发明名称 |
AUTOMATIC PATTERN GENERATION FOR A GRAPHICS DISPLAY |
摘要 |
<p>A display subsystem having a graphics capability includes a bit map memory for storing bits, each bit representing a displayed pixel. A read only memory stores words, each word representative of a pixel of a selected pattern which is used to fill out an area of the display thereby clearly identifying adjacent areas of the display to the operator. The selected patterns are displayed in a REPLACE, an OR or an EXCLUSIVE OR mode of operation.</p> |
申请公布号 |
CA1249676(A) |
申请公布日期 |
1989.01.31 |
申请号 |
CA19850488070 |
申请日期 |
1985.08.02 |
申请人 |
HONEYWELL BULL INC. |
发明人 |
BRUCE, KENNETH E.;HOLTEY, THOMAS O.;GOSS, GARY J. |
分类号 |
G09G5/02;G06F3/153;G09G5/377;G09G5/39;G09G5/393;(IPC1-7):G09G3/00 |
主分类号 |
G09G5/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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