haitch/zsp
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ZenZX

48K to +3, one emulator, one Z80 core underneath

A ZX Spectrum emulator in Go, built on the zen80 Z80 CPU core. Emulates the 48K, 128K, +2, and +3 models (including the +3 floppy disc controller), with tape and snapshot support.

v0.4.2 github.com/ha1tch/zenzx →

In action

Tape loading in progress — screen-control keyboard shortcuts keep working while a tape loads.
Command-line usage and flags, alongside a 128K BASIC session actually running.
Command-line usage and flags, alongside a 128K BASIC session actually running.
A period graphics utility running unmodified — compatibility with real Spectrum software.
A period graphics utility running unmodified — compatibility with real Spectrum software.
The on-screen Spectrum keyboard, with a short BASIC colour demo running behind it.
The on-screen Spectrum keyboard, with a short BASIC colour demo running behind it.
Wonderful Dizzy (Codemasters / The Oliver Twins, 1989) rendered in ZenZX — shown for colour and rendering fidelity, not distributed with or by this project.
Wonderful Dizzy (Codemasters / The Oliver Twins, 1989) rendered in ZenZX — shown for colour and rendering fidelity, not distributed with or by this project.

Documentation

zenscript (.zen) reference

zenscript is a small, line-oriented automation format for driving ZenZX. A .zen file is a timed list of actions performed on the virtual Spectrum, modelled loosely on a…

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