[arcade] DSP Emulator 0.11b2 WIP (11/05/11)

DSP 0.11b2 05/09/11

• General
  • Started rewriting the IRQ and NMI of all CPUs. Now you can have different states for one interruption
  • Fixed (hopefully) at last the driver loading when the ROM is not present, and don't gives fatal error
  • Fixed a possible problem with the directories. In windows is selected the directory separator ''and in linux is selected '/'
•     + Timers
  • Enhanced initiation and treatment
  • Now they are dynamically allocated
  • Much more speed!
•  Window - Fixed whole mess of resizing the main window, now everything is dynamic
• Sound Engine - Added new engine for the sound system (more speed)
  • Simplified initiation
  • Automatically updates the position of the audio (not inside the driver)
  • Controls the channels updates (stereo or mono), and fixed a bug in the stereo downsample
• Simplified system calls and updates for the drivers
• Modified all audio chip to accommodate the new system
• Sample channels allocated dynamically
• Graphical Engine
  • Unified simple variables in a global
  • Simplified scroll system, now it's independent for each graphical plane
•  M68000 CPU
  • Added more opcodes
  • Fixed carry flag in 'cmpi.l' (fixes 'Shinobi' and partial 'Cabal')
• M680X CPU - Fixed a bug when initialized
• M6805 CPU - Added more opcodes
• MCS51 CPU
  • Fixed many bugs
  • Added many opcodes
  •  Added timers
• HD6309
  •  Added some specific addressing modes
  • Added some specific opcodes
• Pandora Chip - Added external definition
• Konami K007121 - Added external definition. Fixed some bugs
• UPD7759 - Added ADPCM sound chip
• OKI 6295
  • Fixed bugs when resampling, better audio quality
  • Added stereo render
• Spectrum
  • Fixed a small bug when loading Spectrum 16k or 48k ROM
• Bubble Bobble
  • Fixed video problems: flickering and weird objects on the screen.
• Prehistoric Isle in 1930
  • Fixed all problems, added sound and controls.
• 1942
  •  Fixed sound CPU IRQs. Now sound speed is correct
• Xain's Sleena
  • Added the real M68705 emulation
• Contra
  • Changed CPU to HD6309
  • Fixed CPU clocks
  • Added IRQ control
• Snow Bros
  • Fixed communication with the chip 'Pandora'
  • Simplified, more speed.
• NMK 16 Harware
  •  Fixed sound, now 'Saboten Bombers' and 'Bomb Jack Twin' work fine
• CPS1
  • Added the posibility to change OKI6295 PIN7 on the fly
  • Fixed the data screens source, should begin at a multiple of $4000 (fixes continue screen in "Captain Commando")
• Combat School
  • Added driver with sound
• -Heavy Unit
  • Added driver with sound
• SNK 68K Hardware
  • P.O.W. - Prisoners of War - added driver with sound
  • Street Smart - added driver with sound
• Jaleco MegaSys 1
  • P47 - Phantom Fighter - Added driver with sound
  • Rod-Land - Added driver with sound, graphics problems with scroll 0 (bugs in M68000)
• Saint Dragon - Added driver, don't work!