Writeups

NOTE! This is a work in progress and may change

Here are writeups and sources for some of my demos and intros. For now there are only small intros here (up to 256 bytes).

The writeups + sources are also available at github.

Lovebyte 2025

• Channel 36 (ZX Spectrum, 16 bytes)
• A Visual Journey from CP to LD (ZX Spectrum, 16 bytes)
• A Prison for Your Mind (ZX Spectrum, 32 bytes)
• Lovebyte Partyscroller (ZX Spectrum, 64 bytes)
• Aurora Borealis (ZX Spectrum, 128 bytes)

Notes

I’m using SDCC (mostly just the included assembler) and my own linker for Z80 development. This is not the most common assembler for democoding. To make these writeups a bit more accessible, all sources have been rewritten to work with sjasmplus.

For each demo there is a Makefile that works with GNU Make. Python 3 is used to create the tap files. If you want to build a demo on Windows, either install GNU Make or run sjasmplus manually.