A Sinclair QL in 1984, for which I bought a Lisp interpreter. The OS was multi-tasking, and the hardware was based on the superb Motorola 68000 processor range.

A Sinclair QL in 1984, for which I bought a Lisp interpreter. The OS was multi-tasking, and the hardware was based on the superb Motorola 68000 processor range. For the biggest impact, a Video Genie, which was a clone of the Tandy TRS-80. I learnt how to program (Basic and Z80 assembly) on that.