added save state to a few recently modernized devices. nw.

git-svn-id: svn://dspnet.fr/mame/trunk@23530 749742ba-7341-0410-aadc-df50b521781e
(MESS) marked Game Boy, Game Boy Color, Game Boy Advance, Game Gear, Intellivision, 
Lynx, Master System, MegaDrive / Genesis, NES / Famicom, Neo Geo Pocket, Neo Geo 
Pocket Color, PV-1000, Super Cassette Vision, Super NES / Super Famicom, Wonderswan 
and Wonderswan Color as supporting save states. PC-Engine supports save states too, but
only for HuCard games and not for CDs. Please report issues with save and restore in these 
systems, if any, to MameTesters. [Fabio Priuli]

git-svn-id: svn://dspnet.fr/mame/trunk@23531 749742ba-7341-0410-aadc-df50b521781e
added save state to the remaining devices modernized by me in the past few days. nw.

git-svn-id: svn://dspnet.fr/mame/trunk@23532 749742ba-7341-0410-aadc-df50b521781e
merged duplicated define in src/osd/sdl/sdl.mak (nw)

git-svn-id: svn://dspnet.fr/mame/trunk@23533 749742ba-7341-0410-aadc-df50b521781e
commit messages are boring (nw)

git-svn-id: svn://dspnet.fr/mame/trunk@23534 749742ba-7341-0410-aadc-df50b521781e
naomi video: Pretend-modernize the powervr2 [O. Galibert]

git-svn-id: svn://dspnet.fr/mame/trunk@23535 749742ba-7341-0410-aadc-df50b521781e
powervr2: Some register groups are obviously 32 bits, so make them so [O. Galibert]

git-svn-id: svn://dspnet.fr/mame/trunk@23536 749742ba-7341-0410-aadc-df50b521781e
naomi: Better IRQ isolation [O. Galibert]

git-svn-id: svn://dspnet.fr/mame/trunk@23537 749742ba-7341-0410-aadc-df50b521781e
naomig1: Make the dma cpu-independant [O. Galibert]

git-svn-id: svn://dspnet.fr/mame/trunk@23538 749742ba-7341-0410-aadc-df50b521781e
ti99: Changed behaviour of memory cells (invert even addresses), may
help with some programs that assume power-on default values. (nw)


git-svn-id: svn://dspnet.fr/mame/trunk@23539 749742ba-7341-0410-aadc-df50b521781e
duh (nw)

git-svn-id: svn://dspnet.fr/mame/trunk@23540 749742ba-7341-0410-aadc-df50b521781e
First pass at tidying up ide interface. It no longer tries to force everything to act as a PC. A copy of the VIA VT83C461 datasheet would be useful to remove some of the hacks added to make the games using it work again. [smf]

git-svn-id: svn://dspnet.fr/mame/trunk@23541 749742ba-7341-0410-aadc-df50b521781e
Modernize adc1038 and adc12138 devices. [Osso]



git-svn-id: svn://dspnet.fr/mame/trunk@23542 749742ba-7341-0410-aadc-df50b521781e
(MESS) ql: Added Merlin Tonto ROM dumps. [Ash Evans]

git-svn-id: svn://dspnet.fr/mame/trunk@23543 749742ba-7341-0410-aadc-df50b521781e
(MESS) abcbus: devcb2. (nw)

git-svn-id: svn://dspnet.fr/mame/trunk@23544 749742ba-7341-0410-aadc-df50b521781e
cdp1869: Added device address maps. (nw)

git-svn-id: svn://dspnet.fr/mame/trunk@23545 749742ba-7341-0410-aadc-df50b521781e
msm6255: Added device address map. (nw)


git-svn-id: svn://dspnet.fr/mame/trunk@23546 749742ba-7341-0410-aadc-df50b521781e
(rfjets note)

git-svn-id: svn://dspnet.fr/mame/trunk@23547 749742ba-7341-0410-aadc-df50b521781e
Added SDL.txt document for users of SDL builds containing up to date listing of commands as well as updating parts of windows.txt and config.txt to take in account SDL differences.  (nw)

git-svn-id: svn://dspnet.fr/mame/trunk@23548 749742ba-7341-0410-aadc-df50b521781e
Further SDL.txt document improvement (nw)

git-svn-id: svn://dspnet.fr/mame/trunk@23549 749742ba-7341-0410-aadc-df50b521781e