few small cpu tag lookup changes (nw)

git-svn-id: svn://dspnet.fr/mame/trunk@22422 749742ba-7341-0410-aadc-df50b521781e
mach8: added source X/Y read registers (used by XF86_MACH8) (no whatsnew)

git-svn-id: svn://dspnet.fr/mame/trunk@22423 749742ba-7341-0410-aadc-df50b521781e
tms5220.c: Based on decap analysis, both the TMS5220 and TMS5220C use identical LPC tables; get rid of the unnecessary extra table. [Lord Nightmare, digshadow]

git-svn-id: svn://dspnet.fr/mame/trunk@22424 749742ba-7341-0410-aadc-df50b521781e
... actually get rid of table mentioned in last commit. no whatsnew.

git-svn-id: svn://dspnet.fr/mame/trunk@22425 749742ba-7341-0410-aadc-df50b521781e
few small msm5205 adpcm lookup cleanups (nw)

git-svn-id: svn://dspnet.fr/mame/trunk@22426 749742ba-7341-0410-aadc-df50b521781e
dsk: mwahahaha (nw)

git-svn-id: svn://dspnet.fr/mame/trunk@22427 749742ba-7341-0410-aadc-df50b521781e
removed not needed screen device references (nw)

git-svn-id: svn://dspnet.fr/mame/trunk@22428 749742ba-7341-0410-aadc-df50b521781e
few more missed (nw)

git-svn-id: svn://dspnet.fr/mame/trunk@22429 749742ba-7341-0410-aadc-df50b521781e
more pcw fun (nw)

git-svn-id: svn://dspnet.fr/mame/trunk@22430 749742ba-7341-0410-aadc-df50b521781e
meh

git-svn-id: svn://dspnet.fr/mame/trunk@22431 749742ba-7341-0410-aadc-df50b521781e
taito devices lookup cleanup  (nw)

git-svn-id: svn://dspnet.fr/mame/trunk@22432 749742ba-7341-0410-aadc-df50b521781e
fixed build (nw)

git-svn-id: svn://dspnet.fr/mame/trunk@22433 749742ba-7341-0410-aadc-df50b521781e
12mhz TMS DSP? i doubt that
this also fixes the arrow indicator 'gfx smear' bug

git-svn-id: svn://dspnet.fr/mame/trunk@22434 749742ba-7341-0410-aadc-df50b521781e
pcw: plugged in DSK format, can mount DSK images now.  Still won't boot, though. (no whatsnew)

git-svn-id: svn://dspnet.fr/mame/trunk@22435 749742ba-7341-0410-aadc-df50b521781e