MacGregor; Douglas B.
Patent Applications and Registrations
Patent applications and USPTO patent grants for MacGregor; Douglas B..The latest application filed is for "coprocessor instruction format".
- MacGregor; Douglas B. - Austin TX
- MacGregor; Douglas B. - Kyoto JP
- MacGregor; Douglas B. - Sakyo JP
| Patent | Date |
|---|---|
| Coprocessor instruction format Grant 5,021,991 - MacGregor , et al. June 4, 1 | 1991-06-04 |
| Coprocessor instruction format Grant 4,994,961 - MacGregor , et al. February 19, 1 | 1991-02-19 |
| Method and apparatus for interrupting a coprocessor Grant 4,914,578 - MacGregor , et al. April 3, 1 | 1990-04-03 |
| Microcomputer with change of flow Grant 4,763,253 - Bluhm , et al. August 9, 1 | 1988-08-09 |
| Method and apparatus for selectively evaluating an effective address for a coprocessor Grant 4,758,978 - Cruess , et al. July 19, 1 | 1988-07-19 |
| Method and apparatus for executing an instruction contingent upon a condition present in another data processor Grant 4,750,110 - Mothersole , et al. June 7, 1 | 1988-06-07 |
| Microcode testing of PLA's in a data processor Grant 4,745,574 - Aaron , et al. May 17, 1 | 1988-05-17 |
| Microcode testing of a cache in a data processor Grant 4,744,049 - Kuban , et al. May 10, 1 | 1988-05-10 |
| Method and apparatus for coordinating execution of an instruction by a selected coprocessor Grant 4,731,736 - Mothersole , et al. March 15, 1 | 1988-03-15 |
| Method and apparatus for coordinating execution of an instruction by a coprocessor Grant 4,729,094 - Zolnowsky , et al. March 1, 1 | 1988-03-01 |
| Microcomputer which prioritizes instruction prefetch requests and data operand requests Grant 4,729,093 - Mothersole , et al. March 1, 1 | 1988-03-01 |
| Coprocessor instruction format Grant 4,715,013 - MacGregor , et al. December 22, 1 | 1987-12-22 |
| Instruction address calculation unit for a microprocessor Grant 4,698,747 - Thompson , et al. October 6, 1 | 1987-10-06 |
| Operand size mechanism for control simplification Grant 4,649,477 - MacGregor , et al. March 10, 1 | 1987-03-10 |
| Data processor which can repeat the execution of instruction loops with minimal instruction fetches Grant 4,566,063 - Zolnowsky , et al. January 21, 1 | 1986-01-21 |
| Virtual machine data processor Grant 4,524,415 - Mills, Jr. , et al. June 18, 1 | 1985-06-18 |
| Data processor version validation Grant 4,493,035 - MacGregor , et al. January 8, 1 | 1985-01-08 |
| Virtual memory data processor Grant 4,488,228 - Crudele , et al. December 11, 1 | 1984-12-11 |
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