Libretro Flycast est un émulateur Sega Dreamcast multiplate-formes capable d’émuler la Dreamcast.

Licence

Ce core est sous licence GPLv2.

Compatibilité

PC x86_64	Steam Deck
✅

Fonctionnalités

Fonctionnalité	Supporté
Redémarrage	✔
Captures d’écran	✔
Sauvegardes	✔
Options du core	✔
Cheats RetroArch	✔
Controls	✔
Remapping	✔
Vibration	✔
Contrôle du disque	✔

BIOS

Liste des bios obligatoires

Nom de fichier	Description	MD5	Fourni
dc_boot.bin	BIOS Dreamcast	e10c53c2f8b90bab96ead2d368858623 d552d8b577faa079e580659cd3517f86 d407fcf70b56acb84b8c77c93b0e5327	❌
dc_flash.bin	Date / Heure / Langue	d6e11a23f1fa01cddb5dfccf7e4cc8d7 93a9766f14159b403178ac77417c6b68 0a93f7940c455905bea6e392dfde92a4 23df18aa53c8b30784cd9a84e061d008 69c036adfca4ebea0b0c6fa4acfc8538 74e3f69c2bb92bc1fc5d9a53dcf6ffe2 2f818338f47701c606ade664a3e16a8a	❌

---

Emplacement

Placez les bios comme ceci :

┣ 📁 recalbox
┃ ┣ 📁 share
┃ ┃ ┣ 📁 bios
┃ ┃ ┃ ┣ 📁 dc
┃ ┃ ┃ ┃ ┣ 🗒 dc_boot.bin
┃ ┃ ┃ ┃ ┣ 🗒 dc_flash.bin

Isos

Extensions supportées

Les isos doivent avoir les extensions suivantes :

• .bin/.cue
• .bin/.gdi
• .cdi
• .chd
• .elf
• .iso
• .m3u

---

Emplacement

Placez les isos comme ceci :

┣ 📁 recalbox
┃ ┣ 📁 share
┃ ┃ ┣ 📁 roms
┃ ┃ ┃ ┣ 📁 dreamcast
┃ ┃ ┃ ┃ ┣ 🗒 jeu.gdi
┃ ┃ ┃ ┃ ┣ 🗒 jeu.bin

Les isos au format TOSEC sont vivement conseillés.

Configuration avancée de l’émulateur

Accéder aux options

Vous pouvez configurer diverses options de deux façons différentes.

• Via le menu RetroArch :

┣ 📁 Menu RetroArch
┃ ┣ 📁 Options du core
┃ ┃ ┣ 🧩 Name_option

• Via le fichier retroarch-core-options.cfg:

┣ 📁 recalbox
┃ ┣ 📁 share
┃ ┃ ┣ 📁 system
┃ ┃ ┃ ┣ 📁 configs
┃ ┃ ┃ ┃ ┣ 📁 retroarch
┃ ┃ ┃ ┃ ┃ ┣ 📁 cores
┃ ┃ ┃ ┃ ┃ ┃ ┣ 🧩 retroarch-core-options.cfg

