GB1489930A - Workspace addressing system - Google Patents
Workspace addressing systemInfo
- Publication number
- GB1489930A GB1489930A GB4483274A GB4483274A GB1489930A GB 1489930 A GB1489930 A GB 1489930A GB 4483274 A GB4483274 A GB 4483274A GB 4483274 A GB4483274 A GB 4483274A GB 1489930 A GB1489930 A GB 1489930A
- Authority
- GB
- United Kingdom
- Prior art keywords
- interrupt
- work space
- stored
- program
- 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.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/46—Multiprogramming arrangements
- G06F9/461—Saving or restoring of program or task context
- G06F9/463—Program control block organisation
Landscapes
- Engineering & Computer Science (AREA)
- Software Systems (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Executing Machine-Instructions (AREA)
- Digital Computer Display Output (AREA)
Abstract
1489930 Program interruption TEXAS INSTRUMENTS Inc 16 Oct 1974 [19 Oct 1973 (2)] 44832/74 Heading G4A The address of the first word of a problem work space 74 in a computer memory is stored in a register 40; when an interrupt signal is received the address in register 40 is temporarily stored, the address of the first word of the interrupt work space 77 is derived from a predetermined location in the memory, and the temporarily stored problem work space address is stored in a predetermined position in the interrupt work space 77; the problem work space address is read out of the interrupt work space 77 and stored in register 40 on completion of the interrupt program. A program count register 42 is provided which similarly stores the program count for the problem program 73 or interrupt program 78, the problem program count being stored in interrupt work space 77 on interrupt. The contents of a status register 41 may also be stored on interrupt, the signals remaining in register 41 being altered to indicate that an interrupt program of lower priority may not be carried out. Each work space 74, 77 may have 16 words the contents of registers 40, 42, 41 being stored, on interrupt, in the last three word positions in the interrupt work space 77.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US40814973A | 1973-10-19 | 1973-10-19 | |
| US05/408,150 US3944985A (en) | 1973-10-19 | 1973-10-19 | Workspace addressing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1489930A true GB1489930A (en) | 1977-10-26 |
Family
ID=27020169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB4483274A Expired GB1489930A (en) | 1973-10-19 | 1974-10-16 | Workspace addressing system |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS592938B2 (en) |
| DE (1) | DE2449644C2 (en) |
| FR (1) | FR2248555B1 (en) |
| GB (1) | GB1489930A (en) |
| IT (1) | IT1029586B (en) |
| NL (1) | NL7409218A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11138011B2 (en) | 2017-12-14 | 2021-10-05 | Bull Sas | Device, data-processing chain and context-switching method |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61200414U (en) * | 1985-06-04 | 1986-12-15 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL280931A (en) * | 1961-07-14 | |||
| GB1153420A (en) * | 1968-05-10 | 1969-05-29 | Ibm | Improvements in Data Processing Systems |
| US3740722A (en) * | 1970-07-02 | 1973-06-19 | Modicon Corp | Digital computer |
-
1974
- 1974-07-08 NL NL7409218A patent/NL7409218A/en not_active Application Discontinuation
- 1974-08-05 JP JP49089755A patent/JPS592938B2/en not_active Expired
- 1974-09-03 FR FR7429890A patent/FR2248555B1/fr not_active Expired
- 1974-09-19 IT IT5311374A patent/IT1029586B/en active
- 1974-10-16 GB GB4483274A patent/GB1489930A/en not_active Expired
- 1974-10-18 DE DE19742449644 patent/DE2449644C2/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11138011B2 (en) | 2017-12-14 | 2021-10-05 | Bull Sas | Device, data-processing chain and context-switching method |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5068746A (en) | 1975-06-09 |
| FR2248555A1 (en) | 1975-05-16 |
| FR2248555B1 (en) | 1979-10-12 |
| IT1029586B (en) | 1979-03-20 |
| JPS592938B2 (en) | 1984-01-21 |
| DE2449644C2 (en) | 1986-04-30 |
| NL7409218A (en) | 1975-04-22 |
| DE2449644A1 (en) | 1975-04-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PE20 | Patent expired after termination of 20 years |
Effective date: 19941015 |