Some of these technical articles were published in SAM Revival magazine.

Mode 1 Contention

A look at the artificial slow-down in SAM’s Spectrum-compatible screen mode.

Pac-Man Emulator

The classic arcade game brought to life on the SAM, with the missing hardware emulated in software.

TileMap Internals

A peek inside the workings of TileMap, to see how it pulls off the illusion of a playable ZX Spectrum game map.

Augmentinel Internals

Some details of how Augmentinel enhances the gameplay of the 80s classic: The Sentinel.

SAM Instruction Timings

Memory and I/O contention rules plus a timings table for all Z80 instructions.