PS Vita / Ps TV [Update(3) - New Plans (flycast)] ReDream (DreamCast Emulator) porting to VITA from Rinnegatamante

Update (3) See latest progress of this port in development for the PS Vita and PlayStation TV

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.UPDATE(1): Change in port plans, view new details listed bellow in marked update

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.Developer Rinnegatamante whom we recently interviewed in the Power Supply Series and who has ported a Nintendo 64 emulator to the PS Vita / PS TV recently with the release of Deadalus x64. Has another emulation project that many will be excited for as this shapes up, especially after seeing the great progress of d x64's n64 emulation so far to this point. Now ReDream (A Sega Dreamcast Emulator) is being ported to the PS Vita as a libretro core running on RetroArch (Vita), so far its early progress, However, it looks like potential could be untapped from a developer who has some experience with the platform and emulation porting.. So far its rendering of graphics are in the early stages, so stay tuned for more progress reports from the developer..

Until then tell us in the comments below what is your favorite Dreamcast Game or memories from SEGA last hardware adventure.

Recent Development

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  • May 31: That's the RetroDream core running on a Ryzen 5 2600x with x86 DynaRec that's currently getting ported to Vita. As can be seen, CPU usage stands around the 3-4% over such a CPU and the RAM usage is under 200 MB. Fairly sure we can get this to work decently on Vita/New3DS.
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    • As a comparison, FlyCast core requires twice the performance sticking around a 6-7% CPU usage. RetroDream target is fast DreamCast emulation sacrificying in accuracy. Kinda like what Daedalus X64 achieves for N64 emulation.
  • June 2: Started rendering something.
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  • June 3: Properly honoring RetroArch viewport.
  Dreamcast (emu) on Vita UPDATE:
  
  • June 23 - Change of plans for what concerning DC emulation on Vita. Since ReDream opensourced code is extremely buggy on ARM devices and since we didn't manage to solve those, I'll take a look at porting FlyCast instead. This last one already has full ARM support so we shouldn't get suck.
  Update (2): A look at the porting of Flycast
  
  • July 4: Starting debug phase.
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  • July 5: It's alive: https://pastebin.com/jmL8Ddji
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  • July 6: Games can now successfully boot on flycast core (we had to turn off temporarily multithreading and arm7 dynarec which means only sh4 dynarec is in place thus causing perf being not so great). Renderer however is completely garbled but audio from games can be heard fine.
  Update (3) - A check-in on latest progress
  
  • July 8 -
  • July 8 - [
  • Jul 8 - This is also the first piece of Vita homebrew ever made using runtime shader compiler ( https://github.com/Rinnegatamante/vitaShaRK)
  • Jul 8 https://twitch.tv/rinnegatamante Showcasing some Flycast on Vita
  • Jul 8 - The Twitch Live related to Flycast port can be re-watched here
    
  • Jul 8 A modification suggested by flyinghead had been integrated in sh4 dynarec modified code detection that heavily improves performances on Vita build. (Eg. RE: CV main menu's fullspeed and Crazy Taxi now almost neve drops under 22 fps).
  • Jul 9 New build with fixed viewport + arm7 dynarec implemented + sh4 dynarec code modification check disabled
  • Jul 9 Some tests with a "dirt" downclock of the sh4 CPU.
    This mitigates audio stuttering and makes some games run sensibly faster (eg: RE: CV) but some others run quite slower since they used original DC hw at its finest (eg. Dead or Alive 2).

Checkout @Rinnegatamante 's Twitter for latest info and progress :
https://twitter.com/Rinnegatamante​

 

I have vivid memories of this console. I went splurging at gamestop for the system and games. I must've spent $400. this was like a week before I joined the military, so I gamed as much as possible. funny thing is that the system had a price drop like a week or two later, so I felt ripped off.

 

If you manage to do this, a lot of fans will be very very grateful to you for your work. It is still my dream that someday my PS3 Super Slim will be able to launch the Dreamcast games.

 

Hola soy nuevo pero un amante mas de la psvita queria saber si aparte de este proyecto tienes pensado hacer otros mas en verdad se te agradece mucho el esfuerzo que has puesto y de parte mía muchas gracias por este maravilloso aporte espero que puedas lograr tu objetivo

 

Hola soy nuevo pero un amante mas de la psvita queria saber si aparte de este proyecto tienes pensado hacer otros mas en verdad se te agradece mucho el esfuerzo que has puesto y de parte mía muchas gracias por este maravilloso aporte espero que puedas lograr tu objetivo

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Update: New plans see main post

 

Good things progressing for PS Vita and PlayStation TV (Vita TV) user's

Latest Progress added to first progress of the port.
@Rinnegatamante is making good progress on the port. Still has some work to do but as you see progress is being made .

Thanks @Rinnegatamante