KR890012217A - Data processing system with display function - Google Patents

Abstract

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Description

Data processing system with display function

Since this is an open matter, no full text was included.

2 is a block diagram showing an arrangement of a data processing system according to an embodiment of the present invention.

3 is a block diagram showing the display circuit arrangement of FIG.

4 is a block diagram showing the pallet register arrangement of FIG.

Claims (20)

first display means for displaying an image in an n-type display mode; second display means for displaying an image in the m (n <m) type display FP; Palette register means having a plurality of entries, in which data for indicating a display mode is set; First control memory means for occupying data loaded into said pallet register means for operating said first display means; Second control memory means for occupying data loaded into said pallet register means for operating said second display means; Third control memory means for occupying switching data indicating that one of the first display means and the second display means is in an operating state; Loading means for stacking one of data occupied in the first control memory means and the second control memory means in accordance with the switching data stored in the third control memory means; Image data storage having a plurality of memory planes for storing image data Means; The first display means and the second display in accordance with data occupied by an address-designated entry for addressing the eight digit register means using the image data read out from the image data storage means and displaying an image. And display control means for selectively controlling the means. 2. The display device according to claim 1, wherein the first display means has a plasma display panel (PDP) capable of displaying images at four rank levels, and the second display means has 16 colors (same color having different rank levels). Are regarded as different colors), and each entry of the first control memory means occupies data representing one of four rank levels, and the second control memory. Each entry of the means occupies data representing one of sixteen colors, and the loading means occupies the first control memory means when the PDP is in an operating state, according to the contents stored in the third control memory means. Transmitting data indicating the ranked level to the pallet register means, and the second when the CRT apparatus is in an operating state. System for the data that represents the color occupying the control memory means characterized in that the transmission means to the palette registers. 3. The apparatus of claim 2, wherein the first control memory means comprises data in its first and ninth entries indicating rank level 0 (rank level 3 is the lightest and rank level 0 is the darkest) 3, 4. Data representing rank level 1 in the thirteenth, fourteenth, and fifteenth entries; data representing rank level two in the sixth, seventh, tenth, eleventh, twelfth, and sixteenth entries thereof; And store data indicating rank level 3 in 8 entries. 3. The contents of the pallet register means according to claim 2, wherein when the application program of the data processing system specifies to exchange colors of a display image, if the plasma display panel is in an operating state, the loading means exchanges display images. And exchange corresponding entry contents of the second control memory means without exchanging the data. 2. An image according to claim 1, wherein the second control memory means has an m entry in which colors (same colors having different rank levels are regarded as different colors) are set, and the first control memory means is an image composed of m colors. And m entries in which data representing a corresponding color of an image composed of n colors converted from the image is set. 2. The apparatus according to claim 1, wherein the application program of the data processing system specifies to exchange display colors and when the first display means is in an operating state, the loading means reads the contents stored in the pallet register means to exchange display images. And the contents stored in the second control memory means are exchanged without being exchanged. 2. The apparatus according to claim 1, wherein when the operated display means is switched from the first display means to the second display means, the loading means loads the data occupied in the second control memory means into the pallet register means. Exchanging switching data stored in the third control memory means, and when the operated display means is switched from the second display means to the first display means, the stacking means is occupied in the first control memory means. And load data into said pallet register means and exchange switching data stored in said third control memory means. 8. The system of claim 7, wherein the system has switch designation means, and the stacking means loads the contents of one of the first and second control memory means into the pallet register means in accordance with the designation. Exchanging contents of the means, wherein the display control means sets the display means in the inoperative state of the inoperative state and sets the display means in the inoperative state of the inoperative state according to the designation. 2. The apparatus of claim 1, wherein the first and second display means display an image using a plurality of dots, the memory plane is allocated to the same address space, and the display control means scans the memory plane, Addressing the pallet register means using data consisting of a combination of bit data at the same address location of the memory plane, and according to the address positions of the memory plane represented by output data from the pallet register means. And a dot is displayed at the display position of the display means. first display means capable of displaying an image in an n- type display mode; second display means capable of displaying an image in an m (n <m) type display mode; Control means connected to the first and second display means; Video storage means for occupying video data; Palette register means having a plurality of entries, in which eight FP data indicating a display mode are set in the entries; Control memory means for occupying palette data for the first display means and the second display means; A method of operating said control means in a data processing system, said bus means for connecting said control means, said image storage means, said pallet register means and said control memory means to transfer data, said first means operating said control means in said data processing system. When the display means is in the operating state, causing pallet data for the first display means occupied by the control memory means to be loaded into the pallet register means, and when the second display means is in the operating state, the control memory Determining that one of the first and second display means is in an operating state to cause pallet data for the second display means occupied in the means to be loaded into the pallet register means; Advancing video data by scanning the video storage means; Addressing the pallet register means by using the obtained image data; Controlling said first or second display means in accordance with data occupied in an address-designated entry. 