Character graphics colour display system

Details Character graphics colour display system Character graphics colour display system

H - Electricity

01

S

375/12

H01S 3/22 (2006.01) G09G 5/02 (2006.01)

Patent

CA 1104730

CHARACTER GRAPHICS COLOUR DISPLAY SYSTEM Abstract of the Disclosure Mixed colour effects in a character graphics display system are achieved by providing font characters comprising several character cells with different patterns which can selectively be read simul- taneously to different colour registers, thereby determining the colour in which each character cell is to be displayed. The system also pro- vides characters comprising only a single character cell which can selectively be directed to any of the colour registers. A control system interprets colour bits in a control word in accordance with the type of character being accessed. UK9-77-010

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