JPH048584U - - Google Patents
Info
- Publication number
- JPH048584U JPH048584U JP4863490U JP4863490U JPH048584U JP H048584 U JPH048584 U JP H048584U JP 4863490 U JP4863490 U JP 4863490U JP 4863490 U JP4863490 U JP 4863490U JP H048584 U JPH048584 U JP H048584U
- Authority
- JP
- Japan
- Prior art keywords
- data
- crt
- pixel data
- density
- look
- 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
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Dot-Matrix Printers And Others (AREA)
- Color, Gradation (AREA)
- Color Television Systems (AREA)
- Facsimile Image Signal Circuits (AREA)
Description
第１図は本考案の作用を説明する図、第２図は
従来における実施例を示す図、第３図は本考案に
おける実施例を示す図、第４図は本考案により不
必要となつたソフトフローを示す図である。
１……ＣＰＵ、２……フレームメモリ、３……
ルツクアツプテーブル、４……データ変換ＲＡＭ
、５……ドツトクロツク発生回路、６……ＣＲＴ
、７……Ｄ／Ａ変換、８……ビデオドライバ、９
……主記憶。
Fig. 1 is a diagram explaining the action of the present invention, Fig. 2 is a diagram showing a conventional embodiment, Fig. 3 is a diagram showing an embodiment of the present invention, and Fig. 4 is a diagram illustrating an example of the present invention. It is a diagram showing a soft flow. 1...CPU, 2...Frame memory, 3...
Lookup table, 4...Data conversion RAM
, 5... dot clock generation circuit, 6... CRT
, 7... D/A conversion, 8... Video driver, 9
...main memory.
Claims (1)
するフレームメモリ、その画素データをアドレス
情報として入力し、当該アドレスから濃度データ
を出力するルツクアツプテーブル、ルツクアツプ
テーブルから出力された濃度データをＤ／Ａ変換
し、ＣＲＴ表示用データを生成するビデオドライ
バより構成されるＣＲＴ表示装置において、ルツ
クアツプテーブルと同じ濃度変換内容を持つＲＡ
Ｍを設け、ＣＰＵがそのＲＡＭを介してフレーム
メモリ内の画素データを読み出すことにより、今
、ＣＲＴに表示している濃度データをドツトトー
トとは無関係にソフトウエアの介在なしにＣＰＵ
の主記憶上に容易に持つことができることを特徴
とするハードコピー用データ生成方式。 A frame memory that stores pixel data to be displayed on a CRT, a look-up table that inputs the pixel data as address information and outputs density data from the address, and a D/A for the density data output from the look-up table. In a CRT display device consisting of a video driver that converts and generates data for CRT display, an RA with the same density conversion content as the lookup table is used.
M is provided, and the CPU reads out the pixel data in the frame memory via the RAM, so that the density data currently displayed on the CRT can be read out by the CPU without any software intervention, regardless of the dot tote.
A hard copy data generation method characterized in that it can be easily stored in the main memory of a computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4863490U JPH048584U (en) | 1990-05-11 | 1990-05-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4863490U JPH048584U (en) | 1990-05-11 | 1990-05-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH048584U true JPH048584U (en) | 1992-01-27 |
Family
ID=31565620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4863490U Pending JPH048584U (en) | 1990-05-11 | 1990-05-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH048584U (en) |
-
1990
- 1990-05-11 JP JP4863490U patent/JPH048584U/ja active Pending
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