fixNES Alpha v1.2.8

FC/NES模擬器 fixNES 發布新版，更新如下 :

-added support for mappers 40, 43 and 50
-added support for mmc5 register 5130
-properly set dmc address on boot
-disabled dmc dma double read bug on pal as its only on ntsc

https://github.com/FIX94/fixNES