At ftp://ground.ecn.uiowa.edu/apple2/MiscInfo/memory.softswitches there is a list of softswitches. What is this softswitch used for, and what does it do?:: RDVBLBAR = $C019 ;not VBL (VBL signal low) -----------== Posted via Deja News, The Discussion Network ==---------- http://www.dejanews.com/ Search, Read, Discuss, or Start Your Own