klange changed the topic of #osdev to: Operating System Development || Don't ask to ask---just ask! || For 3+ LoC, use a pastebin (for example https://gist.github.com/) || Stats + Old logs: http://osdev-logs.qzx.com New Logs: https://libera.irclog.whitequark.org/osdev || Visit https://wiki.osdev.org and https://forum.osdev.org || Books: https://wiki.osdev.org/Books
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<heat> i am here destroyer of worlds
<heat> Ermine
<mcrod> it was I who called you
<kof673> its always double, create/destroy... :D
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<bslsk05> ​twitter: <Hbomberguy> You never hear about firmware any more. What happened
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<zid> non funny response: people started using real cpus in things
<zid> things are a lot less embedded than they used to be
<heat> lets get mcrod out of a job
<heat> working is lame
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<vdamewood> Hark! What wind through yonder window breaks!
* geist yawns
<kazinsal> oh shiiiiiit
<geist> heat is out of order
<kazinsal> microsoft open sourced the bizarre multitasking MS-DOS 4.0
<geist> kazinsal: wat!
<geist> wat.
<Mutabah> wat?
<bslsk05> ​github.com: MS-DOS/v4.0 at main · microsoft/MS-DOS · GitHub
<geist> i remember ms-dos 4 but i dont remember any multitaskingh bits
<geist> i forget what msdos 4s big thing was, but iirc it wsasn’t very good, and 5 replaced it pretty fast
<kazinsal> yeah, it didn't gain much traction
<kof673> dr-dos i think had some "Multi-tasking" stuff too, but have not looked
<kof673> that was later of course, don't know how far back it goes
<geist> ah there’s the 4.0-ozzie thing
<geist> that’s the multitasking version
<geist> guess it wans’t released?
<kazinsal> yeah, looks like 4.0 alone is the one that did get released
<kazinsal> the "regular" 4.0
<geist> i remember one of my dad’s work machines came with 4.0, probably one of the laptops in the late 80s
<kazinsal> was kinda hoping to see the guts of the multitasking DOS code, but more regular DOS being oss is neat
<geist> ah no was probably the houshold 386, got in 1990 iirc
<geist> since 4.0 was the dos at the time
<bslsk05> ​en.m.wikipedia.org: Timeline of DOS operating systems - Wikipedia
<kazinsal> ah, looks like the multitasking DOS got released for a few OEMs in Europe
<kazinsal> and regular DOS 4.0 was only released for OEMs, no retail/upgrade version available
<geist> holy crap that page has a ridiculous amount of detail
<kazinsal> seriously
<kazinsal> where'd my scrollbar go
<geist> there’s a guy on youtube that has a series of videos on OS/2, early windows, dos, etc that has this level of detail. wouldn’t be surprised if he didn’t fill this in
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<GreaseMonkey> i take one look at this channel and hot damn, DOS 4.0 (the interesting one) source code? yes please
<GreaseMonkey> IIRC it was released some time between 3.2 and 3.3
<GreaseMonkey> i played with it briefly i think on pcjs and honestly, i wish DOS took that route
<geist> yah
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<GreaseMonkey> ...ok, looking a bit more into it and reading the blog post, it turns out it *is* the source for the less interesting MS-DOS 4.0, but also a binary beta for the more interesting one and some BIOS source code or at least IBMBIO source code: https://cloudblogs.microsoft.com/opensource/2024/04/25/open-sourcing-ms-dos-4-0/
<bslsk05> ​cloudblogs.microsoft.com: Open sourcing MS-DOS 4.0  - Microsoft Open Source Blog
<kazinsal> yeah, not the most interesting, but still neat
<kazinsal> I'd love for them to FOSS up DOS 6.22
<kazinsal> but I'd also like ten million dollars and to be 40 pounds lighter, and only one of those three things is possible
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<kazinsal> I can't find the original pressing LP of the album I want to listen to and I am a sad
<kazinsal> :(
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<nikolapdp> :(
<GeDaMo> kazinsal: which album?
<kazinsal> Rush - Moving Pictures
<kazinsal> somewhere around here I have an original pressing but I can't find it :(
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<nikolapdp> is geist around
<Ermine> geist: what is that os/2 channel again?
<kazinsal> it's nearing 4am here on the west coast best coast so the G-man is likely asleep
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<kazinsal> thanks, irccloud
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<netbsduser`> another import to my kernel from the various experiments i've been doing over the past few months
<netbsduser`> a great and authentic implementation of rcu classic edition, exactingly according to what's described in the patent
<netbsduser`> might have a look and see whether some of the newer patents have also expired, RCU Sleeping Edition would be a nice addition
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