Try

Disable Debug

define LOADER_USED 1
define OSC 20


trisa = %00000000
trisb = %00000000
trisc = %00000000

porta = %00000000
portb = %00000000
portc = %00000000

'Variables and Constants
counter var word 'For-Loop variable
servo var byte 'Servo output pin
'servo = portb.5


Enable Debug


'Servo movement module

spin_CCW:
counter = 0
for counter = 1 to 100
pulsout portb.5, 150
pause 20
next

spin_CW:
counter = 0
for counter = 1 to 100
pulsout portb.5, 1500
pause 20
next
goto spin_ccw
end