A long long long time ago: learnt basic on the Atari 2600 (63 bytes of memory)
A long long time ago: learnt basic / basic machine code on the Sinclair Spectrum (woah 48k)
A long time ago: sharpened Z80 machine code skills on the SAM Coupe (a wopping 512k) resulting in various demos, the SAM MOD player and even one commercial title (Sophistry).
Doing functional design / software architecture for financial and project accounting software developed in Progress 4GL, supporting Progress, Oracle, MS SQL Server and DB2/400 databases. Occassionaly dabbling in the sources to make sure ‘can’t be done’ can never be used as an answer…