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00:53:50 <Croran> I got that Mecrisp Stellaris running recently.
00:53:54 <Croran> Pretty cool stuff!
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01:00:16 <Croran> Oh I guess it's probably past everyone's bedtime :)
01:00:45 <proteusguy> 3p here in Bangkok! But yeah - most everyone is asleep otherwise. ;-)
01:01:05 <jn__> 10AM here in central europe :)
01:01:24 * jn__ gotta try mecrisp on RISC-V at some point
01:02:02 <Croran> This mecrisp is great. Payed $3 for the STM32 board, and $2 for the ST-LINK JTAG-to-USB adapter.
01:02:10 <Croran> And the thing has been rock solid.
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01:02:41 <proteusguy> Just confirming it works so far or got something going on with it?
01:03:47 <Croran> Blinking LED at different rates and learning how storing words to the NAND works right now.
01:04:06 <Croran> But one thing you may find interesting is I was able to get the USB connection to my PC working instead of TTL Serial.
01:04:49 <proteusguy> That's extremely helpful!
01:05:15 <Croran> yeah! I haven't even bothered to solder on the included pins.
01:05:48 <WilhelmVonWeiner> Croran: yeah, mecrisp is awesome
01:05:57 <WilhelmVonWeiner> when I have some time I need to make a robot with it
01:06:19 <Croran> it's a big upgrade from doing Arduino with the Arduino IDE
01:06:35 <Croran> 72MHz and interactive programming
01:08:28 <Croran> and apparently I didn't even need to buy the JTAG adapter. supposedly there's a way to flash mecrisp to it with just a USB-to-TTL adapter.
01:09:28 <Croran> the JTAG thing is neat though, apparently it lets me view the RAM and NAND data while the device is running...
01:11:15 <proteusguy> sweet... I may have to acquire a few.
01:12:22 <Croran> the built-in multitasking support is pretty sweet too
01:13:03 <Croran> I was able to set up my LED blinking to run in the background :)
01:13:29 <PoppaVic> hmm, I think I paid about $20 for the edu-jtag at adafruit
01:14:26 <Croran> I bought the off-brand one. 5 weeks shipping on a slow boat from China :)
01:14:32 <PoppaVic> ah
01:14:49 <PoppaVic> I thought about it, but my luck with chinee 'lectrics is spotty.
01:15:26 <Croran> appears J-link may have some additional functionality beyond the one I have.
01:15:58 <PoppaVic> Yeah, I checked my "worked" when I got it - and it does run, but I've been avoiding mucking up the samd's
01:17:57 <PoppaVic> my/mine
01:18:40 <PoppaVic> Anyway, it offers to be far more complicated than the avr's I am used to, but also a much more vast space to work in
01:24:17 <Croran> Yeah that J-link/Segger software looks interesting. I think I ended up with pretty bare-bones functionality in contrast. I'm just using the stlink-tools and stlink-gui FOSS packages for linux.
01:25:43 <PoppaVic> yeah, I went the Adafruit Feather & itsy-bitsy route - atmel samd21 & 51.. The prices seemed tolerable for a 'merican board.
01:27:56 <WilhelmVonWeiner> I always get em off amazon or ebay
01:28:11 <WilhelmVonWeiner> anything else - you're probably being ripped of 
01:30:33 <Croran> do any of you use the 'e4thcom' terminal?
01:42:49 <Croran> it appears to give some nice quality-of-life features like command line editing/history, automatic source code upload to your device, and even a disassembler for some platforms (not for STM32 yet unfortunately)
01:58:43 <Croran> I successfully uploaded the mecrisp disassembler sample code to my device, so I'm having fun disassembling the built-in words now.
01:59:35 <WilhelmVonWeiner> no, I use picocom or just some python shell I whipped up 
02:00:24 <Croran> I'm enjoying this "#include" command in e4thcom for uploading local source files. Seems pretty handy.
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03:13:29 <Croran> I just found this really interesting article about $1 microcontrollers. 
