====== Andrew Pennell ======
Andrew Pennell was working on a machine code debugger for his Spectrum QL as part of his university 3rd year project. This turned into working for HiSoft and writing [[qlwiki:Hisoft Devpac QL]].


He also authored two books:-


  * [[qlwiki:The Sinclair QDOS Companion]]
  * [[qlwiki:Assembly Language Programming on the Sinclair QL]]


Andrew also wrote articles for computer magazines including:-


  * Your Spectrum / Your Sinclair