In 2015 I turned 40. I also got inspired to dig into the home computer from my childhood, the zx spectrum 48k. This may be a mid-life crisis thing, but if it is, it's pretty mild.
I've ended up doing enough stuff for the speccy for it to justify a new subsection of the site, so here goes!
Online emulator for all my zx spectrum releases.
Artist tool to make art in zx spectrum limitations
z80 assembler tutorial, where I write a complete game from scratch for the zx spectrum in 100% assembler step by step.
Wherein I ressurrect my old zx spectrum
Covering (most of) the speccy hardware and limitations
Where I tackle the problem of sprites for the first time
First steps towards neat packaging of applications
More decisive solution to neat packaging of applications
Covering interrupt handling and keyboard and joystick input.
My first speccy game release
Getting the 128k speccy to run
The second game, made in Ludum Dare 48h game design competition
Very quickly made game for the Comp Sys Sinclair Crap Games Competition
A slightly more abitious game - multiplayer trivia
Multi-dimensional maze game.