PWM with PIC16F88 controlling h-bridge

[deimantas]

One man in other forum told me to try this one, but still nothing :/ maybe here someone will have a clue.

MSpause var byte          ' Milliseconds between charging caps, suggest 10 to 50, even numbers 
Ctr     var byte	  ' Used in loop for 50% pwm
RunCt   var byte	  ' Used in loop
Left   var PORTB.0        ' Don't know which is which, so declare one as left.
Right  var PORTB.1        ' By default, the other is right.
SD     var PORTB.2        ' Shutdown; low=run, high=off.

ANSEL = %00000000 ' All pins changed from analogue to digital
OSCCON = $60 ' Internal clock setted to 4Mhz
TRISB = %00000000 ' All PORTB pins are outputs. 

High SD                 ' Shut down MOSFET drivers
MSpause = 50		' initialize MSPause; 50mS, this will result in about 5 seconds forwards, 
                        '   5 seconds stopped, 5 seconds reverse, 2 seconds stopped.

Loop:
       ' Start the motor turning left.  Full speed ahead!
  
        High Left	 ' Start running left...
        Low  Right       ' Set them opposite
	For RunCt = 1 to 100 ' We're going to loop 100 times, so run time will be MSpause * RunCt
           Low SD           ' Turn on MOSFET drivers
           Pause (MSpause-1) ' wait a bit...
           High SD          ' Turn off MOSFET drivers
           Pause 1          ' Charge MOSFET caps
        Next RunCt

       ' Stop the motor by giving it 50% PWM on both sides.

	For RunCt = 1 to 100 ' We're going to loop 100 times, so run time will be MSpause * RunCt
           For Ctr = 1 to (MSpause >> 1)-2  '  
              Low Right
              High Left        ' Swap direction
              Low SD           ' Turn on MOSFET drivers
              Pause 1
              High SD          ' Turn off MOSFET drivers
              High Right       ' Swap direction
              Low Left
              Low SD           ' Turn on MOSFET drivers
              Pause 1
              High SD          ' Turn off MOSFET drivers
           next Ctr
        Next RunCt

        ' Run the motor in reverse

        High Right
        Low Left
        For RunCt = 1 to 100 ' We're going to loop 100 times, so run time will be MSpause * RunCt
           For Ctr = 1 to (MSpause >> 1)-2  '  
              Low SD           ' Turn on MOSFET drivers
              Pause MSpause    ' delay for a bit
              High SD          ' Turn off MOSFET drivers
              Pause 1
           next Ctr
        next RunCt

	' Driver is shut down, let's just pause for 2 seconds
        Pause 1000
        Pause 1000

        goto Loop      ' do forever
END

But as i read this code and i dont get it why it dont work ;/ it looks everything logically. I meassured pins wile working, and it works good i think, RB0 - 5V after some time it drops to 2.5V and when to zero and RB1 opposite. But RB2 got only 0.12V all time.