---

Options du core

Options	Valeur des options	Variable (pour surcharge)	Valeurs des variables
Boot to BIOS (Restart)	Disabled ✅ / Enabled	reicast_boot_to_bios	disabled / enabled
System Type (Restart)	Auto ✅ / Dreamcast / NAOMI / Atomiswave	reicast_system	auto / dreamcast / naomi / atomiswave
HLE BIOS	Disabled ✅ / Enabled	reicast_hle_bios	disabled / enabled
Internal resolution (restart)	320x240 / 640x480 ✅ / 800x600 / 960x720 / 1024x768 / 1280x960 / 1440x1080 / 1600x1200 / 1920x1440 / 2560x1920 / 2880x2160 / 3200x2400 / 3840x2880 / 4480x3360 / 5120x3840 / 5760x4320 / ``6400x4800 / 7040x5280 / 7680x5760 / 8320x6240 / 8960x6720 / 9600x7200 / 10240x7680 / 10880x8160 / 11520x8640 / 12160x9120 / 12800x9600	reicast_internal_resolution	320x240 / 640x480 / 800x600 / 960x720 / 1024x768 / 1280x960 / 1440x1080 / 1600x1200 / 1920x1440 / 2560x1920 / 2880x2160 / 3200x2400 / 3840x2880 / 4480x3360 / 5120x3840 / 5760x4320 / 6400x4800 / 7040x5280 / 7680x5760 / 8320x6240 / 8960x6720 / 9600x7200 / 10240x7680 / 10880x8160 / 11520x8640 / 12160x9120 / 12800x9600
Screen Orientation	Horizontal ✅ / Vertical	reicast_screen_rotation	horizontal / vertical
Alpha Sorting	Per-Strip (fast, least accurate) / Per-Triangle (normal) ✅	reicast_alpha_sorting	per-strip (fast, least accurate) / per-triangle (normal)
GDROM Fast Loading (inaccurate)	Disabled ✅ / Enabled	reicast_gdrom_fast_loading	disabled / enabled
Mipmapping	Enabled ✅ / Disabled	reicast_mipmapping	enabled / disabled
Fog Effects	Enabled ✅ / Disabled	reicast_fog	enabled / disabled
Volume Modifier	Enabled ✅ / Disabled	reicast_volume_modifier_enable	enabled / disabled
Widescreen Hack (Restart)	Disabled ✅ / Enabled	reicast_widescreen_hack	disabled / enabled
Widescreen Cheats (Restart)	Disabled ✅ / Enabled	reicast_widescreen_cheats	disabled / enabled
Cable Type	TV (RGB) / TV (Composite) ✅ / VGA (RGB)	reicast_cable_type	TV (RGB) / TV (Composite) / VGA (RGB)
Broadcast	Default ✅ / PAL-M (Brazil) / PAL-N (Argentina, Paraguay, Uruguay) / NTSC / PAL (World)	reicast_broadcast	Default / PAL_M / PAL_N / NTSC / PAL
Region	Default ✅ / Japan / USA / Europe	reicast_region	Default / Japan / USA / Europe
Language	Default ✅ / Japanese / English / German / French / Spanish / Italian	reicast_language	Default / Japanese / English / German / French / Spanish / Italian
DIV Matching	Disabled / Auto ✅	reicast_div_matching	disabled / auto
Force Windows CE Mode	Disabled ✅ / Enabled	reicast_force_wince	disabled / enabled
Analog Stick Deadzone	0% / 5% / 10% / 15% ✅ / 20% / 25% / 30%	reicast_analog_stick_deadzone	0% / 5% / 10% / 15% / 20% / 25% / 30%
Trigger Deadzone	0% ✅ / 5% / 10% / 15% / 20% / 25% / 30%	reicast_trigger_deadzone	0% / 5% / 10% / 15% / 20% / 25% / 30%
Digital Triggers	Disabled ✅ / Enabled	reicast_digital_triggers	disabled / enabled
