Atari800 is an Atari 800, 800XL, 130XE and 5200 emulator with various extensions (320kB RAM, stereo sound and more).
Its main objective is to create a freely distributable portable emulator (i.e. with source code available).
The software is released under an open source license.
- Atari 400, 800, 600 XL, 800XL, 130XE, 5200 Games System.
- 130XE compatible memory expansions: 320K, 576K, 1088K.
- Optional 4K RAM between 0xc000 and 0xcfff in 400/800 mode.
- Cycle-exact 6502 emulation, all unofficial instructions.
- Cycle-exact NMI interrupts, scanline-based POKEY interrupts.
- Cycle-exact ANTIC and GTIA emulation, all display modes.
- Player/Missile Graphics, exact priority control and collision detection.
- Exact POKEY registers (sound and random number generator).
- 8 disk drives, emulated at computer-to-drive communication and fast patched SIO levels.
- ATR, XFD, DCM, ATR.GZ and XFD.GZ disk images.
- Direct loading of Atari executable files and Atari BASIC programs.
- 42 cartridge types, raw and CART.
- Cassette recorder, raw and CAS images.
- Printer support.
- Files can be stored directly on your host computer via the H: device.
- Current emulation state can be saved in a state file.
- Sound support on Unix using “/dev/dsp”.
- Stereo (two POKEYs) emulation.
- Joystick controller using numeric keypad.
- Real joystick support.
- Paddles, Atari touch tablet, Koala pad, light pen, light gun, ST/Amiga mouse, Atari trak-ball, joystick and Atari 5200 analog controller emulated using mouse.
- R-Time 8 emulation using host computer clock.
- Atari palette read from a file or calculated basing on user-defined parameters.
- Screen snapshots (normal and interlaced) to PCX and PNG files.
- Sound output may be written to WAV files.
- User interface on all versions supporting bitmapped graphics.
- R: device (the Atari850 serial ports) mapped to net or real serial port.
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