atari800 を Homebrew でインストール

プロジェクトリンク

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プロジェクトの歴史

The official README credits David Firth for the original 1995 emulator and the Atari800 Development Team from 1998 onward. Its stated goal is a freely distributable portable emulator with source available, covering machines from the Atari 400/800 through XL/XE models, XE Game System, and 5200 SuperSystem.

The project accumulated a wide emulation surface: cycle-exact 6502, ANTIC, GTIA, POKEY behavior; many RAM expansions; disk, cartridge, cassette, printer, H: host filesystem, R: serial/network, MIO and Black Box emulation; save states; screenshots; audio/video recording; and libatari800 for embedding. The version 7.0.0 docs show the project still being actively modernized in 2026.

採用の歴史

Atari800’s adoption predates GitHub; the current Git history starts in 2000 with imported project history and early tagged releases such as ATARI800_0_8_7. In package-manager terms it is a classic portable C project that became easy to build across Unix-like systems, then accumulated Homebrew, Debian, Ubuntu, Fedora, Alpine, MacPorts, and Nix packaging in the supplied metadata.

Its importance is not only playing games. The emulator is part of Atari 8-bit software development workflows because it can load executables, disk images, cartridge images, BASIC programs, tapes, and save states; it also cooperates with assemblers and cross-development tooling.

使われ方

Typical users run `atari800 [options] [filenames]`, passing ATR/XFD/DCM/PRO/ATX disk images, XEX/COM/BAS/LST programs, cartridge ROM/CART files, CAS tapes, or saved states. The emulator requires Atari ROM images unless using newer auto-download behavior, and the first run creates or discovers configuration so ROM paths can be reused.

Version 7.0.0 added built-in Internet downloads for missing OS/BASIC ROMs and zipped disk images, portable mode, and a documented config search order covering explicit `--config`, portable executable-local config, the home default, fallback, and system-wide config.

パッケージ好きにとっての重要性

Atari800 is the sort of package that exposes the whole history of open-source packaging: generated configure scripts, optional zlib/libpng/libmp3lame features, SDL target migration, platform-specific front ends, ROM licensing caveats, and a CLI that doubles as a desktop emulator and automated retro-computing test bed.

タイムライン

• 1995: David Firth copyright and original Atari800 emulator lineage.
• 1998: Atari800 Development Team copyright period begins.
• 2000: Imported Git history begins with early emulator revisions.
• 2026: v6.0.0 made SDL2 the primary SDL target and added NetSIO/FujiNet support.
• 2026: v7.0.0 added built-in Internet downloads, portable mode, and revised config search order.

Related projects

• Related projects and formats include Atari800Win, Atari++, Altirra-style development workflows, FujiNet/NetSIO, Atari 8-bit ROM and disk-image collections, and cross-assemblers such as ATasm.

ソース

• Official git metadata from https://github.com/atari800/atari800.git
• https://github.com/atari800/atari800/blob/master/DOC/INSTALL
• https://github.com/atari800/atari800/blob/master/DOC/README
• https://github.com/atari800/atari800/blob/master/DOC/USAGE
• https://github.com/atari800/atari800/releases.atom