JPS56149638A - Cursor control circuit - Google Patents

Cursor control circuit

Info

Publication number
JPS56149638A
JPS56149638A JP5272680A JP5272680A JPS56149638A JP S56149638 A JPS56149638 A JP S56149638A JP 5272680 A JP5272680 A JP 5272680A JP 5272680 A JP5272680 A JP 5272680A JP S56149638 A JPS56149638 A JP S56149638A
Authority
JP
Japan
Prior art keywords
cursor
character
shift
contents
circuit
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
JP5272680A
Other languages
Japanese (ja)
Other versions
JPS612951B2 (en
Inventor
Mamoru Okada
Hatsuo Hoshino
Hideji Kawakubo
Kenji Ogura
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone 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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP5272680A priority Critical patent/JPS56149638A/en
Publication of JPS56149638A publication Critical patent/JPS56149638A/en
Publication of JPS612951B2 publication Critical patent/JPS612951B2/ja
Granted legal-status Critical Current

Links

Abstract

PURPOSE: To shift the cursor to the character displayed at an optional position within a display screen, by retrieving the character existing in the designated direction of shift and then comparing the cursor position with the retrieved character position in a cursor control circuit.
CONSTITUTION: When the shift direction of a cursor is supplied through the input terminal 1, the adding/subtracting circuit 6 gives an addition or subtraction of the extent of shift to the contents of the registers 2 and 3 based on the cursor shift direction to deliver the contents to the register circuits 7 and 8. The retrieving circuit 10 retrieves the position of the character stored in the storing circuit 9 based on the cursor shift direction supplied from the terminal 1 plus the contents of the registers 2 and 3. In case the corresponding character exists, the retrieval end signal 13 is delivered. Otherwise, the signal 14 is delivered. In such way, the character nearest the cursor shift direction supplied through the terminal 1 is retrieved easily.
COPYRIGHT: (C)1981,JPO&Japio
JP5272680A 1980-04-21 1980-04-21 Cursor control circuit Granted JPS56149638A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5272680A JPS56149638A (en) 1980-04-21 1980-04-21 Cursor control circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5272680A JPS56149638A (en) 1980-04-21 1980-04-21 Cursor control circuit

Publications (2)

Publication Number Publication Date
JPS56149638A true JPS56149638A (en) 1981-11-19
JPS612951B2 JPS612951B2 (en) 1986-01-29

Family

ID=12922919

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5272680A Granted JPS56149638A (en) 1980-04-21 1980-04-21 Cursor control circuit

Country Status (1)

Country Link
JP (1) JPS56149638A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59116691A (en) * 1982-12-23 1984-07-05 カシオ計算機株式会社 Cursor control system
JPH0619443A (en) * 1993-03-19 1994-01-28 Toshiba Corp Information processor

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59116691A (en) * 1982-12-23 1984-07-05 カシオ計算機株式会社 Cursor control system
JPH0122621B2 (en) * 1982-12-23 1989-04-27 Casio Computer Co Ltd
JPH0619443A (en) * 1993-03-19 1994-01-28 Toshiba Corp Information processor

Also Published As

Publication number Publication date
JPS612951B2 (en) 1986-01-29

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