I am having the same problem as the original poster.

I am using a PIC16F84A with the RS-232 LCD display. I am using a 20MHz ceramic resonator as well. I can't get this simple program to work. I don't know what is wrong. Please help me figure this out...

@ DEVICE HS_OSC
DEFINE OSC 20
INCLUDE "modedefs.bas"
PAUSE 1000
Start:
Serout portb.1, 2, [254,1]
PAUSE 40
Serout portb.1, 2, ["Hello World"]
Pause 400
Goto Start
End