The RetroHack simulation library, version 1.2 - The most recent version of the RetroHack simulation library, with sound fixes — both to its own code and to avoid issues in Allegro. The RetroHack simulation library, version 1.1 - An intermediate version of the RetroHack libraries. The RetroHack simulation library, version 1.0 - The first version of the RetroHack simulation library, providing access to the simulated hardware of the RetroHack machine. The RetroHack documentation (PDF) - A PDF of the RetroHack documentation. The AY-3-8910 datasheet - Further programming details for the AY-3-8910 PSG. A BMP file with the RetroHack machine's 256 colour palette - This is a 1x1 pixel BMP file with the same palette as used by the RetroHack framebuffer. PCX loading example - An example program that loads an 8bpp PCX file and remaps the palette so it can be reused as a RetroHack sprite. NOTE: use of this code in entries is acceptable, but it is not part of the RetroHack library, so its size is counted against your filesize limit. AY playing example - Example code to load and play a ZX Spectrum EMUL format .AY music file. The same size remarks as immediately above apply.