AU545326B2 – Data processor performing a decimal multiply operation using a read only memory
– Google Patents
AU545326B2 – Data processor performing a decimal multiply operation using a read only memory
– Google Patents
Data processor performing a decimal multiply operation using a read only memory
Info
Publication number
AU545326B2
AU545326B2
AU78851/81A
AU7885181A
AU545326B2
AU 545326 B2
AU545326 B2
AU 545326B2
AU 78851/81 A
AU78851/81 A
AU 78851/81A
AU 7885181 A
AU7885181 A
AU 7885181A
AU 545326 B2
AU545326 B2
AU 545326B2
Authority
AU
Australia
Prior art keywords
read
memory
data processor
processor performing
multiply operation
Prior art date
1980-12-24
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
AU78851/81A
Other versions
AU7885181A
(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.)
1980-12-24
Filing date
1981-12-23
Publication date
1985-07-11
1981-12-23
Application filed by Honeywell Information Systems Italia SpA, Honeywell Information Systems Inc
filed
Critical
Honeywell Information Systems Italia SpA
1982-07-01
Publication of AU7885181A
publication
Critical
patent/AU7885181A/en
1985-07-11
Application granted
granted
Critical
1985-07-11
Publication of AU545326B2
publication
Critical
patent/AU545326B2/en
2001-12-23
Anticipated expiration
legal-status
Critical
Status
Ceased
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
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
G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
G06F7/48—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices
G06F7/52—Multiplying; Dividing
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
G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
G06F7/48—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices
G06F7/491—Computations with decimal numbers radix 12 or 20.
G06F7/4915—Multiplying; Dividing
AU78851/81A
1980-12-24
1981-12-23
Data processor performing a decimal multiply operation using a read only memory
Ceased
AU545326B2
(en)
Applications Claiming Priority (2)
Application Number
Priority Date
Filing Date
Title
US06/220,218
US4390961A
(en)
1980-12-24
1980-12-24
Data processor performing a decimal multiply operation using a read only memory
US220218
1980-12-24
Publications (2)
Publication Number
Publication Date
AU7885181A
AU7885181A
(en)
1982-07-01
AU545326B2
true
AU545326B2
(en)
1985-07-11
Family
ID=22822594
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
AU78851/81A
Ceased
AU545326B2
(en)
1980-12-24
1981-12-23
Data processor performing a decimal multiply operation using a read only memory
Country Status (11)
Country
Link
US
(1)
US4390961A
(en)
JP
(1)
JPS57172445A
(en)
KR
(1)
KR860001433B1
(en)
AU
(1)
AU545326B2
(en)
BR
(1)
BR8108198A
(en)
CA
(1)
CA1171181A
(en)
ES
(1)
ES8304680A1
(en)
FI
(1)
FI78186C
(en)
MX
(1)
MX151461A
(en)
PH
(1)
PH19918A
(en)
YU
(1)
YU43057B
(en)
Cited By (1)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
AU573246B2
(en)
*
1983-08-24
1988-06-02
Amdahl Corporation
Signed multiplier
Families Citing this family (20)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US4566075A
(en)
*
1982-12-21
1986-01-21
Texas Instruments Incorporated
Table lookup multiplier employing compressed data read only memory
US4604695A
(en)
*
1983-09-30
1986-08-05
Honeywell Information Systems Inc.
Nibble and word addressable memory arrangement
US4615016A
(en)
*
1983-09-30
1986-09-30
Honeywell Information Systems Inc.
Apparatus for performing simplified decimal multiplication by stripping leading zeroes
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
US4604722A
(en)
*
1983-09-30
1986-08-05
Honeywell Information Systems Inc.
Decimal arithmetic logic unit for doubling or complementing decimal operand
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
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
US4942547A
(en)
*
1985-04-11
1990-07-17
Honeywell Bull, Inc.
Multiprocessors on a single semiconductor chip
US4799181A
(en)
*
1986-09-30
1989-01-17
Honeywell Bull Inc.
BCD arithmetic using binary arithmetic and logical operations
US5212662A
(en)
*
1989-01-13
1993-05-18
International Business Machines Corporation
Floating point arithmetic two cycle data flow
US4999802A
(en)
*
1989-01-13
1991-03-12
International Business Machines Corporation
Floating point arithmetic two cycle data flow
US5440749A
(en)
*
1989-08-03
1995-08-08
Nanotronics Corporation
High performance, low cost microprocessor architecture
US5822609A
(en)
*
1995-06-22
1998-10-13
International Business Machines Corporation
Processing circuit for performing a convolution computation
US5737257A
(en)
*
1995-09-13
1998-04-07
Holtek Microelectronics, Inc.
