Free emulators software for mac

Intellivision for Mac: Volume 1 2.1.3 brings you a convenient and useful gaming utility. Intellivision for Mac: Volume 1 offers the original game code of Astrosmash, Skiing, and Utopia, running on software emulating the Intellivision hardware. Unlike some complex emulators, you can easily download the small file, unstuff it, and immediately blast to the past. To refresh your memory, Astrosmash is sort of like an Asteroids/Space Invaders fusion wherein your ship--on the bottom of the screen--faces oncoming meteors and aliens, Skiing is one of the classic Sports Network titles that established the reputation of Intellivision, and Utopia is considered by many computer game aficionados to be the granddaddy of all sim games.

DOSBox is a DOS-emulator that uses the SDL-library which makes DOSBox very easy to port to different platforms. DOSBox has already been ported to many different platforms, such as Windows, BeOS, Linux, Mac OS X.
Its statically compiled against SDL and built upon the Cocoa, Carbon, OpenGL, QuickTime, and AudioUnit frameworks.
DOSBox 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.
This is a rather trivial port of DOSBox to MacOS X. What if you just want to play some old games? This port of DOSBox may be your answer.
Its statically compiled against SDL, is built upon the Cocoa, Carbon, OpenGL, QuickTime, and AudioUnit frameworks, and thus, is only MacOS 10.3.x (or Panther) compatible. It has partial protected mode emulation, a subset of VESA 1.2 functionality (800x600x8) via S3 Trio emulation, and internal modem support via the SDL_net framework.
You can "re-live" the good old days with the help of DOSBox, it can run plenty of the old classics that dont run on your new computer.

System requirements:
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Enhancements
- 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:S3ParadiseTseng
- Fix problems with the vga split line feature.
- Improve vesa emulation.
- Add optional selection of old vesa mode for games that dont 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 lots 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.
- Dont 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.

BSNES has a somewhat different purpose to most emulators; it focuses on accuracy over performance.
To that end, it does not include any game specific hacks, or idle-loop skipping optimizations commonly found in other emulators. To add to the fun, it uses a cycle accurate hardware emulation.
The net result of all this is the highest system requirements of any emulator available for Mac; those without a G5 class machine need not apply. If your Mac meets the requirements, however, this is the most accurate SNES emulation available on the Macintosh platform.

Main features:
- Support for the S-RTC and S-DD1 custom chips.
- Full sound emulation.

System requirements:
- BSNES requires a minimum of a PowerMac G5 to run. The current release is unlikely to run at full frame rate on anything less than 2.3GHz.

Enhancements
- In sync with the latest version for PC (again!). The major change in this release is support for the SuperFX chip (Yoshis Island, Starfox, etc).
- Began using profile directed optimization in Xcode, which gives roughly a 10% speed up.