Tuesday, June 30, 2009

Wii7800 0.2

by Raz0red

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.

-Lightgun support
-High score cartridge support
-Increased accuracy of Maria cycle timing, games now run at close to their intended speed (One on One, Tower Toppler, Summer Games, KLAX, Karateka, etc.)
-Increased compatibility for PAL games (Ballblazer, Commando, and Food Fight now work)
-Audio now sounds as it should regardless of frequency (PAL games and custom frame rates)
-Timers now properly take into consideration cycles generated via Maria and during WSYNC
-Changes to ProSystem database format
-Maria cycles are now enabled by default (option 0x1 now disables Maria, the opposite of before)
-Ability to adjust the lightgun crosshair offset per game
-All games now have Maria cycles and WSYNC enabled in the ProSystem database (with the exception of MIA)
-Console switch defaults updated to work with the majority of games
-Additions to debug output (Maria vs. CPU cycles, timer info, etc.)
-Other games improved by various changes
-Kung Fu Master no longer has the lines in the upper left corner of display and the -Fuji logo appears as it should (if using BIOS)
-Midnight Mutants has less graphical glitches
-Summer Games has less graphical glitches
-Plutos has slightly less graphical glitches
-Fixed save/restore state issue for games that use RIOT timers.

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