Editing RISC OS (section)

== Supported hardware ==
RISC OS has also been used by both Acorn and [[Pace Micro Technology]] in various TV connected [[set-top box]]es, sometimes referred to instead as [[NCOS]].{{Citation needed|date=December 2024}} A special cut down RISC OS Pico (for 16MiB cards and larger) styled to start up like a [[BBC Micro]] was released for [[BASIC|BASIC's]] 50th anniversary.<ref>{{cite web |date=5 January 2014 |title=Happy birthday, BASIC |url=https://www.riscosopen.org/news/articles/2014/05/01/happy-birthday-basic |url-status=live |archive-url=https://web.archive.org/web/20181109020010/https://www.riscosopen.org/news/articles/2014/05/01/happy-birthday-basic |archive-date=9 November 2018 |access-date=8 May 2018}}</ref> [[SD card]] images have been released for downloading free of charge to [[Raspberry Pi]] 1, 2, 3, & 4 users with a full [[graphical user interface]] (GUI) version<ref>{{cite web |title=Downloads |url=http://www.raspberrypi.org/downloads |url-status=live |archive-url=https://web.archive.org/web/20130114192342/http://www.raspberrypi.org/downloads |archive-date=14 January 2013 |access-date=2 September 2013 |publisher=Raspberry Pi}}</ref> and a [[command-line interface]] only version (RISC OS Pico, at 3.8&nbsp;MB).<ref name="Pico">{{cite web |title=RISC OS Open: Raspberry Pi |url=https://www.riscosopen.org/content/downloads/raspberry-pi |url-status=live |archive-url=https://web.archive.org/web/20210320161349/https://www.riscosopen.org/content/downloads/raspberry-pi |archive-date=20 March 2021 |access-date=25 April 2015 |work=riscosopen.org}}</ref>

Versions of RISC OS run or have run on the following hardware: ([[RISC OS Open Limited]] adopted<ref name="Stable release criteria">{{cite web |date=12 January 2017 |title=Stable release criteria |url=https://www.riscosopen.org/content/documents/stable-releases |url-status=live |archive-url=https://web.archive.org/web/20181109020018/https://www.riscosopen.org/content/documents/stable-releases |archive-date=9 November 2018 |access-date=12 January 2017}}</ref> the '[[Software versioning#Odd-numbered versions for development releases|even numbers are stable]]' version numbering scheme post version 5.14, hence some table entries above include two latest releases – the last stable one and the more recent development one.)

{| class="wikitable"
|+ RISC OS compatible hardware
! rowspan="2" style="vertical-align:bottom;" |Machine !! rowspan="2" style="vertical-align:bottom;" |[[Arm architecture|ARM architecture]] !! rowspan="2" style="vertical-align:bottom;" |Introduced !! colspan="2" style="vertical-align:bottom;" |[[Acorn Computers|Acorn]] version !! colspan="2" style="vertical-align:bottom;" |[[RISCOS Ltd]] version !! colspan="2" style="vertical-align:bottom;" |[[Castle Technology]], [[RISC OS Open]] version
|-
! First !! Last !! First !! Last !! First !! Latest
|-
| colspan="8" | '''ARM with [[26-bit computing|26-bit]] program counter'''
|-
| [[Acorn Archimedes]] || ARMv2 || 1987–1992 || 0.20 || 3.1x || {{n/a}} || {{n/a}} || {{n/a}} || {{n/a}}
|-
| colspan="8" | '''ARM with 26- & 32-bit program counter'''
|-
| [[Risc PC|Acorn Risc PC]] || ARMv3 / v4 || 1994<ref name="riscpc">{{Cite web |title=Chris's Acorns: Risc PC Computers |url=http://chrisacorns.computinghistory.org.uk/Computers/RiscPCComputers.html |url-status=live |archive-url=https://web.archive.org/web/20171021213428/http://chrisacorns.computinghistory.org.uk/Computers/RiscPCComputers.html |archive-date=21 October 2017 |access-date=22 July 2015 |website=chrisacorns.computinghistory.org.uk}}</ref> || 3.50<ref name="riscpc" /> || rowspan="2" | 3.71 || rowspan="2" | 4.00 || rowspan="2" | 6.20<ref