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<immibis>
heat: Jonathan Blow isn't some YouTube gamedev, lol - he invented the genre of successful indie games, and made at least two very successful ones himself
<immibis>
zid: reptar might be a case of a prefix bit being used as a temporary flag in microcode. I seem to remember there being other bugs related to that. Like it might use the REX prefix bit to remember whether a page table privilege check is needed or something like that
<immibis>
I thought SMT was introduced because there was evidence that most sane code kept most of the execution units idle, and mixing different instruction streams achieved the needed parallelism to keep most of them busy. The statistics on that have probably changed by now, and maybe a new benchmark is needed
<bslsk05>
'The Thirty Million Line Problem' by Molly Rocket (01:48:55)
<immibis>
more Casey Muratori
<immibis>
I wonder if bullshit code can be mapped to bullshit jobs
<blockhead>
Molly Rocket, never heard of that before, but it's a cool name :)
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<kof123>
i linked that a long time ago...not criticizing...he also has "the only unbreakable law" :D
<kof123>
"people think this is good, but this is bad...this is all bad" lol
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<immibis>
"this" in that quote refers to, basically, modularizing software. He says it's something bad that you do because you have to, not an intrinsic good.
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<geist>
mmm got the ultrasparc working
<geist>
though it has a solaris install with a root password i dunno
<geist>
and the nvram is of course wiped so it's annoying
<geist>
when you first power it up it literally takes 10 minutes to run a comprehensive test
<geist>
and if you ever power it off it resets back to the default
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<kazinsal>
your ability to find pallets of weird old hardware makes me really want to start looking at jobs in the seattle area
<clever>
i once ran gentoo on a sparc machine, as my nas
<clever>
purely because it had a nice backplane for slotting many drives into it, i gave it 1 drive, lol
<clever>
at some point, it stopped booting, and being unfamiliar with sparc, i was unable to fix it
<clever>
and upon moving the drive to an x86 box, i discovered, xfs cant replay a journal from the wrong byte order
<kazinsal>
my most beloved machine disappeared in a move
<kazinsal>
a tadpole sparcbook 3gx my uncle gave to me as a young lad with OpenBSD 2.6 on it
<kazinsal>
my intro to unix
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<geist>
oh that sounds nice. i remember those tadpoles, never saw one
<kazinsal>
yeah, it was a big fat magnesium steel laptop with a bunch of slim scsi ports on the back of it, a bunch of various bits, and an AUI port
<kazinsal>
granted I was nine or ten at the time so I wasn't enough of a computer janitor to be able to do any real clever stuff with it
<kazinsal>
but y'know
<kazinsal>
if I had one now it'd be an amazing little box to tinker with 25 years later
<kazinsal>
my uncle's group was in the security business so they all ran openbsd at the time instead of the stock solaris 2
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<kazinsal>
pretty sure he's still in the same group four acquisitions later
<kazinsal>
yeah I haven't managed to netboot it but I've got a scsi2sd in it
<geist>
with that you can run a daemon to listen for MOP boot requests and it'll slam a binary in ram and go
<kazinsal>
neato
<geist>
great for VAX hackery
<geist>
lovely because you can just send a serial BRK to it and no matter what the vax is up to it'll drop right back into the firmware
<geist>
and you can just continually boot cycle it without even touching the box
gog is now known as Gog
<geist>
kinda like a built in jtag. it's nice
<kazinsal>
I've got a pile of code around for router shenanigans that, given some kernel and driver glue, can turn any dumb box into an IPv4 router
<kazinsal>
so with some magic vax code I can probably get a couple dozen mbps out of this vax lol
<geist>
the other thing i got in this haul is a box called a DEC infoserver. looks like a little microvax, and it is indeed a KA42
<geist>
but it has custom firmware that runs some presumably truncated VMS that just serves disk images over the net
<geist>
