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.
66 lines
2.5 KiB
YAML
66 lines
2.5 KiB
YAML
emulator: CrocoDS
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type: libretro
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core_classification: official_port
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source: "https://github.com/libretro/libretro-crocods"
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upstream: "https://github.com/redbug26/crocods-core"
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profiled_date: "2026-03-23"
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source_commit: "a9c63b29443715ae2add392010fca4eae7f93e67"
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core_version: "v1"
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display_name: "Amstrad - CPC (CrocoDS)"
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cores:
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- crocods
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systems:
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- amstrad-cpc
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notes: |
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CrocoDS is an Amstrad CPC 6128 emulator ported to libretro. Supports
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.dsk, .sna, and .kcr file formats.
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All system ROMs are compiled directly into the core binary as C byte
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arrays. No external BIOS files are required.
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Embedded ROMs (crocods-core/):
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- cpc6128.bin.c: cpc6128_bin[32768] - CPC 6128 OS (16KB) + BASIC 1.1 (16KB)
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- romdisc.bin.c: romdisc_bin[16384] - AMSDOS disk controller ROM (16KB)
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ROM initialization in InitMemCPC() (crocods-core/vga.c:185-200):
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- ROMINF (lower ROM, 16KB): first half of cpc6128_bin (OS)
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- ROMEXT[0] (upper ROM slot 0, 16KB): second half of cpc6128_bin (BASIC)
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- ROMEXT[7] (upper ROM slot 7, 16KB): romdisc_bin (AMSDOS)
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Called from HardResetCPC() (crocods-core/platform.c:1024-1035) using
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the extern byte arrays directly. No filesystem ROM loading exists in
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the libretro path.
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A Multiface ROM loader exists (crocods-core/multiface.c:53-64) that
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reads LocRomMulti via fopen(), but InitMultiface() is never called
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from the libretro build or platform.c. Dead code in libretro context.
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The core does not request retro_system_directory or declare any
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firmware entries in the .info file. need_fullpath is false.
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Only the CPC 6128 model is emulated (no CPC 464/664 selection).
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files: []
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platform_details:
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bios_mapping:
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source_ref: "crocods-core/vga.c:185-200, crocods-core/platform.c:1024-1035"
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note: |
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All ROMs are embedded. InitMemCPC() copies cpc6128_bin and romdisc_bin
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into ROMINF and ROMEXT arrays via memcpy. No filesystem lookup occurs.
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retro_set_environment() does not request system_directory.
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embedded_roms:
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source_ref: "source crocods-core/cpc6128.bin.c, source crocods-core/romdisc.bin.c"
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note: |
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2 ROM sets embedded as C byte arrays:
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cpc6128_bin (32KB) - CPC 6128 OS (lower 16KB) + BASIC 1.1 (upper 16KB)
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romdisc_bin (16KB) - AMSDOS disk controller ROM, mapped to slot 7
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model_rom_map:
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source_ref: "crocods-core/vga.c:189-192"
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note: |
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CPC 6128 only: OS in ROMINF, BASIC in ROMEXT[0], AMSDOS in ROMEXT[7]
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emulator_patch_ROM() applies language patches to ROMINF after loading
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