;boring

O<boring> sub

G8 ; Radius mode (easier maths)
G18 ; XZ Plane
G21 ; Metric Units
G90 ; Absolute Distance
G91.1 ; but not for arcs

M6 T#8 G43

#1 = [#1 / 2] ; because of radius mode

#14 = [#<_x>] (starting X)
#13 = #<_z> (starting Z)

#20 = [#6 * SIN[#7]]
#21 = [-#6 * COS[#7]]
#22 = [#6 / COS[#7]]
#23 = [#5 + #6 - #20]
#24 = [[#23 - #13] * TAN[#7]]


G96 D1500 S#2 ; Constant Surface Speed Mode
m3 ;Start Spindle
g95 F#4 ; Feed-Per-Rev Mode

g4p1 ; Wait to reach speed

	(debug, Boring finish dia #1 start  dia #14 start length #13 finish length #5)
	O100 WHILE [#14 LT [#1 - #3]]
        g0 X #14
	#14=[#14 + #3]
	G1 X #14
	G1 Z #23 X[#14 + #24]
        O101 IF [#6 GT 0]
                G3 Z#5 X[#14 + #24 + #21] I#21 K#20
		G1 X[#14 + #24 + #21 - #3]
        O101 ELSE
	        G1 X[#14 + #24 - [#3 * 1.5]]
        O101 ENDIF
	G0 Z[#13]
	O100 ENDWHILE

	G0 x#1
	G1 Z #23 X[#1 + #24]
        O102 IF [#6 GT 0]
                G3 Z#5 X[#1 + #24 + #21] I#21 K#20
		G1 X[#1 + #24 + #21 - #3]
        O102 ELSE
	        G1 X[#1 + #24 - #3]
        O102 ENDIF
	G0 Z #13
	G0 X #1 ; For touch-off
        M5
	G7
O<boring> endsub

M2