JPS5687139A - Display system for miniature electronic computer - Google Patents
Display system for miniature electronic computerInfo
- Publication number
- JPS5687139A JPS5687139A JP16271579A JP16271579A JPS5687139A JP S5687139 A JPS5687139 A JP S5687139A JP 16271579 A JP16271579 A JP 16271579A JP 16271579 A JP16271579 A JP 16271579A JP S5687139 A JPS5687139 A JP S5687139A
- Authority
- JP
- Japan
- Prior art keywords
- state
- instruction
- data
- address
- displayed
- 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
- Calculators And Similar Devices (AREA)
- Digital Computer Display Output (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
PURPOSE: To facilitate an easy confirmation for the state of operation, by displaying the state of operation via a display switching means with the general equation corresponding to a calculation equation or either one of the numerical data such as the register data, the operation result data and the like.
CONSTITUTION: The microprogram which controls the entire part of a computer is stored in the ROM1, and the microinstructions AD2, INS and NA are delivered in parallel from the area corresponding to the address of the ROM address part 2. The instruction INS is decoded by the instruction decoder 4, and various types of R/W signals are applied to the RAM3. Furthermore the next address is designated by the instruction NA to be supplied to the part 2. Then an operation is carried out through the arithmetic circuit 7 and based on the indication of the key input part 8, and the decision result J is applied to the part 2 from the deciding circuit 6. Then the state of operation displayed at the display part 9 is displayed through switching the general equation corresponding to a calculation equation and either one of the register data, the operation result data by the display switching means 12. In such way, the confirmation can be facilitated for the state of operation.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16271579A JPS5687139A (en) | 1979-12-17 | 1979-12-17 | Display system for miniature electronic computer |
US06/214,719 US4386412A (en) | 1979-12-17 | 1980-12-09 | Calculator with equation display device |
GB8039892A GB2068153B (en) | 1979-12-17 | 1980-12-12 | Calculator |
DE3047251A DE3047251C2 (en) | 1979-12-17 | 1980-12-16 | computer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16271579A JPS5687139A (en) | 1979-12-17 | 1979-12-17 | Display system for miniature electronic computer |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5687139A true JPS5687139A (en) | 1981-07-15 |
Family
ID=15759909
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16271579A Pending JPS5687139A (en) | 1979-12-17 | 1979-12-17 | Display system for miniature electronic computer |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5687139A (en) |
-
1979
- 1979-12-17 JP JP16271579A patent/JPS5687139A/en active Pending
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