DOSBox is a DOS-emulator that uses the SDL-library which makes it very easy to port to different platforms. It has already been ported to many different platforms, such as Windows, BeOS, Linux, MacOS X. It also emulates CPU:286/386 realmode/protected mode, Directory FileSystem/XMS/EMS, Tandy/Hercules/CGA/EGA/VGA/VESA graphics, a SoundBlaster/Gravis Ultra Sound card for excellent sound compatibility with older games.
- Several small game specific fixes/hacks/support. (Offensive, Roadhog, GTA installer, Kingdom O' Magic soundcard detection, Pirate booter, Armored Fist installer)
- Add the S3-specific 640x480 256 color mode. (fixes regression in "Wooden Ships and Iron Men" and "I Have No Mouth And I Must Scream")
- Fix a stack overflow that could crash DOSBox
- Add fake microphone input. (fixes Talking Parrot)
- Modify adlib turn off code, so that it doesn't turn off in cases where the same sound is repeated over and over again
- Several small fixes to the CDROM audio code.(HOMM2, Redneck Rampage and others)
- Several improvements to the CDROM emulation code. (fixes Alpha Storm and GT Racing 97)
- Some small CPU fixes that might fix something
- Handle opcode 0xff subcode 7 as invalid instruction. (fixes dif-2 & others)
- Some hercules fixes. (Testdrive)
- Improve support for blanked parts that wrap around to the start of the screen. (fixes Magic Circle demo and Sid&Al)
- Remove old OPL cores as the new ones seem to work very nicely
- Modify movie recording code so that the movies aren't corrupt when you exit dosbox without stopping the movie
- Change RGB3x scaler to look more pretty
- Improve initial register values compatility of the GUS
- Added autodetection for Gameblaster. (games can find it now)
- Change render preferences a bit to be more compatible with Windows 7
- Add DOS fixes to terminate program. (fixes Fortune Teller)
- Add FFREEP. (fixes Trucks)
- Improve FPU ST80 in C mode when writing zero. (fixes Antigok)
- Add special int10 scanline function. (fixes mz700 and probably lots of games that mess with them)
- Fix scrolling in rarely used video modes. (fixes Orphee)
- Modify game specific hacks a bit so that Kick off 3 works again
- Lots of fixes to the INT10 video parameter table. (Seven spirits of ra and others)
- Add VGA blanking in machine=vgaonly. (used by Alien Carnage)
- CGA, PCJr, Tandy: Add video blanking, change display start latch timing, sync pulse width correction
- PCJr, Tandy: implement vertical retrace interrupt
- PCJr, CGA: line-by-line video emulation
- PCJr: support on-screen change of color modes 4medium to 16low. (used by Ghostbusters booter)
- Hercules: Add green and amber monochrome support
- All machines: only update the video timing when needed. (Jungle Hunt, others that synchronize to the video screen might profit)
- Several small DOS fixes
- Some UMB related fixes. (The Legacy without UMB)
- Fix version number of DSP for SB 1.5. (fixes a few games)
- Several VGA emulation improvements. (Allertone football manager)
- Some Tandy fixes. (Mech Warrior)
- Small improvements and fixes to the OPL emulation
- Add low level Tandy DAC emulation
- Some EMS fixes. (fixes Mortal Kombat and others)
- Change SoundBlaster DSP reset mechanism, add sb irq acknowledge logic. (fixes stmik-based applications)
- Some interrupt pointer location modifications. (fixes Tinker Tales)
- Some fixes to the BOOT code. (fixes Last Mission)
- Respect write-only file information. (fixes Champions of Zulala)
- Some RTC fix. (fixes Tully Bodine and others)
- Improve mouse emulation to work better with Water World
- Hopefully fix the translation of the configuration file
- Speed up and fixes for the recompiler core. (pitfall2 pcjr)
- Change memory start location. (fixes 7th Guest installer)
- Several fixes to the batch file handling. (Shift and use the typed first %0 instead of the parsed %0)
- Improve file redirection and redirected line ends. (fixes Phantasmagoria 2 DOS installer)
- Fix compilation with new MAC os X version
- Add 16C550A FIFO support to the serial port emulation
- Improve modem emulation to get higher speeds
- Change default samplerates to 44100, blocksize to 1024 and prebuffer to 20, so that hopefully certain soundcards produce more fluent sound playback
- Add some rarely used, but for some games critical flags to the internal commands
- Add -userconf flag, so that the userspecific configuration can easily be used together with -conf configfile
- Improve internal timing with repeating timers (especially with the dynamic core)
Reviewing 0.74 (May 12, 2010)
This is the only way to run Scorched Earth under 32-bit Windows Vista and 7. Apparently after Windows XP Microsoft removed all support for 16-bit DOS apps.
Reviewing 0.74 (May 12, 2010)
If you ever used DOS back in the old days it's impossible not to love DOSBox :)
Reviewing 0.72 (Aug 28, 2007)
Excellent work and a must have for legacy DOS based games and applications. This is not the same as VMWare or similar virtual machines - this is a self-contained emulator. VMWare, Parallels etc require you to install DOS, all sound, CD-ROM, VESA VBE drivers yourself. This is a stand-alone utility that has a built-in DOS command interpreter, ADLIB/SB/SBPRO/SB16/GUS et al sound drivers and VESA video. It does not require virtual hard drives you simply mount a directory of your choice and assign a drive letter.
For certain games this works better than virtualization. I like the fact that you can adjust the CPU clock cycles for older games that run too fast on today's machines. (Wing Commander is a perfect example).
If you were considering setting up a VMWare DOS environment but don't want to go through all the fun of tweaking CONFIG.SYS and AUTOEXEC.BAT to get maximum base memory try this instead. Highly recommended. Also check the forums, lots of helpful advice on getting your old apps to run.
Reviewing 0.72 (Aug 27, 2007)
wetink Just because you are an idiot does not mean you have to give a great program a lower rating.
Reviewing 0.71 (Aug 20, 2007)
Maybe useful ...
But why not taking DRDOS/NovellDOS and have a multiboot system?!
... ran fine with Win98, but don't know how it works on a NTFS-File-System.
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