cc65 is a complete cross development package for 65(C)02 systems, including a powerful macro assembler, a C compiler, linker, librarian and several other tools.
cc65 has C and runtime library support for many of the old 6502 machines, including

• the following Commodore machines:
  
  • VIC20
    
  ...

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...

Why I make NES emulator where many many emulator are available? I want to port NES emulator to PlayStation,but I can't find Portable C source except xNes,it is too slow for PS on R3000/33Mhz. so now I'm making NES emu for DOS/VGA first. My last target is PlayStation with portable code, s ...

FCEUX is a Nintendo Entertainment System (NES), Famicom, and Famicom Disk System (FDS) emulator. It supports both PAL (European) and NTSC (USA/JPN) modes. It supports both Windows and SDL versions for cross compatibility.

The FCEUX concept is that of an "all in one" emulator that offers accurate emulation and the best options for both casual play and a variety of more adva ...

Freeciv is a Free and Open Source empire-building strategy game inspired by the history of human civilization. The game commences in prehistory and your mission is to lead your tribe from the stone age to the space age...

• Plain ANSI portable C
• Fast, runs on low resource devices
• Multi platform:
• SDL ports for win32, linux x86
• Gameboy emulation
• Gameboy Color/Colour emulation
• gzip (.gz files) compress roms
• pkzip (aka regular .zip files) compressed roms

higan is a Nintendo multi-system emulator that began development on
2004-10-14. It currently supports the following systems:

• Famicom
• Super Famicom
• Game Boy
• Game Boy Color
• Game Boy Advance
• Nintendo DS

higan also supports the following subsystems:

• Super Gam ...

You've reached the official site of the MAME development team.

MAME stands for Multiple Arcade Machine Emulator. When used in conjunction with images of the original arcade game's ROM and disk data, MAME attempts to reproduce that game as faithfully as possible on a more modern general-purpose computer. MAME can currently emulate several thousand different classic arcade v ...

UAE is a mostly complete software emulation of the hardware of the Commodore Amiga 500/1000/2000. A Commodore Amiga, for those who don't know, is a 16/32 bit computer system based on the Motorola 680x0 CPU and a few specially designed custom chips that provide very good graphics and sound ca ...