Display with enhanced scrolling capabilities

A computer display having a display screen and a cursor, comprising:

• a display processor;
• a screen buffer, connected to said display processor;
• a presentation space buffer, connected to said display processor, said presentation space buffer being larger than said screen buffer;
• means for defining a first partition and a second partition in said presentation space buffer;
• first mapping means for mapping a first partition window from said first partition to said screen buffer;
• first activating means for activating said first partition;
• first writing means for writing said first partition window to said screen buffer responsive to said first activating means;
• second mapping means for mapping a second partition window from said second partition to said screen buffer;
• and
• means for displaying said screen buffer on said display screen, wherein only partition windows that have been mapped and activated are displayed, and wherein partition windows that have been mapped but not activated are not displayed.

A method for activating and deactivating windows on a computer display having a display processor, a screen buffer, a presentation space buffer larger than said screen buffer, a display screen and a cursor, the method comprising the steps of:

• defining a first partition and a second partition in said presentation space buffer;
• mapping a first partition window from said first partition to said screen buffer;
• activating said first partition;
• writing said first partition window to said screen buffer responsive to said activating said first partition step;
• mapping a second partition window from said send partition to said screen buffer;
• and
• displaying said screen buffer on said display screen, wherein only partition windows that have been mapped and activated are displayed, and wherein partition windows that have been mapped but not activated are not displayed.