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An emulator for the Intel 8080 + Space Invaders arcade system

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i8080e

demo image

A simple emulator for the Intel 8080, along with other parts of the Space Invaders arcade system. Tested with the CPUDIAG routine, and Space Invaders.

Building and running

Supported systems

Tested with:

  • x86_64 Linux Ubuntu 21.04 (gcc & glibc)
  • armhf Raspberry Pi OS Buster (gcc & glibc)

Anything with a C compiler and SDL backend will probably work fine.

Dependencies

  • LibSDL 2

To install on Ubuntu: $ sudo apt install libsdl2-dev libsdl2-image-dev libsdl2-mixer-dev libsdl2-ttf-dev.

Building

Run $ make release in the project directory to build, it puts the executable at bin/i8080e

Getting the ROM

I can't distribute the ROM here for obvious copyright reasons, but it's not particularly hard to find.

Once you have it, extract it to <project_directory>/rom. The directory should look something like this:

i8080e/rom
├── invaders.e
├── invaders.f
├── invaders.g
└── invaders.h

Running

Simply execute the binary from the project directory to run.

$ bin/i8080e

no arguments or flags are needed and it'll pick up and load the ROM from its directory.

Keybinds

Key Action
c Insert coin
1 Start 1-player game
2 Start 2-player game
Move left (player 1)
Move right (player 1)
Shoot (player 1)
a Move left (player 2)
d Move right (player 2)
w Shoot (player 2)

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An emulator for the Intel 8080 + Space Invaders arcade system

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