Tetris tasks

[Kawa-oneechan]

• [x] Look into why the board glitches up sometimes
• [x] Hook up more controls
• [x] Proper scoring
• [x] Title screen
• [x] Music and sound
• • [x] Find an alternative to speeding up the music
• • [x] Actually use this
• [ ] More music choices
• [ ] Actually get some sounds in
• [ ] Game over!
• [x] Detect lack of gamepad, refuse to start without one

[Kawa-oneechan]

I haven't seen the board glitching up for a looong time. I'm gonna say it's the improved interrupt system.

[Kawa-oneechan]

With recent changes to the IMF player, the speed-up trick won't work anymore.

Edit: not anymore there's a freakin' hack.