[arcade] DSP Emulator 0.12 (13/10/11)

DSP 0.12 10/10/11

General

Lazarus:

• Migrated remaining functions (compression/decompression ZIP and ZLIB, windows, settings, etc.)
• Added Spectrum and Amstrad CPC drivers (including tape, disc and LensLock protection)
•  New system to redefine the keyboard, simple and easy.
• Added a new module 'file_engine'
• Moved functions for read/write standard files
• Moved and expanded functions for use the ZIP files
• Moved functions for compression/decompression ZLIB
• Moved functions for read/write the INI file
• Moved functions for load/save hi-scores
• Unified most of the general variables (screen, sound and general) to avoid duplication problems
• Simplified the load of the drivers (generalized functions), added functions and procedures to improve the synchronization between Delphi and Lazarus
• Added general functions for automatically rotate +90ş or -90ş the main screen
• Changed the display system for disks and LensLock, now appears in a window separated from the main window

  Motorola 68000 CPU

• Fixed opcode 'divs'
  •  Fixed issues with the sign in various opcodes and addressing modes (fixes 'BombJack Twins', 'Snow Bros' etc.)

TMS-32010 CPU

• Added 'addh', 'mpy' and 'subh' opcodes
• Fixed opcodes 'abs' and 'add_sh'

UPD765:

• Added a patch to support more copy protections (in addition to cleaning up the code)
• Supported block 'Offset-Info' at the end of disk (ignored)
• OKI6295: Small changes and improvements, better sound quality
• Namco Sound: Added possibility to disable the sound (modified drivers which use it)
  • Samples
    •  Fixed bug loading samples
    •  Fixed distorted sound

Amstrad CPC

• Code cleaning
  •  Implemented the real PPI8255, not simulated
    • Rewritted all communication between GateArray, PPI8255 and AY8912. Eliminated problems reading the keyboard, RAM paging, color palette, sound and cassette.
  • Mapped almost all keys and joystick for second player
  • Fixed some video problems ('Arkanoid', 'Back to the Future II', 'Robocop', etc)
  • Thanks to the improvements of the UPD765 most of the disc protections work ('Goody', 'Robocop', 'Double Dragon II', 'Ghostbusters II', etc)
  • The software compatibility is almost 90%-95%, except for some video problems (special configurations of the video chip) and some disk protection
• Legendary Wings
  • Implemented screen rotation functions
  • Simplified video system
• Trojan
  • Fixed video
  • Simplified graphics management

NMK 16 Hardware

•  Implemented screen rotation functions
• Simplified and corrected the video system

Sega System 16A Hardware

• Fixed a video priority issue (bonus stage)
•  Implemented switch off the video output (not working due problems with the PPI8255 communication)
•  Added sound chip (not working due problems with the PPI8255 communication)

Pengo

• Fixed ROM size

SNK 68K Hardware

• Fixed some problems in video and sprites memory
• Added the review of the A8007 board: protection, audio and video
  • Ikari 3 - The rescue: added driver with sound
  • Search and Rescue: aadded driver with sound

Twin Cobra Hardware

•     - Twin Cobra: added driver with sound
•     - Flying Shark: added driver with sound

Jr. Pac-Man

•     - Added driver with sound, just missing some optimizations of video system