calchase: map Trident memory clock, video clock and LUTDAC registers
(MESS) spc1000: fixed inputs in Toiler Adventure II and Vela (they needed inputs
to be mirrored in the whole 0x8000-0x9fff range) + some minor cleanup. nw.
fixed usage of uninitialized members in c64h156_device (nw)

was actually used inside base_c1541_device::via1_pb_r() with e.g. edu
-cart batman
fixed usage of uninitialized memory in m6800_cpu_device (nw)

happened with e.g. ehx20e
fixed usage of uninitialized member in wd1770_device (ne)

happened with e.g. fm7
New Game Added
---------------------------------------
Windjammer (021216) [MetalliC]
Convert PSX sio to use devcb. [smf]
(MESS) spc1000: converted the expansion bus EXT1 to be a
slot device, moved FDD expansion to be a slot card, added
emulation of the VDP expansion as another slot card. This
makes Gun Fright, TwinBee and Zanac playable if you launch
them with "-ext1 vdp" option. If you want to emulate a
SPC-1000 with floppy drive, you have to add "-ext1 fdd"
instead. [Fabio Priuli]

out of whatsnew: disk emulation still does not work (unless we use
Meeso Kim's patched BIOS), but emulation is now closer to the real
functionality and we needed the changes for the VDP unit emulation.
(mess) pc9801: ascii font reading (nw)
upd7220: attempt to resolve apparent contradiction in window behavior (nw)
kb_ec1841: use correct clock frequency
ec1841: new softlist item
peplus.c: Minor doc update about MGxxxx program roms and the Player's Choice platform. - NW
ec1840: new BIOS ROM
poisk1: new HDC ROM
mc1502: restore fdc support for bios 5.3x
isa_hdc: add DIPs, make ROM optional
ec184x: MDA clone
iskr103x: CGA clone
ec184x, iskr103x: use custom set of ISA cards
ibm5150: add cassette softlist