BIOS RAM locations

The locations are (?) guaranteed to be identical accross all system ROM versions so that games can use them regardless of the system type.

=Game Related=

=System Related=

=Joypad Related=

These values are updated by calling SYSTEM_IO.

=Memory Card Related=

See CARD for more details on those variables.

=MESS OUT Related=

See MESS_OUT to know how to use this routine.

=Calendar Related=

Those value are updated when READ_CALENDAR is called

=Internal=

=4P mode related=

Thoses will be valid on a 4P compatible bios only

=CD only=

=Others=