👾 Space Invaders 👾

This is an emulator of the 1978 Taito arcade machine Space Invaders running on top of my Intel8080 emulator. It comes with color, sound, and high score persistence!

Controls

Key	Action
C	deposit credits
1	start the game in one-player mode
2	start the game in two-player mode
left arrow	move left
right arrow	move right
space	shoot
T	tilt the machine

Usage

Dependencies

• A c++ compiler
• CMake version 3.26+
• CMake build generator
• SDL2
• SDL_mixer

Build & Run

1. Download the source code

   git clone https://github.com/encephalalgia/space-invaders.git
   cd space-invaders
   

2. Optional: If you want, you can customize the colors of the emulator by changing the color code constants defined in Display.h.
3. Build

   cmake -S . -B build -G <generator> -DCMAKE_BUILD_TYPE=RELEASE -DCMAKE_PREFIX_PATH=<path/to/sdl>
   cmake --build build --config Release
   

4. Add the ROMs and sound files to the assets folder.
5. Run the executable

   build/src/space-invaders.exe <PARAMETERS...>
   

DIP Switch

Replace <PARAMETERS...> with zero or more of the following:

Parameter	Range	Default	Description
-lives <n>	[3,6]	3	changes the number of lives you start with
-extra_life <n>	1500 or 1000	1500	changes the amount of points needed to gain an extra life

Resources

Computer Archeology Space Invaders