mirror of
https://github.com/Abdess/retroarch_system.git
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50 lines
2.0 KiB
YAML
50 lines
2.0 KiB
YAML
emulator: mednafen_supergrafx
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type: libretro
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core_classification: community_fork
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source: "https://github.com/libretro/beetle-supergrafx-libretro"
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upstream: "https://mednafen.github.io/"
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profiled_date: "2026-10-04"
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source_commit: "eabaaa438b1732d05ff206a97e700f845d6bfa96"
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core_version: "v1.29.0"
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display_name: "NEC - PC Engine SuperGrafx (Beetle SuperGrafx)"
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cores: [mednafen_supergrafx, beetle_supergrafx]
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systems: [nec-pc-engine]
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verification: existence
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notes: >
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Port of Mednafen's pce_fast module with SuperGrafx and CD support.
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The card image is read from the system directory by HuC_LoadCD() at
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CD-ROM load time (mednafen/pce_fast/huc.cpp:221-245); the load fails when
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the file cannot be opened. Core option "sgx_cdbios" selects which image
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to use (default: System Card 3). With "sgx_detect_gexpress" enabled (the
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default), DetectGECD() recognises Games Express discs and loads
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gexpress.pce whatever the selection (mednafen/pce_fast/pce.cpp:453-454).
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DetectSGXCD() detects SuperGrafx CD titles via magic bytes.
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Arcade Card emulation is always on (mednafen/settings.cpp:90-91).
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HuC_LoadCD() strips a 512-byte header and copies at most 262144 bytes.
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No hash or size validation on BIOS load.
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files:
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- name: "syscard3.pce"
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description: "CD-ROM System Card 3.0 (Japan)"
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required: true
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source_ref: "libretro.cpp:972-973, mednafen/settings.cpp:37"
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note: "Default value for sgx_cdbios option."
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- name: "syscard2.pce"
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description: "CD-ROM System Card 2.0 (Japan)"
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required: false
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source_ref: "libretro.cpp:974-975"
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note: "sgx_cdbios = 'System Card 2'."
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- name: "syscard1.pce"
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description: "CD-ROM System Card 1.0 (Japan)"
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required: false
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source_ref: "libretro.cpp:976-977"
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note: "sgx_cdbios = 'System Card 1'."
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- name: "gexpress.pce"
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description: "Games Express CD Card"
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required: false
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source_ref: "libretro.cpp:978-979, mednafen/pce_fast/pce.cpp:330-367,453-454"
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note: "sgx_cdbios = 'Games Express' or auto-detected via DetectGECD()."
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