JPS54153542A - Data processor of microprogram control type - Google Patents
Data processor of microprogram control typeInfo
- Publication number
- JPS54153542A JPS54153542A JP6266478A JP6266478A JPS54153542A JP S54153542 A JPS54153542 A JP S54153542A JP 6266478 A JP6266478 A JP 6266478A JP 6266478 A JP6266478 A JP 6266478A JP S54153542 A JPS54153542 A JP S54153542A
- Authority
- JP
- Japan
- Prior art keywords
- address
- data processor
- control type
- subroutine
- microprogram control
- 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 establish the microprogram control type data processor, in which the processing interrupted can quickly be restarted when the processing is returned from the sub-routine.
CONSTITUTION: The micro instruction in the control memory 11 designated with the microprogram address 51 is stored in the register 12, and a part 52 is used as the address for the micro instruction read out next and used as the return address of the subroutine and stored in the subroutine stack 13. The newest storage location is displayed with the subroutine stack point 14. The address 51 is determined by selecting either one of the address 55 selected with either of the output 53, part 52 or address 54, the output 56 of the address register 16, or the interruption address 57, by means of the selection gate 17.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6266478A JPS54153542A (en) | 1978-05-24 | 1978-05-24 | Data processor of microprogram control type |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6266478A JPS54153542A (en) | 1978-05-24 | 1978-05-24 | Data processor of microprogram control type |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS54153542A true JPS54153542A (en) | 1979-12-03 |
Family
ID=13206779
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6266478A Pending JPS54153542A (en) | 1978-05-24 | 1978-05-24 | Data processor of microprogram control type |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS54153542A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57143643A (en) * | 1981-03-03 | 1982-09-04 | Toshiba Corp | Data processing device |
JPS57147761A (en) * | 1981-02-04 | 1982-09-11 | Burroughs Corp | Circuit for and method of controlling subroutine |
-
1978
- 1978-05-24 JP JP6266478A patent/JPS54153542A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57147761A (en) * | 1981-02-04 | 1982-09-11 | Burroughs Corp | Circuit for and method of controlling subroutine |
JPS6346856B2 (en) * | 1981-02-04 | 1988-09-19 | Yunishisu Corp | |
JPS57143643A (en) * | 1981-03-03 | 1982-09-04 | Toshiba Corp | Data processing device |
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