Enable DSP	Disabled / Enabled ✅	reicast_enable_dsp	disabled / enabled
Anisotropic Filtering	Off / 2 / 4 ✅ / 8 / 16	reicast_anisotropic_filtering	disabled / 2 / 4 / 8 / 16
PowerVR2 Post-processing Filter	Disabled ✅ / Enabled	reicast_pvr2_filtering	disabled / enabled
Texture Upscaling (xBRZ)	Off ✅ / 2 / 4 / 6	reicast_texupscale	disabled / 2 / 4 / 6
Enable RTT (Render To Texture) Buffer	Disabled ✅ / Enabled	reicast_enable_rttb	disabled / enabled
Render To Texture Upscaling	1x ✅ / 2x / 3x / 4x / 8x	reicast_render_to_texture_upscaling	1x / 2x / 3x / 4x / 8x
Threaded Rendering (Restart)	Disabled / Enabled ✅	reicast_threaded_rendering	disabled / enabled
Synchronous Rendering	Disabled / Enabled ✅	reicast_synchronous_rendering	disabled / enabled
Delay Frame Swapping	Disabled ✅ / Enabled	reicast_delay_frame_swapping	disabled / enabled
Frame Skipping	Disabled ✅ / 1 / 2 / 3 / 4 / 5 / 6	reicast_frame_skipping	off / 1 / 2 / 3 / 4 / 5 / 6
Purupuru Pack/Vibration Pack	Disabled / Enabled ✅	reicast_enable_purupuru	disabled / enabled
Load Custom Textures	Disabled ✅ / Enabled	reicast_custom_textures	disabled / enabled
Dump Textures	Disabled ✅ / Enabled	reicast_dump_textures	disabled / enabled
Per-Game VMUs	Disabled ✅ / VMU A1 / All VMUs	reicast_per_content_vmus	Disabled / VMU A1 / All VMUs
Show VMU Display Settings	Enabled / Disabled ✅	reicast_show_vmu_screen_settings	enabled / disabled
VMU Screen 1 Display	Disabled ✅ / Enabled	reicast_vmu1_screen_display	disabled / enabled
VMU Screen 1 Position	Upper Left ✅ / Upper Right / Lower Left / Lower Right	reicast_vmu1_screen_position	Upper Left / Upper Right / Lower Left / Lower Right
VMU Screen 1 Size	1x ✅ / 2x / 3x / 4x / 5x	reicast_vmu1_screen_size_mult	1x / 2x / 3x / 4x / 5x
VMU Screen 1 Pixel On Color	Default ON ✅ / Default OFF / Black / Blue / Light Blue / Green / Cyan / Cyan Blue / Light Green / Cyan Green / Light Cyan / Red / Purple / Light Purple / Yellow / Gray / Light Purple (2) / Light Green (2) / Light Green (3) / Light Cyan (2) / Light Red (2) / Magenta / Light Purple (2) / Light Orange / Orange / Light Purple (3) / Light Yellow / Light Yellow (2) / White	reicast_vmu1_pixel_on_color	DEFAULT ON 00 / DEFAULT OFF 01 / BLACK 02 / BLUE 03 / LIGHT_BLUE 04 / GREEN 05 / CYAN 06 / CYAN_BLUE 07 / LIGHT_GREEN 08 / CYAN_GREEN 09 / LIGHT_CYAN 10 / RED 11 / PURPLE 12 / LIGHT_PURPLE 13 / YELLOW 14 / GRAY 15 / LIGHT_PURPLE_2 16 / LIGHT_GREEN_2 17 / LIGHT_GREEN_3 18 / LIGHT_CYAN_2 19 / LIGHT_RED_2 20 / MAGENTA 21 / LIGHT_PURPLE_2 22 / LIGHT_ORANGE 23 / ORANGE 24 / LIGHT_PURPLE_3 25 / LIGHT_YELLOW 26 / LIGHT_YELLOW_2 27 / WHITE 28
