Changes
/* Mechanisms */
{|{{Prettytable|width: 700px; font-size: 2em;}}
|'''INP &FD17''' || show the current ROM (selected by #df00) between #4000 and #7fff. Now it can be read and rewritten. You do not need to enable the upper rom using port #7fxx and all roms can be read/written regardless of J2 state or rom enable/disable state.
|-
|'''OUT &FD17''' || disable the previouse mentioned ROM write mode.
