Space Invaders (1978) Emulator

A fully-functional and complete emulation of the 1978 Space Invaders arcade machine as well as the Intel 8080 microprocessor.

Features

• Complete Intel 8080 CPU emulator with accurate cycle count that passes multiple test ROMs
• Space Invaders arcade machine emulator with accurate display and interrupt timing

Requirements

• SDL2
• SDL2_mixer
• CMake (for automatic build)
• Space Invaders ROM files (see roms/space-invaders/README.txt)
• Sound effect files (see sound/README.txt)

Build

cmake -S . -B build -DCMAKE_BUILD_TYPE=Release
make invaders (to build the space invaders emulator)
make cpu-tests (to build the CPU tester)

Run

Linux

./invaders (Space Invaders Emulator)
./cpu-tests <0:1> (CPU Tester (1 to enable debug output))

Windows

invaders.exe (Space Invaders Emulator)
cpu-tests.exe <0:1> (CPU Tester (1 to enable debug output))

Controls

Key	Action
C	Insert Coin
ENTER	1P Start
2	2P Start
SPACE	Shoot
LEFT	Move Left
RIGHT	Move Right
T	Tilt

References

Intel 8080 User/Assembly Manuals
Computer Archaeology
Emulator 101
Superzazu's Implementation (for tests and debugging)