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emulator profiles support mode: standalone | libretro | both. cross_reference.py skips standalone-only files for libretro platforms. 81.yml: type standalone + libretro, upstream ref added, files listed with mode: standalone and source_refs to both codebases. bios/Sinclair/ZX 81/: zx81.rom (8K) and dkchr.rom (4K) archived.
45 lines
1.6 KiB
YAML
45 lines
1.6 KiB
YAML
emulator: EightyOne
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type: standalone + libretro
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source: "https://github.com/libretro/81-libretro"
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upstream: "https://github.com/charlierobson/EightyOne"
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profiled_date: "2026-03-18"
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core_version: "1.0a"
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display_name: "Sinclair - ZX 81 (EightyOne)"
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cores:
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- 81
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systems:
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- sinclair-zx81
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notes: |
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Libretro core embeds zx81.rom and dkchr.rom as C arrays (xxd -i at build).
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Core never calls RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY.
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Standalone EightyOne loads ROMs from filesystem (cwd/ROM/<filename>).
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Original emulator supports ~15 machines (ZX80, ZX81, Jupiter ACE, TS1500,
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Lambda, R470, TK85, ZX97LE, Spectrum variants). Libretro port hardcodes
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MACHINEZX81 — only zx81.rom and dkchr.rom are embedded.
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files:
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# mode: standalone = only needed when running as standalone emulator
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# mode: libretro = only needed when running as libretro core
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# mode: both (default if absent) = needed in both modes
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# ref: 81-libretro/81/zx81/snap.c:37,489-496 — embedded as bin_ROM_zx81_rom
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# ref: EightyOne/Source/zx81/snap.cpp:1219-1279 — open(cwd/ROM/zx81.rom)
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- name: zx81.rom
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system: sinclair-zx81
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required: true
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mode: standalone
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size: 8192
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note: "ZX81 8K BASIC ROM. Embedded in libretro core, external for standalone."
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source_ref: "EightyOne/Source/zx81/snap.cpp:1264, 81-libretro/81/zx81/snap.c:489"
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# ref: 81-libretro/81/zx81/snap.c:38,499-508 — embedded as bin_ROM_dkchr_rom
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- name: dkchr.rom
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system: sinclair-zx81
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required: false
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mode: standalone
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size: 4096
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note: "dK'tronics character ROM. Embedded in libretro core."
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source_ref: "81-libretro/81/zx81/snap.c:499"
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