JPS5614350A - Microprogram control system - Google Patents
Microprogram control systemInfo
- Publication number
- JPS5614350A JPS5614350A JP8856779A JP8856779A JPS5614350A JP S5614350 A JPS5614350 A JP S5614350A JP 8856779 A JP8856779 A JP 8856779A JP 8856779 A JP8856779 A JP 8856779A JP S5614350 A JPS5614350 A JP S5614350A
- Authority
- JP
- Japan
- Prior art keywords
- memory
- instructions
- control memory
- control
- gate
- 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 utilize merits of vertical instructions and horizontal instructions to perform a high-speed processing as required, by using the first control memory and the second small-capacity control memory and by entering horizontal instructions in the second control memory.
CONSTITUTION: A program dependent upon the operation code and the operand stored in the first control memory 26 is read out by multiplexer gate 23 corresponding to the vertical switching gate and is decoded by instruction register decoder 25, and instructions read on a basis of the command of decoder 25 are transmitted to prescribed circuits selectively. The memory area of memory 26 is provided with an extension instruction area, where addresses of the second control memory 27 are entered, besides the general instruction area, and plural instructions stored in the data file of memory 27 are read out by these addresses and are supplied to gate 23. Horizontal instructions stored in memory 27 are utilized as required to perform the control of the microprogram in a high speed.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8856779A JPS5614350A (en) | 1979-07-12 | 1979-07-12 | Microprogram control system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8856779A JPS5614350A (en) | 1979-07-12 | 1979-07-12 | Microprogram control system |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5614350A true JPS5614350A (en) | 1981-02-12 |
Family
ID=13946431
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8856779A Pending JPS5614350A (en) | 1979-07-12 | 1979-07-12 | Microprogram control system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5614350A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61114341A (en) * | 1984-10-01 | 1986-06-02 | バロ−ス・コ−ポレ−シヨン | Processing system |
JPS63111534A (en) * | 1986-10-29 | 1988-05-16 | Mitsubishi Electric Corp | Semiconductor integrated circuit |
-
1979
- 1979-07-12 JP JP8856779A patent/JPS5614350A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61114341A (en) * | 1984-10-01 | 1986-06-02 | バロ−ス・コ−ポレ−シヨン | Processing system |
JPS63111534A (en) * | 1986-10-29 | 1988-05-16 | Mitsubishi Electric Corp | Semiconductor integrated circuit |
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