#elliottcable on 2014-06-06 — irc logs at freenode.irclog.whitequark.org

2014-05-27 22:28 ELLIOTTCABLE changed the topic of #elliottcable to: a _better_ cult

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00:45 <ELLIOTTCABLE> hi

00:45 <purr> ELLIOTTCABLE: hi!

00:51 <ELLIOTTCABLE> katlogic: NSLd?

00:53 <ELLIOTTCABLE> joelteon: AH YOU'RE ON YOZ

00:53 <ELLIOTTCABLE> joelteon: is it as bad for you as it is for me? ;_;

00:53 <ELLIOTTCABLE> how are you successfully using it as an everyday computer?

00:54 <ELLIOTTCABLE> new Safari freezes the entire computer completely and totally when I click a link to a new page.

00:54 <ELLIOTTCABLE> opening System Preferences does the same, for about five or so minutes; and then once it's finally loaded and unfrozen, selecting a preference pane to open does the same, again.

00:54 <ELLIOTTCABLE> the computer as a whole is completely unusable.

00:54 <ELLIOTTCABLE> completely.

00:54 <ELLIOTTCABLE> ruined the next month of my life (or made it awesome? no computer? idk.) by impulsively upgrading. ddis

00:55 <ELLIOTTCABLE> no code for me.

00:55 <ELLIOTTCABLE> typing from my Windows gaming partition, lol. thx irccloud.

00:55 <purr> lol

01:13 <joelteon> ELLIOTTCABLE: system preferences works fine for me

01:13 <joelteon> safari won't launch

01:13 <ELLIOTTCABLE> whaaaaat

01:13 <joelteon> #MacOSX says my CPU is faulty (LOL)

01:13 <purr> LOL

01:13 <ELLIOTTCABLE> not just buggy, irreproducibly buggy!?

01:13 <ELLIOTTCABLE> also lol that channel

01:14 <joelteon> everything has been very interesting

01:14 <joelteon> i'm trying to rebuild stuff while coping with the lack of gcc

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03:27 <katlogic> ELLIOTTCABLE: National Security Letter

03:27 <katlogic> (gag order)

04:00 <joelteon> the national security letter is W

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07:25 <vigs> welp didn't wanna start a flame war. >_<

07:25 <vigs> sorry ELLIOTTCABLE

07:28 <vigs> shawn can be/is often an ass :<

08:08 <devyn> vigs: what happened?

08:09 <vigs> devyn: someone tweeted something along the lines of "name someone from Alaska who isn't socially inept," so I replied with Elliott's handle, and that guy replied with "blocked him ages ago, NEXT"

08:10 <devyn> …ahahahahahahaha

08:10 <vigs> what? :o

08:11 <devyn> don't worry about it. ELLIOTTCABLE has seen worse.

08:11 <vigs> oh boy

08:12 <devyn> I doubt he cares anymore

08:12 <devyn> he has people who appreciate him

08:12 <devyn> that's all that matters

08:12 <devyn> :)

08:12 <vigs> his replies suggested he was upset :P

08:12 <devyn> wweeeeellll

08:13 <vigs> arg so get this: PS2 sends a scan code upon a key-down event. When the key's released, it sends a key-up code (0xF0), and then goes back to sending the previous code

08:14 <vigs> I have no clue how to detect multiple presses of the same key by this thing

08:18 <devyn> are you doing osdev, vigs?

08:18 <devyn> :D

08:19 <vigs> Nope, think lower level than that @_@

08:19 <devyn> lower level than bare metal?

08:19 <devyn> a microcontroller?

08:19 <devyn> lol

08:19 <purr> lol

08:19 <vigs> devyn: I'm working on my final project for Computer Design: we spent the quarter building a CPU with VHDL (a hardware description language). Now we're writing the Assembly that runs on this architecture.

