This is a cross-platform ZX Spectrum 48K/128K/+2/+3 emulator written, for the fun of it, from scratch in C++.

• Instruction level Z80 emulation: all instructions passes zexdoc and zexall
• Load/Save snapshots (.sna, partial .z80)
• Tape loading (.tap, .tzx)
• Sound
• Drag&drop file loading
• Kempston joystick emulation (arrows and right-control for fire)
• ZX 48K/128K/+2/+2A/+3 spectrum
• AY sound chip

• Floppy disk interface
• Contended memory
• Tape UX
• .z80 snapshots / 128K snapshots
• Fast loading
• Emulation speed controls
• Tape saving
• Debugging UX (memory, registers)
• Disassembler

Configurable output shader:

This project uses CMake 3.22. All dependencies are loaded using CMake FetchContent.

Builds on Windows (Visual Studio 2022), GNU/Linux (Ubuntu 22.04) and MacOS (12.6.7).

CMake options:

• EPOCH_ENABLE_PROFILER: enable/disable profiler

• Install Visual Studio 2022 with CMake and C workload
• Open the folder with Visual Studio
• Build!

# Build tools
sudo apt install build-essential cmake ninja-build

# Requisites
sudo apt install libasound-dev libdbus-1-dev libwayland-dev libxkbcommon-dev wayland-protocols xorg-dev

Build commands:

mkdir build && cd build
cmake .. -DCMAKE_BUILD_TYPE=Release
make

Copyright © 2024 Andrea Ghidini.

Epoch is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

Epoch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with Epoch. If not, see https://www.gnu.org/licenses/.

• Dear ImGui for the GUI
• GLFW for graphics and input
• ImGuiFileDialog for file dialog
• PortAudio for audio