define lcd_bits 4
define lcd_lines 4
PAUSE 500
start:
lcdout $FE,$80,"LINE 1 "
lcdout $FE,$C0,"LINE 2 "
lcdout $FE,$94,"LINE 3 "
lcdout $FE,$D4,"LINE 4 "
pause 1000
goto start:

The only thing I dont see is a varable resistor for contrast adjustment on V0.
You have it tied to +5v, the voltage may be to high that is why you are only seeing squares insted of text.

Hope it helps Sphere...