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The '''[[wikipedia:Sega Dreamcast|Dreamcast]]''' is a sixth-generation console released by [[wikipedia:Sega|Sega]] on November 27, 1998 in Japan and later on September 9, 1999 in NA. It retailed for {{Inflation|USD|199.99|1999}}. It had a Hitachi SH-4 RISC CPU at 200 MHz with 16 MB of RAM and 8 MB of VRAM. It had a PowerVR2 GPU at 100 MHz, which theoretically was capable of pushing 3 million polygons/second on-screen. There is a 2 MB audio RAM, which complemented a powerful 67 MHz Yamaha AICA sound processor, with a 32-bit ARM7 RISC CPU core. The audio chip could generate 64 voices with PCM or ADPCM codec and provided ten times the performance of the [[Sega Saturn emulators|Saturn's]] sound system.. Sega also released the '''[[Sega NAOMI and variants|Naomi]]''', an arcade system board with similar components to the Dreamcast. Sammy's '''[https://segaretro.org/Atomiswave Atomiswave]''' arcade board was also based on the Dreamcast and Naomi.
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The '''[[wikipedia:Sega Dreamcast|Dreamcast]]''' is a sixth-generation console released by [[wikipedia:Sega|Sega]] on November 27, 1998 in Japan and later on September 9, 1999 in NA. It retailed for $199 ($298.72 in 2018 money). It had a Hitachi SH-4 RISC CPU at 200 MHz with 16 MB of RAM and 8 MB of VRAM. It had a PowerVR2 GPU at 100 MHz, which theoretically was capable of pushing 3 million polygons/second on-screen. There is a 2 MB audio RAM, which complemented a powerful 67 MHz Yamaha AICA sound processor, with a 32-bit ARM7 RISC CPU core. The audio chip could generate 64 voices with PCM or ADPCM codec and provided ten times the performance of the [[Sega Saturn emulators|Saturn's]] sound system.. Sega also released the '''[[Sega NAOMI and variants|Naomi]]''', an arcade system board with similar components to the Dreamcast. Sammy's '''[https://segaretro.org/Atomiswave Atomiswave]''' arcade board was also based on the Dreamcast and Naomi.
  
 
Sega collaborated with Microsoft on the Dreamcast's development, and this partnership would continue later with the [[Xbox emulators|Xbox]]. What came out of this was the possibility for games to be developed for an optimized version of '''Windows CE''' (with DirectX) on each disc. However, Windows CE wasn't mandatory to use and most developers opted for Sega's development tools instead out of convenience. Even in major emulators, this aspect isn't implemented (or implemented well).
 
Sega collaborated with Microsoft on the Dreamcast's development, and this partnership would continue later with the [[Xbox emulators|Xbox]]. What came out of this was the possibility for games to be developed for an optimized version of '''Windows CE''' (with DirectX) on each disc. However, Windows CE wasn't mandatory to use and most developers opted for Sega's development tools instead out of convenience. Even in major emulators, this aspect isn't implemented (or implemented well).
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! scope="col"|Operating System(s)
 
! scope="col"|Operating System(s)
 
! scope="col"|Latest Version
 
! scope="col"|Latest Version
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! scope="col"|Open-Source
 
! scope="col"|Naomi
 
! scope="col"|Naomi
 
! scope="col"|Atomiswave
 
! scope="col"|Atomiswave
 
! scope="col"|Windows CE
 
! scope="col"|Windows CE
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! scope="col"|[[libretro|Libretro Core]]
 
! scope="col"|Active
 
! scope="col"|Active
 
! scope="col"|[[Recommended Emulators|Recommended]]
 
! scope="col"|[[Recommended Emulators|Recommended]]
 
|-
 
|-
!colspan="10"|PC
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!colspan="9"|PC
 
|-
 
|-
 
|[[DEmul]]
 
|[[DEmul]]
 
|Windows
 
|Windows
 
|[http://forum.emu-russia.net/viewtopic.php?p=26178&sid=9d186ca9c444883bceeed6f185ed3fa9#p26178 0.7 Build 180428]
 
|[http://forum.emu-russia.net/viewtopic.php?p=26178&sid=9d186ca9c444883bceeed6f185ed3fa9#p26178 0.7 Build 180428]
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|{{✗}} ||{{✓}} ||{{✓}} ||{{✓}} ||{{✗}} ||{{✓}} ||{{✓}}
 
|-
 
|-
|[[redream]]
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|[[reicast#Libretro_core|reicast libretro]]
|Windows, Linux, macOS
 
|[https://redream.io/download {{RedreamVer}}]
 
|{{✗}} ||{{✗}} ||{{✗}} ||{{✓}} ||{{✓}}
 
|-
 
|[[reicast#Libretro_core|Flycast (libretro)]]
 
 
|Multi-platform
 
|Multi-platform
|[https://github.com/libretro/flycast Git]
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|[https://github.com/libretro/reicast-emulator Git]
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|{{}} ||{{✓}} ||{{✓}} ||{{✗}} ||{{✓}} ||{{✓}} ||{{✓}}
 
