KBPATN = 0x03;	
KBMASK = 0x03;
KBCON = 0x00;  // KBIF gets set after this line
KBCON &= ~0x01; // I try to clear it but it does not.
                // therefore, EKBI is always set and creating 
                // erroneous interrupts. 
                // pins 0 & 1 on port 0 are low (input) when   
                // this happens.