HACK menu (an NMI triggered menu for M4 board)

Written by Duke 2018/2019 - http://www.spinpoint.org

Assemble with RASM assembler from http://www.roudoudou.com/rasm/ into nmirom.bin and use M4 firmware "dev version" (M4FIRM_dev_version.zip) to load it from root of microSD card.