A7800

Émulateur v5.2

Émulateur Atari 7800 open source utilisant la librairie SDL version 2 et demandant un fichier bios pour fonctionner. Il provient du driver MAME pour l'Atari 7800 (fork).

Dernière mise à jour :

Plateformes

Atari 7800

Architecture

Mac OS X - macOS Mac OS X - macOS Intel x86 Intel x86 Apple Silicon Apple Silicon 64 bits 64 bits SDL Library SDL Library

Téléchargement et liens

Historique des versions

v5.2
Whats new in this release:
For all supported OS's (Linux, macOS and Windows) there is a 64-bit (x64) build.
Changelog complet
This is version 5.2 of a7800. Whats new in this release: * pokey poly9 sequence correction * pokey init state corrected to match real hardware For all supported OS's (Linux, macOS and Windows) there is a 64-bit (x64) build.
v5.1
fix for cart format supergame+ram+pokey@800 crash
Whats new in this release:
For all supported OS's (Linux, macOS and Windows) there is a 64-bit (x64) build.
pokey emulation updated for better two-tone mode accuracy
Changelog complet
This is version 5.1 of a7800. Whats new in this release: * pokey emulation updated for better two-tone mode accuracy * fix for cart format supergame+ram+pokey@800 crash For all supported OS's (Linux, macOS and Windows) there is a 64-bit (x64) build.
v5.0
improved lightgun emulation accuracy.
os x build now defaults to opengl video. (bgfx video may not work on recent os x releases)
Whats new in this release:
a7800dev and a7800pdev machine targets added, which display DMA usage per-scanline.
For all supported OS's (Linux, macOS and Windows) there is a 64-bit (x64) build.
graphical register updates made mid-scanline are now displayed mid-scanline.
bankset bankswitching support added.
pokey emulation quality improvements.
Changelog complet
This is version 5.0 of a7800. Whats new in this release: * graphical register updates made mid-scanline are now displayed mid-scanline. * bankset bankswitching support added. * pokey emulation quality improvements. * improved lightgun emulation accuracy. * a7800dev and a7800pdev machine targets added, which display DMA usage per-scanline. * balanced palette brightness and saturation. * pokey@800 added for non-banked, supergame, and bankset formats. * os x build now defaults to opengl video. (bgfx video may not work on recent os x releases) For all supported OS's (Linux, macOS and Windows) there is a 64-bit (x64) build.
v4.0
Whats new in this release:
For all supported OS's (Linux, macOS and Windows) there is a 64-bit (x64) build.
Implementation of XM control registers updated.
SALLY (CPU) and MARIA (Graphics chip) performance adjustments.
minor POKEY audio emulation improvements.
framerate update to 50Hz/60Hz.
Changelog complet
This is version 4.0 of a7800. Whats new in this release: * Implementation of XM control registers updated. * SALLY (CPU) and MARIA (Graphics chip) performance adjustments. * Additional display options and enhancements. * Audio indication of no ROM loaded silenced. * corrected ST and Amiga mouse button behavior. * 7800 bios files made optional. (with warning when absent) * minor POKEY audio emulation improvements. * framerate update to 50Hz/60Hz. For all supported OS's (Linux, macOS and Windows) there is a 64-bit (x64) build.