JPS61160491U - - Google Patents

Info

Publication number
JPS61160491U
JPS61160491U JP4322685U JP4322685U JPS61160491U JP S61160491 U JPS61160491 U JP S61160491U JP 4322685 U JP4322685 U JP 4322685U JP 4322685 U JP4322685 U JP 4322685U JP S61160491 U JPS61160491 U JP S61160491U
Authority
JP
Japan
Prior art keywords
dot pattern
character generator
address
display device
circuit
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
Application number
JP4322685U
Other languages
Japanese (ja)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP4322685U priority Critical patent/JPS61160491U/ja
Publication of JPS61160491U publication Critical patent/JPS61160491U/ja
Pending legal-status Critical Current

Links

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は表示制御部の回路図、第2図は表示装
置の構成ブロツク図、第3図はキヤラクタジエネ
レータの内部構成図、第4図は属性情報を合成す
るための合成図である。 10……アドレス変換回路、20……演算回路
、30……比較回路、40……キヤラクタジエネ
レータ、50……ブランク情報変換回路、60…
…パラレル・シリアル変換回路。
Fig. 1 is a circuit diagram of the display control unit, Fig. 2 is a block diagram of the configuration of the display device, Fig. 3 is an internal configuration diagram of the character generator, and Fig. 4 is a composition diagram for synthesizing attribute information. . DESCRIPTION OF SYMBOLS 10...Address conversion circuit, 20...Arithmetic circuit, 30...Comparison circuit, 40...Character generator, 50...Blank information conversion circuit, 60...
...Parallel/serial conversion circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 表示文字のドツトパターンを格納したキヤラク
タジエネレータと、表示文字の文字コードを第1
のアドレスに変換するアドレス変換回路と、前記
第1のアドレスと前記ドツトパターンの行または
列を指定する第2のアドレスとで前記キヤラクタ
ジエネレータをアクセスする演算回路と、前記キ
ヤラクタジエネレータから読出したドツトパター
ンをビデオ信号に変換する回路と、前記第2のア
ドレスと予め定められたアドレス値との大小を比
較する比較回路を有した表示装置において、前記
比較手段の比較結果によつて前記キヤラクタジエ
ネレータから読み出したドツトパターンをブラン
ク情報に変換する変換回路を有することを特徴と
する表示装置。
A character generator that stores the dot pattern of display characters and a character generator that stores the character code of display characters.
an arithmetic circuit that accesses the character generator with the first address and a second address that specifies the row or column of the dot pattern; In the display device, the display device includes a circuit for converting the read dot pattern into a video signal, and a comparison circuit for comparing the magnitude of the second address and a predetermined address value. A display device comprising a conversion circuit that converts a dot pattern read from a character generator into blank information.
JP4322685U 1985-03-27 1985-03-27 Pending JPS61160491U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4322685U JPS61160491U (en) 1985-03-27 1985-03-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4322685U JPS61160491U (en) 1985-03-27 1985-03-27

Publications (1)

Publication Number Publication Date
JPS61160491U true JPS61160491U (en) 1986-10-04

Family

ID=30554701

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4322685U Pending JPS61160491U (en) 1985-03-27 1985-03-27

Country Status (1)

Country Link
JP (1) JPS61160491U (en)

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