JPS5773455A - Overscale process system of digital differential analyzer - Google Patents

Overscale process system of digital differential analyzer

Info

Publication number
JPS5773455A
JPS5773455A JP55149556A JP14955680A JPS5773455A JP S5773455 A JPS5773455 A JP S5773455A JP 55149556 A JP55149556 A JP 55149556A JP 14955680 A JP14955680 A JP 14955680A JP S5773455 A JPS5773455 A JP S5773455A
Authority
JP
Japan
Prior art keywords
overscale
register
contents
process system
digital differential
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
JP55149556A
Other languages
Japanese (ja)
Inventor
Takeshi Saito
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.)
Hitachi Denshi KK
Original Assignee
Hitachi Denshi KK
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 Hitachi Denshi KK filed Critical Hitachi Denshi KK
Priority to JP55149556A priority Critical patent/JPS5773455A/en
Publication of JPS5773455A publication Critical patent/JPS5773455A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/60—Methods or arrangements for performing computations using a digital non-denominational number representation, i.e. number representation without radix; Computing devices using combinations of denominational and non-denominational quantity representations, e.g. using difunction pulse trains, STEELE computers, phase computers
    • G06F7/64—Digital differential analysers, i.e. computing devices for differentiation, integration or solving differential or integral equations, using pulses representing increments; Other incremental computing devices for solving difference equations

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)

Abstract

PURPOSE:To effectively prevent the overscale of a register Y, by transmitting the contents of the register Y as it is in place of the output of an adder when the fact that the contents of the register Y is set in the state which is right before an overscale is detected. CONSTITUTION:A Y register YR is set in the state which is right before an overscale, and this fact is detected by an overscale detector OVD. According to the result of this detection, a selector SL5 is controlled. Then the contents of the register YR is selected in place of the output of an adder AD2, and the output of the contents is sent to the register YR and an adder AD3. In such way, the overscale can be effectively prevented for a register Y.
JP55149556A 1980-10-25 1980-10-25 Overscale process system of digital differential analyzer Pending JPS5773455A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55149556A JPS5773455A (en) 1980-10-25 1980-10-25 Overscale process system of digital differential analyzer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55149556A JPS5773455A (en) 1980-10-25 1980-10-25 Overscale process system of digital differential analyzer

Publications (1)

Publication Number Publication Date
JPS5773455A true JPS5773455A (en) 1982-05-08

Family

ID=15477742

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55149556A Pending JPS5773455A (en) 1980-10-25 1980-10-25 Overscale process system of digital differential analyzer

Country Status (1)

Country Link
JP (1) JPS5773455A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59223846A (en) * 1983-06-02 1984-12-15 Matsushita Electric Ind Co Ltd Arithmetic processor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59223846A (en) * 1983-06-02 1984-12-15 Matsushita Electric Ind Co Ltd Arithmetic processor

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