M66 not waiting on input

# --- spindle tool signal ---
net spindle-tool-secured and2.10.in0 motion.digital-in-00 <= hm2_5i25.0.7i76.0.0.input-24
net spindle-tool-open motion.digital-in-01 <= hm2_5i25.0.7i76.0.0.input-25

# ===============
# rack tool changer
[TC]
# this is not named TOOL_CHANGE_POSITION on purpose - canon uses it and will
# interfere

X = 3.0
Y = 3.0
Z = -5.0

X_CLEAR_DELTA = 5.0
Y_CLEAR_DELTA = 0.0
Z_CLEAR = 0.0

#tool slot delta
X_DELTA = 0.0
Y_DELTA = 3.0
Z_DELTA = 0.0

RELEASE_DELAY = 0.5
CAPTURE_DELAY = 1.0
SIGNAL_DELAY = 0.5
TOOL_CONFIRM_DELAY = 20

# motion.digital-out-NN pins power draw bar
PDB = 0
TOOL_IN_SPINDLE = 0
DB_RELEASED = 1

; parameter: current tool
o<get_tool> sub  
G90
; value of this pin read is stored in #5399
M66 P#<_ini[TC]TOOL_IN_SPINDLE> L0
o100 if [EXISTS[#<_ini[TC]X>] AND [#5399 EQ 0]]
     g53 g0 Z #<_ini[TC]Z_CLEAR>
     g53 g0 X [#<_ini[TC]X> + #1 * #<_ini[TC]X_DELTA>] Y [#<_ini[TC]Y> + #1 * #<_ini[TC]Y_DELTA>]
     
     ;release tool and confirm
     M64 P#<_ini[TC]PDB> 
     M66 P#<_ini[TC]DB_RELEASED> L3 Q#<_ini[TC]TOOL_CONFIRM_DELAY> 
     M66 P#<_ini[TC]TOOL_IN_SPINDLE> L4 Q#<_ini[TC]TOOL_CONFIRM_DELAY> 
     G4 P#<_ini[TC]SIGNAL_DELAY> 
     
     g53 g0 Z [#<_ini[TC]Z> + #1 * #<_ini[TC]Z_DELTA>]
     
     ;capture tool and wait for confirmation
     M65 P #<_ini[TC]PDB> 
     M66 P#<_ini[TC]DB_RELEASED> L4 Q#<_ini[TC]TOOL_CONFIRM_DELAY> 
     M66 P#<_ini[TC]TOOL_IN_SPINDLE> L3 Q#<_ini[TC]TOOL_CONFIRM_DELAY> 
     G4 P #<_ini[TC]SIGNAL_DELAY> 
     
     g53 g0 X [#<_ini[TC]X> + #1 * #<_ini[TC]X_DELTA> + #<_ini[TC]X_CLEAR_DELTA>]
     g53 g0 Y [#<_ini[TC]Y> + #1 * #<_ini[TC]Y_DELTA> + #<_ini[TC]Y_CLEAR_DELTA>]
     g53 g0 Z #<_ini[TC]Z_CLEAR>

o100 endif
o<get_tool> endsub  

m2