SDL: don't require -str to enable watchdog (nw)
(MESS) a7800: split video emulation (Atari MARIA chip) into a 
separate device. [Fabio Priuli]
(MESS) a7800: added Yamaha 2151 emulation to the XM
expansion board, thanks to info from tep392. nw.

Also removed from the softlist the Donkey Kong XM Enhanced 
version which had been hacked to work on ProSystem emulator
and fails to save hiscores with correct HSC emulation 
(it remains available the correct version which saves fine both
in MESS and in the real hardware).
Various pinball works in progress (nw)
- atari_s2: marked fourx4 not working (it never worked)
- by6803: more preliminary work
- st_mp100: added game number of Cosmic Princess
- taito: a few more sets working or with sound
added quizshow 2nd chr prom
do some renames:
boblbobl2 -> sboblbobl
sboblboa -> sboblbobla
sboblbob -> sboblboblb
new NOT WORKING
Power Drift (Japan, Link Version) [ShouTime,rtw,B2K24, Gor ,Dullaron, anonymous, Mucci ,gregf ,ghoolster, Smitdogg,The Dumping Union]

I think it NEEDs the link board hooked up to work properly
added decryption for Gundam Wing: Endless Duel (SNES bootleg) [iq_132]

still doesn't work, probably needs correct boot vectors or some other protection?
huh, i had this ready for commit but forgot
doesn't look for these (nw)
nw
gamelist align as usual
floppy: Don't infloop in set_write_splice when there's no floppy (fixes MT5672) [O. Galibert]
fix crash possibility
Small note, with Tafoid's aid.
mips3drc: Throw badcop exceptions on COP1 accesses while the COP1 status bit is
  not enabled [MarathonMan]
servicecoin was wrong (IPT_SERVICE is F2)
segaybd.c: Give the new Power Drift (Japan, Link Version) it's own correct dipswitch settings. [Brian Troha]
(MESS) vcs_slot: avoid possible crashes when loading a new game from the internal UI. nw.
(MESS) softlist: misc new dumps. nw.