Proper Atomiswave roms won’t work, however, most Atomiswave to Naomi GD-ROM conversions should at least work or boot. You will need roms that worked on nullDC Naomi. Rename this file to naomi_boot.bin and move it to your ‘system directory/dc directory. This is a file that is contained inside the MAME NAOMI bios zip. The BIOS with the best compatibility so far is epr-21576g.ic27. You will need a NAOMI BIOS file inside your system directory. Various licensees (such as Capcom, Arc Sys, and even Nintendo) licensed the hardware during its lifespan to produce arcade games with. Naomi became one of the longest lasting arcade systems to be used second only to the Neo Geo AES. While being nearly identical in terms of architecture, it did have double the RAM and fillrate of the home console version. Naomi was an arcade videogame system based on the Sega Dreamcast hardware. Atomiswave to GD-ROM conversion games can also work, some of them might have some issues though. SNES, GBA and etc.BeetleDC libretro now supports Sega Naomi arcade games! Both BeetleDC and BeetleDC OIT have been updated. Results look amazing, ala what the xBRZ filter does to emulators for 2D-graphics consoles, e.g. Only affects games which render the screen to a texture, e.g. Render to texture upscaling (Lets you set the upscaling factor to output whole screen at multiples of native resolution.EEPROM saving/loading implemented (NAOMI).Floating point maths accuracy improvements (Fixed broken enemy AI in Soldier of Fortune).Fast GD-ROM Loading (Cuts down virtually all loading times in games).Analog trigger and digital trigger simulations ( Analog controls also work on NAOMI).Extra Depth Scaling (Fixes graphics in Samurai Shodown VI (NAOMI).).Can also show all 4 attached VMU screens at once.) Display VMU screens in-game (Positioning, opacity levels and sizing available.lossless quality of background textures in Alone in the Dark: The New Nightmare and is equal to DEmul and redream.) Improved palette/YUV texture quality (Converts to 32-bit colors instead of RGB565 i.e.64-bit dynarec (Fixes Shenmue 1/2, Marvel vs.May help with correct output at higher resolutions.) Can be set to 512MB, 1GB or 2GB, depending on how much VRAM your video card has. Accumulation Pixel Buffer Size core option ( OIT only.Order independent transparency ( OIT only).Multipass rendering (enabled by default for non-OIT).Mobile devices ( Android OS and ARM hardware.In 2019 the core was first renamed to Beetle DC and a short while later Flycast, for licensing reasons. The two reicast cores have been merged in one reicast libretro core in October 2018. The OIT core supports a graphics feature of the Dreamcast called Order-Independent Transparency that can only be properly emulated using OpenGL 4.3 and later, so it's only available for Windows and Linux at the moment. The regular core is compliant with OpenGL 3 and GLSL 1.30 in order to support mobile devices and mid-tier PCs. These cores backport changes from flyinghead's fork that rework the rendering system. Two reicast cores on libretro called reicast OIT and reicast regular were introduced in June 2018 that replace the original core. You may open DEmul's gpuDX11.dll using some PE resource editor, find there the PVR2_VSH (vertex shader file) which is mostly consisted of ELAN simulation." Libretro core In Naomi2, display lists is input to ELAN as matherials, light sources, models, transformation matrices, etc so, not like Dreamcast Tile Accelerator format. Naomi2 will require ELAN T&L chip emulation. "WinCE requires SH4 MMU emulation, which is unlikely to happen in reicast as it will require a major rewrite of JIT/recompiler plus few more hardware features, unused in DC/Naomi games - Maple at Vblank activation mode, Sort-DMA and maybe something else I forgot. Regarding games with WinCE operating system functions and arcade games on the NAOMI 2 machine (One of the latter variants of original NAOMI), someone commented in a compatibility list page at reicast's GitHub repository in early October, 2018 (With edits): The developers have stated that they want to port the emulator to the following platforms in addition to what it already supports:
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