What's new in DOSBox 0.73:

May 28th, 2009

· Add two new opl2+opl3 emulators. (better speed, different implementation approach)
· Improved DRO recording/better file structure.
· Add EGA emulation.
· Add special vga machine mode. Supports more of the exotic tricks like changing the palette during screen updates, 9x16 fonts etc.
· Added special machine modes for the following svga cards: S3, Paradise,Tseng
· Fix problems with the vga split line feature.
· Improve vesa emulation.
· Add optional selection of old vesa mode for games that don't work with certain vesa features.
· Improve video BIOS emulation to behave more like a real bios.
· Fixes for emulated 4bpp graphics modes.
· Fixes to paging system.
· Various fixes and improvements for the recompiling core.
· Add arm backend for the recompiling core.
· Add some mscdex quirks when dealing with files that are exactly 8.3 long.
· Small fixes to batch file handling.
· Small fixes to the XMS memory handling.
· Various fixes for aligned memory on hosts that want it.
· Various improvements to the mouse.
· Fixes and small speed ups to the debugger.
· Fix and improve lot's of compilation problems. (curses detection, GCC 3.4 and GCC 4.X fixes)
· Added some basic auto keyboard layout handling. (windows only currently)
· Add basic support for evdev keyboard driver.
· Various fixes to the timer. (improve mode 2 timer changes, implement mode 1, improve gate2 handling)
· Add audio extraction and mci audio support. Should enable CDROM audio for Vista and adds volume control.
· Improve the directory cache speed a lot, especially with mounting slow media like network paths.
· Various fixes to the create temporary file call.
· Don't keep batchfiles open during execution. Allows rewriting of the active batchfile. (menu programs use this trick sometimes)
· Fix problems with filenames with 2 extensions.
· Add some more lowlevel dos tables.
· Fixes to hercules emulation.
· Fix flag handling for special case of ROR.
· Make the batchfile handling in regard to IF more flexible.
· Fixes to scrolling/panning feature.
· Add prefetch queue emulation.
· Make the emulated cpu type selectable. This is mainly the identification commands and the way paging works.
· Some special EMS functionality added. (OS handles, zero-page handling)
· Improve support for EMS when booting a different OS.
· Improve cdrom speed detection by games.
· Improve stability of cycle guessing code, when there is background activity.
· Fix various mscdex and cdrom detection schemes.
· Added Coremidi support on Mac OS X.
· Improve support for DOS devices when used to detect the existance of directories in various ways.
· Add IRQ 2 emulation on VRET. (ega only)
· Added video parameter table and video state functionality.
· Increase default freespace to 250 MB.
· Some fixes to the fat filesystem handling for disk images.
· Some soundblaster fixes and command additions.
· Fix mixer 16bit direct transfers on bigendian hosts.