mirror of
https://github.com/Abdess/retroarch_system.git
synced 2026-04-13 12:22:33 -05:00
de1940d57c
Batch analysis of all 273 profiles to identify HLE/embedded fallbacks. Added hle_fallback: true where the core has verified software replacement for missing BIOS files: - Embedded ROMs: vice (102), ep128emu (22), fuse (18), frodo (4) - HLE BIOS: bsnes* (33 across 3 profiles), puae (9 AROS), noods (4), melonds* (6 FreeBIOS), flycast (3 reios) - Open-source replacements: sameboy (8), pokemini (1), gpsp (1) - Built-in fallbacks: np2kai (7), atari800 (6 Altirra), picodrive (3), quasi88 (4), gambatte (2) Conservative: only added where notes or source code confirm HLE. Skipped 50+ profiles where files are optional alternatives, not HLE replaceable (neocd, opera, kronos, pcem, etc.)
163 lines
5.6 KiB
YAML
163 lines
5.6 KiB
YAML
emulator: QUASI88
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type: libretro
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source: "https://github.com/libretro/quasi88-libretro"
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profiled_date: "2026-03-18"
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core_version: "0.6.4"
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display_name: "NEC - PC-8000 / PC-8800 series (QUASI88)"
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cores:
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- quasi88
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systems:
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- pc-8801
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# QUASI88 is a NEC PC-8801 emulator. The libretro port includes a pseudo-BIOS
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# (pbios_n88, pbios_disk) compiled into the core that provides basic compatibility
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# when real BIOS files are missing. With the pseudo-BIOS, many disk-based games
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# will boot, but compatibility is lower than with real ROMs.
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#
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# ROM file search order (libretro.c:444-491):
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# 1. <download_dir>/<filename>
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# 2. <system_dir>/quasi88/<filename>
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# 3. <system_dir>/<filename>
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# Each ROM entry has up to 4 alternate filenames tried in order.
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#
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# ROM loading (libretro.c:550-594):
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# N88.ROM and DISK.ROM (SUB_ROM) are the only two checked for failure.
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# If missing, the core falls back to the built-in pseudo-BIOS.
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# All other ROMs are loaded silently if present, ignored if absent.
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#
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# The original QUASI88 (memory.c:80-95) uses uppercase-first filenames
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# (N88.ROM, N88EXT0.ROM, etc.) while the libretro .info file standardizes
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# on lowercase with underscore variants (n88.rom, n88_0.rom, etc.).
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# The core tries both naming conventions.
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#
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# FONT.ROM/FONT2.ROM/FONT3.ROM are not listed in the .info file.
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# When missing, the core uses built-in fonts or falls back to kanji ROM glyphs.
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notes: |
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Files go in <system_dir>/quasi88/ or directly in <system_dir>/.
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The pseudo-BIOS built into the core covers N88-BASIC V2 and the disk
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subsystem at a basic level. For full compatibility (N-BASIC, V1H/V1S modes,
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dictionary lookup, kanji display), real ROM files are needed.
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N88_0.ROM (EXT0) is marked required in the .info file because it contains
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the N88-BASIC V2 extension used by most software. EXT1-EXT3 are version-
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specific extensions (V1H, V1S, older V2) needed only for specific titles.
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The core option "quasi88_basic_mode" selects N88 V2, N88 V1H, N88 V1S,
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or N mode. Each mode requires its corresponding ROM to be present.
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files:
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# -- Required for full operation --
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- name: n88.rom
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path: "quasi88/n88.rom"
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size: 32768
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required: true
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note: "N88-BASIC main ROM (32 KB). Core falls back to pseudo-BIOS if missing."
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source_ref: "src/LIBRETRO/libretro.c:550"
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aliases: ["N88.ROM"]
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- name: n88_0.rom
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path: "quasi88/n88_0.rom"
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size: 8192
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required: true
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note: "N88-BASIC V2 extension ROM 0 (8 KB). Needed for most PC-8801 software."