08:20 <vigs> The thing is, I didn't work on my CPU for a solid month, so I had to catch up in a few days (super easy tbh), but that leaves me with, well, tonight to finish my project

08:20 <devyn> ah that's cool

08:20 <vigs> yup

08:20 <devyn> I've always wanted to do that

08:21 <vigs> It's pretty cool, yeah

08:21 <vigs> I love the prof, too. He's super chill

08:21 <devyn> I built a CPU-like thing in Minecraft with RedstoneBlocks once

08:21 <devyn> er

08:21 <devyn> RedstoneChips

08:21 <vigs> wow, that's cool

08:22 <devyn> I didn't have an assembly but I had a simple machine code

08:22 <vigs> I spent some time "studying" for my Digital Design class (digital circuits, etc) by building circuits in minecraft lol

08:22 <devyn> unless that's what you mean, or are you actually writing an assembler?

08:22 <vigs> no, the assembler was provided.

08:22 <devyn> ah k

08:22 <vigs> I considered bootstrapping an assembler, actually :P

08:22 <vigs> maybe if I had more time

08:23 <vigs> it'd be tedious and boring, tbh

08:23 <vigs> *all* the LUTs

08:23 <devyn> meh, I don't think it would be that complicated to write a simple assembler in a high-level language and then write it again in that assembly language and assemble it

08:24 <vigs> ¯\_(ツ)_/¯

08:24 <devyn> I actually enjoyed writing x86 asm when I did

08:24 <devyn> it was kinda fun

08:24 <vigs> lol

08:24 <devyn> haha

08:24 <purr> lol

08:24 <devyn> though I don't think I'd want to write an assembler for x86. it's a PITA architecture

08:25 <devyn> the encoding is ridiculous

08:26 <devyn> vigs: have you looked at this? http://wiki.osdev.org/PS/2_Keyboard

08:26 <devyn> when I was debug-printing PS/2 commands it looked pretty simple; not like you're describing

08:27 <vigs> yeah, but I think I might have to send a signal TO the keyboard and that's too much work for 1:30 AM

08:27 <vigs> I'm working on a workaround

08:27 <vigs> (that involves modifying the hardware to make the PS2 lines an inout)

08:27 <devyn> based on the debug output I got, no…

08:27 <vigs> ¯\_(ツ)_/¯

08:27 <devyn> though you will have to be able to send data to the keyboard IIRC

08:28 <devyn> but not for just reading keys I thiiink

08:28 <vigs> I'm gonna look into it after I got this working (sans multiple same-key presses)

08:28 <vigs> s/got/get

08:29 <devyn> vigs: http://i6.minus.com/ibhm10HPEZ1pCw.png - when I type aaaa I get 1e 9e 1e 9e 1e 9e 1e 9e

08:30 <vigs> devyn: yeah, but you're not pressing and holding ,are you?

08:30 <devyn> ohhhh yeah vigs when I do that I get 1e 1e 1e 1e … 9e

08:31 <vigs> based on the data sheets I read (and the stuff the prof provided), the key-up code is 0xF0, though .__.

08:31 <vigs> (mildly amusing because F-Zero)

08:31 <devyn> I never get F0

08:31 <vigs> yeah

08:31 <vigs> that's strange

08:31 <devyn> maybe a different mode?

08:31 <ELLIOTTCABLE> What

08:31 <vigs> Because my CPU definitely detects an F0 code on key-up

08:31 <vigs> hi ELLIOTTCABLE

08:31 <vigs> why're you up? .__.

08:31 <devyn> for all keys, vigs?

08:32 <vigs> devyn: oui

08:32 <devyn> hm

08:32 <devyn> vigs: ahhh looks like http://wiki.osdev.org/PS/2_Keyboard#Scan_Code_Set_2

08:34 <vigs> ah

08:34 <ELLIOTTCABLE> was just cleaning out my mill a bit, and am now watching some teevee

08:34 <ELLIOTTCABLE> Was waiting for my phone to charge

08:34 <vigs> Isn't it like 3 or 4 AM? .__.

08:34 <ELLIOTTCABLE> … I vaguely want to take a video of my lab "booting up."

