And here is the link to the disassembly of the kernal of the Commodore LCD.

http://commodore-lcd.lgb.hu/sk/

Writing from Ticonderoga, New York,
Robert Bernardo
Fresno Commodore User Group - http://www.dickestel.com/fcug.htm
Southern California Commodore & Amiga Network - http://www.portcommodore.com/sccan