name="select-faq">{{cite web |title=RISC OS Six Frequently Asked Questions |url=http://select.riscos.com/RISCOS6/faq.html |archive-url=https://archive.today/20121208135752/http://select.riscos.com/RISCOS6/faq.html |archive-date=8 December 2012}}</ref> || rowspan="2" | 5.15 || rowspan="2" | 5.30<ref name="downloads/riscpc">{{Cite web |title=RISC OS Open: RiscPC |url=https://www.riscosopen.org/content/downloads/riscpc |url-status=live |archive-url=https://web.archive.org/web/20150411175939/https://www.riscosopen.org/content/downloads/riscpc |archive-date=11 April 2015 |access-date=25 April 2015 |website=www.riscosopen.org}}</ref>/5.31
|-
| [[Acorn A7000|Acorn A7000 and A7000+]] || ARMv3 || 1995<ref name="a7000">{{cite web |title=Chris's Acorns: Acorn A7000 |url=http://chrisacorns.computinghistory.org.uk/Computers/A7000.html |url-status=live |archive-url=https://web.archive.org/web/20151011194352/http://chrisacorns.computinghistory.org.uk/Computers/A7000.html |archive-date=11 October 2015 |access-date=22 July 2015 |work=computinghistory.org.uk}}</ref>{{spaced ndash}}1997<ref name="a7000+">{{cite web |title=Chris's Acorns: Acorn A7000+ |url=http://chrisacorns.computinghistory.org.uk/Computers/A7000+.html |url-status=live |archive-url=https://web.archive.org/web/20151011194330/http://chrisacorns.computinghistory.org.uk/Computers/A7000+.html |archive-date=11 October 2015 |access-date=22 July 2015 |work=computinghistory.org.uk}}</ref> || 3.60<ref name="a7000" /><ref name="a7000+" /> 
|-
| [[Acorn Phoebe]] (cancelled) || ARMv4 || 1998 || 3.80 (Ursula) || {{n/a}} || {{n/a}} || {{n/a}} || {{n/a}} || {{n/a}}
|-
| MicroDigital Medi<ref>repackaged A7000+</ref> || rowspan="3" | ARMv3 || 1998<ref name="medi">{{cite web |title=Chris's Acorns: MicroDigital |url=http://chrisacorns.computinghistory.org.uk/AfterAcorn/Microdigital.html#Medi |url-status=live |archive-url=https://web.archive.org/web/20150722224655/http://chrisacorns.computinghistory.org.uk/AfterAcorn/Microdigital.html#Medi |archive-date=22 July 2015 |access-date=22 July 2015 |work=computinghistory.org.uk}}</ref> || 3.71<ref name="medi" /> || {{n/a}} || 4.02 || 6.20 || {{n/a}} || {{n/a}}
|-
| MicroDigital Mico || 1999<ref name="mico">{{cite web |title=Chris's Acorns: MicroDigital |url=http://chrisacorns.computinghistory.org.uk/AfterAcorn/Microdigital.html#Mico |url-status=live |archive-url=https://web.archive.org/web/20150722224655/http://chrisacorns.computinghistory.org.uk/AfterAcorn/Microdigital.html#Mico |archive-date=22 July 2015 |access-date=22 July 2015 |work=computinghistory.org.uk}}</ref> || {{n/a}} || {{n/a}} || 4.03<ref name="mico" /> ||4.39<ref name="select-faq" /> || {{n/a}} || {{n/a}}
|-
| RiscStation R7500 || 1999<ref name="r7500">{{cite web |title=Chris's Acorns: RISC OS After Acorn |url=http://chrisacorns.computinghistory.org.uk/AfterAcorn.html#RiscStation |url-status=live |archive-url=https://web.archive.org/web/20151011194254/http://chrisacorns.computinghistory.org.uk/AfterAcorn.html#RiscStation |archive-date=11 October 2015 |access-date=22 July 2015 |work=computinghistory.org.uk}}</ref> || {{n/a}} || {{n/a}} || 4.03<ref name="r7500" /> ||4.39<ref name="select-faq" /> || {{n/a}} || {{n/a}}
|-
| Castle Kinetic RiscPC || rowspan="2" | ARMv4 || 2000<ref name="kinetic">{{cite web |title=The Icon Bar: Castle reveal Kinetic to the press |url=http://www.iconbar.com/forums/viewthread.php?newsid=918 |url-status=live |archive-url=https://web.archive.org/web/20120716211137/http://www.iconbar.com/forums/viewthread.php?newsid=918 |archive-date=16 July 2012 |access-date=23 February 2011 |work=iconbar.com}}</ref> || {{n/a}} || {{n/a}} || 4.03 || 6.20 || 5.19<ref name="ROOLkinetic">{{cite web |date=28 March 2013 |title=Bugs and sources |url=https://www.riscosopen.org/viewer/revisions/logs?ident=1364507316-018164.html |url-status=live |archive-url=https://web.archive.org/web/20150413035910/https://www.riscosopen.org/viewer/revisions/logs?ident=1364507316-018164.html |archive-date=13 April 2015 |access-date=2 September 2013 |publisher=RISC OS Open}}</ref> || 5.30<ref name="downloads/riscpc" />/5.31
