Added code for mapper 7 (doesn't seem to work yet), working on sprite 0 hits and IRQs.
Fixed flickering sprite glitch - DMA didn't transfer 0xFF. Also fixed mapper 2.
Working on Mapper 4 again.
SMB3 runs, technically playable.
So many things working on SMB3 now
Working on stuff
Working on improving save states
Updated save state system, worked on lisp version of cpu
Sync
A few more opcodes
Adding -O3 gives a 50fps speedup
A few small optimizations
Added a few functions as well as memory to the LISP emulator.
Merge branch 'allegro-correctscale'

Conflicts:
	src/Makefile
	src/Mapper.cpp
	src/Mapper4.cpp
	src/MemoryState.cpp
	src/PpuState.cpp