03:13:29 <Croran> https://jaycarlson.net/microcontrollers/
03:16:51 <jn__> at some point i want to make an 80s-style home computer (with VGA and keyboard connections) from a cheap microcontroller
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07:06:33 <tabemann> hey guys
07:09:26 <dave0> hi tabemann 
07:18:56 <tabemann> okay, gotta go off to work now
07:18:58 <tabemann> bbl
07:23:30 <dave0> cya tabemann !
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10:35:18 <pointfree> "A descriptor based approach to Forth strings - Ulrich Hoffmann and Andrew Read" - https://mastodon.social/@cstrotm/101875135979507265
10:37:06 <PoppaVic> pointfree: https://www.complang.tuwien.ac.at/anton/euroforth/ef18/papers/read.pdf
10:38:53 <pointfree> https://wiki.forth-ev.de/doku.php/events:ef2018:strings [VIDEO]
10:39:45 <PoppaVic> heh
10:39:49 <pointfree> PoppaVic: are mastodon links to be avoided?
10:39:57 <PoppaVic> Yes, I always look for videos for my code ;-)
10:40:18 <PoppaVic> I love mastodons: excellent over mesquite.
10:46:00 <pointfree> mastodon is piloting the EU blockchain based social credit system https://eunomia.social/ matrix.org was also listed as a participant yesterday but it looks like they withdrew.
10:46:42 <PoppaVic> oh, the EU - I remember those commies.. Check back in a century.
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13:55:20 <dave0> hi
14:18:24 <pointfree> Hi dave0 
14:19:32 <dave0> hi pointfree 
15:22:57 <ttmrichter> How to tell a project is made almost entirely of failure, lesson #37: The term "blockchain" is used in describing it.
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19:45:08 <yunfan> hi, had anyone ever tried seedforth?
19:45:18 <yunfan> just saw it from reddit
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19:52:14 <presiden> seedforth?
19:52:18 <tabemann> hey guys
19:52:35 <presiden> yunfan, premium vegetable seed?
19:52:49 <rdrop-exit> hi guys, never heard of seedforth
19:54:05 <yunfan> presiden: just check /r/forth 
19:54:34 <yunfan> there's a pdf talking about it, but i havnt found its repo or any download link to try it
19:56:29 <tabemann> I got autocomplete working for my line editor
19:56:32 <rdrop-exit> Seems high-level for a seed
19:56:46 <rdrop-exit> Cool tabemann
19:57:23 <tabemann> to be really complete I just need to add search features and saving history to disk
19:58:10 <tabemann> but I'm too lazy to bother implementing those
19:58:17 <rdrop-exit> :)
20:04:49 <rdrop-exit> I don't have autocomplete, not sure I'll ever add it
20:05:00 <tabemann> I just added it because I could
20:08:04 <yunfan> tabemann: by line editor do you means tools like ex?
20:08:20 <tabemann> yunfan: I mean like readline
20:09:02 <tabemann> you know, allows history, cut and paste, editing that crosses multiple rows on the terminal, autocomplete, etc
20:09:34 <rdrop-exit> I'd need to implement an incremental lookup first
20:09:36 <yunfan> tabemann: ah
20:09:39 <tabemann> even the most basic line editor allows you to move the cursor back and forth and insert text
20:09:52 <yunfan> tabemann: well like rlwrap :D
20:16:27 <tabemann> I presume rlwrap doesn't allow you to autocomplete Forth words - heh
20:22:16 <tabemann> I should find a preexisting implementation of picture number formatting, because I really don't know how it works, but it probably is something I should include for completeness's sake
20:26:51 <rdrop-exit> Starting Forth probably has a tutorial on number formatting.
20:31:54 <rdrop-exit> I'm pretty sure mine deviates from the standard in a few points.
20:33:12 <rdrop-exit> I'd have to check the 83 and ANSI standards to check where exactly.
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20:35:16 <rdrop-exit> Probably areas related to BASE and doubles.
20:37:13 <rdrop-exit> Since I don't have either on the PC.
