Changes
/* Effort done */
You can now change disk without reset. And then play games using several disks.
=== DONE : ROM and RAM extension ===
In r004, you have more RAM +512KB, and you can add ROMs.
* LowerROM has .eZZ file extension
* UpperROM has .e00 ot eFF file extension (hexa)
=== TODO : A X/Y input ===
