Sega NAOMI

Sega

Arcade - Released: 1998

List of Sega arcade system boardsWikipedia

Information

Emulators	Libretro: flycast flycast demul
File folder	📂 roms \ 📂 naomi
File extension	.bin .dat .lst .zip .7z

System Features

Retroachievements	Netplay	Controller autoconfig
lr-flycast: YES Flycast: YES Demul: NO	NO	lr-flycast: YES Flycast: YES Demul: YES

Bios Information

bios file	Folder	md5
naomi.zip	\bios\dc	eb4099aeb42ef089cfe94f8fe95e51f6

For Flycast standalone, BIOS file must be placed in emulators\flycast\data folder.

Controls

In construction : default RetroArch mapping.

Specific system information

CHD files

Some NAOMI boards use just ZIP ROMs to run, but most others use a CHD files in addition to the .zip file.

CHD files must be placed in your rom folder, along the zip file, in a folder named exactly as the .zip file.

roms\
└─ naomi\
   ├─ ikaruga\
   │  └─ gdl-0010.chd
   └─ ikaruga.zip

Service Menu

Some games have a per-game menu for accessing the machine's advanced configuration such as its dip switches, service mode and diagnostic input.

To access the service menu for NAOMI games, you need first to enable the Service Mode from the RetroBat advanced menu (set it to YES):

Once done, you will be able access the per-game Service Menu by pressing L3 + R3 buttons on the controller.