EP0466935A4 - Still picture display device and external memory cartridge used therefor - Google Patents

Still picture display device and external memory cartridge used therefor

Info

Publication number
EP0466935A4
EP0466935A4 EP19910903626 EP91903626A EP0466935A4 EP 0466935 A4 EP0466935 A4 EP 0466935A4 EP 19910903626 EP19910903626 EP 19910903626 EP 91903626 A EP91903626 A EP 91903626A EP 0466935 A4 EP0466935 A4 EP 0466935A4
Authority
EP
European Patent Office
Prior art keywords
character
vram
address
stored
display device
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
EP19910903626
Other versions
EP0466935B1 (en
EP0466935A1 (en
Inventor
Katsuya Nintendo Co. Ltd. Nakagawa
Satoshi Nintendo Co. Ltd. Yamato
Hideki Nintendo Co. Ltd. Tanaka
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.)
Nintendo Co Ltd
Original Assignee
Nintendo Co Ltd
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 Nintendo Co Ltd filed Critical Nintendo Co Ltd
Publication of EP0466935A1 publication Critical patent/EP0466935A1/en
Publication of EP0466935A4 publication Critical patent/EP0466935A4/en
Application granted granted Critical
Publication of EP0466935B1 publication Critical patent/EP0466935B1/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
    • G09G5/02—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the way in which colour is displayed
    • 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
    • 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
    • G09G5/222—Control of the character-code memory

Abstract

A still picture display device has a VRAM and a character ROM. To the VRAM, a first coordinate address is assigned in correspondence with the displaying position of a luster scanning type display, a character code representing the character to be displayed being stored in the first coordinate address. The character ROM is divided into a plural of storing areas, in each of which at the address specified by the above mentioned character code the dot data of the character is stored. A second coordinate address is assigned to an expansion RAM too in the same manner as that of the VRAM, and modifying data (a character modification data and/or a color modification data) corresponding to the character code stored in the VRAM is stored at the second coordinate address. The modification data is read out from the expansion RAM to be loaded in a register and then given as the superordinate address of the character ROM to specify one of the storing areas. The character code read out from the VRAM is given as the subordinate address of the character ROM. Thus, the dot data corresponding to the character code is read out from the character ROM.
EP91903626A 1990-02-02 1991-02-01 Still picture display device and external memory cartridge used therefor Expired - Lifetime EP0466935B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2024715A JP2955760B2 (en) 1990-02-02 1990-02-02 Background image display control device and external memory cartridge used therein
JP24715/90 1990-02-02
PCT/JP1991/000128 WO1991011798A1 (en) 1990-02-02 1991-02-01 Still picture display device and external memory cartridge used therefor

Publications (3)

Publication Number Publication Date
EP0466935A1 EP0466935A1 (en) 1992-01-22
EP0466935A4 true EP0466935A4 (en) 1993-02-24
EP0466935B1 EP0466935B1 (en) 1996-04-10

Family

ID=12145866

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91903626A Expired - Lifetime EP0466935B1 (en) 1990-02-02 1991-02-01 Still picture display device and external memory cartridge used therefor

Country Status (10)

Country Link
EP (1) EP0466935B1 (en)
JP (1) JP2955760B2 (en)
KR (1) KR0175142B1 (en)
AT (1) ATE136677T1 (en)
AU (1) AU648540B2 (en)
BR (1) BR9104306A (en)
CA (1) CA2050279C (en)
DE (1) DE69118599T2 (en)
ES (1) ES2088484T3 (en)
WO (1) WO1991011798A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0571138A3 (en) * 1992-05-20 1995-03-29 Codemasters Ltd Memory cartridge and interface for video game console.
EP0761265A4 (en) * 1994-12-30 2005-03-16 Sega Corp Video game device for simulation game of comic book
FR2780804A1 (en) * 1998-07-03 2000-01-07 Thomson Multimedia Sa DEVICE FOR CONTROLLING THE DISPLAY OF CHARACTERS IN A VIDEO SYSTEM

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4180805A (en) * 1977-04-06 1979-12-25 Texas Instruments Incorporated System for displaying character and graphic information on a color video display with unique multiple memory arrangement
US4368461A (en) * 1979-12-03 1983-01-11 Hitachi, Ltd. Digital data processing device
DE3346458A1 (en) * 1982-12-22 1984-06-28 Nintendo Co. Ltd., Kyoto IMAGE PROCESSING SYSTEM
EP0351912A1 (en) * 1988-07-20 1990-01-24 Philips Electronics Uk Limited Teletext decoders

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56133790A (en) * 1980-03-24 1981-10-20 Fujitsu Ltd Pattern code adding system
JP2769345B2 (en) * 1989-02-21 1998-06-25 三菱電機株式会社 Display control device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4180805A (en) * 1977-04-06 1979-12-25 Texas Instruments Incorporated System for displaying character and graphic information on a color video display with unique multiple memory arrangement
US4368461A (en) * 1979-12-03 1983-01-11 Hitachi, Ltd. Digital data processing device
DE3346458A1 (en) * 1982-12-22 1984-06-28 Nintendo Co. Ltd., Kyoto IMAGE PROCESSING SYSTEM
EP0351912A1 (en) * 1988-07-20 1990-01-24 Philips Electronics Uk Limited Teletext decoders

Also Published As

Publication number Publication date
EP0466935B1 (en) 1996-04-10
JPH0418598A (en) 1992-01-22
JP2955760B2 (en) 1999-10-04
AU648540B2 (en) 1994-04-28
ES2088484T3 (en) 1996-08-16
DE69118599T2 (en) 1996-09-19
KR0175142B1 (en) 1999-05-01
KR920701937A (en) 1992-08-12
AU7185991A (en) 1991-08-21
BR9104306A (en) 1992-03-03
WO1991011798A1 (en) 1991-08-08
CA2050279C (en) 1996-03-05
EP0466935A1 (en) 1992-01-22
DE69118599D1 (en) 1996-05-15
ATE136677T1 (en) 1996-04-15

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