JPS5680747A - Conditional branching system of program controlling device - Google Patents

Conditional branching system of program controlling device

Info

Publication number
JPS5680747A
JPS5680747A JP15756679A JP15756679A JPS5680747A JP S5680747 A JPS5680747 A JP S5680747A JP 15756679 A JP15756679 A JP 15756679A JP 15756679 A JP15756679 A JP 15756679A JP S5680747 A JPS5680747 A JP S5680747A
Authority
JP
Japan
Prior art keywords
branch
condition
conditions
preset
bit
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.)
Granted
Application number
JP15756679A
Other languages
Japanese (ja)
Other versions
JPS6318222B2 (en
Inventor
Masao Kako
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP15756679A priority Critical patent/JPS5680747A/en
Publication of JPS5680747A publication Critical patent/JPS5680747A/en
Publication of JPS6318222B2 publication Critical patent/JPS6318222B2/ja
Granted legal-status Critical Current

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  • Executing Machine-Instructions (AREA)

Abstract

PURPOSE: To make a branch effectively in a short time by discriminating conditions simultaneously and by branching a program to predetermined branch destinations on the basis of results of the discrimination.
CONSTITUTION: Branch-destination address area JADD of instruction register 4 is assigned by F, O, 3 and four conditions A, B, C, and D, for example, are discriminated. On the basis of the results, four bits of a branch address expressed as hexadecimal number "0" are modified to make a branch to a predetermined branch destination. Four conditions AWD are selected by multiplexer 8 through the assignment of condition selective assignment area S. Presetting means 6 outputs condition A of "1" by setting a bit (e.g. A), which corresponds to a condition in preset assignment area PS to be preset, to "1". Mask means 7 outputs bit "0" as condition D by setting a bit, which corresponds to a condition (e.g. D) in mask assignment area MS to be preset, to "0". Under the conditions determined by said mask means 7 and presetting means 6, the branch destination address is determined.
COPYRIGHT: (C)1981,JPO&Japio
JP15756679A 1979-12-05 1979-12-05 Conditional branching system of program controlling device Granted JPS5680747A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15756679A JPS5680747A (en) 1979-12-05 1979-12-05 Conditional branching system of program controlling device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15756679A JPS5680747A (en) 1979-12-05 1979-12-05 Conditional branching system of program controlling device

Publications (2)

Publication Number Publication Date
JPS5680747A true JPS5680747A (en) 1981-07-02
JPS6318222B2 JPS6318222B2 (en) 1988-04-18

Family

ID=15652475

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15756679A Granted JPS5680747A (en) 1979-12-05 1979-12-05 Conditional branching system of program controlling device

Country Status (1)

Country Link
JP (1) JPS5680747A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61156335A (en) * 1984-12-21 1986-07-16 アドバンスト・マイクロ・デイバイシズ・インコーポレーテツド Integrated programable controller
JPS61195428A (en) * 1985-02-26 1986-08-29 Fujitsu Ltd Multiway restart system
US5996070A (en) * 1996-07-30 1999-11-30 Mitsubishi Denki Kabushiki Kaisha Microprocessor capable of executing condition execution instructions using encoded condition execution field in the instructions

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49103548A (en) * 1973-02-05 1974-10-01
JPS5058960A (en) * 1973-09-25 1975-05-22
JPS51124342A (en) * 1975-04-23 1976-10-29 Toshiba Corp Information processing unit

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49103548A (en) * 1973-02-05 1974-10-01
JPS5058960A (en) * 1973-09-25 1975-05-22
JPS51124342A (en) * 1975-04-23 1976-10-29 Toshiba Corp Information processing unit

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61156335A (en) * 1984-12-21 1986-07-16 アドバンスト・マイクロ・デイバイシズ・インコーポレーテツド Integrated programable controller
JPS61195428A (en) * 1985-02-26 1986-08-29 Fujitsu Ltd Multiway restart system
US5996070A (en) * 1996-07-30 1999-11-30 Mitsubishi Denki Kabushiki Kaisha Microprocessor capable of executing condition execution instructions using encoded condition execution field in the instructions

Also Published As

Publication number Publication date
JPS6318222B2 (en) 1988-04-18

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