AU550176B2 - Executing decimal alphanumeric instruction - Google Patents

Executing decimal alphanumeric instruction

Info

Publication number
AU550176B2
AU550176B2 AU78872/81A AU7887281A AU550176B2 AU 550176 B2 AU550176 B2 AU 550176B2 AU 78872/81 A AU78872/81 A AU 78872/81A AU 7887281 A AU7887281 A AU 7887281A AU 550176 B2 AU550176 B2 AU 550176B2
Authority
AU
Australia
Prior art keywords
decimal
executing
alphanumeric
instruction
alphanumeric instruction
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.)
Ceased
Application number
AU78872/81A
Other languages
English (en)
Other versions
AU7887281A (en
Inventor
Virendra S. Negi
Steven A. Tague
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.)
Bull HN Information Systems Inc
Original Assignee
Honeywell Information Systems Italia SpA
Honeywell Information Systems Inc
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 Honeywell Information Systems Italia SpA, Honeywell Information Systems Inc filed Critical Honeywell Information Systems Italia SpA
Publication of AU7887281A publication Critical patent/AU7887281A/en
Application granted granted Critical
Publication of AU550176B2 publication Critical patent/AU550176B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/22—Microcontrol or microprogram arrangements
    • G06F9/226—Microinstruction function, e.g. input/output microinstruction; diagnostic microinstruction; microinstruction format

Landscapes

  • Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Executing Machine-Instructions (AREA)
AU78872/81A 1980-12-24 1981-12-24 Executing decimal alphanumeric instruction Ceased AU550176B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US219809 1980-12-24
US06/219,809 US4426680A (en) 1980-12-24 1980-12-24 Data processor using read only memories for optimizing main memory access and identifying the starting position of an operand

Publications (2)

Publication Number Publication Date
AU7887281A AU7887281A (en) 1982-07-01
AU550176B2 true AU550176B2 (en) 1986-03-06

Family

ID=22820874

Family Applications (1)

Application Number Title Priority Date Filing Date
AU78872/81A Ceased AU550176B2 (en) 1980-12-24 1981-12-24 Executing decimal alphanumeric instruction

Country Status (4)

Country Link
US (1) US4426680A (OSRAM)
JP (1) JPS57172439A (OSRAM)
AU (1) AU550176B2 (OSRAM)
CA (1) CA1170774A (OSRAM)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4638450A (en) * 1983-09-30 1987-01-20 Honeywell Information Systems Inc. Equal nine apparatus for supporting absolute value subtracts on decimal operands of unequal length
US4604722A (en) * 1983-09-30 1986-08-05 Honeywell Information Systems Inc. Decimal arithmetic logic unit for doubling or complementing decimal operand
US4615016A (en) * 1983-09-30 1986-09-30 Honeywell Information Systems Inc. Apparatus for performing simplified decimal multiplication by stripping leading zeroes
US4672360A (en) * 1983-09-30 1987-06-09 Honeywell Information Systems Inc. Apparatus and method for converting a number in binary format to a decimal format
US4604695A (en) * 1983-09-30 1986-08-05 Honeywell Information Systems Inc. Nibble and word addressable memory arrangement
US4608659A (en) * 1983-09-30 1986-08-26 Honeywell Information Systems Inc. Arithmetic logic unit with outputs indicating invalid computation results caused by invalid operands
US4942547A (en) * 1985-04-11 1990-07-17 Honeywell Bull, Inc. Multiprocessors on a single semiconductor chip
IT1184013B (it) * 1985-12-13 1987-10-22 Elsag Memoria ad elevata capacita accessibile a diverse agenti
JP2559382B2 (ja) * 1986-11-05 1996-12-04 株式会社日立製作所 情報処理装置
US5179671A (en) * 1989-03-31 1993-01-12 Bull Hn Information Systems Inc. Apparatus for generating first and second selection signals for aligning words of an operand and bytes within these words respectively
US6185633B1 (en) * 1997-03-20 2001-02-06 National Semiconductor Corp. DMA configurable receive channel with memory width N and with steering logic compressing N multiplexors
US6304948B1 (en) * 1998-10-06 2001-10-16 Ricoh Corporation Method and apparatus for erasing data after expiration
US6301670B1 (en) 1998-10-06 2001-10-09 Ricoh Corporation Method and apparatus for erasing data when a problem is identified
US7325052B1 (en) 1998-10-06 2008-01-29 Ricoh Company, Ltd. Method and system to erase data after expiration or other condition
US20060156381A1 (en) 2005-01-12 2006-07-13 Tetsuro Motoyama Approach for deleting electronic documents on network devices using document retention policies
US8272028B2 (en) * 2008-10-15 2012-09-18 Ricoh Company, Ltd. Approach for managing access to electronic documents on network devices using document retention policies and document security policies

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3787673A (en) 1972-04-28 1974-01-22 Texas Instruments Inc Pipelined high speed arithmetic unit
US4021655A (en) * 1976-03-30 1977-05-03 International Business Machines Corporation Oversized data detection hardware for data processors which store data at variable length destinations
US4276596A (en) 1979-01-02 1981-06-30 Honeywell Information Systems Inc. Short operand alignment and merge operation
US4125867A (en) 1976-10-27 1978-11-14 Texas Instruments Incorporated Electronic calculator or microprocessor having a hexadecimal/binary coded decimal arithmetic unit
JPS5441039A (en) * 1977-09-08 1979-03-31 Nec Corp Processing unit of high level language program
US4203157A (en) 1978-09-05 1980-05-13 Motorola, Inc. Carry anticipator circuit and method
US4246644A (en) * 1979-01-02 1981-01-20 Honeywell Information Systems Inc. Vector branch indicators to control firmware

Also Published As

Publication number Publication date
JPH022171B2 (OSRAM) 1990-01-17
JPS57172439A (en) 1982-10-23
CA1170774A (en) 1984-07-10
US4426680A (en) 1984-01-17
AU7887281A (en) 1982-07-01

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