Method and system for providing video graphics adapter functionality on a simple frame buffer

A display system conversion technique that provides text-mode (e.g., VGA mode) display capabilities to a computer system that lacks text-mode display hardware is disclosed. By using the display conversion technique, programs which assume or require text-mode display hardware can be made to operate p...

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Bibliographic Details
Main Authors MCDANIEL; MICHAEL D, OSBORNE; JAMES W
Format Patent
LanguageEnglish
Published 04.05.1999
Edition6
Subjects
ADVERTISING
ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION
CRYPTOGRAPHY
DISPLAY
EDUCATION
PHYSICS
SEALS
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Summary:A display system conversion technique that provides text-mode (e.g., VGA mode) display capabilities to a computer system that lacks text-mode display hardware is disclosed. By using the display conversion technique, programs which assume or require text-mode display hardware can be made to operate properly on computer systems that lack such text-mode display hardware. According to one implementation, a display system for a computer system having an operating system, includes: a display device for displaying an image, a frame buffer for storing a bitmap of the image, a display driver for causing the bitmap to be forwarded to and displayed on the display device, and a text-mode-to-bitmap conversion system for converting text characters received from the operating system operating in a text-mode to the bitmap of the image which is stored in the frame buffer.
Bibliography:Application Number: US19960613675