we had update library for keypad
def mikroc compiler built in working as:
tris_port = 0x0f;
new function working a :
tris_port = 0xf0;
you can use this function if there is lcd in the same port
_KEYPAD_C

/*
 * Description:
 *   <library for working with 4x4 keypad; routines can also
 *    be used with 4x1, 4x2, or 4x3 keypad.>
 *  NOTES:
 *   < It supports keypads with 1 to 4 rows and 1 to 4 columns >
 *  Revision History:
 *   <1.0.0> -
 
 * Author : a.a.b
 *  Test configuration:
     Dev.Board:       b.r.v
     Ext. Modules:    x
     SW:              mikroc compiler v6.2.1
 */
#ifndef _KEYPAD_C
#define _KEYPAD_C
#include "keypad.h"
//////////////////////////////////////////////////////////////////
#define _TRISTATE  0x80
#define _PORT_STATE  0xf0
//////////////////////////////////////////////////////////////////
char *tmp_keypad_pointer = 0;
//////////////////////////////////////////////////////////////////
 // function def //
 
//////////////////////////////////////////////////////////////////
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// ---++++++++++     void _Keypad_Init(char *port)     +++++++++++
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++
//  Arguments: <char *port>  Returns: <void>
//  NOTES:     <Initializes port to work with keypad.
// The function needs to be called before using other routines
// from Keypad library.
// Requires : include header file  keypad.h  
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
//  
 void _Keypad_Init(char *port)
 {
 tmp_keypad_pointer = port;
  port+= _TRISTATE; 
 *port = _PORT_STATE;
 }
// END FUNCTION < _Keypad_Init >
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
//////////////////////////////////////////////////////////////////
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// ---++++++++++  unsigned short _keypad_read(void)  +++++++++++
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
//  Arguments: < void>
// Returns:1..16,depending on the key pressed, or 0 if no key is pressed.
// Description : Checks if any key is pressed. Function returns 1 to 16,
//                depending on the key pressed, or 0 if no key is pressed.
// Requires : Port needs to be appropriately initialized
//   
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
unsigned short _keypad_read(void)
{                               
 unsigned short mask =1,i=0,val=0,shift=0;    
 for(i=0;i<4;i++){
         *tmp_keypad_pointer = mask;
         val = *tmp_keypad_pointer& 0xf0;
         
 ////////////////////////////////////////////////////////////
 
 #ifdef _DEBUG_KEY_
         if(val)return ((val & 0xf0) |mask);
         mask<<1;
         }
 #endif //-----------------------------------------
 //////////////////////////////////////////////////////////////
 #define sethere       
 #ifdef sethere
          asm{ swapf _keypad_read_val_L0,1}  // val = val>>4;      
         if(val){                              
                 while(shift<4){
                 if(val&(1<<shift)){
                                    return (((i<<2)+shift)+1); 
                                
                                    }
               shift++;              
                 }
          }
 
          mask<<=1;
         }
 #endif //----------------------------------                          
 return 0;
 }
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// END FUNCTION < _keypad_read >
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
//////////////////////////////////////////////////////////////////
#endif // _KEYPAD_C
_KEYPAD_H

/*
 * Description:
 *   <library for working with 4x4 keypad; routines can also
 *    be used with 4x1, 4x2, or 4x3 keypad.>
 *  NOTES:
 *   < It supports keypads with 1 to 4 rows and 1 to 4 columns >
 *  Revision History:
 *   <1.0.0> -
 *  Test configuration:
     Dev.Board:       b.r.v
     Ext. Modules:    x
     SW:              mikroc compiler v6.2.1
 */
#ifndef _KEYPAD_H
#define _KEYPAD_H
// function prototype declare //
//////////////////////////////////////////////////////////////////
 
//    Initializes port to work with keypad.
//    The function needs to be called before using other routines
//    from Keypad library.
      void _Keypad_Init(char *port_keypad);
//////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////
//     Checks if any key is pressed.
//     Function returns 1 to 16, depending on the key pressed,
//     or 0 if no key is pressed.
       unsigned short _keypad_read(void);
//////////////////////////////////////////////////////////////////
#endif // _KEYPAD_H
//////////////////////////////////////////////////////////////
              use this example
#include"keypad.h"
char key =0;
void main()
{
 trisb =0;
 portb=0;
 _keypad_init(&portd);
 
 while(1)
  {
  
  key = _Keypad_read();
 // #define _DEBUG_KEY_
  #ifdef _DEBUG_KEY_
  switch(key){
              case 0x11:key = 1;break;
              case 0x21:key = 2;break;
              case 0x41:key = 3;break;
              case 0x81:key = 4;break;
              case 0x12:key = 5;break;
              case 0x22:key = 6;break;
              case 0x42:key = 7;break;
              case 0x82:key = 8;break;
              case 0x14:key = 9;break;
              case 0x24:key = 10;break;
              case 0x44:key = 11;break;
              case 0x84:key = 12;break;
              case 0x18:key = 13;break;
              case 0x28:key = 14;break;
              case 0x48:key = 15;break;
              case 0x88:key = 16;break;
              }
 #endif // ----------------------------------                      
 
  if(key)portb =key;
  }
 
}
///////////////////////////////////////////////                                               
///////////////////////////////////////////////