JPS55131850A - Microprogram controller - Google Patents
Microprogram controllerInfo
- Publication number
- JPS55131850A JPS55131850A JP3931379A JP3931379A JPS55131850A JP S55131850 A JPS55131850 A JP S55131850A JP 3931379 A JP3931379 A JP 3931379A JP 3931379 A JP3931379 A JP 3931379A JP S55131850 A JPS55131850 A JP S55131850A
- Authority
- JP
- Japan
- Prior art keywords
- control
- cycles
- read
- arithmetic part
- register
- 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
Abstract
PURPOSE: To remove a restriction on the control function of a main control part by previously storing instructions, read from a control memory, in a register bank which provides a high-speed read, by reading them at need by an instruction, and by exercising high-speed control over an auxiliary arithmetic part in a basic cycle.
CONSTITUTION: Arithmetic part 6 composed of main arithmetic part 6a operating at basic cycles under the control of a microprogram and auxiliary arithmetic part 6b operating at cylces obtained by the basic cycles by an integer, and control register 5 which reads microinstructions from control memory 1 synchronizing with cycles for the storage of microinstructions and operation of arithmetic part 6 are provided. Additionally, register bank 7 is provided which consists of registers stored with fields of some of microinstrctions read and sent to register 5 and reading fields of some of microinstructions at cycles obtained by the basis cycles by the integer, and some of micro-instructions read out from control memory 1 are stored in bank 7 and read as needed so as to exercise high-speed control over arithemetic part 6b, thereby removing a restriction on the control function of control part 6a.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3931379A JPS55131850A (en) | 1979-04-03 | 1979-04-03 | Microprogram controller |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3931379A JPS55131850A (en) | 1979-04-03 | 1979-04-03 | Microprogram controller |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS55131850A true JPS55131850A (en) | 1980-10-14 |
Family
ID=12549614
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3931379A Pending JPS55131850A (en) | 1979-04-03 | 1979-04-03 | Microprogram controller |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55131850A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5916050A (en) * | 1982-07-16 | 1984-01-27 | Nec Corp | Dynamic gate array |
-
1979
- 1979-04-03 JP JP3931379A patent/JPS55131850A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5916050A (en) * | 1982-07-16 | 1984-01-27 | Nec Corp | Dynamic gate array |
JPH0230056B2 (en) * | 1982-07-16 | 1990-07-04 | Nippon Electric Co |
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