System Driver Changes:
- [ATOM] Added natural keyboard support. [Stefano Priore]
- [CPCPLUS] Added raw binary (.bin) cartridge image support. [Barry Rodewald]
- [FAMICOM] Fixed reads to $4031-2 when a disk is not mounted. [MAMEPlus Team]
- [GAMEBOY] Several fixes to the video timing. [Wilbert Pol]
- [GAMEBOY] Fixed a bug in the handling of 256 and 1024 cycle timers. [Wilbert Pol]
- [GAMEBOY] Fixed timer handling details and timer irq generation. [Wilbert Pol]
- [GAMEBOY] Improved handling of VRAM locking in certain STAT modes. [Wilbert Pol]
- [GAMEBOY] Improved handling of OAM locking in certain STAT modes. [Wilbert Pol]
- [GAMEBOY] Improved penalty cycle count for enabled sprites. [Wilbert Pol]
- [MEGADUCK] Fixed default aspect ratio. [Justin Kerk]
- [MEPHISTO] Fixed a keyboard mapping bug. [Dirk Verwiebe]
- [QL] Added sound. [Curt Coder]
- [SG1000] Fixed keyboard/joystick detection. (bug #1444) [Curt Coder]
- [SMS/GG] Disabled interrupt generation on bootup. (bug #1451) [Wilbert Pol]
- [SYM1] Fixed bug #1442. [Dirk Best]
- [SYM1] Better LED support, memory write protect support and added speaker emulation. System is now marked as working. [Dirk Best]
- [TI99] Refactorings and code cleanups. [Michael Zapf]
- [TZX] Added Amstrad CPC .cdt support, and fixed pause length. [Barry Rodewald]
- [TZX] Fixed TZX block type 0x13. [Barry Rodewald]
- [X68000] Improved video timing. [Barry Rodewald]
User Interface Changes:
- [Windows] Fixed occasional crash in menu bar when multithreading is on. [MAMEPlus Team]
Imgtool Changes:
- Modules can now specify IMGTOOLINFO_INT_CHARSET which alters the native character set for a particular Imgtool module. [Dirk Best]
Source Changes:
- The core is based on MAME 0.122. This incorporates all features of the update to this core. [MAME team]
- Changed spacing between natural keyboard key names. [Nate Woods]
- Added a general 74145 BCD-to-decimal decoder emulation, currently used by the SYM-1 driver. [Dirk Best]
- Fixed M65C02 optimization. [Peter Trauner]
- Miscellaneous cleanups (staticization, constification, header file, deprecated use of the "Machine" variable, gfxdecode naming, Machine driver, memory management and removed some legacy code. [Atari Ace]