mirror of
https://github.com/Abdess/retroarch_system.git
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91 lines
3.6 KiB
YAML
91 lines
3.6 KiB
YAML
emulator: "SimCoupe (standalone)"
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type: standalone
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core_classification: official_port
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source: "https://github.com/simonowen/simcoupe"
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upstream: "https://github.com/simonowen/simcoupe"
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profiled_date: "2026-10-04"
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source_commit: "1f966036543991c05022ce4f95cfbfbb0014b187"
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core_version: "v1.2.17"
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display_name: "SAM Coupe (SimCoupe)"
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cores:
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- samcoupe
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systems:
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- sam-coupe
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mode: standalone
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notes: |
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SimCoupe is the SAM Coupe emulator by Simon Owen. The modern 1.2.x
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releases are standalone (SDL and Win32 ports), separate from the older
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pre-1.0 code the libretro simcp core wraps. Four files sit next to the
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binary in the installed Resource/ directory and are picked up by
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OSD::MakeFilePath(PathType::Resource, name).
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samcoupe.rom is the SAM Coupe ROM v3.0. LoadRoms (Base/Memory.cpp
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:167-229) opens it, reads two 16kB pages into ROM0 and ROM1, and
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returns true on a complete read. A failed open or a short read falls
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back to another load of samcoupe.rom (lines 194-196) and, if even that
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fails, fills both ROM pages with 0xFF and prints "Error loading ROM"
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(lines 225-228). The emulator keeps running but the Z80 then executes
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0xFF (RST 38h) from reset, so nothing boots: the file is practically
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required.
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atom.rom and atomlite.rom boot the SAMBUS Atom / Atom Lite IDE drives
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the SAM community added. Memory.cpp:180-189 picks atomlite.rom when
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either drive is configured as drvAtomLite, atom.rom when drive 2 is
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drvAtom, and otherwise stays on samcoupe.rom. The default option
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atombootrom = true (Base/Options.h:46) enables this path, so a user
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running an Atom-configured machine needs the matching ROM; a plain
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SAM Coupe never opens them.
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sp0256-al2.bin is the Microchip SP0256-AL2 allophone data loaded by
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the Blue Alpha VoiceBox device (Base/VoiceBox.cpp:35-40). VoiceBox is
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enabled by default (Base/Options.h:124, voicebox = true) and the
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constructor opens the file at reset; if it is absent the SP0256
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stays zero-initialised and the device returns silence to any program
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that queries port 0xFF (Base/SAMIO.cpp:538-539, 760).
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files:
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- name: samcoupe.rom
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system: sam-coupe
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required: true
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size: 32768 # 32 kB, two 16 kB ROM pages
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md5: "ad08ed47b07b0d7047fd3d0b5e7d90b3"
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sha1: "c86601633fb61a8c517f7657aad9af4e6870f2ee"
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crc32: "0b7e3585"
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validation: [size]
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description: "SAM Coupe ROM v3.0 (ROM0 + ROM1 pages)"
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source_ref: "Base/Memory.cpp:167-229 (LoadRoms); Resource/samcoupe.rom"
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- name: atom.rom
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system: sam-coupe
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required: false
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size: 32768
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md5: "fcb5d837f996efaaece074c3ceec2b55"
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sha1: "cd342579f066c0863e4f769c2e6757085e21b0a1"
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crc32: "dec75f58"
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validation: [size]
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description: "SAMBUS Atom IDE boot ROM, loaded when drive 2 is drvAtom"
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source_ref: "Base/Memory.cpp:186-188; Resource/atom.rom"
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- name: atomlite.rom
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system: sam-coupe
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required: false
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size: 32768
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md5: "ec1e8290da040307d6b3174b7ace9453"
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sha1: "b2303b7200f5a17b54b841af9f0604db7bbdd1ab"
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crc32: "9cf316a8"
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validation: [size]
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description: "SAMBUS Atom Lite IDE boot ROM, loaded when either drive is drvAtomLite"
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source_ref: "Base/Memory.cpp:183-184; Resource/atomlite.rom"
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- name: sp0256-al2.bin
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system: sam-coupe
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required: false
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size: 2048
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md5: "c6fe422a12d834b34c54956782ec5f81"
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sha1: "e60fcb5fa16ff3f3b69d36c7a6e955744d3feafc"
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crc32: "b504ac15"
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validation: [size]
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description: "Microchip SP0256-AL2 allophone data for the Blue Alpha VoiceBox"
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source_ref: "Base/VoiceBox.cpp:35-40 (VoiceBoxDevice::VoiceBoxDevice); Base/Options.h:124 (voicebox default on); Resource/sp0256-al2.bin"
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