20:39:33 <pointfree> yunfan: seedforth? https://github.com/uho/preForth/tree/master/preForth
20:39:34 <pointfree> https://www.reddit.com/r/Forth/comments/bbe4xj/forth_a_new_synthesis_progress_report_growing/
20:41:41 <rdrop-exit> I just downloaded the video
20:47:26 <rdrop-exit> From the intro to the paper, seems very high level for a "seed", e.g. stacks of queues, string descriptors, regular expressions, etc...
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20:59:02 <dave0> hi
20:59:51 <rdrop-exit> Hi dave0
21:03:28 <dave0> hi rdrop-exit 
21:11:11 <proteusguy> ttmrichter, I'm about to build a forth for building cryptoledger/blockchain systems.... :-) But yeah - I generally agree with you. See https://www.youtube.com/watch?v=booDqTGk0mo for my thinking about this kind of stuff.
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21:30:35 <yunfan> pointfree: it also include seedforth?
22:04:39 <rdrop-exit> Fun with old-timey 7-bit ASCII:
22:04:59 <rdrop-exit> 1
22:05:00 <rdrop-exit> 2 >ascii Zero out all but the low 7 bits of a cell.
22:05:00 <rdrop-exit> 3
22:05:00 <rdrop-exit> 4 ~ctrl  Control toggle. Translate a control character to the
22:05:00 <rdrop-exit> 5        corresponding "caret notation" display character or
22:05:02 <rdrop-exit> 6        vice-versa. In the display to control direction this
22:05:04 <rdrop-exit> 7        is only applicable to display characters in the range
22:05:07 <rdrop-exit> 8        $ 3f .. 5f, i.e. the valid "caret notation" characters:
22:05:09 <rdrop-exit> 9        ?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_
22:05:12 <rdrop-exit> a
22:05:14 <rdrop-exit> b c@     Fetch byte at <a> and strip its high bit.
22:05:17 <rdrop-exit> c
22:05:19 <rdrop-exit> 0 source  ASCII - Conversion
22:05:22 <rdrop-exit> 1
22:05:24 <rdrop-exit> 2 : >ascii ( x -- c ) $ 7f and ;inline
22:05:27 <rdrop-exit> 3
22:05:29 <rdrop-exit> 4 : ~ctrl ( dc|cc -- cc|dc ) $ 40 xor ;inline
22:05:32 <rdrop-exit> 5
22:05:34 <rdrop-exit> 6 : c@ ( a -- c ) b@ >ascii ;inline
22:05:37 <rdrop-exit> 7
22:05:39 <rdrop-exit> 0 shadow  ASCII - Classification
22:05:42 <rdrop-exit> 1
22:05:44 <rdrop-exit> 2 ascii?     Is <x> an ASCII character?
22:05:47 <rdrop-exit> 3
22:05:49 <rdrop-exit> 4 display?   Is <x> an ASCII display character?
22:05:52 <rdrop-exit> 5
22:05:54 <rdrop-exit> 6 ^notation? Is <x> a valid "caret notation" character?
22:05:57 <rdrop-exit> 7
22:06:00 <rdrop-exit> 8 ctrl?      Is <x> an ASCII control character?
22:06:02 <rdrop-exit> 9
22:06:05 <rdrop-exit> 0 source  ASCII - Classification
22:06:07 <rdrop-exit> 1
22:06:10 <rdrop-exit> 2 : ascii? ( x -- -1|0 ) $ 7f u<= ;inline
22:06:12 <rdrop-exit> 3
22:06:15 <rdrop-exit> 4 : display? ( x -- -1|0 ) bl ascii ~ between ;inline
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22:06:17 <rdrop-exit> 5
22:06:20 <rdrop-exit> 6 : ^notation? ( x -- -1|0 ) ascii ? ascii _ between ;inline
22:06:22 <rdrop-exit> 7
22:06:25 <rdrop-exit> 8 : ctrl? ( x -- -1|0 ) ~ctrl ^notation? ;inline
22:06:27 <rdrop-exit> 9
22:06:30 <rdrop-exit> Life was so simple :)
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