Cathode ray tube display apparatus

Details Cathode ray tube display apparatus Cathode ray tube display apparatus

G - Physics

09

G

375/46

G09G 1/00 (2006.01) G09G 5/34 (2006.01)

Patent

CA 1191639

CATHODE RAY TUBE DISPLAY APPARATUS Abstract A cathode ray tube display apparatus is provided com- prising a regenerating buffer memory, a row address table and a pointer. The regenerating buffer memory has a greater storage capacity than the display capacity of the CRT screen and stores character information. The row address table has a capacity storing more addresses indicating the rows in the regenerating buffer memory than the number of rows on the CRT screen. The pointer designates an address of the table for determining the stored position of the regenerating memory to be first accessed by the table. This cathode ray tube display apparatus is capable of scrolling and paging easily and quickly without changing the content of the regen- erating buffer memory and the row address table.

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