VMU Screen 1 Pixel Off Color	Default ON / Default OFF ✅ / Black / Blue / Light Blue / Green / Cyan / Cyan Blue / Light Green / Cyan Green / Light Cyan / Red / Purple / Light Purple / Yellow / Gray / Light Purple (2) / Light Green (2) / Light Green (3) / Light Cyan (2) / Light Red (2) / Magenta / Light Purple (2) / Light Orange / Orange / Light Purple (3) / Light Yellow / Light Yellow (2) / White	reicast_vmu1_pixel_off_color	DEFAULT ON 00 / DEFAULT OFF 01 / BLACK 02 / BLUE 03 / LIGHT_BLUE 04 / GREEN 05 / CYAN 06 / CYAN_BLUE 07 / LIGHT_GREEN 08 / CYAN_GREEN 09 / LIGHT_CYAN 10 / RED 11 / PURPLE 12 / LIGHT_PURPLE 13 / YELLOW 14 / GRAY 15 / LIGHT_PURPLE_2 16 / LIGHT_GREEN_2 17 / LIGHT_GREEN_3 18 / LIGHT_CYAN_2 19 / LIGHT_RED_2 20 / MAGENTA 21 / LIGHT_PURPLE_2 22 / LIGHT_ORANGE 23 / ORANGE 24 / LIGHT_PURPLE_3 25 / LIGHT_YELLOW 26 / LIGHT_YELLOW_2 27 / WHITE 28
VMU Screen 1 Opacity	10% / 20% / 30% / 40% / 50% / 60% / 70% / 80% / 90% / 100% ✅	reicast_vmu1_screen_opacity	10% / 20% / 30% / 40% / 50% / 60% / 70% / 80% / 90% / 100%
VMU Screen 2 Display	Disabled ✅ / Enabled	reicast_vmu2_screen_display	disabled / enabled
VMU Screen 2 Position	Upper Left ✅ / Upper Right / Lower Left / Lower Right	reicast_vmu2_screen_position	Upper Left / Upper Right / Lower Left / Lower Right
VMU Screen 2 Size	1x ✅ / 2x / 3x / 4x / 5x	reicast_vmu2_screen_size_mult	1x / 2x / 3x / 4x / 5x
VMU Screen 2 Pixel On Color	Default ON ✅ / Default OFF / Black / Blue / Light Blue / Green / Cyan / Cyan Blue / Light Green / Cyan Green / Light Cyan / Red / Purple / Light Purple / Yellow / Gray / Light Purple (2) / Light Green (2) / Light Green (3) / Light Cyan (2) / Light Red (2) / Magenta / Light Purple (2) / Light Orange / Orange / Light Purple (3) / Light Yellow / Light Yellow (2) / White	reicast_vmu2_pixel_on_color	DEFAULT ON 00 / DEFAULT OFF 01 / BLACK 02 / BLUE 03 / LIGHT_BLUE 04 / GREEN 05 / CYAN 06 / CYAN_BLUE 07 / LIGHT_GREEN 08 / CYAN_GREEN 09 / LIGHT_CYAN 10 / RED 11 / PURPLE 12 / LIGHT_PURPLE 13 / YELLOW 14 / GRAY 15 / LIGHT_PURPLE_2 16 / LIGHT_GREEN_2 17 / LIGHT_GREEN_3 18 / LIGHT_CYAN_2 19 / LIGHT_RED_2 20 / MAGENTA 21 / LIGHT_PURPLE_2 22 / LIGHT_ORANGE 23 / ORANGE 24 / LIGHT_PURPLE_3 25 / LIGHT_YELLOW 26 / LIGHT_YELLOW_2 27 / WHITE 28
VMU Screen 2 Pixel Off Color	Default ON / Default OFF ✅ / Black / Blue / Light Blue / Green / Cyan / Cyan Blue / Light Green / Cyan Green / Light Cyan / Red / Purple / Light Purple / Yellow / Gray / Light Purple (2) / Light Green (2) / Light Green (3) / Light Cyan (2) / Light Red (2) / Magenta / Light Purple (2) / Light Orange / Orange / Light Purple (3) / Light Yellow / Light Yellow (2) / White	reicast_vmu2_pixel_off_color	DEFAULT ON 00 / DEFAULT OFF 01 / BLACK 02 / BLUE 03 / LIGHT_BLUE 04 / GREEN 05 / CYAN 06 / CYAN_BLUE 07 / LIGHT_GREEN 08 / CYAN_GREEN 09 / LIGHT_CYAN 10 / RED 11 / PURPLE 12 / LIGHT_PURPLE 13 / YELLOW 14 / GRAY 15 / LIGHT_PURPLE_2 16 / LIGHT_GREEN_2 17 / LIGHT_GREEN_3 18 / LIGHT_CYAN_2 19 / LIGHT_RED_2 20 / MAGENTA 21 / LIGHT_PURPLE_2 22 / LIGHT_ORANGE 23 / ORANGE 24 / LIGHT_PURPLE_3 25 / LIGHT_YELLOW 26 / LIGHT_YELLOW_2 27 / WHITE 28
