made cdrom_image_device & harddisk_image_device responsible for accessing driver based chd's (nw)

git-svn-id: svn://dspnet.fr/mame/trunk@18465 749742ba-7341-0410-aadc-df50b521781e
(mess) upd765: Implement LOCK [O. Galibert]

git-svn-id: svn://dspnet.fr/mame/trunk@18466 749742ba-7341-0410-aadc-df50b521781e
(mess) upd765: Fix busy status when seeking [O. Galibert]

git-svn-id: svn://dspnet.fr/mame/trunk@18467 749742ba-7341-0410-aadc-df50b521781e
(mess) upd765: Fix MSR DIO in EXEC phase [O. Galibert]

git-svn-id: svn://dspnet.fr/mame/trunk@18468 749742ba-7341-0410-aadc-df50b521781e
invrvnge dips 5,6,7 are read from IN0 (info from misfitmame)
also, put driver notes in one big comment section instead of /* separate lines */, and got rid of (very incomplete anyway)changelog

git-svn-id: svn://dspnet.fr/mame/trunk@18469 749742ba-7341-0410-aadc-df50b521781e
Small note update

git-svn-id: svn://dspnet.fr/mame/trunk@18470 749742ba-7341-0410-aadc-df50b521781e
got rid of invrvnge samples, and also removed one of the newly added clones (bad dump, 1 bit different)

to be clear:
invrvnge   is new set 1
invrvngea  is new set 2
invrvngeb  is old parent set
invrvngedu is the Dutchford set


git-svn-id: svn://dspnet.fr/mame/trunk@18471 749742ba-7341-0410-aadc-df50b521781e
(last one for today)

git-svn-id: svn://dspnet.fr/mame/trunk@18472 749742ba-7341-0410-aadc-df50b521781e
one more invader's revenge clone added

git-svn-id: svn://dspnet.fr/mame/trunk@18473 749742ba-7341-0410-aadc-df50b521781e
replace invrvngea snd.2c, definitely was a bad dump

git-svn-id: svn://dspnet.fr/mame/trunk@18474 749742ba-7341-0410-aadc-df50b521781e
dummy invrvnge_sound_map, any volunteers to decrypt the audiocpu rom?

git-svn-id: svn://dspnet.fr/mame/trunk@18475 749742ba-7341-0410-aadc-df50b521781e
upd765: Implemented DUMPREG command.

git-svn-id: svn://dspnet.fr/mame/trunk@18476 749742ba-7341-0410-aadc-df50b521781e
(MESS) samcoupe.c: modified the driver to not install / uninstall bank handlers, 
greatly improving performaces (e.g. Manic Miner demo went from 20% to 380% 
ingame). Plus added some very preliminary softlists. [David Haywood]

(MESS) spectrum_cass.xml: added very preliminary softlist containing some
interesting test case for emulation. [David Haywood]

git-svn-id: svn://dspnet.fr/mame/trunk@18477 749742ba-7341-0410-aadc-df50b521781e
(MESS) pcw16: added softlist for available disk images [remax]

git-svn-id: svn://dspnet.fr/mame/trunk@18478 749742ba-7341-0410-aadc-df50b521781e
(MESS) pc9801: fixed crash on boot. no whatsnew.
(MESS) superfx.c: using a couple of macro were it made sense. no functional change. no whatsnew.

git-svn-id: svn://dspnet.fr/mame/trunk@18479 749742ba-7341-0410-aadc-df50b521781e
(MESS) softlist: added dumps from a couple of GBA proto + misc status fixes. no whatsnew.

git-svn-id: svn://dspnet.fr/mame/trunk@18480 749742ba-7341-0410-aadc-df50b521781e
vsystem improvements by Haze (no whatsnew)

git-svn-id: svn://dspnet.fr/mame/trunk@18481 749742ba-7341-0410-aadc-df50b521781e
Aristocrat MK6 base system bios for New South Wales region [Heihachi_73]

git-svn-id: svn://dspnet.fr/mame/trunk@18482 749742ba-7341-0410-aadc-df50b521781e
hercules : hooked up mechanical sounds [Robbbert]
Deleted unused file.

git-svn-id: svn://dspnet.fr/mame/trunk@18483 749742ba-7341-0410-aadc-df50b521781e
Reverting change back since not sure if it's proper one (no whatsnew)

git-svn-id: svn://dspnet.fr/mame/trunk@18484 749742ba-7341-0410-aadc-df50b521781e