moved more model3 code into the driver class. nw.
Disabled check irq routine for now.
(MESS) Apple II: Correct setup of built-in ACIAs for IIc/IIc Plus [R. Belmont]
Netlist: All analysis is now based on an immutable list of terminals. The dynamic list now is only used in the "hot" core. This is the base for possible further optimizations using multiple lists; e.g. a high-low transition list and a low-high transition list. [Couriersud]
Fix transparency in SDL2.0 code. [Couriersud]
Merge git://git.redump.net/mame