JPS55108048A - Buffer memory access system for display - Google Patents

Buffer memory access system for display

Info

Publication number
JPS55108048A
JPS55108048A JP1565679A JP1565679A JPS55108048A JP S55108048 A JPS55108048 A JP S55108048A JP 1565679 A JP1565679 A JP 1565679A JP 1565679 A JP1565679 A JP 1565679A JP S55108048 A JPS55108048 A JP S55108048A
Authority
JP
Japan
Prior art keywords
buffer memory
display
controller
memory
character
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
JP1565679A
Other languages
Japanese (ja)
Other versions
JPS6161117B2 (en
Inventor
Seishi Kinoshita
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP1565679A priority Critical patent/JPS55108048A/en
Publication of JPS55108048A publication Critical patent/JPS55108048A/en
Publication of JPS6161117B2 publication Critical patent/JPS6161117B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Digital Computer Display Output (AREA)

Abstract

PURPOSE: To enable to perform the color display in mixing with character and graph, by storing a part of the graphic code and character code to the first buffer memory and the graphic code to the second buffer memory.
CONSTITUTION: The character code or graphic code of the buffer memory 2 from CPU1 is written in the buffer memory 13. If the content of the memory 2 is character code, this content is separated into the dot pattern with the character generator 3 and transferred and displayed on the monitor TV7. On the other hand, if the content of the memory 2 is graphic code, it is judged for upper or lower part of the display space, and when it is upper display, data is delivered to the grahpic controller 4. If judged as lower display, the multiplexer 14 is selected with the signal from the controller 4, the data from the memory 13 is read out and delivered to the controller 4. The data in the controller 4 is displayed on the monitor TV via the multiplexer 6.
COPYRIGHT: (C)1980,JPO&Japio
JP1565679A 1979-02-14 1979-02-14 Buffer memory access system for display Granted JPS55108048A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1565679A JPS55108048A (en) 1979-02-14 1979-02-14 Buffer memory access system for display

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1565679A JPS55108048A (en) 1979-02-14 1979-02-14 Buffer memory access system for display

Publications (2)

Publication Number Publication Date
JPS55108048A true JPS55108048A (en) 1980-08-19
JPS6161117B2 JPS6161117B2 (en) 1986-12-24

Family

ID=11894764

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1565679A Granted JPS55108048A (en) 1979-02-14 1979-02-14 Buffer memory access system for display

Country Status (1)

Country Link
JP (1) JPS55108048A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6292070A (en) * 1985-10-18 1987-04-27 Canon Inc Memory system for picture data
JPH01321578A (en) * 1988-06-23 1989-12-27 Sharp Corp Picture display system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6292070A (en) * 1985-10-18 1987-04-27 Canon Inc Memory system for picture data
JPH01321578A (en) * 1988-06-23 1989-12-27 Sharp Corp Picture display system

Also Published As

Publication number Publication date
JPS6161117B2 (en) 1986-12-24

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