..........

#100 = 3; (1-5)
//////////////////////
#101 = 10;
#102 = 20;
#103 = 30;
#104 = 40;
#105 = 50;
///////////////////////
IF [#100 EQ 1] THEN #106 = #101;
IF [#100 EQ 2] THEN #106 = #102;
IF [#100 EQ 3] THEN #106 = #103;
IF [#100 EQ 4] THEN #106 = #104;
IF [#100 EQ 5] THEN #106 = #105;
GOTO #106

#100 = 50;
GOTO #100; (GOTO 50)
-------------------------------------

#100 = 5;
IF [#100 EQ 5] THEN G00 X0.Y0.;
G00 X5.Y5.;
M30;
--------------------------------------

#100 = 2;
#101 = 5;
#102 = 5;
IF [#100 EQ 2] THEN #101=0;
IF [#100 EQ 2] THEN #102=1;
G00 X#101 Y#102;
M30;

--------------------------------------
#100 = 5;
IF [#100 EQ 5] GOTO 100;
G00 X5.Y5.;
M30;
N100
G00 X0.Y0.;
M30;
--------------------------------------