GB2116756B - Data processing apparatus with prediction facility for the processing of decimal digit short operands - Google Patents

Data processing apparatus with prediction facility for the processing of decimal digit short operands

Info

Publication number
GB2116756B
GB2116756B GB08235230A GB8235230A GB2116756B GB 2116756 B GB2116756 B GB 2116756B GB 08235230 A GB08235230 A GB 08235230A GB 8235230 A GB8235230 A GB 8235230A GB 2116756 B GB2116756 B GB 2116756B
Authority
GB
United Kingdom
Prior art keywords
processing apparatus
decimal digit
data processing
prediction facility
digit short
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.)
Expired
Application number
GB08235230A
Other versions
GB2116756A (en
Inventor
Richard T Flynn
Jerry L Kindell
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 Italia SpA
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
Priority claimed from US06/000,391 external-priority patent/US4224682A/en
Priority claimed from US06/000,224 external-priority patent/US4246644A/en
Priority claimed from US06/000,220 external-priority patent/US4268909A/en
Priority claimed from US06/000,223 external-priority patent/US4321668A/en
Priority claimed from US06/000,401 external-priority patent/US4276596A/en
Priority claimed from US06/000,399 external-priority patent/US4240144A/en
Application filed by Honeywell Information Systems Italia SpA, Honeywell Information Systems Inc filed Critical Honeywell Information Systems Italia SpA
Publication of GB2116756A publication Critical patent/GB2116756A/en
Application granted granted Critical
Publication of GB2116756B publication Critical patent/GB2116756B/en
Expired 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
    • G06F7/38—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
    • G06F7/483—Computations with numbers represented by a non-linear combination of denominational numbers, e.g. rational numbers, logarithmic number system or floating-point numbers
    • 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.
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/30003—Arrangements for executing specific machine instructions
    • G06F9/30007—Arrangements for executing specific machine instructions to perform operations on data operands
    • G06F9/3001—Arithmetic instructions
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/30003—Arrangements for executing specific machine instructions
    • G06F9/30007—Arrangements for executing specific machine instructions to perform operations on data operands
    • G06F9/30018—Bit or string instructions
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/30145—Instruction analysis, e.g. decoding, instruction word fields
    • G06F9/3016—Decoding the operand specifier, e.g. specifier format
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/30145—Instruction analysis, e.g. decoding, instruction word fields
    • G06F9/3016—Decoding the operand specifier, e.g. specifier format
    • G06F9/30167—Decoding the operand specifier, e.g. specifier format of immediate specifier, e.g. constants

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Computing Systems (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Advance Control (AREA)
  • Executing Machine-Instructions (AREA)
  • Memory System Of A Hierarchy Structure (AREA)
GB08235230A 1979-01-02 1982-12-10 Data processing apparatus with prediction facility for the processing of decimal digit short operands Expired GB2116756B (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US06/000,391 US4224682A (en) 1979-01-02 1979-01-02 Pointer for defining the data by controlling merge switches
US06/000,224 US4246644A (en) 1979-01-02 1979-01-02 Vector branch indicators to control firmware
US06/000,220 US4268909A (en) 1979-01-02 1979-01-02 Numeric data fetch - alignment of data including scale factor difference
US06/000,223 US4321668A (en) 1979-01-02 1979-01-02 Prediction of number of data words transferred and the cycle at which data is available
US06/000,401 US4276596A (en) 1979-01-02 1979-01-02 Short operand alignment and merge operation
US06/000,399 US4240144A (en) 1979-01-02 1979-01-02 Long operand alignment and merge operation

Publications (2)

Publication Number Publication Date
GB2116756A GB2116756A (en) 1983-09-28
GB2116756B true GB2116756B (en) 1984-02-22

Family

ID=27555355

Family Applications (6)

Application Number Title Priority Date Filing Date
GB7943118A Expired GB2041590B (en) 1979-01-02 1979-12-14 Data processing system
GB08235232A Expired GB2117941B (en) 1979-01-02 1982-12-10 Alignment and merge operations on resultant short operands
GB08235233A Expired GB2117541B (en) 1979-01-02 1982-12-10 Data processing apparatus controlling data merge switches by means of pointers defining the data
GB08235231A Expired GB2117940B (en) 1979-01-02 1982-12-10 Data processing apparatus with vector branch indicators controlling firmware
GB08235230A Expired GB2116756B (en) 1979-01-02 1982-12-10 Data processing apparatus with prediction facility for the processing of decimal digit short operands
GB08235229A Expired GB2115586B (en) 1979-01-02 1982-12-10 Alignment and merge operations on resultant long operands

Family Applications Before (4)

Application Number Title Priority Date Filing Date
GB7943118A Expired GB2041590B (en) 1979-01-02 1979-12-14 Data processing system
GB08235232A Expired GB2117941B (en) 1979-01-02 1982-12-10 Alignment and merge operations on resultant short operands
GB08235233A Expired GB2117541B (en) 1979-01-02 1982-12-10 Data processing apparatus controlling data merge switches by means of pointers defining the data
GB08235231A Expired GB2117940B (en) 1979-01-02 1982-12-10 Data processing apparatus with vector branch indicators controlling firmware

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB08235229A Expired GB2115586B (en) 1979-01-02 1982-12-10 Alignment and merge operations on resultant long operands

Country Status (4)

Country Link
CA (1) CA1145054A (en)
DE (1) DE3000045A1 (en)
FR (1) FR2445986B1 (en)
GB (6) GB2041590B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4604695A (en) * 1983-09-30 1986-08-05 Honeywell Information Systems Inc. Nibble and word addressable memory arrangement
US4644489A (en) * 1984-02-10 1987-02-17 Prime Computer, Inc. Multi-format binary coded decimal processor with selective output formatting

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3641331A (en) * 1969-11-12 1972-02-08 Honeywell Inc Apparatus for performing arithmetic operations on numbers using a multiple generating and storage technique
US3735364A (en) * 1970-06-03 1973-05-22 Nippon Electric Co Data handling system for handling data in compliance with normal and special descriptors
US3805247A (en) * 1972-05-16 1974-04-16 Burroughs Corp Description driven microprogrammable multiprocessor system
US3930232A (en) * 1973-11-23 1975-12-30 Raytheon Co Format insensitive digital computer
FR111576A (en) * 1973-12-13 1900-01-01
FR111574A (en) * 1973-12-13 1900-01-01
FR2291542A1 (en) * 1974-01-07 1976-06-11 Cii CHARACTER OPERATOR WORKING IN BINARY DECIMALS
US4001570A (en) * 1975-06-17 1977-01-04 International Business Machines Corporation Arithmetic unit for a digital data processor

Also Published As

Publication number Publication date
GB2041590B (en) 1983-09-01
GB2117940B (en) 1984-03-21
FR2445986B1 (en) 1988-10-28
GB2117541B (en) 1984-03-21
GB2116756A (en) 1983-09-28
GB2117941B (en) 1984-03-21
GB2115586A (en) 1983-09-07
GB2117941A (en) 1983-10-19
FR2445986A1 (en) 1980-08-01
GB2117541A (en) 1983-10-12
DE3000045A1 (en) 1980-07-10
CA1145054A (en) 1983-04-19
GB2041590A (en) 1980-09-10
GB2117940A (en) 1983-10-19
GB2115586B (en) 1984-02-01

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee