respecto a la visualizacion de los caracteres, eso seria asi:

Code:
 LcdReg  =  %10100000 + 17          ' cursor  X
               call    PrintCtrlLcd
                LcdReg  =  %01000010 +40           ' cursor  Y
                call    PrintCtrlLcd
'~~~~~~~~~~~~~~~~~ now display results    
                Char = (VOLT dig 1)            
                call    PrintChar
                Char = (VOLT dig 0)           
                call    PrintChar
                Char = 12                     
                call    PrintChar
                Char = (MV dig 0)                      
                call    PrintChar                
                ;Char = (MV dig 1)           
                ;call    PrintChar 
                Char = 14                     
                call    PrintChar
'~~~~~~~~~~~~~~~~~  cursor display amp
                LcdReg  =  %10100000 + 17           ' cursor  X
                call    PrintCtrlLcd
                LcdReg  =  %01000010 + 50           ' cursor  Y
                call    PrintCtrlLcd
'~~~~~~~~~~~~~~~~~ now display results    
                 Char = (amper dig 1)            
                 call    PrintChar
                 Char = (amper dig 0)           
                 call    PrintChar
                 Char = 12                     
                 call    PrintChar
                 Char = (Ma dig 1)                      
                 call    PrintChar                
                 Char = 13                     
                 call    PrintChar
saludos