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nc_files/macros.md

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+# Modes
+Default mode (0) is:
+- Climb milling
+- One-way milling
+- Helix entry
+- Inside
+
++1: Conventional milling
++2: Both-ways milling
++4: Plunge entry
++8: Outside
+
+# Fun stuff
+
+Specifying a negative finish cut should cause macros to do all the roughing and leave the (positive) amount of material behind for a separate finishing op.
+
+# Typical Header
+```
+#<_z_clearance> = 0.0 ; clearance height
+#<_rampang>     = 5.0 ; ramp angle in degrees for helical entry
+
+G10 L1 P1 Z0.0 R0.25 ; set tool P1 to Z-offset Z0.0 and radius R0.25
+T1   ; set tool to T1
+M06  ; manual toolchange
+
+M101 ; enable z-axis
+G90  ; absolute coordinates
+G54  ; fixture #1
+
+F5.0 ; feedrate
+```
+
+
+# Material removal
+
+o<pocket_rect> call
+o<pocket_circ> call
+
+o<frame_rect>  call
+o<frame_circ>  call
+
+o<slot> call [x1][y1] [x2][y2] [width] [ztop][zbot] [finishcut]
+o<bore> call [x][y] [stepdown] [ztop][zbot]
+
+# Drilling
+
+o<drill>      call [x][y] [ztop][zbot] [(peck)]; fully automoatic drilling op; drills at x,y from ztop to zbot in optional increments of peck (full retraction)
+
+o<drill_man>  call [x][y] ; fully manual drilling op; z axis entirely disabled
+o<drill_retr> call [x][y] ; semi-manual drilling op; z axis retracts, but disabled on downstroke
+
+# Footer
+```
+M2 ; end program
+```