[arcade] DSP Emulator 0.11b4 WIP (04/08/11)

DSP 0.11b4 08/04/11

General

• Fixed a small bug when changing directories from the settings, exit and run DSP again, directories are not loaded properly.

Sound engine

•  Fixed a bug initializing the sound card
• Fixed number of audio channels, there was always one more than needed
• General cleaning of the code of all arcade drivers
•  M6502 CPU
  • Added two CPU variants: DECO16 and 2A03 (NES)
  • DECO16: Added opcodes, specific timings and IO functions
  • 2A03: Added specific opcodes
• Simplified synchronization and reading events, everything works now in a single call
• Control engine
• Unified joystick events with arcade events
• Expanded available redefinable buttons, 6 total per player
• R35902 (GB/GBC)
• Fixed opcode DEC (HL)
• Z80 CPU
  • Fixed RST opcode timing
  •  Enhanced HALT opcode treatment (more speed)

Spectrum

• Fixed snapshots loading, especially when it's needed to change machine
•  Fixed a special case when loading block $19 of TZX v1.20
• Changed the joystick, now works with redefinable keys or joystick
•  Fixed erratic operation of the keyboard (key repeating, no answer, priority of the joystick, etc)
• Fixed directories saves
•  At last the floating bus works! In Spectrum 48k and Spectrum 128k
• If the ULA+ is working and a snapshot is loaded, the colors of the palette are unchanged
• New loading windows for Snapshot/Tapes now gives more information (file format, machine model and screen shot)
•  Improved contended memory, after some tests only fail all IN and OUT opcodes

Amstrad CPC

• Fixed audio
• Changed the joystick, now works with redefinable keys or joystick

Galaxian Hardware

•  Frogger:
•          - Code integrated in Galaxian HW
•          - Removed all video and palette hacks
•          - Improved memory map
• Galaxian:
•          - Improved memory map
•          - Fixed the color of the background stars
• Jump Bug:
•          - Improved memory map
•          - Fixed controls
•          - Fixed the color of the background stars
• Moon Cresta:
•          - Improved memory map
•          - Fixed sprites
• Scramble: Added driver with sound
• Super Cobra: Added driver with sound
•  Amidar: Added driver with sound
• -Phoenix
• Fixed sound, does not crash if the audio is silent.
• -Express Raider
  •     - Removed hacks, now uses the DECO16 CPU

Galaga Hardware

• Fixed Namco IO 51XX
• Galaga
  • Works perfectly. Added sprites and background stars
• Pengo
  • Added driver with sound
• Coleco
• Changed the joystick, now works with redefinable keys or joystick
• -NES
• Updated the driver now uses standard functions
• Changed the joystick, now works with redefinable keys or joystick