Method and apparatus for compression of integer multiplication table
US7266580B2
(en)
*
2003-05-12
2007-09-04
International Business Machines Corporation
Modular binary multiplier for signed and unsigned operands of variable widths
US20050022322A1
(en)
*
2003-05-12
2005-02-03
Eduardo Jimenez
Powered toothbrush with curved neck and flexible shaft and single battery
US7167889B2
(en)
2003-05-12
2007-01-23
International Business Machines Corporation
Decimal multiplication for superscaler processors
US7136893B2
(en)
*
2003-07-10
2006-11-14
International Business Machines Corporation
Decimal multiplication using digit recoding
US10241757B2
(en)
2016-09-30
2019-03-26
International Business Machines Corporation
Decimal shift and divide instruction
US10127015B2
(en)
2016-09-30
2018-11-13
International Business Machines Corporation
Decimal multiply and shift instruction
Family Cites Families (4)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US3551663A
(en)
*
1965-04-15
1970-12-29
Gen Electric
Multiplication apparatus in a data processing system with a variable length multiplier
JPS4940037A
(en)
*
1972-08-17
1974-04-15
JPS50159223A
(en)
*
1974-06-12
1975-12-23
JPS5569850A
(en)
*
1978-11-22
1980-05-26
Toshiba Corp
Decimal multiplication system
1980
1980-12-24
US
US06/220,218
patent/US4390961A/en
not_active
Expired – Fee Related
1981
1981-12-09
CA
CA000391904A
patent/CA1171181A/en
not_active
Expired
1981-12-11
MX
MX190572A
patent/MX151461A/en
unknown
1981-12-16
BR
BR8108198A
patent/BR8108198A/en
unknown
1981-12-16
PH
PH26635A
patent/PH19918A/en
unknown
1981-12-16
FI
FI814045A
patent/FI78186C/en
not_active
IP Right Cessation
1981-12-17
KR
KR1019810004965A
patent/KR860001433B1/en
active
1981-12-23
AU
AU78851/81A
patent/AU545326B2/en
not_active
Ceased
1981-12-23
ES
ES508299A
patent/ES8304680A1/en
not_active
Expired
1981-12-23
YU
YU3061/81A
patent/YU43057B/en
unknown
1981-12-24
JP
JP56208240A
patent/JPS57172445A/en
active
Pending
Cited By (1)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
AU573246B2
(en)
*
1983-08-24
1988-06-02
Amdahl Corporation
Signed multiplier
Also Published As
Publication number
Publication date
ES508299A0
(en)
1983-03-01
MX151461A
(en)
1984-11-28
US4390961A
(en)
1983-06-28
KR830008239A
(en)
1983-11-16
FI78186C
(en)
1989-06-12
BR8108198A
(en)
1982-09-28
YU306181A
(en)
1983-12-31
JPS57172445A
(en)
1982-10-23
PH19918A
(en)
1986-08-14
YU43057B
(en)
1989-02-28
FI78186B
(en)
1989-02-28
ES8304680A1
(en)
1983-03-01
CA1171181A
(en)
1984-07-17
FI814045L
(en)
1982-06-25
AU7885181A
(en)
1982-07-01
KR860001433B1
(en)
1986-09-24
Similar Documents
Publication
Publication Date
Title
AU545326B2
(en)
1985-07-11
Data processor performing a decimal multiply operation using a read only memory
GB2013008B
(en)
1982-03-10
Data processing system using a separate input/output processor
EP0186958A3
(en)
1988-01-07
Digital data processor for matrix-vector multiplication digital data processor for matrix-vector multiplication
DE3380279D1
(en)
1989-08-31
A data processor with parallel-operating operation units
DE2966845D1
(en)
1984-04-26
Data processing system including a data storage control unit
DE3265344D1
(en)
1985-09-19
Cash-register with a computer
JPS5781666A
(en)
1982-05-21
Data processor
AU542187B2
(en)
1985-02-14
Data processor
YU3279A
(en)
1983-04-30
Data processing system realized with a microprogram having an sddress function with repeated lengths
JPS57135493A
(en)
1982-08-21
Data processor
GB2017361B
(en)
1982-03-24
Data processor
EP0035647A3
(en)
1982-04-28
A data processing system
AU554993B2
(en)
1986-09-11
Data processor having carry apparatus supporting a decimal divide operation
AU554953B2
(en)
1986-09-11
Decimal multiply operation
AU531869B2
(en)
1983-09-08
Data processor
DK268782A
(en)
1982-06-15
STORAGE FOR A DATA PROCESSING UNIT
DE2965381D1
(en)
1983-06-16
Input/output-system for a data processing system
JPS5723997A
(en)
1982-02-08
Data processor
GB2144245B
(en)
1987-07-29
A digital data processor for matrix/matrix multiplication
AU546662B2
(en)
1985-09-12
Meter reading by portable computer
DE2965985D1
(en)
1983-09-01
Page addressing mechanism in a data processing system
JPS5748768A
(en)
1982-03-20
Data processor
JPS5570982A
(en)
1980-05-28
Multiiport ram mechanism for data processorr register
GB2069198B
(en)
1984-12-19
Pipelined data processor
JPS5592946A
(en)
1980-07-14
Decimal multiplication for data processing system
None