o/icache use C and WT bits from mmu to override cache and copy back
settings (fixes Windows CE)
move mem handlers setup out of mmu into sh4_mem. Call in dc_resume and
detect transitions interp -> dynarec to flush caches.
fix ssa tlb miss exception wih slow mmu
ignore SR.RB in user mode instead of forcing it 0
add STRICT_MODE to enable ocache in interpreter
don't flush mmu table when enabling it
fix fixNan64()