Changes
/* I/O Map (Overview) */
|-
|#DFXX||%xx0xxxxx xxxxxxxx||[[Upper ROM Bank Number]] (bank 3 = Aleste Bootmenu)|| - ||Write
|-
|#EEXX||%xxx0xxx0 xxxxxxxx||Aleste USART 8251 (RS232/Mouse) Data|| ? ||Write
|-
|#EFXX||%xxx0xxx1 xxxxxxxx||Aleste USART 8251 (RS232/Mouse) Control|| ? ||Write
|-
|#F4XX||%xxxx0x00 xxxxxxxx||[[8255]] PIO Port A (PSG/8253 Timer/Real-Time Clock data)||Read||Write
