Fixed error where on updating ram monitoring display you would go from 0x**** to 0x-1
Fixed error where on updating ram monitoring display you would go from 0x**** to 0x-1

steveWang/sx86-emulator,cwoodall/sx86-emulator,cwoodall/sx86-emulator,cwoodall/sx86-emulator,steveWang/sx86-emulator,steveWang/sx86-emulator