KR890005617A - Device controlling access to video memory - Google Patents
Device controlling access to video memory Download PDFInfo
- Publication number
- KR890005617A KR890005617A KR1019880011051A KR880011051A KR890005617A KR 890005617 A KR890005617 A KR 890005617A KR 1019880011051 A KR1019880011051 A KR 1019880011051A KR 880011051 A KR880011051 A KR 880011051A KR 890005617 A KR890005617 A KR 890005617A
- Authority
- KR
- South Korea
- Prior art keywords
- video memory
- video
- video data
- memory
- buffer
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
-
- 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
- G09G5/391—Resolution modifying circuits, e.g. variable screen formats
Abstract
내용 없음No content
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.
제1도는 본 발명에 따라 비디오메모리의 액세스를 제어하는 장치가 포함되는 스크린상에 영상을 표시하는 장치를 표시하는 블럭도.1 is a block diagram showing a device for displaying an image on a screen including a device for controlling access to a video memory according to the present invention.
제2도 (A)는 VRAM에 비디오신호 기록과 거기에서 비디오신호의 판독제어를 위한 비디오 표시제어를 표시하는 블럭도.Fig. 2A is a block diagram showing video display control for recording a video signal in a VRAM and reading control of the video signal therefrom.
제2도 (B)는 제 1도의 장치에서 스크린 상에 스프라이트(sprite)를 표시하는 장치를 표시하는 블럭도.FIG. 2B is a block diagram showing an apparatus for displaying a sprite on a screen in the apparatus of FIG.
Claims (5)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62-235483 | 1987-09-19 | ||
JP62235483A JP2610275B2 (en) | 1987-09-19 | 1987-09-19 | Video memory transfer controller |
Publications (2)
Publication Number | Publication Date |
---|---|
KR890005617A true KR890005617A (en) | 1989-05-16 |
KR960009839B1 KR960009839B1 (en) | 1996-07-24 |
Family
ID=16986729
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR88011051A KR960009839B1 (en) | 1987-09-19 | 1988-08-30 | Apparatus for controlling access of video memory |
Country Status (3)
Country | Link |
---|---|
JP (1) | JP2610275B2 (en) |
KR (1) | KR960009839B1 (en) |
GB (1) | GB2210238B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2065979C (en) * | 1991-06-10 | 1999-01-19 | Stephen Patrick Thompson | Mode dependent minimum fifo fill level controls processor access to video memory |
JPH05158655A (en) * | 1991-12-05 | 1993-06-25 | Fujitsu Ltd | Clock crossing-over circuit |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59143190A (en) * | 1983-02-05 | 1984-08-16 | 富士通株式会社 | Information processor |
JPS61163021A (en) * | 1985-01-14 | 1986-07-23 | Mitsubishi Heavy Ind Ltd | Noise control device of automobile |
-
1987
- 1987-09-19 JP JP62235483A patent/JP2610275B2/en not_active Expired - Lifetime
-
1988
- 1988-08-08 GB GB8818787A patent/GB2210238B/en not_active Expired - Lifetime
- 1988-08-30 KR KR88011051A patent/KR960009839B1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
GB2210238A (en) | 1989-06-01 |
GB8818787D0 (en) | 1988-09-07 |
KR960009839B1 (en) | 1996-07-24 |
JP2610275B2 (en) | 1997-05-14 |
JPS6478319A (en) | 1989-03-23 |
GB2210238B (en) | 1992-05-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
G160 | Decision to publish patent application | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20000627 Year of fee payment: 5 |
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LAPS | Lapse due to unpaid annual fee |