JPS57756A - Data processor - Google Patents
Data processorInfo
- Publication number
- JPS57756A JPS57756A JP7435280A JP7435280A JPS57756A JP S57756 A JPS57756 A JP S57756A JP 7435280 A JP7435280 A JP 7435280A JP 7435280 A JP7435280 A JP 7435280A JP S57756 A JPS57756 A JP S57756A
- Authority
- JP
- Japan
- Prior art keywords
- register
- operand
- mode
- data processor
- 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.)
- Granted
Links
Landscapes
- Advance Control (AREA)
- Executing Machine-Instructions (AREA)
Abstract
PURPOSE: To reduce the memory capacity of a data processor which performs pipeline processing, by executing an operand by the same microinstruction in both register direct mode and memory reference mode.
CONSTITUTION: Between an instruction setup unit 100 and an instruction execution unit 101, a register 300 for communication is provided and when an operand is supplied in register direct mode, the instruction setup unit 100 accesses a general register 114 to transfer and fetch selectively the contents of the register as the operand into the register 300 for communication in advance. When an addressing mode is a memory reference mode, the operand of this register 300 is read into the instruction execution unit 101. Therefore, a microprogram executing instructions is made common.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7435280A JPS57756A (en) | 1980-06-04 | 1980-06-04 | Data processor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7435280A JPS57756A (en) | 1980-06-04 | 1980-06-04 | Data processor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57756A true JPS57756A (en) | 1982-01-05 |
| JPS6217773B2 JPS6217773B2 (en) | 1987-04-20 |
Family
ID=13544640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7435280A Granted JPS57756A (en) | 1980-06-04 | 1980-06-04 | Data processor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57756A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58146941A (en) * | 1982-02-26 | 1983-09-01 | Hitachi Ltd | Microprogram control data processing device |
| JPS59184948A (en) * | 1983-04-04 | 1984-10-20 | Hitachi Ltd | Variable structured microcomputer |
| JPS61238100A (en) * | 1985-04-16 | 1986-10-23 | 株式会社日立製作所 | Voice input/output unit |
| JPS61285537A (en) * | 1985-06-12 | 1986-12-16 | Hitachi Ltd | Data processor by microprogram control |
| JPS63245523A (en) * | 1987-03-31 | 1988-10-12 | Toshiba Corp | microprogram processing device |
| JPH0290325A (en) * | 1988-09-28 | 1990-03-29 | Mitsubishi Electric Corp | data processing equipment |
-
1980
- 1980-06-04 JP JP7435280A patent/JPS57756A/en active Granted
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58146941A (en) * | 1982-02-26 | 1983-09-01 | Hitachi Ltd | Microprogram control data processing device |
| US4807113A (en) * | 1982-02-26 | 1989-02-21 | Hitachi, Ltd. | Microprogrammed control data processing apparatus in which operand source and/or operand destination is determined independent of microprogram control |
| JPS59184948A (en) * | 1983-04-04 | 1984-10-20 | Hitachi Ltd | Variable structured microcomputer |
| JPS61238100A (en) * | 1985-04-16 | 1986-10-23 | 株式会社日立製作所 | Voice input/output unit |
| JPS61285537A (en) * | 1985-06-12 | 1986-12-16 | Hitachi Ltd | Data processor by microprogram control |
| JPS63245523A (en) * | 1987-03-31 | 1988-10-12 | Toshiba Corp | microprogram processing device |
| JPH0290325A (en) * | 1988-09-28 | 1990-03-29 | Mitsubishi Electric Corp | data processing equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6217773B2 (en) | 1987-04-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS56149646A (en) | Operation controller | |
| JPS5621240A (en) | Information processor | |
| JPS5672742A (en) | Data processor | |
| JPS57756A (en) | Data processor | |
| JPS5475964A (en) | Data pre-fetch system | |
| JPS57209542A (en) | Microprogram controlling system | |
| JPS5764860A (en) | Parallel processing system | |
| JPS57753A (en) | Microprogram controller | |
| JPS5569856A (en) | Overlap system | |
| JPS5537656A (en) | Microprogram control system | |
| JPS5556253A (en) | Data processor | |
| JPS5794999A (en) | Protection system for microinstruction control memory | |
| JPS5510659A (en) | Data processor | |
| JPS57101945A (en) | Control system of information processor | |
| JPS5636743A (en) | Microprogram controller | |
| JPS5621241A (en) | Pipeline control method for computer operation | |
| JPS556602A (en) | Multiprocessor system | |
| JPS5510673A (en) | Microprogram control data processor | |
| JPS5696336A (en) | Processing system for multilayer level microprogram | |
| JPS5633746A (en) | Arithmetic processor having logging function | |
| JPS54107239A (en) | Program execution order control system | |
| JPS54140846A (en) | Micro-diagnostic system | |
| SE8500156D0 (en) | PROCEDURE FOR PROCESSING MACHINE-CODED INSTRUCTION WORDS AND DATA PROCESSOR FOR EXECUTING THE PROCEDURE | |
| JPS5587362A (en) | Buffer memory control system | |
| JPS5617402A (en) | Programmable sequence controller |