fixed crashes (nw)
fix addc subc zeroflag
(MESS) Systems Promoted from GAME_NOT_WORKING:
- Apple III [R. Belmont]
(MESS) spc1000 : added IRQ which enables cursor flash & internal timer [Miso Kim, Robbbert]
(MESS) apf : added notes
upd765: add the motorola mcs3201
add preliminary support for the multi unique type isa fdc cards
(MESS) enable UK systems (nw)
i86: fix shifts by very large (> 32) amounts. fixes ibm xt detection by
the multi unique floppy controllers.
(MESS) apple3: Add save state support and initial slot hookup. [R. Belmont]