Skyway Master Maker Feb 17, 2013
I've found the original cassette Master Maker for my unpublished game, Skyway. It provides a customer saver and loading routine, with unusual screen loading and countdown timer.
This program is avaiable as a MGT +D disk image
ULA Book On Sale Now Aug 30, 2010
The ZX Spectrum ULA: How to design a microcomputer is on sale NOW. 324 pages detailing the design and implementation of the ZX Spectrum ULA, and the techniques involved in the development of a home microcomputer.
Further details about the Spectrum ULA Book may be found in the book section of this site.
Diary of a New Game Oct 11, 2009
As a break from the book writing, I've been playing with some old code of mine from the '80s to see if I can build that elusive 3D isometric engine I had long wanted to create.
There were some good ideas there, and after a great deal of rework I can now announce the Liquid sprite engine and the beginnings of a new game...
Harlequin Update Oct 05, 2009
I've received the Spartan-3A development board that I will be using for part of the on-going Harlequin development
The next stage will be to get the development kit installed for Linux and perform a few FPGA build tests from the previous CPLD designs I have completed.