wpc: increased number of main CPU bank entries to account for the two versions of White Water that use 1MB ROMs. (no whatsnew)

git-svn-id: svn://dspnet.fr/mame/trunk@25901 749742ba-7341-0410-aadc-df50b521781e
fixed read sub channel bug introduced in 25577 (fixes ddr2m) (nw)

git-svn-id: svn://dspnet.fr/mame/trunk@25902 749742ba-7341-0410-aadc-df50b521781e
Confirmed that video register [1] controls upper color bank (fixes Mazer Blazer CRT test). Upcoming: device-ify custom VCU

git-svn-id: svn://dspnet.fr/mame/trunk@25903 749742ba-7341-0410-aadc-df50b521781e
Fixed ROM GFX banking in Great Guns

git-svn-id: svn://dspnet.fr/mame/trunk@25904 749742ba-7341-0410-aadc-df50b521781e
(MESS) Cleanup. (nw)

git-svn-id: svn://dspnet.fr/mame/trunk@25905 749742ba-7341-0410-aadc-df50b521781e
Merge branch 'master' of mess.org:mame

git-svn-id: svn://dspnet.fr/mame/trunk@25907 749742ba-7341-0410-aadc-df50b521781e
(MESS) Cleanup. (nw)

git-svn-id: svn://dspnet.fr/mame/trunk@25908 749742ba-7341-0410-aadc-df50b521781e