|-
| [[MicroDigital Omega]] || 2003<ref>{{cite web |title=Omega production saga continues – Drobe.co.uk archives |url=http://www.drobe.co.uk/article.php?id=973 |url-status=live |archive-url=https://web.archive.org/web/20120316220842/http://www.drobe.co.uk/article.php?id=973 |archive-date=16 March 2012 |access-date=8 February 2012 |work=drobe.co.uk}}</ref> || {{n/a}} || {{n/a}} || 4.03<ref name="omega">{{cite web |title=Chris's Acorns: MicroDigital |url=http://chrisacorns.computinghistory.org.uk/AfterAcorn/Microdigital.html#Omega |url-status=live |archive-url=https://web.archive.org/web/20150722224655/http://chrisacorns.computinghistory.org.uk/AfterAcorn/Microdigital.html#Omega |archive-date=22 July 2015 |access-date=22 July 2015 |work=computinghistory.org.uk}}</ref> || 4.39<ref name="select-faq" /> || {{n/a}} || {{n/a}}
|-
| Advantage Six A75 || ARMv3 || 2004<ref>{{cite web |title=A75 is ARM7500FE ruggable – Drobe.co.uk archives |url=http://www.drobe.co.uk/article.php?id=1047 |url-status=live |archive-url=https://web.archive.org/web/20151016230127/http://www.drobe.co.uk/article.php?id=1047 |archive-date=16 October 2015 |access-date=8 February 2012 |work=drobe.co.uk}}</ref> || {{n/a}} || {{n/a}} ||4.39<ref>{{cite web |title=Advantage6: Thea75 |url=http://www.advantagesix.com/Thea75.html |url-status=live |archive-url=https://web.archive.org/web/20131102161846/http://www.advantagesix.com/Thea75.html |archive-date=2 November 2013 |access-date=9 February 2012 |work=advantagesix.com}}</ref> || || {{n/a}} || {{n/a}}
|-
| colspan="8" |'''ARM with 32-bit program counter'''
|-
| [[Iyonix PC|Iyonix Ltd Iyonix PC]] || ARMv5TE || 2002 || {{n/a}} || {{n/a}} || {{n/a}} || {{n/a}} || 5.01 || 5.30<ref>{{cite web |title=RISC OS Open: Iyonix |url=https://www.riscosopen.org/content/downloads/iyonix |url-status=live |archive-url=https://web.archive.org/web/20150411180000/https://www.riscosopen.org/content/downloads/iyonix |archive-date=11 April 2015 |access-date=25 April 2015 |work=riscosopen.org}}</ref>/5.31
|-
| [[A9home|Advantage Six A9]] (Home/RM/Loc) || ARMv4T || 2005 || {{n/a}} || {{n/a}} || 4.42<ref name="select-faq" /> || || {{n/a}} || {{n/a}}
|-
| [[BeagleBoard]]<ref name="theinquirer snaps leak" /> || rowspan="6" | ARMv7-A || 2008 || {{n/a}} || {{n/a}} || {{n/a}} || {{n/a}} || rowspan="4" | 5.15 || rowspan="5" | 5.30<ref>{{cite web |title=RISC OS Open: BeagleBoard |url=https://www.riscosopen.org/content/downloads/beagleboard |url-status=live |archive-url=https://web.archive.org/web/20150411175957/https://www.riscosopen.org/content/downloads/beagleboard |archive-date=11 April 2015 |access-date=25 April 2015 |work=riscosopen.org}}</ref>/5.31
|-
| [[IGEPv2]]<ref>{{cite web |date=24 January 2010 |title=RISC OS on IGEPv2 |url=https://www.riscosopen.org/forum/forums/5/topics/303 |access-date=19 September 2023}}</ref> || 2009 || {{n/a}} || {{n/a}} || {{n/a}} || {{n/a}}
|-
| [[DevKit8000]] || ? || {{n/a}} || {{n/a}} || {{n/a}} || {{n/a}}
|-
| Always Innovating [[Touch Book]] || 2009 || {{n/a}} || {{n/a}} || {{n/a}} || {{n/a}}
|-
