Mame 0.156新模拟支持游戏

  feedback signals such as Up/Down/Left/Right limit switches. i386: call with expand down stack [Carl] i386: GP fault with softint in v86 mode when iopl < 3 [Carl] twin16.c: Rewrite video mixing based on PAL equations. Fixes sprite-bg   priority in Devil World intro， and in Vulcan Venture later stages   and ending [Alex Jackson] pic8259: priority and sfnm [Carl} segaufo update: added better layouts + made ufo800 work + added upd   sound to ufo21 + misc fixes  [hap] Man pages (*nix): Fixed some typos and bumped version to 0.155 Fixed Mametesters 05769 by reducing ATA flash card seek time to zero. [smf] naomi.c:  kingrt66 use real MaskROM cart layout and labels instead of flashcart [Arzeno Fabrice] Handcrafted CPS-1 PALs for Area 88 and Strider PCBs.  [Palindrome] i386: fix segment present check for calls to a TSS i386: mark tss busy [Carl] Convert PSX sio to use devcb. [smf] calchase: map Trident memory clock， video clock and LUTDAC registers