SNES

DSPn: Fix for when both DSP and CPU write to DR (TG3000 speed) (paulb-nl).

CPU: Defer savestate HDMAEN restore until HDMA init (Timothy Mario Redaelli).

MSU1 fixes (Daniel Harms, littlegamer87).

Add CX4 coprocessor savestate support (Fred B. Night).

CPU: Fix HDMA disable mid line (littlegamer87).

SA1: fix divide by 0.

PPU: Keep video sync alive during reset (littlegamer87).

Updated framework.