| OpenPandora's [[Pandora (console)|Pandora]] || 2010 || {{n/a}} || {{n/a}} || {{n/a}} || {{n/a}} || 5.17<ref name="Pandora port">{{cite web |title=RISC OS Open: Forum: Let's get started with a Pandora port |url=https://www.riscosopen.org/forum/forums/5/topics/166?page=14 |url-status=live |archive-url=https://web.archive.org/web/20140919225512/https://www.riscosopen.org/forum/forums/5/topics/166?page=14 |archive-date=19 September 2014 |access-date=10 July 2012 |work=riscosopen.org}}</ref> 
|-
| [[PandaBoard]]<ref name="iconbar old news for you">{{cite web |last=Lee |first=Jeffrey |date=2 August 2011 |title=Have I Got Old News For You |url=http://www.iconbar.com/articles/Have_I_Got_Old_News_For_You/index1268.html |url-status=live |archive-url=https://web.archive.org/web/20120612074011/http://www.iconbar.com/articles/Have_I_Got_Old_News_For_You/index1268.html |archive-date=12 June 2012 |access-date=28 September 2011 |work=[[The Icon Bar]] |quote=[...] Willi Theiss has recently announced that he's been working on a port of RISC OS to the PandaBoard [...]}}</ref> || 2011 || {{n/a}} || {{n/a}} || {{n/a}} || {{n/a}} || 5.17 || 5.30<ref name="ROOL news 2015-04-25" />/5.31
|-
| [[Raspberry Pi]] (1 - 4 and compatible)<ref name="osnews risc os" /><ref>{{Cite web |title=raspberrypi.org |url=http://www.raspberrypi.org/?page_id=43&mingleforumaction=viewtopic&t=919.0 |url-status=dead |archive-url=https://web.archive.org/web/20120229180108/http://www.raspberrypi.org/?page_id=43 |archive-date=29 February 2012 |access-date=1 November 2011}}</ref><ref>{{cite web |date=15 July 2014 |title=Raspberry Pi B+ |url=https://www.riscosopen.org/news/articles/2014/07/15/raspberry-pi-model-b |url-status=live |archive-url=https://web.archive.org/web/20140725122155/https://www.riscosopen.org/news/articles/2014/07/15/raspberry-pi-model-b |archive-date=25 July 2014 |access-date=13 August 2014}}</ref><ref>{{cite web |date=29 February 2016 |title=Raspberry Pi 3 |url=https://www.riscosopen.org/forum/forums/1/topics/3943?page=2#posts-50397 |url-status=live |archive-url=https://web.archive.org/web/20160407201218/https://www.riscosopen.org/forum/forums/1/topics/3943?page=2#posts-50397 |archive-date=7 April 2016 |access-date=26 March 2016}}</ref> || ARMv6, v7-A, v8-A || 2012 || {{n/a}} || {{n/a}} || {{n/a}} || {{n/a}} || 5.19 || 5.30/5.31
|-
| [[ISEE (company)#IGEPv5|IGEPv5]]<ref name="RISC OS on IGEPv5">{{cite web |date=9 September 2014 |title=RISC OS on IGEPv5 |url=https://www.riscosopen.org/forum/forums/9/topics/2803 |url-status=live |archive-url=https://web.archive.org/web/20150411204755/https://www.riscosopen.org/forum/forums/9/topics/2803 |archive-date=11 April 2015 |access-date=9 September 2014}}</ref> || rowspan="3" | ARMv7-A || 2014 || {{n/a}} || {{n/a}} || {{n/a}} || {{n/a}} || 5.23 || 5.30/5.31
|-
| Wandboard Quad<ref name="armx6 formally announced at last">{{cite web |last=Hudd |first=Vince M. |date=1 February 2015 |title=ARMX6 formally announced at last |url=http://www.riscository.com/2015/armx6-formally-announced/ |url-status=live |archive-url=https://web.archive.org/web/20160104182418/http://www.riscository.com/2015/armx6-formally-announced/ |archive-date=4 January 2016 |access-date=1 November 2015 |website=RISCOSitory |publisher=Soft Rock Software |quote=[...] The heart of the machine is a Freescale i.MX 6 series processor [...]}}</ref><ref name="Mx6">{{cite web |date=26 January 2018 |title=i.Mx6 |url=https://www.riscosopen.org/content/downloads/imx6 |url-status=live |archive-url=https://web.archive.org/web/20181109013617/https://www.riscosopen.org/content/downloads/imx6 |archive-date=9 November 2018 |access-date=26 January 2018}}</ref> || rowspan="2" | 2015 || {{n/a}} || {{n/a}} || {{n/a}} || {{n/a}} || 5.21 || 5.31
|-
