[welshguy]

Some of the early computer magazines often contained listings of games. I remember one where you were required to type in about 1000 lines of Basic data statements, liberally sprinkled with checksums. Finally, after a couple of days typing, I typed 'Run' and hit the enter key expectantly. The screen cleared, and two big red words appeared: "April Fool".

[dodders]

Was that the Spectrum magazine article that claimed the Spectrum was actually a Spectrum Plus under the hood, and all that was required was to poke in the printed page of machine code - in hex, mind you - to unleash it's glorious abilities.

A couple of hours of typing later, and the big red 'April Fools' message appears...