aaaaaand you can have, say, a vax with no cdrom boot from it
<kazinsal>
oh neat
<geist>
it's kinda neat. but also you can run an instance in simh and it works too
<kazinsal>
the one I have is a KA45
<kazinsal>
probably basically the same core architecture
<geist>
all the vax firmwares (and i think PDP-11) understand how to boot from MOP
<geist>
and VMS itself has the capability to remote mount disks off the infoserver, or even burn to a CDR plugged into it
<kazinsal>
I'd love to get this thing running again to help with the open source vax fuckery
<kazinsal>
just help document how to get dumb hacks running on these machines
<geist>
also fascinating: the ethernet cards i have in the vax 3800 and pdp11 are both QBUS based, and they're pretty powerful for late 80s. they even have a full 68000 on board
<geist>
well, whats sad is the getting is no longer very good. half o these parts i got in this haul literally have stickers that say $2
<geist>
he bought a ton of this stuff in the early 2000s from a local surplus store, RE-PC, and basically cobbled together a huge collection back when this hardware was basically free
<geist>
now it's soooo expensive since there's a market for it
<kazinsal>
yeah, it's a pretty scarce market now
<kazinsal>
it's even hard to find the kind of super common "machines" like IBM selectrics
<kazinsal>
another weirdo "box" I'd like to have
<Matt|home>
two and a half days.. four pages of notes
<Matt|home>
and i'm.. pretty sure i've successfully written four fucking lines of code that count as an "algorithm"
<zid>
is one of them t += 4096;
<Matt|home>
ratio of code to comment: ten lines of comments to four lines of actual code. goodie
<Matt|home>
no
<zid>
ah you'll have to rewrite it later then
<zid>
osdev code must have that every 4th line by law
<Matt|home>
im really bad at visualizing stuff and i was trying to implement a shuffler for a deck of cards
<zid>
oh, I always do the dumb method, idk if it has bias
<Matt|home>
to me it's like those stupid logic puzzles
<zid>
you just swap a random card from the remaining 52 cards into slot 0, swap a random card from the remaining 51 cards into slot 1
<Matt|home>
you have a sheep a lion and a goat and you can only cross the river one or two at a time etc
<zid>
etc
<kazinsal>
still need to find a machine to jam this weirdo 4x1GbE card into
<Matt|home>
i wrote it down on paper and i just don't grok -_-
<kazinsal>
I think it's a 4x1 broadcom chipset but I don't know if it looks like one PCI device or four
<zid>
51 calls to rand, so not exactly what you want *ideally* compared to an algo that can actually spit out a permutation
<Matt|home>
well actually believe it or not i do want a little bias, im not looking for true randomization
<Matt|home>
i don't necessarily know if it's too much or too little though
<zid>
note bias in this case means "badly randomized"
<zid>
meaning, some deals more likely, some deals impossible, etc
<Matt|home>
zid - irl, when you shuffle cards, some will stick together in certain ways depending on the shuffling method no? i.e. it's not completely 100% random
<zid>
Yea, that's a specific kind of bias
<zid>
my algo doesn't create that kind of bias
<Matt|home>
i know jack and shit about bias/randomization, so im really hoping using a seeded RNG with computer time will be sufficient to simulate shuffling
<zid>
There just aren't enough bits in most seeds to properly shuffle cards
<zid>
you need to use a big twister with a 256 byte seed array or something instead of like, a 64bit lsfr
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<zid>
shuffling cards needs 226 bits of seed or something
<kazinsal>
geist: out of curiosity I just powered on that Mac Classic II and while it didn't give a BONG chime, it booted from its original hard drive no problem
<kazinsal>
CRT is in fantastic shape, no noises on the HDD
<geist>
huh! maybe the speaker isn't plugged in
<zid>
of course, it's basically not required to ever shuffle cards like that
<zid>
as long as the generator itself doesn't have a bias
<kazinsal>
yeah, weirdest little issue
<zid>
as long as it's uniformly tossing out combinations, and not say, all the ones with the ace of spades first
<zid>
but proving that is harrrd
<Matt|home>
well.. in my case i'm needing to run a LOT of permutations/simulations so i need a fairly fast program. i don't have a dedicated hardware randomizer or anything like that so..
