Atari 8-bit machine emulator for multiple platforms. Major features: o Atari 400, 800, 600 XL, 800XL, 130XE, 5200 Games System. o 130XE compatible memory expansions: 320K, 576K, 1088K. o Optional 4K RAM between 0xc000 and 0xcfff in 400/800 mode. o Cycle-exact 6502 emulation, all unofficial instructions. o Cycle-exact NMI interrupts, scanline-based POKEY interrupts. o Scanline-based ANTIC emulation, all display modes, precise timing. o Player/Missile Graphics, exact priority control and collision detection. o Exact POKEY shift registers (sound and random number generator). o 8 disk drives, emulated at computer-to-drive communication and fast patched SIO levels. o ATR, XFD, DCM, ATR.GZ and XFD.GZ disk images. o Direct loading of Atari executable files. o 24 cartridge types, raw and CART format. o Cassette player, raw and CAS images. o Printer support. o Files can be stored directly on your host computer via the H: device. o Current emulation state can be saved in a state file. o Sound support (possibility to redirect it to WAV files). o Stereo (two POKEYs) emulation. o Joystick controller using numeric keypad and real joystick support. o Screen snapshots (normal and interlaced) to PCX files.