Port of the ProSystem emulator.
The Atari 7800 ProSystem, or simply the Atari 7800, is a video game console re-released by Atari Corporation in June 1986. The original release had occurred two years earlier under Atari Inc. The 7800 was designed to replace Atari Inc.'s unsuccessful Atari 5200 and later to re-establish Atari Corp.'s market supremacy against Nintendo and Sega.
-GX based scaler (smoother scrolling in Plutos, Xevious, Motor Psycho)
-Ability to adjust screen size to any size/dimensions via the "Screen Size" option under "Display". If this is entered after loading a cartridge, the last frame will be displayed to assist in sizing.
-Fixed graphical glitches in Ballblazer
-Implemented RANDOM (read) and SKCTLS (write) for Pokey sound emulation
-Ballblazer now plays all sounds
-Minor refactor of Pokey code
-Some minor adjustments to the Light Gun related code
-Updated palette (from Underball)
-Updated menu code, GX rendering of dip switches and debug information
-Ability to set HBLANK period, Dual-analog support in ProSystem database
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