<kazinsal>
I should plug some earbuds into the 3.5mm jack and see if I can get it to spit out some sound
<Matt|home>
multiple calls to rand() it is :p
<kazinsal>
actually it probably needs powered speakers
<kazinsal>
so I'll need to run some shit through my normal audio interface
<kazinsal>
cute machine though, 68030 @ 16 MHz with 4 MB of RAM
<zid>
yea that's my method
<zid>
just it does 0,51 every time, not 0,51 then 0,50 then 0,49 etc
<zid>
might be better, might be worse, idk
<zid>
It's just a very easy way to get around the pigeonhole principle
<Matt|home>
im trying to simulate casino card games, and they effectively have two methods of shuffling. one uses a very predictable manual shuffle, the other uses a machine shuffle. i figured it'd be a nightmare to even pretend to try to simulate that in a program
<zid>
if you just do rand()%52 and try to bruteforce adding cards that aren't already in your deck, it gets harder and harder and harder to do as the deck fills up
<zid>
so you just.. keep a list of all the cards you haven't added yet, and pick from those, instead
<Matt|home>
if i knew statistics i'd work this all out on paper instead of brute forcing simulations -_-
<zid>
and then do a little hack to not need two piles in the first place, by just keeping all the 'picked' cards at one end of the array, and 'unpicked' at the other
<zid>
by swapping
<Matt|home>
anyway that code should work yeah? i've got some manual labor to do by writing strings later before i can see the output
<zid>
unless there's a bug in using ctx instead of len or ctx-1 or whatever somewhere yea, conceptually fine
<Matt|home>
ty
<Matt|home>
this stupid goddamn rooster hasn't shut up for TWO HOURS. it's not even 6 am yet -_-
<kazinsal>
there are a couple particular macs I'd like get a hold of for sentimental purposes
<zid>
just fyi the simpler solution is for(i = 51; i >= 0; i--) { SWAP(deck[i], deck[rand() % (i+1)]); }
<kazinsal>
but this one's fun
<Gog>
screeen looks greally good
<zid>
hi goog
<Gog>
very bright and crisp
<zid>
new scren?
<Gog>
hi ziid
<Gog>
no, the mac
<zid>
very bright? bad scren
<zid>
turn down
<Gog>
the CRT does not look its age
<zid>
real computer users don't go out in sunlight
<zid>
oh that kind of bright
<Gog>
yes
* kazinsal
hugs gog
* Gog
hug kazinsal
<kazinsal>
it's the original
<zid>
CRT bright = good, LCD bright = someone put 800W of LEDs behind it so they could claim 1 million to 1 contrast ratio
<kazinsal>
came from a school district in ontario
<Gog>
must've been owned by a little old lady who only turned it on on Sundays to play solitarie
<Gog>
oh
<Gog>
haha
<zid>
I'm honestly sick to death of people making shitty comments every time I post a screenshot from a website I've had the audacity not to use third party scripts to turn grey
<kazinsal>
which is funny because I remember having exactly one of these in my third grade classroom in BC many years ago
<zid>
just because I'm not on a telephone with a backlight set to "full california sun"
<zid>
and they are, but indoors
<kazinsal>
I haven't managed to find the right photo brightness for it but irl it's basically paper white
<kazinsal>
not insane brightness but enough that it isn't dim enough to notice
<kazinsal>
for a 35-ish-year-old CRT it's basically brand new
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<immibis>
zid: my monitor's *lowest* brightness setting is comfortable most of the time, except in pitch dark. Anything brighter is too bright.
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<heat>
Gog, why are you capitalized now
<heat>
is this Big Gog
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<Ermine>
Big Gog needs Big Pets
<Gog>
MEOW
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* sham1
pets Gog bigly
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* Gog
PRR
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<heat>
GOG_PRR_PROTOCOL
<Gog>
yes
<Gog>
all caps for struct decls
<Gog>
what a good convention
<GeDaMo>
Are you capitalized to go to a fancier chat? :|
<heat>
it's not a struct decl, it's a TYPEDEF
<immibis>
it's obviously a macro or enum constant
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<bl4ckb0ne>
does anybody know about a freestanding printf/sprintf that works with char16_t for this damn OutputString func
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<heat>
bl4ckb0ne, gnu-efi has a great one you can use :P
<bl4ckb0ne>
im not using gnu-efi but ill take a look thanks
<heat>
i know, was snark
<heat>
the gnu efi impl should be GPL or LGPL or something
<heat>
probably LGPL
<bl4ckb0ne>
dunno whats the license on hboot
<bl4ckb0ne>
gplv3 it seems
<bl4ckb0ne>
it has a fairly good printf like func but i got it to choke because of the file info FileName field is char16_t
<bl4ckb0ne>
tfw gnu-efi is on sourceforge
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<bl4ckb0ne>
oh maybe I could just FatToStr it
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<bl4ckb0ne>
ugh zircon doesnt have the unicode protocol
<heat>
hav u considered just handrolling it
<heat>
thx
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<Ermine>
take some sprintf and convert results to utf16
<heat>
like, here's a funny hint: most EFI firmware does not bother doing any sort of interesting collation
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<bl4ckb0ne>
heat: yes but im lazy
* bl4ckb0ne
writes the unicode protocol struct
<bl4ckb0ne>
Ermine: freestanding env
<Ermine>
bl4ckb0ne: sprintf just does the formatting. It should work in efi environment without much effort, no?
