Claims
- 1. A data processing system comprising:a processor; a memory to store a command to be executed by said processor and data to be displayed, said memory having a single output port for outputting said data or said command therethrough; a display to display said data read out of said memory; a display controller to control display of data on said display; and a memory controller connected to said memory for controlling priority among data and commands and for outputting through said display controller data to be displayed on said display; wherein, while said memory controller reads said command out of said memory, said memory controller outputs said data to be displayed through said display controller.
- 2. A data processing system according to claim 1, wherein said memory controller is connected to said processor.
- 3. A data processing system according to claim 2, further comprising a buffer for buffering said data to be displayed.
Priority Claims (1)
Number |
Date |
Country |
Kind |
02-197929 |
Jul 1990 |
JP |
|
CROSS-REFERENCE TO RELATED APPLICATIONS
This application is a continuation of Ser. No. 09/593,496 filed Jun. 14, 2000 and issued Apr. 23, 2002 as U.S. Pat. No. 6,377,267, which is a continuation of Ser. No. 09/327,355 filed Jun. 8, 1999 and issued Apr. 24, 2001 as U.S. Pat. No. 6,222,563, which is a continuation of Ser. No. 08/739,457 filed Oct. 29, 1996 and issued Aug. 17, 1999 as U.S. Pat. No. 5,940,087, which is a continuation of Ser. No. 08/358,988 filed Dec. 19, 1994 and issued Jan. 6, 1998 as U.S. Pat. No. 5,706,034, which is a continuation of Ser. No. 07/735,947 filed Jul. 25, 1991, abandoned.
US Referenced Citations (13)
Foreign Referenced Citations (3)
Number |
Date |
Country |
59131979 |
Jul 1984 |
JP |
6391787 |
Apr 1988 |
JP |
1265348 |
Oct 1989 |
JP |
Non-Patent Literature Citations (2)
Entry |
Yao, “Unified Memory Architecture Cuts PC Cost”, Microprocessor Report, vol. 9, No. 8, pp. 5-9, Jun. 19, 1995. |
Nikkei Electronics, No. 653, pp.16-17, Jan. 15, 1996. |
Continuations (5)
|
Number |
Date |
Country |
Parent |
09/593496 |
Jun 2000 |
US |
Child |
10/123136 |
|
US |
Parent |
09/327355 |
Jun 1999 |
US |
Child |
09/593496 |
|
US |
Parent |
08/739457 |
Oct 1996 |
US |
Child |
09/327355 |
|
US |
Parent |
08/358988 |
Dec 1994 |
US |
Child |
08/739457 |
|
US |
Parent |
07/735947 |
Jul 1991 |
US |
Child |
08/358988 |
|
US |