11. The display device according to claim 10, wherein said first display means comprises a plasma display panel capable of displaying an image using four colors (same colors having different rank levels are considered different colors), and said second display The means comprises a color CRT apparatus capable of displaying an image using 16 colors (same colors with different ranking levels are considered different colors), wherein the palette data of the first display means is of four colors. A data collection representing one, the palette data for the second display means consisting of a data collection representing one of 16 colors, and wherein the control means is configured to display the first data when the plasma display panel is in an operating state. Write pallet data for display means to the pallet register means And loading pallet data for the second display means into the pallet register means when the CRT apparatus is in an operating state. 12. The apparatus of claim 11, wherein the palette data for the first display means includes data indicating rank level 0 (rank level 3 is the brightest and rank level 0 the darkest). The data loaded in the ninth entry and representing the rank level 1 are its second, third, fourth, and thirteenth items. The data loaded into the 14th and 15th entries, and indicating the rank level 2, is the fifth, sixth, and seventh of its entry. And data loaded into tenth, eleventh and sixteenth entries, and indicating rank level 3, is loaded into an eighth entry. 11. The apparatus of claim 10, wherein the control means comprises means for executing an arbitrary application program and means for displaying an image on the first or second display means according to the application program. Designate an application to exchange colors of the display image and when the first display means is in an operating state, exchange palette data for the second display means without exchanging the contents of the palette register means. How to. The pallet register according to claim 10, wherein when the operated display means is switched from the first display means to the second display means, the control means receives the palette data for the second display means occupied by the control memory means in the pallet register. Loaded in the means. And when the operated display means is switched from the second display means to the first display means, the control means loads pallet data for the first display means occupied in the control memory means into the pallet register means. How to. 11. The apparatus of claim 10, wherein the first and second display means display an image using a plurality of dots, wherein the image storage means includes a plurality of memory planes allocated to the same address space, The memory in display mode that scans the memory plane, addresses the pallet register means using image data composed of a combination of bit data at the same address location of the memory plane, and is represented by output data from the pallet register means. And displaying dots at display positions of the first or second display means in accordance with the address positions of the planes. A system for displaying an image using a palette register means having a plurality of entries in which data for indicating a display mode is set, the system comprising: first control memory means for occupying first setting data for the palette FP register; ; Second control memory means for occupying second setting data for the pallet register; And loading means for selectively loading first and second setting data set in said first and second control memory means into pallet register means, respectively. 17. The memory device of claim 16, wherein the second memory means has m entries in which colors (same colors having different rank levels are regarded as different colors) are set, and wherein the first control memory means has an image composed of m colors. and m entries in which data representing a corresponding color is set when converted to an image composed of n (m> n) colors, and said palette register means having m entries. 17. The apparatus as claimed in claim 16, wherein when the data processing system displays an image using n colors, the loading means is adapted to exchange display images when an application program executed by the data processing system specifies to exchange display colors. And the contents of the second control memory means are exchanged without the contents stored in the pallet register means. 17. The data processing system of claim 16, wherein the data processing system comprises m or n colors by selectively operating display means capable of displaying an image using m colors and display means capable of displaying an image using n colors. When the display means in the operating state is switched, the loading means loads into the pallet register means first and second setting data corresponding to the display means set in the switching operating state. . 17. The data processing system of claim 16, wherein the data processing system is configured by selectively operating a CRT device capable of displaying an image using 16 colors and a display device capable of displaying an image using four colors. And the second control memory means has 16 entries in which colors (same colors having different rank levels are regarded as different colors) are set, and the first control memory means has 16 colors. Has 16 entries in which data indicative of the corresponding color is set when the image composed of the image is converted into the image composed of four colors, the palette register has 16 entries, and when the display means in the operating state is switched, The first and second setting data corresponding to the display means in which the stacking means is set to the switching state are A system characterized by loading by a pallet register means. ※ Note: The disclosure is based on the initial application.