As far as I can remember, and currently incomplete:
| Year | Computer | Processor |
|---|---|---|
| 1978 | Science of Cambridge MK14 | SC/MP |
| 1979 | Sinclair ZX80 | Z80 |
| 1980 | Acorn Atom | 6502 |
| 1980 | Exidy Sorceror | Z80 |
| 1981 | BBC Micro | 6502 |
| 1982 | ACT Sirius 1 | 8086 |