| Titanium<ref name="pedal to the metal">{{cite web |date=23 October 2015 |title=Preview of a whole new RISC OS platform |url=https://www.riscosopen.org/news/articles/2015/10/23/preview-of-a-whole-new-risc-os-platform |url-status=live |archive-url=https://web.archive.org/web/20151124070340/https://www.riscosopen.org/news/articles/2015/10/23/preview-of-a-whole-new-risc-os-platform |archive-date=24 November 2015 |access-date=23 October 2015}}</ref> || {{n/a}} || {{n/a}} || {{n/a}} || {{n/a}} || 5.23 || 5.30/5.31
|-
| [[Pinebook]]<ref>{{cite web |date=8 September 2023 |title=Pinebook port |url=https://www.riscosopen.org/wiki/documentation/show/Pinebook%20port |access-date=19 September 2023}}</ref>  || ARMv8-A || 2017 || {{n/a}} || {{n/a}} || {{n/a}} || {{n/a}} || 5.27 || 5.31
|-
|}
RISC OS can also run on a range of computer system emulators that emulate the earlier Acorn machines listed above:
{| class="wikitable"
|+ RISC OS capable hardware emulators
|-
! Emulator !! Machines emulated !! Host platforms supported !! Latest release
|-
| !A310Emu<ref>{{cite web |title=Welcome to my homepage! |url=http://home.tiscali.nl/jandboer/ |url-status=live |archive-url=https://web.archive.org/web/20130619204318/http://home.tiscali.nl/jandboer/ |archive-date=19 June 2013 |access-date=2 September 2013 |publisher=Home.tiscali.nl}}</ref> || rowspan="6" | Archimedes || RISC OS || 0.59
|-
| Archie<ref>{{cite web |date=12 August 2001 |title=Archie – Acorn Archimedes Emulator |url=http://www.geocities.com/chris-o/ |url-status=dead |archive-url=https://web.archive.org/web/20040206063028/http://www.geocities.com/chris-o |archive-date=6 February 2004 |access-date=2 September 2013}}</ref> ||[[DOS]], [[Microsoft Windows|Windows]] || 0.9 – 10 February 2001
|-
| ArchiEmu<ref>{{cite web |title=Tellima |url=http://www.tellima.nl/riscos/ |url-status=live |archive-url=https://web.archive.org/web/20151222081521/http://www.tellima.nl/riscos/ |archive-date=22 December 2015 |access-date=13 December 2015}}</ref> || RISC OS || 0.53.3 – 7 December 2014
|-
| ArcEm<ref>{{cite web |title=ArcEm – The Acorn Archimedes Emulator |url=http://arcem.sourceforge.net/ |url-status=live |archive-url=https://web.archive.org/web/20130809130647/http://arcem.sourceforge.net/ |archive-date=9 August 2013 |access-date=2 September 2013 |publisher=Arcem.sourceforge.net}}</ref> || Windows, [[Linux]], [[macOS]], RISC OS || 1.50.1 – 18 December 2015
|-
| Arculator<ref>{{cite web |title=Arculator – The Acorn Archimedes Emulator |url=http://b-em.bbcmicro.com/arculator/ |url-status=live |archive-url=https://web.archive.org/web/20130621075124/http://b-em.bbcmicro.com/arculator/ |archive-date=21 June 2013 |access-date=11 September 2019 |publisher=B-em.bbcmicro.com}}</ref> || Windows, Linux || 2.2 – 24 June 2023
|-
| [[VirtualAcorn|Virtual A5000]] || rowspan="2" | Windows || 1.4
|-
| Red Squirrel<ref>{{cite web |title=Red Squirrel Acorn Archimedes Emulator |url=http://www.redsquirrel.fsnet.co.uk/redsquirrel.html |url-status=live |archive-url=https://web.archive.org/web/20051227213827/http://www.redsquirrel.fsnet.co.uk/redsquirrel.html |archive-date=27 December 2005 |access-date=2 September 2013 |publisher=Redsquirrel.fsnet.co.uk}}</ref> || Archimedes, Risc PC, A7000 || 0.6 – 28 October 2002
|-
| RPCEmu<ref>{{cite web |title=RPCEmu |url=https://www.marutan.net/rpcemu/ |url-status=live |archive-url=https://web.archive.org/web/20130316043123/http://www.marutan.net/rpcemu/ |archive-date=16 March 2013 |access-date=7 November 2017 |publisher=Marutan.net}}</ref> || Risc PC, A7000, Phoebe || Windows, Linux, macOS, [[OpenBSD]] || 0.9.4 – 30 October 2021
|-
|[[VirtualAcorn|VirtualRPC]]|| Risc PC || Windows, macOS || 5 September 2014<ref>{{cite web |title=VirtualAcorn |url=http://www.virtualacorn.co.uk/news.htm |work=virtualacorn.co.uk}}</ref>
|}