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GitHub - nanochess/Invaders: Invaders game in 512 bytes (boot sector)

 6 years ago
source link: https://github.com/nanochess/Invaders
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README 

Invaders game in 512 bytes (boot sector or COM file)
by Oscar Toledo G. Jun/04/2019

http://nanochess.org
https://github.com/nanochess

This a game recreating the Invaders game in 512 bytes, that can be
run as a COM file or put into a boot sector of a floppy disk to be
run.

Move with keyboard arrows to left and right, press Space to shoot.

Now it's compatible with 8088 (the original IBM PC) but it still
has the option for 80286 code in the source code. So you now have
to look for a 8-bit compatible VGA card if you want to run it in
original hardware ;)

A small video of the game running over emulation:

  https://www.youtube.com/watch?v=pC976eejfms

If you want to assemble it, you must download the Netwide Assembler
(nasm) from www.nasm.us

Use this command line:

  nasm -f bin invaders.asm -Dcom_file=1 -o invaders.com
  nasm -f bin invaders.asm -Dcom_file=0 -o invaders.img

Tested with VirtualBox for Mac OS X running Windows XP running this
game, it also works with DosBox and probably with qemu:

  qemu-system-x86_64 -fda invaders.img

Enjoy it!

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