VMU Screen 2 Opacity	10% / 20% / 30% / 40% / 50% / 60% / 70% / 80% / 90% / 100% ✅	reicast_vmu2_screen_opacity	10% / 20% / 30% / 40% / 50% / 60% / 70% / 80% / 90% / 100%
VMU Screen 3 Display	Disabled ✅ / Enabled	reicast_vmu3_screen_display	disabled / enabled
VMU Screen 3 Position	Upper Left ✅ / Upper Right / Lower Left / Lower Right	reicast_vmu3_screen_position	Upper Left / Upper Right / Lower Left / Lower Right
VMU Screen 3 Size	1x ✅ / 2x / 3x / 4x / 5x	reicast_vmu3_screen_size_mult	1x / 2x / 3x / 4x / 5x
VMU Screen 3 Pixel On Color	Default ON ✅ / Default OFF / Black / Blue / Light Blue / Green / Cyan / Cyan Blue / Light Green / Cyan Green / Light Cyan / Red / Purple / Light Purple / Yellow / Gray / Light Purple (2) / Light Green (2) / Light Green (3) / Light Cyan (2) / Light Red (2) / Magenta / Light Purple (2) / Light Orange / Orange / Light Purple (3) / Light Yellow / Light Yellow (2) / White	reicast_vmu3_pixel_on_color	DEFAULT ON 00 / DEFAULT OFF 01 / BLACK 02 / BLUE 03 / LIGHT_BLUE 04 / GREEN 05 / CYAN 06 / CYAN_BLUE 07 / LIGHT_GREEN 08 / CYAN_GREEN 09 / LIGHT_CYAN 10 / RED 11 / PURPLE 12 / LIGHT_PURPLE 13 / YELLOW 14 / GRAY 15 / LIGHT_PURPLE_2 16 / LIGHT_GREEN_2 17 / LIGHT_GREEN_3 18 / LIGHT_CYAN_2 19 / LIGHT_RED_2 20 / MAGENTA 21 / LIGHT_PURPLE_2 22 / LIGHT_ORANGE 23 / ORANGE 24 / LIGHT_PURPLE_3 25 / LIGHT_YELLOW 26 / LIGHT_YELLOW_2 27 / WHITE 28
VMU Screen 3 Pixel Off Color	Default ON / Default OFF ✅ / Black / Blue / Light Blue / Green / Cyan / Cyan Blue / Light Green / Cyan Green / Light Cyan / Red / Purple / Light Purple / Yellow / Gray / Light Purple (2) / Light Green (2) / Light Green (3) / Light Cyan (2) / Light Red (2) / Magenta / Light Purple (2) / Light Orange / Orange / Light Purple (3) / Light Yellow / Light Yellow (2) / White	reicast_vmu3_pixel_off_color	DEFAULT ON 00 / DEFAULT OFF 01 / BLACK 02 / BLUE 03 / LIGHT_BLUE 04 / GREEN 05 / CYAN 06 / CYAN_BLUE 07 / LIGHT_GREEN 08 / CYAN_GREEN 09 / LIGHT_CYAN 10 / RED 11 / PURPLE 12 / LIGHT_PURPLE 13 / YELLOW 14 / GRAY 15 / LIGHT_PURPLE_2 16 / LIGHT_GREEN_2 17 / LIGHT_GREEN_3 18 / LIGHT_CYAN_2 19 / LIGHT_RED_2 20 / MAGENTA 21 / LIGHT_PURPLE_2 22 / LIGHT_ORANGE 23 / ORANGE 24 / LIGHT_PURPLE_3 25 / LIGHT_YELLOW 26 / LIGHT_YELLOW_2 27 / WHITE 28
VMU Screen 3 Opacity	10% / 20% / 30% / 40% / 50% / 60% / 70% / 80% / 90% / 100% ✅	reicast_vmu3_screen_opacity	10% / 20% / 30% / 40% / 50% / 60% / 70% / 80% / 90% / 100%
VMU Screen 4 Display	Disabled ✅ / Enabled	reicast_vmu4_screen_display	disabled / enabled
VMU Screen 4 Position	Upper Left ✅ / Upper Right / Lower Left / Lower Right	reicast_vmu_screen_position	Upper Left / Upper Right / Lower Left / Lower Right
