EST. 1988 — AMSTRAD CPC DEMOSCENE
LOGONSYSTEM
Thirty-seven years of rupture bars, raster tricks, and the stubborn belief that an 8‑bit micro still has secrets left to give up.
EXPLORE
Everything Logon System
01
About
Origins, the Compendium, and how the group got here.
02Software
ShakerLand, the AYT format, Amspirit, and dev tools.
03Optimisations
Extreme Z80A size-coding at the Vintage Computing Christmas Challenge.
04Demos
Every CPC release, from Logon 1 to DSC4.
05Archive
Disk collections and the full CRTC documentation.
06Prehistory
Longshot's Oric‑1 games, before Logon System existed.
07Photos
Three and a half decades of meetings, from 1990 to today.
08Blog
Longshot's own writing — projects, history, and fact‑checks.
09Media
Demo captures and technique breakdowns on YouTube.