JPH0330147U - - Google Patents

Info

Publication number
JPH0330147U
JPH0330147U JP7583389U JP7583389U JPH0330147U JP H0330147 U JPH0330147 U JP H0330147U JP 7583389 U JP7583389 U JP 7583389U JP 7583389 U JP7583389 U JP 7583389U JP H0330147 U JPH0330147 U JP H0330147U
Authority
JP
Japan
Prior art keywords
command
buffer
processing
command buffer
string
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.)
Granted
Application number
JP7583389U
Other languages
Japanese (ja)
Other versions
JPH0637470Y2 (en
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 JP1989075833U priority Critical patent/JPH0637470Y2/en
Publication of JPH0330147U publication Critical patent/JPH0330147U/ja
Application granted granted Critical
Publication of JPH0637470Y2 publication Critical patent/JPH0637470Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Digital Computer Display Output (AREA)

Description

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

第１図は本考案を実施したグラフイツクス制御
装置の構成ブロツク図、第２図は第１図に示した
本考案装置の動作を表わすフロー、第３図は従来
のグラフイツクス制御装置の構成ブロツク図であ
る。 １…表示装置、２…プリンタ装置、Ｇ１，Ｇ２
…グラフイツクス発生部、Ｒ１…表示装置用リフ
レツシユ・メモリ、Ｒ２…プリンタ装置用リフレ
ツシユ・メモリ、Ｂ１…表示装置用コマンド・バ
ツフア、Ｂ２…プリンタ装置用コマンド・バツフ
ア、３…処理装置、４…描画制御部、５…割り込
み制御部、６…インターフエイス回路、７…書き
込み制御部、ＳＢ…システム・バス。 Fig. 1 is a block diagram of the configuration of a graphics control device embodying the present invention, Fig. 2 is a flowchart showing the operation of the device of the present invention shown in Fig. 1, and Fig. 3 is a block diagram of the configuration of a conventional graphics control device. be. 1... Display device, 2... Printer device, G1, G2
...Graphics generation unit, R1...Refresh memory for display device, R2...Refresh memory for printer device, B1...Command buffer for display device, B2...Command buffer for printer device, 3...Processing device, 4...Drawing control 5... Interrupt control unit, 6... Interface circuit, 7... Write control unit, SB... System bus.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 処理装置から表示用コマンド列が書き込まれる
表示装置用コマンド・バツフアと、前記処理装置
からプリンタ装置用コマンド列が書き込まれるプ
リンタ装置用コマンド・バツフアと、表示装置用
リフレツシユ・メモリと、プリンタ装置用リフレ
ツシユ・メモリと、一方の装置用コマンド・バツ
フアからのコマンド処理中に他方の装置用コマン
ド・バツフア処理要求が発生すると一定時間割り
込みを発生する優先制御部と、前記一定時間内に
前記他方の装置用コマンド・バツフアからのコマ
ンド列を処理し前記一定時間が経過すると前記一
方の装置用コアンド・バツフアから１コマンド分
の処理を実行する動作を繰り返す描画機能部とか
らなるグラフイツクス制御装置。 A command buffer for a display device into which a display command string is written from the processing device, a command buffer for the printer device into which a command string for the printer device is written from the processing device, a refresh memory for the display device, and a refresh memory for the printer device.・A priority control unit that generates an interrupt for a certain period of time when a command buffer processing request for the other device occurs during command processing from the command buffer for the other device; A graphics control device comprising a drawing function unit that processes a command string from a command buffer and repeats an operation of executing one command from the one device co-and buffer when the predetermined period of time has elapsed.
JP1989075833U 1989-06-28 1989-06-28 Graphics controller Expired - Lifetime JPH0637470Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989075833U JPH0637470Y2 (en) 1989-06-28 1989-06-28 Graphics controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989075833U JPH0637470Y2 (en) 1989-06-28 1989-06-28 Graphics controller

Publications (2)

Publication Number Publication Date
JPH0330147U true JPH0330147U (en) 1991-03-25
JPH0637470Y2 JPH0637470Y2 (en) 1994-09-28

Family

ID=31616760

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989075833U Expired - Lifetime JPH0637470Y2 (en) 1989-06-28 1989-06-28 Graphics controller

Country Status (1)

Country Link
JP (1) JPH0637470Y2 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6362465A (en) * 1986-09-03 1988-03-18 Toshiba Corp Picture display device
JPH01276196A (en) * 1988-04-27 1989-11-06 Mitsubishi Electric Corp Image display controller

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6362465A (en) * 1986-09-03 1988-03-18 Toshiba Corp Picture display device
JPH01276196A (en) * 1988-04-27 1989-11-06 Mitsubishi Electric Corp Image display controller

Also Published As

Publication number Publication date
JPH0637470Y2 (en) 1994-09-28

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