JPS6327954U - - Google Patents
Info
- Publication number
- JPS6327954U JPS6327954U JP1986120592U JP12059286U JPS6327954U JP S6327954 U JPS6327954 U JP S6327954U JP 1986120592 U JP1986120592 U JP 1986120592U JP 12059286 U JP12059286 U JP 12059286U JP S6327954 U JPS6327954 U JP S6327954U
- Authority
- JP
- Japan
- Prior art keywords
- window
- display data
- data
- memory
- memories
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000015654 memory Effects 0.000 claims description 11
- 238000010586 diagram Methods 0.000 description 2
- 238000013507 mapping Methods 0.000 description 1
Landscapes
- Image Processing (AREA)
- Digital Computer Display Output (AREA)
Description
第１図は本考案の一実施例を示すブロツク図、
第２図は本考案を説明するためウインドウ表示例
、第３図はウインドウスタートメモリ及びウイン
ドウ幅メモリへの設定例、第４図は本考案の他の
実施例、第５図は同他の実施例を説明するための
ウインドウ表示例、第６図は従来の任意形状ウイ
ンドウ表示装置を示すブロツク図である。
１：ＣＲＴコントローラ、２：ビデオメモリ、
３：ウインドウメモリ、４：マツピングメモリ、
５〜７：シフトレジスタ、８：セレクタ、９：Ｃ
ＲＴ、１０：ＣＰＵ、１１：ラインアドレスカウ
ンタ、１２：ウインドウスタートメモリ、１３：
ウインドウ幅メモリ、１４：ウインドウスタート
カウンタ、１５：ウインドウ幅カウンタ、１６，
１７：フリツプフロツプ、１８：ＡＮＤゲート、
１９：オフセツトレジスタ、２０〜２２：加算器
。
FIG. 1 is a block diagram showing an embodiment of the present invention.
Fig. 2 is an example of a window display to explain the present invention, Fig. 3 is an example of setting to the window start memory and window width memory, Fig. 4 is another embodiment of the present invention, and Fig. 5 is another embodiment of the same. FIG. 6 is a block diagram showing a conventional arbitrary-shaped window display device. 1: CRT controller, 2: video memory,
3: Window memory, 4: Mapping memory,
5-7: Shift register, 8: Selector, 9: C
RT, 10: CPU, 11: Line address counter, 12: Window start memory, 13:
Window width memory, 14: Window start counter, 15: Window width counter, 16,
17: Flip-flop, 18: AND gate,
19: Offset register, 20-22: Adder.
Claims (1)
画面内で選択的に出力してウインドウを表示する
表示装置において、各水平ラインのウインドウス
タート位置をそれぞれ記憶するウインドウスター
トメモリと、各水平ラインのウインドウ幅をそれ
ぞれ記憶するウインドウ幅メモリと、水平走査毎
に前記二つのメモリを読み出すラインアドレスカ
ウンタと、前記各メモリから読み出された前記ウ
インドウスタート位置及び前記ウインドウ幅デー
タに応じて前記ビデオ表示データとウインドウ表
示データの切り換えを行う選択手段を設けたこと
を特徴とする任意形状ウインドウ表示装置。 Video display data and window display data are 1
A display device that displays a window by selectively outputting data within the screen has a window start memory that stores the window start position of each horizontal line, a window width memory that stores the window width of each horizontal line, and a horizontal scan. a line address counter for reading out the two memories at each time; and a selection means for switching between the video display data and the window display data in accordance with the window start position and the window width data read from each of the memories. An arbitrarily shaped window display device characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986120592U JPS6327954U (en) | 1986-08-05 | 1986-08-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986120592U JPS6327954U (en) | 1986-08-05 | 1986-08-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6327954U true JPS6327954U (en) | 1988-02-24 |
Family
ID=31009050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986120592U Pending JPS6327954U (en) | 1986-08-05 | 1986-08-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6327954U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0212522A (en) * | 1988-06-30 | 1990-01-17 | Mitsubishi Electric Corp | Display controller |
-
1986
- 1986-08-05 JP JP1986120592U patent/JPS6327954U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0212522A (en) * | 1988-06-30 | 1990-01-17 | Mitsubishi Electric Corp | Display controller |
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