mirror of
https://github.com/Abdess/retroarch_system.git
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Abdessamad Derraz
37a5bd05ff
Ten notes and comments called .info entries phantom, misleading or incorrectly written. They now say what the .info declares and what the code reads, and a prose test refuses those verdicts in profiles.
97 lines
3.7 KiB
YAML
97 lines
3.7 KiB
YAML
emulator: "X Millennium"
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type: libretro
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core_classification: community_fork
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source: "https://github.com/libretro/xmil-libretro"
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upstream: "http://amethyst.yui.ne.jp/svn/x1/xmil/trunk/"
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profiled_date: "2026-03-25"
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source_commit: "3106aa54ffb244cca4019a6e95dacaa698781bc3"
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core_version: "0.60a"
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display_name: "Sharp X1 (X Millennium)"
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cores:
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- x1
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- xmil
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systems:
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- sharp-x1
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# X Millennium (XMIL) is a Sharp X1 series emulator by yui, ported to libretro
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# by r-type. Supports X1, X1 Turbo, and X1 TurboZ models via the "X1_ROMTYPE"
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# core option (X1 = ROM_TYPE 1, TURBO = 2, TURBOZ = 3).
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#
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# SUPPORT_TURBOZ is not compiled in the libretro build (compiler.h), so TurboZ
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# extended color modes are unavailable. ROM_TYPE 3 still selects IPLROM.X1T.
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#
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# All system files go under: <system_dir>/xmil/
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# retro_init() builds: retro_system_conf = "<system_dir>/xmil" (libretro.c:597)
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#
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# IPL ROM loading (memio.c:87-121):
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# biosmem is initialized with defaultiplrom (575-byte boot stub from defipl.res).
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# ROM_TYPE >= 1: loads external IPL ROM into biosmem, overwriting the stub.
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# ROM_TYPE 1 (X1): xmil/IPLROM.X1
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# ROM_TYPE >= 2 (Turbo/TurboZ): xmil/IPLROM.X1T
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# Path built explicitly: sprintf(rtmp, "%s%c%s", retro_system_conf, slash, iplfile)
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# If file missing, the 575-byte stub remains (limited boot capability).
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#
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# Font loading (fontx1.c:69-122, font.c:89-127):
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# font_load(NULL, TRUE) called from pccore_initialize() (pccore.c:67).
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# Built-in defaults (defrom_ank, defrom_txt from fontdata.c) provide basic ASCII.
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# x1fontread() tries to load external font files via fontopen().
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# Font path resolution uses file_getcd() which defaults to "./" in the libretro
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# port (file_setcd() is never called). Upstream win9x/sdl2 calls file_setcd()
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# to set the working dir. Fonts may not be found from xmil/ in practice.
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#
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# .info declares firmware_count=2 (IPL ROMs only). Font files are not declared.
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# .info firmware1_desc reads "8x8 Font ROM". The core loads IPLROM.X1T as the
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# Turbo IPL ROM.
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notes: |
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Place all files in: <system_dir>/xmil/
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The core selects between IPLROM.X1 and IPLROM.X1T based on the "X1_ROMTYPE"
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core option. A 575-byte built-in IPL stub provides limited boot without the
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real ROMs. Font files add Japanese character support. The libretro port has a
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path resolution quirk where fonts are searched in "./" instead of "xmil/"
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(missing file_setcd call).
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files:
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- name: IPLROM.X1
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path: xmil/IPLROM.X1
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size: 4096
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required: false
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hle_fallback: true
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description: "X1 IPL ROM. Loaded when ROM_TYPE=1 (X1 model)."
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note: "file_read copies up to 0x8000 bytes into biosmem, unchecked. The X1 IPL dump is 4 KiB."
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source_ref: "io/memio.c:82,96-108"
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- name: IPLROM.X1T
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path: xmil/IPLROM.X1T
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size: 32768
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required: false
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hle_fallback: true
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description: "X1 Turbo/TurboZ IPL ROM. Loaded when ROM_TYPE=2 or 3."
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source_ref: "io/memio.c:83,97-108"
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- name: FNT0808.X1
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path: xmil/FNT0808.X1
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size: 2048
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validation: [size]
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required: false
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hle_fallback: true
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description: "8x8 ANK font ROM. Built-in defrom_ank fallback provides basic ASCII."
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source_ref: "font/fontdata.c:6, font/fontx1.c:79-87"
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- name: FNT0816.X1
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path: xmil/FNT0816.X1
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size: 4096
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validation: [size]
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required: false
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hle_fallback: true
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description: "8x16 ANK font ROM. Built-in fallback derived from defrom_ank/defrom_txt."
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source_ref: "font/fontdata.c:7, font/fontx1.c:89-103"
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- name: FNT1616.X1
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path: xmil/FNT1616.X1
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size: 306176
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validation: [size]
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required: false
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description: "16x16 Kanji font ROM. No built-in kanji data (zeroed). Required for Japanese text."
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source_ref: "font/fontdata.c:8, font/fontx1.c:105-120"
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