JPS55123788A - Dot pattern conversion system - Google Patents

Dot pattern conversion system

Info

Publication number
JPS55123788A
JPS55123788A JP2997679A JP2997679A JPS55123788A JP S55123788 A JPS55123788 A JP S55123788A JP 2997679 A JP2997679 A JP 2997679A JP 2997679 A JP2997679 A JP 2997679A JP S55123788 A JPS55123788 A JP S55123788A
Authority
JP
Japan
Prior art keywords
data
register
inputted
shifted
horizontal
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.)
Pending
Application number
JP2997679A
Other languages
Japanese (ja)
Inventor
Hideyuki Takahashi
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 JP2997679A priority Critical patent/JPS55123788A/en
Publication of JPS55123788A publication Critical patent/JPS55123788A/en
Pending legal-status Critical Current

Links

Landscapes

  • Dot-Matrix Printers And Others (AREA)

Abstract

PURPOSE: To shorten the processing time required for horizontal-vertical conversion by providing a horizontal-vertical conversion circuit of dot patterns in a dot-system printer or display control unit.
CONSTITUTION: By write indication of a microprogram, data and a write signal are supplied from data bus 101 and control line 102 respectively, and data is set into register 103. Next, by the similar operation, data is set into register 103, and simultaneously, data set first into register 103 is shifted to register 104. When data are written into register 103 successively in this manner, data written first to register 103 is shifted to register 110, and similar shifted data are inputted to registers 109W 104. Next, when selection signals are supplied to multiplexers 119W126, only the most significant bits of registers 103W110 are inputted to multiplexers 119W126, and after that, lower bits are inputted successively, and the least significant bits are inputted, thus completing horizontal-vertical conversion.
COPYRIGHT: (C)1980,JPO&Japio
JP2997679A 1979-03-16 1979-03-16 Dot pattern conversion system Pending JPS55123788A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2997679A JPS55123788A (en) 1979-03-16 1979-03-16 Dot pattern conversion system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2997679A JPS55123788A (en) 1979-03-16 1979-03-16 Dot pattern conversion system

Publications (1)

Publication Number Publication Date
JPS55123788A true JPS55123788A (en) 1980-09-24

Family

ID=12290981

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2997679A Pending JPS55123788A (en) 1979-03-16 1979-03-16 Dot pattern conversion system

Country Status (1)

Country Link
JP (1) JPS55123788A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62135367A (en) * 1985-12-10 1987-06-18 Nec Corp Printer controller

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62135367A (en) * 1985-12-10 1987-06-18 Nec Corp Printer controller

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