mrgame.c : added some inputs. Game can be adjusted and coins inserted (see notes in source).
mrgame.c : fixed bad sprites; fixed scrolling.
Fixed hero save state regression (couldn't repro the dazzler one) (nw)
(MESS) abc806: Added video PROMs. [Anders Sandahl]
Renamed 3ds -> threeds in MAME to avoid potential setname difficulties later (nw)
rewrote most of tms7000, fixing a few issues and adding preliminary support for TMS70x1/2 family