The manual show the default connections. You can also select your own and add some DEFINEs at the top of your program.
Code:
    '
    '    LCD setup
    '    =========
DEFINE LCD_DREG PORTB     ' LCD data port
DEFINE LCD_DBIT 0         ' LCD data starting bit
DEFINE LCD_RSREG PORTB    ' LCD register select port
DEFINE LCD_RSBIT 4        ' LCD register select bit
DEFINE LCD_EREG PORTB     ' LCD enable port
DEFINE LCD_EBIT 5         ' LCD enable bit
DEFINE LCD_BITS 4         ' LCD data bus size
DEFINE LCD_LINES 2        ' Number lines on LCD
DEFINE LCD_COMMANDUS 2000 ' Command delay time in us
DEFINE LCD_DATAUS 50      ' Data delay time in us