PDP 11 Unibus processors
- Frits Jalvingh
Machine | Year | CPU | Instruction set | Tests |
|---|---|---|---|---|
11/20, 11/15 | 1970 | KA11 | Base |
|
11/45 | 1972 | KB11-A, KB11-D |
|
|
11/50 | 1973 |
|
|
|
11/55 | 1976 |
|
|
|
11/35, 11/40 | 1973 |
| Basic, Sob, Xor |
|
11/05, 11/10 | 1972 |
| Basic, ASH w/ option KE11-A |
|
1975 | KB11-B, KB11-C | Basic, Sob, Xor |
| |
11/04 | 1975 |
| Basic |
|
1976 | KD11-E, KD11-EA | Basic, Sob, Xor, MTPS MTPS was found in the code for FKACA, the CPU test for the EIS instructions. Also see here. where it is stated that the 11/34 supported that. |
| |
11/60 | 1977 |
| Basic, Sob, Xor |
|
11/44 | 1979 |
| Basic, Sob, Xor, MFPT |
|
11/24 | 1979 |
| Basic, Sob, Xor, MFPT |
|
11/84 | 1985 |
|
|
|
11/94 | 1990 |
|
|
|
Instruction sets:
Base: 11/20 basic instruction set
Sob: SOB, MARK, RTT, SXT instructions
ASH: ASH, ASHC, MUL, DIV instructions
XOR: ASH: ASH, ASHC, MUL, DIV, XOR instructions
MFPT: MFPT instruction
“Upon execution, the MFPT instruction returns to the low byte of R0 a processor model code
(octal 3 for PDP 11/68). The high byte of R0 will be loaded with a processor specified subcode
(octal 0 for PDP 11/68.”
MFPS/MTPS instruction (LSI-11) (move to/from PSW)
For XXDP tests take a look at this page from Henk Gooijen (Thanks, Henk!).
Instruction set info: