Authors
George Chambers; Pennell, A.
Publication
Publication Details
Volume: 11 Issue: 4
Date
July/August 1993
Pages
21-22
See all articles from Sinc-Link v11 n4
After a timed interval in which no computer keys are pressed, the screen attributes are moved and stored in upper memory, and the attributes area of memory is filled with zeros, giving a black screen. The border is also blacked out. At the same time a flashing white square located in the lower right-hand corner of the screen is displayed as a reminder.