Bare metal tetris: Tetris without OS

To compile and run:

make
make run

Commands:

• Left: left arrow
• Right: right arrow
• Rotate: up arrow
• Accelerate fall: down arrow
• Drop: space bar
• Pause: p
• New game: n
• Sound on/off: o (beware the sound is loud)

To compile and debug:

make
make debug

and

gdb
(gdb) file bin/kernel.sym
(gdb) target remote localhost:1234
(gdb) c