EP0155499A3 - Display control unite - Google Patents

Display control unite Download PDF

Info

Publication number
EP0155499A3
EP0155499A3 EP19850101561 EP85101561A EP0155499A3 EP 0155499 A3 EP0155499 A3 EP 0155499A3 EP 19850101561 EP19850101561 EP 19850101561 EP 85101561 A EP85101561 A EP 85101561A EP 0155499 A3 EP0155499 A3 EP 0155499A3
Authority
EP
European Patent Office
Prior art keywords
display control
control unite
unite
display
control
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
EP19850101561
Other versions
EP0155499A2 (en
EP0155499B1 (en
Inventor
Takatoshi Ishii
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ASCII Corp
Original Assignee
ASCII Corp
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 by ASCII Corp filed Critical ASCII Corp
Publication of EP0155499A2 publication Critical patent/EP0155499A2/en
Publication of EP0155499A3 publication Critical patent/EP0155499A3/en
Application granted granted Critical
Publication of EP0155499B1 publication Critical patent/EP0155499B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/001—Arbitration of resources in a display system, e.g. control of access to frame buffer by video controller and/or main processor
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2360/00—Aspects of the architecture of display systems
    • G09G2360/12—Frame memory handling
    • G09G2360/127—Updating a frame memory using a transfer of data from a source area to a destination area
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/22—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of characters or indicia using display control signals derived from coded signals representing the characters or indicia, e.g. with a character-code memory
    • G09G5/24—Generation of individual character patterns
    • G09G5/246—Generation of individual character patterns of ideographic or arabic-like characters
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/36—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of a graphic pattern, e.g. using an all-points-addressable [APA] memory
    • G09G5/39—Control of the bit-mapped memory
    • G09G5/393—Arrangements for updating the contents of the bit-mapped memory
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/36—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of a graphic pattern, e.g. using an all-points-addressable [APA] memory
    • G09G5/39—Control of the bit-mapped memory
    • G09G5/395—Arrangements specially adapted for transferring the contents of the bit-mapped memory to the screen
EP85101561A 1984-02-20 1985-02-13 Display control unite Expired - Lifetime EP0155499B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP28784/84 1984-02-20
JP59028784A JPS60173580A (en) 1984-02-20 1984-02-20 Display controller

Publications (3)

Publication Number Publication Date
EP0155499A2 EP0155499A2 (en) 1985-09-25
EP0155499A3 true EP0155499A3 (en) 1990-09-12
EP0155499B1 EP0155499B1 (en) 1993-01-07

Family

ID=12258041

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85101561A Expired - Lifetime EP0155499B1 (en) 1984-02-20 1985-02-13 Display control unite

Country Status (4)

Country Link
EP (1) EP0155499B1 (en)
JP (1) JPS60173580A (en)
CA (1) CA1228931A (en)
DE (1) DE3586954T2 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2246935B (en) * 1987-09-19 1992-05-20 Hudson Soft Co Ltd An apparatus for the control of an access to a video memory
GB2210239B (en) * 1987-09-19 1992-06-17 Hudson Soft Co Ltd An apparatus for controlling the access of a video memory
US7827424B2 (en) * 2004-07-29 2010-11-02 Ati Technologies Ulc Dynamic clock control circuit and method
US7800621B2 (en) 2005-05-16 2010-09-21 Ati Technologies Inc. Apparatus and methods for control of a memory controller
US8799685B2 (en) 2010-08-25 2014-08-05 Advanced Micro Devices, Inc. Circuits and methods for providing adjustable power consumption

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4156904A (en) * 1976-08-25 1979-05-29 Hitachi, Ltd. Computer systems having a common memory shared between a central processor and a CRT display
US4197590A (en) * 1976-01-19 1980-04-08 Nugraphics, Inc. Method for dynamically viewing image elements stored in a random access memory array
US4240140A (en) * 1978-12-26 1980-12-16 Honeywell Information Systems Inc. CRT display terminal priority interrupt apparatus for generating vectored addresses
GB2106757A (en) * 1981-09-10 1983-04-13 Sensormatic Electronics Corp Electrical surveillance apparatus with movable antenna elements
EP0105725A2 (en) * 1982-09-29 1984-04-18 Fanuc Ltd. Display unit

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2016757A (en) * 1978-02-21 1979-09-26 Data General Corp Display Terminal
JPS54139431A (en) * 1978-04-21 1979-10-29 Hitachi Ltd Crt display unit
JPS54139433A (en) * 1978-04-21 1979-10-29 Hitachi Ltd Decision system for end of writing
JPS5674738A (en) * 1979-11-21 1981-06-20 Toshiba Corp Transfer system of display data

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4197590A (en) * 1976-01-19 1980-04-08 Nugraphics, Inc. Method for dynamically viewing image elements stored in a random access memory array
US4197590B1 (en) * 1976-01-19 1990-05-08 Cadtrak Corp
US4156904A (en) * 1976-08-25 1979-05-29 Hitachi, Ltd. Computer systems having a common memory shared between a central processor and a CRT display
US4240140A (en) * 1978-12-26 1980-12-16 Honeywell Information Systems Inc. CRT display terminal priority interrupt apparatus for generating vectored addresses
GB2106757A (en) * 1981-09-10 1983-04-13 Sensormatic Electronics Corp Electrical surveillance apparatus with movable antenna elements
EP0105725A2 (en) * 1982-09-29 1984-04-18 Fanuc Ltd. Display unit

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
IBM TECHNICAL DISCLOSURE BULLETIN, vol. 25, no. 3A, August 1981, pages 1270-1273, New York, US; C.J. EVANGELISTI et al.: "Generalized pattern transfer from storage to storage bit buffer" *
WESCON CONFERENCE RECORD, vol. 25, September 1981, pages 1-10 (31/5), El Segundo, CA, US; J.L. WISE et al.: "Color graphics with an advanced LSI controller" *

Also Published As

Publication number Publication date
EP0155499A2 (en) 1985-09-25
DE3586954T2 (en) 1993-06-03
DE3586954D1 (en) 1993-02-18
EP0155499B1 (en) 1993-01-07
JPS60173580A (en) 1985-09-06
CA1228931A (en) 1987-11-03

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