|-
 
|-
 
|[[reicast]]
 
|[[reicast]]
 
|Windows, Linux
 
|Windows, Linux
 
|[http://builds.reicast.com/ Dev Builds]
 
|[http://builds.reicast.com/ Dev Builds]
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|{{✓}} ||{{✗}} ||{{✗}} ||{{✗}} ||{{✗}} ||{{✓}} ||{{✓}}
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|-
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|[[redream]]
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|Windows, Linux, macOS
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|[https://redream.io/download {{RedreamVer}}]
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|{{✗}} ||{{✗}} ||{{✗}} ||{{✗}} ||{{✓}} ||{{✓}} ||{{✓}}
 
|-
 
|-
 
|[[nullDC]]
 
|[[nullDC]]
 
|Windows
 
|Windows
 
|[http://www.emucr.com/2013/03/nulldc-svn-r150.html 1.0.4 r150]
 
|[http://www.emucr.com/2013/03/nulldc-svn-r150.html 1.0.4 r150]
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|{{✓}} ||{{✓}} ||{{✗}} ||{{✗}} ||{{✗}} ||{{✗}} ||{{~}}
 
|-
 
|-
 
|[[Makaron]]
 
|[[Makaron]]
 
|Windows
 
|Windows
 
|[https://www.zophar.net/dreamcast/makaron.html T12/5]
 
|[https://www.zophar.net/dreamcast/makaron.html T12/5]
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|{{✗}} ||{{✗}} ||{{✗}} ||{{✓}} ||{{✗}} ||{{✗}} ||{{✗}}
 
|-
 
|-
|[http://washemu.org/ WashingtonDC]
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|[https://segaretro.org/Chankast Chankast]
|Linux
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|Windows
|[https://github.com/washingtondc-emu/washingtondc Git]
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|[http://chanka.emulatronia.com/FrameSetDC_Down.htm 0.25]
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|{{✗}} ||{{✗}} ||{{✗}} ||{{✗}} ||{{✗}} ||{{✗}} ||{{✗}}
 
|-
 
|-
|[http://www.lxdream.org Lxdream]
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|Lxdream
 
|Linux, macOS
 
|Linux, macOS
 
|[http://www.lxdream.org/download.php 0.9.1]
 
|[http://www.lxdream.org/download.php 0.9.1]
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|{{✓}} ||{{✗}} ||{{✗}} ||{{✗}} ||{{✗}} ||{{✗}} ||{{✗}}
 
|-
 
|-
|[https://segaretro.org/Chankast Chankast]
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|WashingtonDC
|Windows
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|Linux
|[http://chanka.emulatronia.com/FrameSetDC_Down.htm 0.25]
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|[https://github.com/washingtondc-emu/washingtondc Git]
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|{{✓}} ||{{✗}} ||{{✗}} ||{{✗}} ||{{✓}} ||{{✓}} ||{{✗}}
 
|-
 
|-
 
|[[MAME]]
 
|[[MAME]]
 
|Multi-platform
 
|Multi-platform
 
|[http://www.mamedev.org/release.html {{MAMEVer}}]
 
|[http://www.mamedev.org/release.html {{MAMEVer}}]
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|{{}} ||{{✓}} ||{{✓}} ||{{✗}} ||{{✓}} ||{{✓}} ||{{✗}}
 
|-
 
|-
!colspan="10"|Mobile
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!colspan="9"|Mobile
 
|-
 
|-
|[[redream]]
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|[[reicast#Libretro_core|reicast libretro]]
|Android
 
|[https://play.google.com/store/apps/details?id=io.recompiled.redream 1.0.49]
 
|{{✗}} ||{{✗}} ||{{✗}} ||{{✓}} ||{{✓}}
 
|-
 
|[[reicast#Libretro_core|Flycast (libretro)]]
 
 
|[[Android emulators|Android]], mobile
 
|[[Android emulators|Android]], mobile
|[https://github.com/libretro/flycast Git]
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|[https://github.com/libretro/reicast-emulator Git]
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|{{}} ||{{✓}} ||{{✓}} ||{{✗}} ||{{✓}} ||{{✓}} ||{{✓}}
 
|-
 
|-
 
|[[reicast]]
 
|[[reicast]]
 
|[[Android emulators|Android]]
 
|[[Android emulators|Android]]
 
|[http://builds.reicast.com/ Dev Builds]
 
|[http://builds.reicast.com/ Dev Builds]
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|-
 
|}
 
|}
  
 
===Comparisons===
 
===Comparisons===
;[[DEmul]]:Has the highest compatibility and accuracy, but is Windows-only and closed-source. It supports Windows CE games, but in general, they run worse than standard Dreamcast titles. It's also more resource-intensive than other emulators.
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;[[DEmul]]:Has the highest compatibility and accuracy, but is Windows-only. It supports Windows CE games, but in general, they run worse than standard Dreamcast titles. It's also more resource-intensive than other emulators.
;[[redream]]:Runs on Windows, MacOS, Linux and Android. Compatible with [https://redream.io/compatibility 80+% of the Dreamcast library] (no Windows CE support), has a good user interface, is easy to set up and can run without a BIOS. Runs on [https://youtu.be/rywLHa1i9yk?t=529 low-end machines] provided that they support OpenGL 3.1. Is closed-source and has a payware premium version with high-definition rendering.
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;[[nullDC]]:Can run a lot of games at great speed in mid-end PCs. It's no longer developed in favor of its fork…
 