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source_ref: "src/LIBRETRO/libretro.c:555"
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aliases: ["N88_0.ROM", "N88EXT0.ROM", "n88ext0.rom"]
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# -- Optional extensions --
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- name: n88_1.rom
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path: "quasi88/n88_1.rom"
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size: 8192
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required: false
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note: "N88-BASIC V1H extension ROM 1 (8 KB). For V1 High-speed mode software."
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source_ref: "src/LIBRETRO/libretro.c:556"
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aliases: ["N88_1.ROM", "N88EXT1.ROM", "n88ext1.rom"]
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- name: n88_2.rom
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path: "quasi88/n88_2.rom"
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size: 8192
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required: false
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note: "N88-BASIC V1S extension ROM 2 (8 KB). For V1 Standard mode software."
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source_ref: "src/LIBRETRO/libretro.c:557"
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aliases: ["N88_2.ROM", "N88EXT2.ROM", "n88ext2.rom"]
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- name: n88_3.rom
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path: "quasi88/n88_3.rom"
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size: 8192
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required: false
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note: "N88-BASIC extension ROM 3 (8 KB). Older V2 extension, rarely needed."
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source_ref: "src/LIBRETRO/libretro.c:558"
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aliases: ["N88_3.ROM", "N88EXT3.ROM", "n88ext3.rom"]
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- name: n88n.rom
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path: "quasi88/n88n.rom"
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size: 32768
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required: false
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note: "N-BASIC ROM (32 KB). For PC-8001 compatible N-BASIC mode."
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source_ref: "src/LIBRETRO/libretro.c:559"
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aliases: ["N88N.ROM", "N80.ROM", "n80.rom"]
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- name: disk.rom
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path: "quasi88/disk.rom"
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size: 2048
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required: false
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hle_fallback: true
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note: "Disk subsystem ROM (2 KB, 2D type). Core falls back to pseudo-BIOS if missing. 8 KB variant (2HD type) also accepted."
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source_ref: "src/LIBRETRO/libretro.c:552"
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aliases: ["DISK.ROM", "N88SUB.ROM", "n88sub.rom"]
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- name: n88knj1.rom
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path: "quasi88/n88knj1.rom"
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size: 131072
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required: false
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note: "Kanji ROM level 1 (128 KB). Required for Japanese text display. Also used as font fallback."
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source_ref: "src/LIBRETRO/libretro.c:560"
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aliases: ["N88KNJ1.ROM", "KANJI1.ROM", "kanji1.rom"]
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- name: n88knj2.rom
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path: "quasi88/n88knj2.rom"
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size: 131072
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required: false
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note: "Kanji ROM level 2 (128 KB). Extended kanji character set."
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source_ref: "src/LIBRETRO/libretro.c:561"
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aliases: ["N88KNJ2.ROM", "KANJI2.ROM", "kanji2.rom"]
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- name: n88jisho.rom
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path: "quasi88/n88jisho.rom"
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size: 524288
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required: false
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note: "Dictionary ROM (512 KB). Japanese dictionary lookup, very few titles use it."
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source_ref: "src/LIBRETRO/libretro.c:562"
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aliases: ["N88JISHO.ROM", "JISYO.ROM", "jisyo.rom"]
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# -- Font ROMs (not in .info, core has built-in fallback) --
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- name: font.rom
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path: "quasi88/font.rom"
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size: 4096
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required: false
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hle_fallback: true
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note: "ANK font ROM (4 KB). Falls back to built-in font or kanji ROM glyphs."
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source_ref: "src/LIBRETRO/libretro.c:566"
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aliases: ["FONT.ROM"]
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- name: font2.rom
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path: "quasi88/font2.rom"
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size: 4096
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required: false
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hle_fallback: true
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note: "Second font ROM (4 KB). Falls back to built-in ANH font."
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source_ref: "src/LIBRETRO/libretro.c:576"
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aliases: ["FONT2.ROM"]
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- name: font3.rom
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path: "quasi88/font3.rom"
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size: 4096
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required: false
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hle_fallback: true
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note: "Third font ROM (4 KB). Zeroed out if missing."
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source_ref: "src/LIBRETRO/libretro.c:588"
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aliases: ["FONT3.ROM"]
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