Servo troubles.

[Glenn]

That was to get a decent frame duration whatever you do with the buttons.

Seems the pot cursor is out of its lane ... or see PS !!!

Now, you should place the Max value for b1 to 200 and min value to 100 ... I know servos not responding for values out of this range.

Well but it work with the lines uncommented, and stands fairly in the middle.

I also tried three different servos.

Now ... an interesting question ...
Where do your servo take its power ???

Well, my testsetup is built on an breadboard, and the servo is connected via a pinstrip and directly to the same power as the rest of the setup, which is powered from the +5V 2A output on my lab power supply.

Btw I'm using a pickit2 from microchip to program the pic via ICSP, and its permanently connected to the pic.

PS1: you sure PORTA.0 AND PORTA.1 can't be 0 together ???

Yes, I used a switch with three positions, (on)off(on) first, but now I just use a cable directly on the breadboard.

PS2: you sure your comparators are disabled ??? ... 16F628 !!!

No idea, how do I do that ?