RE: https://wandering.shop/@xgranade/117436283655377215
I did get tired of Ubuntu telling me they has super important security updates but they weren't going to share them with me unless I signed up for paid support. Going to Debian fixed that problem for me.
When the war really hits home for your average Russian ... 🤣
Today in ancient #graphics lore. So the web says the ANSI 256 color pallet encodes a 6 x 6 x 6 color cube in colors 16 to 231. Which has the primaries going from 0 to 255. But that creates duplicates of full white, red, green, blue, cyan.magenta, yellow and black. If you assume full colors are there you could spread the cube over 32 - 224 and get fewer duplicates? (although the half brights would be duped). Hmm..... help?
People are REALLY invested in believing that AI can think.
I spent years hoarding my Karma on HN so I could spend it like this 😄
So I got the display to now work in 'color lookup table' (CLUT) mode with 8 bit pixels indexing into a 256 color palette. This picture is the palette that was standard in the Color Macintosh. The unseen bit here is that I verified I could declare a const uint32_t array and have it stay in FLASH (rather than consume RAM) and load it into the lookup table.
Here in California certain highways are really little more than guideways for thousands upon thousands of 18wheel trucks.
Yet these highways run roughly paralllel to railroads that carry enormous consists carrying nothing but containerized freight.
The railroads are far more efficient - whether that is fuel, emissions, or employees-per-ton/mile.
Many of those highway truck's cargo should be on trains - trucks are for local delivery or special loads tha don't fit on rail cars.
In a sensible world those truck's cargo would be on trains, but it is not.
Hedge funds have been ripping up railroads, leaving the US with barely enough trackage - squeezing dollars out rather than improving their offerings to induce truck cargo onto trains.
Once again, we are dying the death of a thousand cuts, caused by short-term "quick" profit and "shareholder value" nonesense.
Ah now with controllable brightness I can take a much better picture of the display with a web cam. Turns out the display wants a 10 kHz PWM signal for good results. (1MHz clock with 100 clock periods => 10 kHz adjustable period waveform) It will go all the way down to 1% PWM, but doesn't "light up" from full dark until you get to 8% PWM.
Claude? What does the sound of a giant piece of poo hitting the fan sound like?
https://www.youtube.com/watch?v=Fuo1i_-9Frc
That's darling! Keep yer lap warm on chilly nights. 🤭
@RaphaelWimmer I can't believe I wasn't already following you
The question arises because all Cortex-M series ARM chips have the 'Debug Peripheral' built in, it should be possible to build a front panel that connects to that and you could program/operate the machine from the front panel. 2/2
#arm #computing #design
I've been looking at my PDP-11/70 replica. It has a wonderful front panel which gives you a sense of what the machine is doing. It also allows you to start a program just by toggling in machine code. Seems like DEC tried to get more creative with the 11/34 "programmers panel" but what could we do today with the resources we have available? 1/2
I'm replying "Fuck you! I'm voting YES on 40 and NO on 42 and 43. Yes I want to tax your billionaire asses like yesterday."
To all the texts I'm getting from the no on 42 and no on 43 folks.
Well it took waaaaaay longer than it should but I got the display working on this dev board. It's 800 x 480, part of the "spi-term" medium program. At some point I'm wondering if I can use the LTDC peripheral to drive an 800 x 600 VGA monitor. It's also using 768K of the 3M of on-chip SRAM for the frame buffer. An alternative implementation would be to build the framebuffer in an FPGA with an OctoSPI interface. (or Hexadeca spi).
I’ll say this, @lcamtuf sure can troll HN commentators 😀
The print version of the onion goes hard …