<bl4ckb0ne>
i dont think so
<bl4ckb0ne>
yeah undefined ref
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<heat>
bl4ckb0ne, seriously don't bother with that protocol
<heat>
handroll your own stuff
<heat>
a naive impl is just something like "u16str = malloc(strlen(str) * 2 + 1); for (char in str) {u16str[i++] = 0; u16str[i++] = char;}"
<heat>
something like that
<heat>
(you can also just not malloc)
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<heat>
actually, just "u16str[i++] = char;", assuming char16_t *u16str;
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<heat>
you only need extra if you want to deal with !ASCII
<heat>
and even then, it's not very hard. UCS2 can only deal with unicode <= 0xffff anyway
<bl4ckb0ne>
id be good with only char16_t to char tbh
<bl4ckb0ne>
might not be worth the protocol indeed
<bl4ckb0ne>
maybe for strcmp
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<mjg>
heat_:
<mjg>
>
<mjg>
When can we expect the Itanium port? NetBSD would have a total monopoly now that Linux support will end.
<mjg>
maybe you could help out achieving world dominance
<Ermine>
mjg: porting onyx on itanium is better investment
<heat_>
it's very possible that itanium is coming back in a year or so
<heat_>
to linux
<mjg>
? :D
<mjg>
wtf
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<heat_>
pretty sure i linked this a week ago or so
<heat_>
linus is open to it coming back if the necrophiliacs can maintain it out-of-tree for a year or so
<mjg>
ok
<mjg>
that is ar easonble position
<mjg>
but it probably is not coming back
<Ermine>
We have a year then
<mjg>
these fucks demanding support for obsolete bullshit are notorious for making a fuss and not putting any of the effort
<Ermine>
ebay has itanium servers for 600-700$
<heat_>
they did make some of the effort
<heat_>
fixed some stuff
<Ermine>
mjg: nothing wrong if 'these fucks' are ready to support it
<Ermine>
heck, those servers are cheaper than some laptops
<mjg>
wtf MON
<heat_>
mon
<Ermine>
mon
<heat_>
those servers eat power like its nothing
<heat_>
an itanium server is not a replacement for a laptop
<heat_>
in computing power and in electricity costs
<Ermine>
Sure, but still
<Ermine>
x86 servers must be heavy on power. You need two power cables for them
<Ermine>
And they're noisy af
<mjg>
i would not be shocked if you could buy an x86 laptop in that price range
<mjg>
which can run emulation faster than the original hw
<Ermine>
well, that's why itanium is obsolete
<Ermine>
Oh, there's an itanium blad for $160
<Ermine>
Itаnium 9340. Probably ancient
<mjg>
yo check out netbsd showstopperz
<mjg>
PR #54761: nvme corruption on GENERIC without DIAGNOSTIC
<heat_>
nvme CORRUPTION on GENERIC without DIAGNOSTIC
<Ermine>
local jargon
<heat_>
local JARGON
<Ermine>
there's not a lot of CONTRIBUTORS, so maybe they understand each other
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<heat_>
is netbsd DEAD
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<mjg>
wtf fuckwads
<mjg>
GENERIC is a pretty well known default kernel name
<mjg>
DIGANOSTIC is self explanatory
<heat_>
LINUX KERNAL
<zid>
leenax kornel?
<zid>
does that run itanium?
<heat_>
yas
<Ermine>
#wayland people have a lot of words as well