Added music and save states to koftball. [Osso]
î8089: rewrote disassembler
diserial: Added some information getters for future use. (nw)
tms9927: Added VSYNC callback. [Curt Coder]
(MESS) compclr2: WIP. (nw)
(MESS) sms.c: Various changes:  [Enik Land]
- adjust/add some comments
- restore complete controller port functions to the japanese SMS version
- isolate some code to their proper consoles
- remove FM support of the sms2kr driver
- remove Reset button of the smsj driver
- add emulation of the japanese Sports Pad model, required by Sports Pad Soccer
- adjust some code of other controller devices.