JPS5423343A - Microprogram controller - Google Patents
Microprogram controllerInfo
- Publication number
- JPS5423343A JPS5423343A JP8851377A JP8851377A JPS5423343A JP S5423343 A JPS5423343 A JP S5423343A JP 8851377 A JP8851377 A JP 8851377A JP 8851377 A JP8851377 A JP 8851377A JP S5423343 A JPS5423343 A JP S5423343A
- Authority
- JP
- Japan
- Prior art keywords
- address
- microprogram controller
- branch
- shorten
- selecting
- 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
Links
Landscapes
- Executing Machine-Instructions (AREA)
Abstract
PURPOSE: To shorten a process time, by respectively storing present address+1 and a branch-destination address in two address registers and by determining the next address by selecting an address register on the basis of the condition discrimination of execution result of a branch microinstruction.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8851377A JPS5423343A (en) | 1977-07-22 | 1977-07-22 | Microprogram controller |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8851377A JPS5423343A (en) | 1977-07-22 | 1977-07-22 | Microprogram controller |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5423343A true JPS5423343A (en) | 1979-02-21 |
Family
ID=13944899
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8851377A Pending JPS5423343A (en) | 1977-07-22 | 1977-07-22 | Microprogram controller |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5423343A (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5794851A (en) * | 1980-12-03 | 1982-06-12 | Fujitsu Ltd | Instruction fetch control system |
JPS5798043A (en) * | 1980-12-12 | 1982-06-18 | Hitachi Ltd | Device for controlling conditional branch |
JPS61147341A (en) * | 1984-12-20 | 1986-07-05 | Fujitsu Ltd | Branch control system |
JPS6282402A (en) * | 1985-10-07 | 1987-04-15 | Toshiba Corp | Sequence controller |
JPH01175633A (en) * | 1987-12-29 | 1989-07-12 | Fujitsu Ltd | Data processor |
JPH06301532A (en) * | 1993-04-19 | 1994-10-28 | Kawasaki Steel Corp | Microprocessor unit |
-
1977
- 1977-07-22 JP JP8851377A patent/JPS5423343A/en active Pending
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5794851A (en) * | 1980-12-03 | 1982-06-12 | Fujitsu Ltd | Instruction fetch control system |
JPS5798043A (en) * | 1980-12-12 | 1982-06-18 | Hitachi Ltd | Device for controlling conditional branch |
JPS61147341A (en) * | 1984-12-20 | 1986-07-05 | Fujitsu Ltd | Branch control system |
JPS6282402A (en) * | 1985-10-07 | 1987-04-15 | Toshiba Corp | Sequence controller |
JPH01175633A (en) * | 1987-12-29 | 1989-07-12 | Fujitsu Ltd | Data processor |
JPH06301532A (en) * | 1993-04-19 | 1994-10-28 | Kawasaki Steel Corp | Microprocessor unit |
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