o<end_cope> sub
	; o<cope_angle> call [direction] [x][y] [d] [ztop][zbot] [fincut] [mode]

	; right now only 0 and 2 work but hey that's most of what you'd do
	; 0: +x side
	; 1: +y side
	; 2: -x side
	; 3: -y side

	;G10 L0 ; re-read tool data
	G90	  ; absolute x,y,z
	G90.1 ; absolute i,j,k
	M101  ; enable Z-axis (M102 disables)
	G17   ; select XY plane for arcs

	#<M_CONVENTIONAL> = [FIX[#8/1] MOD 2 EQ 1]
	#<M_BOTHWAYS>     = [FIX[#8/2] MOD 2 EQ 1]
	#<M_PLUNGE>       = [FIX[#8/4] MOD 2 EQ 1]
	#<M_OUTSIDE>      = [FIX[#8/8] MOD 2 EQ 1]
	#<M_CLIMB>        = [FIX[#8/1] MOD 2 EQ 0]
	#<M_ONEWAY>       = [FIX[#8/2] MOD 2 EQ 0]
	#<M_HELIX>        = [FIX[#8/4] MOD 2 EQ 0]
	#<M_INSIDE>       = [FIX[#8/8] MOD 2 EQ 0]


	#<td> = #5410
	#<tr> = [#<td>/2]
	o1 if [EXISTS[#<_z_clearance>]]
		#<z_clearance> = #<_z_clearance>
	o1 else
		#<z_clearance> = #5
	o1 endif
	o3 if [EXISTS[#<_stepover>]]
		#<stepover> = #<_stepover>
	o3 else
		#<stepover> = [#<td>*0.4]
	o3 endif
	o4 if [EXISTS[#<_overlap>]]
		#<overlap> = #<_overlap>
	o4 else
		#<overlap> = [#<stepover>*0.4]
	o4 endif

	G0 Z#<z_clearance>

	#<cs> = -1
	o10 if [#<M_CLIMB>]
		#<cs> = +1
	o10 endif

	; angle is #1
	; center is #2, #3

	;G0 X[#2+#<td>*COS[#1]] Y[#3+#<td>*SIN[#1]]
	;G1 X[#2] Y[#3]

	#<l_total> = [#4/2 - #<tr> - ABS[#7]]
	#<l_steps_total> = FUP[[#<l_total>-ABS[#7]]/#<stepover>]
	#<l_steps>       = [#<l_steps_total>-1]


	#<r> = [#<l_total> - #<l_steps>/#<l_steps_total>*#<l_total>*1.1]
	G0 X[#2+COS[#1+90]*#<r>+COS[#1]*#<stepover>] Y[#3+SIN[#1+90]*#<r>+SIN[#1]*#<stepover>]
	G0 Z#5
	G1 Z#6

	o101 while [#<l_steps> GE 0]
		#<r> = [#<l_total> - #<l_steps>/#<l_steps_total>*#<l_total>*1.1]

		G0 X[#2+COS[#1+90*#<cs>]*#<r>+COS[#1]*#<stepover>] Y[#3+SIN[#1+90*#<cs>]*#<r>+SIN[#1]*#<stepover>]
		G1 X[#2+COS[#1+90*#<cs>]*#<r>] Y[#3+SIN[#1+90*#<cs>]*#<r>]
		o111 if [#<M_CLIMB>]
			G3 X[#2+COS[#1-90*#<cs>]*#<r>] Y[#3+SIN[#1-90*#<cs>]*#<r>] I#2 J#3
		o111 else
			G2 X[#2+COS[#1-90*#<cs>]*#<r>] Y[#3+SIN[#1-90*#<cs>]*#<r>] I#2 J#3
		o111 endif
		G1 X[#2+COS[#1-90*#<cs>]*#<r>+COS[#1]*#<stepover>] Y[#3+SIN[#1-90*#<cs>]*#<r>+SIN[#1]*#<stepover>]

		#<l_steps> = [#<l_steps> - 1]
	o101 endwhile

	o102 if [#7 GT 0]
		#<r> = [#4/2 - #<tr>]
		G0 X[#2+COS[#1+90*#<cs>]*#<r>+COS[#1]*#<stepover>] Y[#3+SIN[#1+90*#<cs>]*#<r>+SIN[#1]*#<stepover>]
		G1 X[#2+COS[#1+90*#<cs>]*#<r>] Y[#3+SIN[#1+90*#<cs>]*#<r>]
		o112 if [#<M_CLIMB>]
			G3 X[#2+COS[#1-90*#<cs>]*#<r>] Y[#3+SIN[#1-90*#<cs>]*#<r>] I#2 J#3
		o112 else
			G2 X[#2+COS[#1-90*#<cs>]*#<r>] Y[#3+SIN[#1-90*#<cs>]*#<r>] I#2 J#3
		o112 endif
		G1 X[#2+COS[#1-90*#<cs>]*#<r>+COS[#1]*#<stepover>] Y[#3+SIN[#1-90*#<cs>]*#<r>+SIN[#1]*#<stepover>]
	o102 endif
	


	G0 Z#<z_clearance>

o<end_cope> endsub

M2