08:35 <ELLIOTTCABLE> I hit the wall switch, and about ten different pieces of equipment turn on, make noises, boot, or light up.

08:35 <vigs> ooh

08:35 <ELLIOTTCABLE> it's surprisingly impressive in a banal way.

08:35 <vigs> sounds very Iron Man-ish

08:36 <ELLIOTTCABLE> Just noticed it today, never really noticed before, because I usually have a goal when I go in there, lol.

08:36 <purr> lol

08:37 <ELLIOTTCABLE> LOL iron man

08:37 <ELLIOTTCABLE> well it's not THAT cool.

08:37 <devyn> ELLIOTTCABLE: I wanna see a video o.o

08:37 <ELLIOTTCABLE> Can't figure out how to prop up my iPhone to take it while I go take the shot. I need a gorillapod. :P

08:37 <devyn> I kinda feel that way when I turn on my desktop because it has a shitton of fans and lights and it's like ooo

08:38 <devyn> and a lot of heatpipes.

08:38 <ELLIOTTCABLE> bahhahah

08:38 <ELLIOTTCABLE> This setup would be cooler if it had that.

08:39 <ELLIOTTCABLE> It's got a laptop on a stand, and an external display over the bench-tool shelf

08:40 <ELLIOTTCABLE> but it's a Mac. Far less in line with all this gear.

08:40 <vigs> I need a desktop

08:41 <vigs> like, a badass tower

08:45 <devyn> vigs: https://www.dropbox.com/s/6l3d4avh0h30nva/IMG_20140606_014340.jpg

08:45 <devyn> good enough?

08:46 <vigs> rad

08:46 <devyn> recently got a second GPU

08:46 <devyn> not really intentionally but my friend didn't need it

08:46 <devyn> so I bought it

08:46 <devyn> heh

08:47 <vigs> nice

09:30 <vigs> I've made negative progress

09:30 <vigs> I should've made this a git repo

09:38 <whitequark> PS/2, why do you even use it

09:38 <whitequark> it's so absurdly obsolete.

09:39 <vigs> whitequark: because it's an available port on this development board that my CPU is on

09:39 <whitequark> -_-'

09:50 <vigs> fuck, I can't even get my interrupt service routine to output shit anymore

09:50 <vigs> fuuuuck

09:57 <vigs> half considering staying up all night at this point

10:00 <whitequark> have you poked the PIC after serving the interrupt?

10:00 <whitequark> you need to send EOI seq

10:18 <vigs> The hardware's fine

10:18 <vigs> I've tested that

10:18 <vigs> This is an asm problem, I'm like 98% sure

10:42 <whitequark> hm?

10:43 <whitequark> you need to send an End-of-Interrupt sequence to the PIC so it will raise the interrupt another time

10:43 <whitequark> or does it not even fire a single time?

10:55 <vigs> Well, first off, it's not a PIC. :P

10:56 <vigs> On the hardware level, interrupts are doing their thing: the Program Counter is loaded to point to the ISR, interrupts are disabled while that runs, etc.

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12:20 <whitequark> not a PIC?

12:21 <whitequark> hm, you have PS/2 on non-x86?

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12:33 <vigs> whitequark: yes, it's a CPU architecture we had to implement ourselves for this class

12:33 <vigs> the professor came up with the architecture when he designed the course

12:34 <vigs> the sun's coming up

12:34 <vigs> considering just saying up now

12:34 <vigs> okay leaving for my apartment o7

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13:10 <whitequark> oh

13:10 <whitequark> wow, that's a cool class

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16:16 <devyn> whitequark: ikr? totally want

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16:17 <whitequark> eh, you could as well learn it yourself

16:18 <whitequark> I'm more celebrating the fact that not all higher education is pointless shit

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22:13 <glowcoil> whitequark: so far my math classes have been the least pointless shit of my higher education

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22:58 <alexgordon> glowcoil: ha

22:58 <alexgordon> glowcoil: told you :P

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