A reversi game that fits in a boot sector (512 bytes)

boot_reversi is a simple reversi game that fits in a boot sector (510 bytes + 2 bytes as the boot signature).

Play it on your browser here.

Build

Requirement: NASM

make

Run

To run with Bochs debugger:

make debug

How to play

Type the coordinates of the first and second moves alternately.
The coordinates are specified by combining the column (a–h) and the row (1–8).

The example coordinates:

• a1: Top-left of the board
• h8: Bottom-right of the board

The initial screen:

abcdefgh                                                                        
........1                                                                       
........2                                                                       
........3                                                                       
...OX...4                                                                       
...XO...5                                                                       
........6                                                                       
........7                                                                       
........8                                                                       

On this screen:

• O: The first player
• X: The second player

If you type f4 on the initial screen:

abcdefgh                                                                        
........1                                                                       
........2                                                                       
........3                                                                       
...OOO..4                                                                       
...XO...5                                                                       
........6                                                                       
........7                                                                       
........8                                                                       

Then, you're the second player. If you type f5:

abcdefgh                                                                        
........1                                                                       
........2                                                                       
........3                                                                       
...OOO..4                                                                       
...XXX..5                                                                       
........6                                                                       
........7                                                                       
........8