VMU Screen 4 Size	1x ✅ / 2x / 3x / 4x / 5x	reicast_vmu4_screen_size_mult	1x / 2x / 3x / 4x / 5x
VMU Screen 4 Pixel On Color	Default ON ✅ / Default OFF / Black / Blue / Light Blue / Green / Cyan / Cyan Blue / Light Green / Cyan Green / Light Cyan / Red / Purple / Light Purple / Yellow / Gray / Light Purple (2) / Light Green (2) / Light Green (3) / Light Cyan (2) / Light Red (2) / Magenta / Light Purple (2) / Light Orange / Orange / Light Purple (3) / Light Yellow / Light Yellow (2) / White	reicast_vmu4_pixel_on_color	DEFAULT ON 00 / DEFAULT OFF 01 / BLACK 02 / BLUE 03 / LIGHT_BLUE 04 / GREEN 05 / CYAN 06 / CYAN_BLUE 07 / LIGHT_GREEN 08 / CYAN_GREEN 09 / LIGHT_CYAN 10 / RED 11 / PURPLE 12 / LIGHT_PURPLE 13 / YELLOW 14 / GRAY 15 / LIGHT_PURPLE_2 16 / LIGHT_GREEN_2 17 / LIGHT_GREEN_3 18 / LIGHT_CYAN_2 19 / LIGHT_RED_2 20 / MAGENTA 21 / LIGHT_PURPLE_2 22 / LIGHT_ORANGE 23 / ORANGE 24 / LIGHT_PURPLE_3 25 / LIGHT_YELLOW 26 / LIGHT_YELLOW_2 27 / WHITE 28
VMU Screen 4 Pixel Off Color	Default ON / Default OFF ✅ / Black / Blue / Light Blue / Green / Cyan / Cyan Blue / Light Green / Cyan Green / Light Cyan / Red / Purple / Light Purple / Yellow / Gray / Light Purple (2) / Light Green (2) / Light Green (3) / Light Cyan (2) / Light Red (2) / Magenta / Light Purple (2) / Light Orange / Orange / Light Purple (3) / Light Yellow / Light Yellow (2) / White	reicast_vmu4_pixel_off_color	DEFAULT ON 00 / DEFAULT OFF 01 / BLACK 02 / BLUE 03 / LIGHT_BLUE 04 / GREEN 05 / CYAN 06 / CYAN_BLUE 07 / LIGHT_GREEN 08 / CYAN_GREEN 09 / LIGHT_CYAN 10 / RED 11 / PURPLE 12 / LIGHT_PURPLE 13 / YELLOW 14 / GRAY 15 / LIGHT_PURPLE_2 16 / LIGHT_GREEN_2 17 / LIGHT_GREEN_3 18 / LIGHT_CYAN_2 19 / LIGHT_RED_2 20 / MAGENTA 21 / LIGHT_PURPLE_2 22 / LIGHT_ORANGE 23 / ORANGE 24 / LIGHT_PURPLE_3 25 / LIGHT_YELLOW 26 / LIGHT_YELLOW_2 27 / WHITE 28
VMU Screen 4 Opacity	10% / 20% / 30% / 40% / 50% / 60% / 70% / 80% / 90% / 100% ✅	reicast_vmu4_screen_opacity	10% / 20% / 30% / 40% / 50% / 60% / 70% / 80% / 90% / 100%
Show Light Gun Settings	Enabled / Disabled ✅	reicast_show_lightgun_settings	enabled / disabled
Gun Crosshair 1 Display	Disabled ✅ / White / Red / Green / Blue	reicast_lightgun1_crosshair	disabled / White / Red / Green / Blue
Gun Crosshair 2 Display	Disabled ✅ / White / Red / Green / Blue	reicast_lightgun2_crosshair	disabled / White / Red / Green / Blue
Gun Crosshair 3 Display	Disabled ✅ / White / Red / Green / Blue	reicast_lightgun3_crosshair	disabled / White / Red / Green / Blue
Gun Crosshair 4 Display	Disabled ✅ / White / Red / Green / Blue	reicast_lightgun4_crosshair	disabled / White / Red / Green / Blue

Liens externes

• Code source utilisé : https://github.com/libretro/flycast/
• Documentation Libretro : https://docs.libretro.com/library/flycast/
• Code source officiel : https://github.com/flyinghead/flycast