| 4972317 |
Microprocessor implemented data processing system capable of emulating execution of special instructions not within the established microprocessor instruction set by switching access from a main store portion of a memory |
Robert W. Callahan, Steven R. Houghtalen, Sivarama K. Kodukula, Raymond E. Losinger, Brion Shimamoto +2 more |
1990-11-20 |
| 4814977 |
Apparatus and method for direct memory to peripheral and peripheral to memory data transfers |
Raymond E. Losinger, Burton L. Oliver |
1989-03-21 |
| 4628445 |
Apparatus and method for synchronization of peripheral devices via bus cycle alteration in a microprocessor implemented data processing system |
Raymond E. Losinger, Burton L. Oliver, Daniel James Sucher |
1986-12-09 |
| 4591982 |
Storage selection override apparatus for a multimicroprocessor implemented data processing system |
Steven R. Houghtalen, Raymond E. Losinger, James W. Valashinas |
1986-05-27 |
| 4520440 |
Test verification of processor architecture having a partial instruction set |
Wendell L. Perry |
1985-05-28 |
| 4514803 |
Methods for partitioning mainframe instruction sets to implement microprocessor based emulation thereof |
Palmer W. Agnew, Steven R. Houghtalen, Anne S. Kellerman, Raymond E. Losinger, James W. Valashinas |
1985-04-30 |