DJL (Dave J Looker) is mainly known as the co-author of the [[Speedlock|Speedlock]] protection system.
A fastloader fast loader and protection used on many cassette games, and as a protection on disc games released in the UK.
But he was also the author of several Amstrad games including [[3d Stunt Rider]] and [[Nigel Mansell's Grand Prix]].
[[Category:CPC scene members]]