Countdown works.  Weird performance issues
No longer crashes the program if mario is invincible and hits the flag pole
End sequence works decently well. Flag points still disappear, can't jump too high on pole
Fixed bug where flashing coin total wasn't working
Scores now stay at a fixed location on the main surface (i.e. the camera has no effect on them
Flag Score now adds to the game score
Flag pole working perfectly now.
Mario now refreshes to the halfway point if he gets past it
Fixed flashing coin bug at end
Added crouch ability.  Approximates how it works in the real game, but not exact.
Fixed conflict