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;[[reicast]]:Made by the same team. Runs on Android, Windows, and Linux.
;[[nullDC]]:Can run a lot of games at great speed on mid-end PC but is no longer developed.
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:;[[reicast#Libretro_core|reicast libretro]]:[[libretro]] fork similar to [[Mednafen]]'s PCE-fast and PCE-accuracy cores that backport changes from [https://github.com/flyinghead/reicast-emulator flyinghead's fork] of reicast. It aims to be compliant with OpenGL 2 and OpenGL ES 2 so that it can continue to run on mobile devices and mid-tier PCs. A graphics feature of the Dreamcast, Order-Independent Transparency, can only be properly emulated using recent versions of OpenGL 4 on supported hardwares and platforms (currently Windows and Linux).<ref>Daniel De Matteis. [https://www.libretro.com/index.php/introducing-reicast-oit-libretro-core-updated-reicast-regular-core/ Introducing Reicast OIT libretro core + updated Reicast regular core] on libretro.com. June 12, 2018.</ref> This fork also supports [https://www.patreon.com/posts/reicast-libretro-19733457 Naomi and Atomiswave] hardware.
:;[[reicast]]:Eventually nullDC's author forked his own project into reicast, with the main objective to widen platform availability to smartphones and tablets. While wider availability is generally a good thing, this resulted in cutting accuracy corners from the nullDC codebase to achieve the speed goals necessary to run on these platforms. Advancements in mobile hardware should have led to the removal of such "hacks"; however lack of developer resources and interest led to long delays in Reicast development, and the codebase remained virtually untouched for years before the RetroArch team began working with it as part of a "Reicast core", later named Flycast.
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;[[redream]]:Has a good interface, is simple to set up and can run without a BIOS (though it's better to use one anyway).
:;[[reicast#Libretro_core|Flycast]]:[[libretro]] fork of reicast. libretro collaborators, primarily [https://github.com/flyinghead/reicast-emulator flyinghead], dramatically improved Reicast in areas such as graphics, input, system clock, and Dreamcast VMU. Atomiswave and NAOMI SH-4-based arcade systems have also been added to great fanfare<ref name="flycastnaomi">https://github.com/libretro/flycast/issues/136</ref>, along with support for MAME's popular CHD format. Even full MMU support, which is needed to run WinCE-based games such as "Armada", "Half-Life" and "SEGA Rally Championship 2", has recently been tackled through an experimental branch (anyone following Dreamcast emulation over the years understands what a tough nut this is to crack). Aside from some audio stuttering issues in games such as "Looney Toons Space Race" and "Resident Evil: Code Veronica", this is a highly compatible and accurate emulator.  
 
 
 
 
;[[Makaron]]:One of the only two closed-source Dreamcast emulators that can properly play Windows CE games.
 
;[[Makaron]]:One of the only two closed-source Dreamcast emulators that can properly play Windows CE games.
  
 
==Emulation issues==
 
==Emulation issues==
For the emulators that are either mature or maturing, a very large percentage of games work well, but some games still have problems and glitches.
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Dreamcast emulation isn't very good. For the emulators that are either mature or maturing, a very large percentage of games work well, but many games still have problems and glitches.
 
 
Windows CE games emulation is still poor and slow.
 
  
==VMU emulators==
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In recent times, the open-source community has gotten a better leg to stand on thanks to RetroArch's reicast cores. Their team has been integrating a version of reicast that deals with many graphical issues (elaborated on above).
While some Dreamcast emulators can leverage the screen of the VMU while the game is running, none of them allow you to play the minigames developed for it.
 
  
ElysianVMU is a complete Dreamcast VMU emulator:
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===Poor VMU emulation===
[http://evmu.elysianshadows.com/ ElysianVMU]
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<!-- Update this entry if you have anything else on it -->
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While current Dreamcast emulators can leverage the screen of the VMU while the game is running, none of them allow you to play the minigames developed for it so playing those minigames would require another emulator. The problem is there aren't any complete lists of VMU emulators, and the emulators that can be found are poorly documented.
  
 
==Downloads==
 
==Downloads==
 
* [[Emulator_Files#Dreamcast|BIOS]]
 
* [[Emulator_Files#Dreamcast|BIOS]]
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==VMU emulators==
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Emulating the Dreamcast VMU is possible via use of this emulator:
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[https://www.dropbox.com/sh/rai7db85bqq5iz0/AAAbnQfEJpTFaHkQ8K6nP6kVa?dl=0 Dropbox link of ElysianVMU]
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[http://forums.elysianshadows.com/viewtopic.php?f=48&t=9171 Link to the forum thread about it]
  
 
==References==
 
==References==

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