mirror of
https://github.com/Abdess/retroarch_system.git
synced 2026-10-21 03:09:08 -05:00
Abdessamad Derraz
b3b3880c19
Profiles that read two repositories, a libretro port and its upstream, now prefix each citation with source or upstream, decided by which tree carries the cited value at its pin. The emulator pages use the word to tell libretro glue, emulator code as the port carries it, and the upstream emulator apart.
50 lines
1.7 KiB
YAML
50 lines
1.7 KiB
YAML
emulator: ProSystem
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type: libretro
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core_classification: community_fork
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source: "https://github.com/libretro/prosystem-libretro"
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upstream: "https://github.com/gstanton/ProSystem1_3"
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profiled_date: "2026-03-24"
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source_commit: "8a88014287c7a01cd568067e5a557d0a2b2a051f"
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core_version: "1.3e"
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display_name: "Atari - 7800 (ProSystem)"
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cores:
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- prosystem
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systems:
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- atari-7800
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notes: |
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Atari 7800 emulator by Greg Stanton, ported to libretro by community
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contributors. The upstream is a Windows-only application with a single
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user-configured BIOS path. The libretro port adds automatic region-based
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BIOS selection: PAL carts get (E), everything else gets (U).
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Region is read from cartridge header byte 57 (core/Cartridge.c:214) or
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overridden by the internal database (core/Database.c:1739-1757).
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Both BIOS files are optional. The core runs without them but some titles
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have compatibility issues (startup encryption check). bios_Store() maps
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the BIOS into ROM at address (65536 - bios_size).
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No core option controls BIOS loading. If the file exists in the system
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directory, it is loaded automatically. No hash or size validation is
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performed on the BIOS file.
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The .info declares firmware_count=1 (U only), missing the PAL BIOS.
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files:
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- name: "7800 BIOS (U).rom"
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system: atari-7800
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required: false
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hle_fallback: true
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size: 4096
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description: "NTSC/US BIOS, loaded when cartridge_region != REGION_PAL"
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source_ref: "source core/libretro.c:585"
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- name: "7800 BIOS (E).rom"
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system: atari-7800
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required: false
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hle_fallback: true
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size: 16384
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description: "PAL/EU BIOS, loaded when cartridge_region == REGION_PAL"
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source_ref: "source core/libretro.c:583"
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