The reason why fba-libretro is known as slower than pifba is because fba-libretro uses musashi (a m68k lle emulator) and pifba uses cyclone (a m68k hle emulator) for m68k-based games (most of the games of fba). lle means low level emulation and focus on accuracy, hle means high level emulation and focus on performance. Both should perform the same on other games (including cps3 which use SH-2). Rpi2 is powerfull enough to emulate m68k games through musashi. I’ve been trying to implement cyclone as an alternate cpu emulator on libretro-fba, but without success at the moment.
Neogeo uses same processors as cps1/2 (m68k for video, z80 for audio), those 3 systems only use different clocking :
CPS1 : 10Mhz (12Mhz on most recent hardware)
Neogeo : 12Mhz
CPS2 : 16Mhz
If you can emulate cps games on libretro-fba, i don’t see any reason why you could not emulate neogeo games on same libretro-fba. I had no issue with speed with any neogeo game on rpi1 with fba-libretro.
I could use a hand with fba-libretro. I am on the recent image, Pi2, with full CPS-1, 2, 3 and neogeo romsets. Everything, and every rom work fine except for cps-3. Not a single CPS-3 rom will load. I download a few different copies of the full set of CPS-3 and every one gives me the same error that it can’t load. Do people really have SFIII3 etc. working on their build? I can’t figure out what I’m missing.
SFIII wasn’t working for me in Retropie but it’s working in the libretro core of the latest Recalbox. Not sure why that is but I am happy.
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Recalbox uses the new fba libretro repositery, which is up to date with fba stand-alone and works very well on rpi2 (i’m the maintainer and a rpi2 user). Retropie should think about switching to the new repo.
I can confirm that SF III 2nd impact and 3rd strike work at full speed on retropie with FBA libretro core on my overclocked Pi2, maybe you have bad roms (it has to be a NO CD rom)
SF III new generation doesn’t run well though, but I don’t really care 😉
No widescreen issues either, since it’s a retroarch core you can force 4:3 ratio.
I have also tried other Capcom CPS 3 games (all coming from the same v0.2.97.31 romset), no problems with both Jojo’s bizarre adventure games, but War-zard refuses to launch…