发明名称 |
GRAPHIC DISPLAY ADAPTOR |
摘要 |
As the speed and capacity of graphics workstations and personal computers including graphics adapters increases, a display adapter which can be used either in such a high capacity stand alone graphics workstation or in conjunction with a large main frame host computer includes a first processor for managing adapter resources and controlling coordinate transformations; a system storage for storing instructions and data representing information to be displayed; a first-in, first-out input buffer for allowing asynchronous and overlapped communication between the graphics system and a host computer;a second processor for drawing vectors and manipulating areas to be displayed on the monitor;a frame buffer connected to the second processor for storing a bit map of data to be displayed; a colour palette connected to outputs of the frame buffer for providing appropriate colour signals to the monitor; and a hardware cursor circuit for controlling display of a cursor on the monitor. |
申请公布号 |
JPS63200230(A) |
申请公布日期 |
1988.08.18 |
申请号 |
JP19870292261 |
申请日期 |
1987.11.20 |
申请人 |
INTERNATL BUSINESS MACH CORP <IBM> |
发明人 |
SATEISHIYU GUPUTAA;REON RUMERUSUKIII;ROBAATO ROTSUKUUTSUDO MANSUFUIIRUDO;EKUTAA JIERAADO ROMERO;MAAKU SEGURI;AREKISANDAA KUUSU SUPENSAA;JIYOU KURISUTOFUAA SENTO KURIAA;JIEEMUZU DONARUDO WAGUNAA |
分类号 |
G06F3/153;G06T11/20;G09G5/393 |
主分类号 |
G06F3/153 |
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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