NovitÓ nella versione 0.102u4

0.102u4
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Source Changes
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Corrected some YM2151 frequencies in the dooyong.c driver. [Mamesick]

Major update to the STV driver: [Mariusz Wojcieszek]
* sh2: introduced cpu_readop16() for opcode fetching
* stv: added idle skip to various games
* stv: optimized master/slave sh2 syncing
* vdp1: fixed sprite transparency for RGB sprites
* vdp2: added linescroll
* vdp2: added 16x16 15bit tiles (fixes missing gfx in znpwfv)
* vdp2: optimized tilemap scrolling, bitmaps and framebuffer drawing
* vdp2: fixed page and map calculation
* dsp: fixed some bugs making vfremix run up to the end of second match

Fixed sprite-tilemap collision detection in Taito SJ driver when the screen
is flipped. [Nicola Salmoria]

Fixed some logical errors in sprite handling and palette reads, DMA timing,
and one invalid opcode in the NES drivers. [Rob Bohms]

Cleaned up and standardized usage of M_PI constants in the code.
[William Krick]

Added external ram read and write handlers and data read port to YMZ280B.
[Ville Linde]

Fixed sprite priorities in Tang Tang. [Pierpaolo Prazzoli]

Fixed bug in Chack'n Pop that was introduced in the recent memory system
changes. [Nicola Salmoria]

Fixes branch target address disassembly in the PSX disassembler. [smf]

More Voodoo updates: [Aaron Giles]
* fixed bug that trashed fbzMode when the fogMode was changed
* added preliminary Voodoo 2 support; Gauntlet Legends works again
* changed float-to-int conversion to be done manually



New games added or promoted from NOT_WORKING status
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Flame Gunner [Guru, smf]
Paca Paca Passion Special [Guru, smf]
Paca Paca Passion 2 [Guru, smf]



New clones added
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WWF Superstars (US, Newer) [Philip Bennett]
Time Pilot '84 (set 3) [chaneman]
Multi Champ Deluxe (ver. 0106) [David Haywood]
Columns (US, cocktail) [Arzeno Fabrice]
Mace: The Dark Age (boot ROM 1.0ce) [Brian Troha]
Arabian Fight (World) [Arzeno Fabrice]



New games marked as GAME_NOT_WORKING
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Emergency Call Ambulance [Ville Linde]