How do I learn exactly what the 16F887 does when given a HPWM PBP command? Seems to me the car's electronic speed control (and hence the car) reacts slower to PIC PWM signals than to radio control PWM commands.

I was wondering if throwing a LOW at the PWM output port might slow the car down quicker than just changing HPWM commands from 'forward' to 'reverse'.

Is this a potentially worthwhile path of inquiry? Something is slower than it should be and it is not the sensor trigger rate.

Ken