Fusion360 post processor and G76 threading not generating

G0 G40 G18 G80  G21 G49 G95
G90 G7 

F1.5 S470

M3
G4 P1
M7
(Change the fist X to the Dia  P = the Pitch   K = Thread depth)
G0 X10 Z10
G76  P1.5  Z-12  I-0.1 J0.1  R1  K1.5  Q29.5 L0  H1

g0 X30
g0 Z50

M9
M5
M2
%

%
(THREAD1)

#<_Diameter>=0.5          (Initial position, Driveline)
#<_Z_LeadIn>=0.05         (Frontside Stock Offset)
#<_Pitch>=0.03571         (Thread Pitch 1/TPI)
#<_Z_Finish>=-0.5         (Lenght of threads from Z0)   
#<_PeakOffset>=-0.003     (Major Diameter - Driveline, !0, Negative for External, Positive for Internal Thread )
#<_First_Cut_Depth>=0.01  
#<_Depth_Regression>=1.5  (1.0 = constant depth, 2.0 = constant area, values between have decreasing depth but increasing area)
#<_ThreadDepth>=0.0425    (Set to Diameter Mode, Major diameter - Minor diameter)
#<_CompoundSlideAngle>=0
#<_Spring_Passes>=2
#<_TaperAmount>=0
#<_TaperType>=0
#<_X_End_Position>=1      (Retract X position after complete)

#<_FeedSP>=0.03571
#<_SpeedSP>=250 

N10 G18 G20 G40 G49       (XZ Plane select, Units Inch, Cutter Compensation Off, Tool Offset Cancel)
N11 G54 G80 G90 G95       (Work Offset, Cancel Motion Mode, Absolute Distance Mode, Feed per Revolution)
N12 G7                    (Diameter Mode)
N15 F#<_FeedSP> S#<_SpeedSP> M3
N20 G4 P10                (Dwell P= Time in seconds)
N25 M7

N30 G0 X#<_Diameter> Z#<_Z_LeadIn>
N35 G76 P#<_Pitch> Z#<_Z_Finish> I#<_PeakOffset> J#<_First_Cut_Depth> R#<_Depth_Regression> K#<_ThreadDepth> Q#<_CompoundSlideAngle> H#<_Spring_Passes> L#<_TaperType>
N40 G00 X#<_X_End_Position>

N45 M5                   (Spindle Stop)
N46 M30                  (Program End)
%