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Retrograde

@Retrograde@oldbytes.space

Retro computing enthusiast and Commodore 64 aficionado.

Software professional, hardware dabbler.

Gen X. Luddite. Humanist. Socialist. Environmentalist. (And lifelong closet goth.)

#retrocomputing #electronics #humanism #socialism #privacy #smallweb #permacomputing #nobots #noAI #nofascists

Come for the retrocomputing & electronics posts, run away from the unfiltered left-wing outlet. ¯\_(ツ)_/¯

Follow requests from actual humans welcome.

"AI" use = insta-block

0 Followers

0 Following

12 Posts

Joined October 10, 2018

Pronouns:

he/him

Gemini:

gemini://retrograde.dk

IRC:

ircs://irc.libera.chat:6697/#c64

Human:

https://retrograde.dk/human.json

Posts

Retrograde @Retrograde@oldbytes.space · Jun 27, 2026

Boosted by

Furbland's Very Value = 71 Account™ @GroupNebula563@mastodon.social

Replying to @mullvadnet@mastodon.online

@mullvadnet@mastodon.online @lostgen@det.social What a disappointing stance. Account abandoned.

Retrograde @Retrograde@oldbytes.space · Apr 30, 2026

RE: @emilymbender@dair-community.social

"Your mom's so fake she requires an entire data centre" 😆 I do enjoy the childish AI taunt pick-me-ups between the fresh AI hell despair manifestations in this episode. 🥲

Retrograde @Retrograde@oldbytes.space · Apr 29, 2026

Activating the 3D board preview in KiCad is by far the fastest way to log out of my workstation PC, currently.

Display server dies instantly, no questions asked.

Enjoyed the long stretch without problems like this, but I guess I will have to turn off the hardware accelleration again. 😐

Retrograde @Retrograde@oldbytes.space · Apr 26, 2026

Been reorganising and partly rewriting the low level SD card SPI code for the W65C265SXB. Couldn't get anything to work reliably. Weird noise on the MISO line, not the clean idle state, but still some kind of response to the initialisation sequence.

Checking for dodgy jumper wire connections, trying out old revisions of the code, etc.

Then finally realised that I had not turned on the power supply output to the SD card, so whatever it was doing was off whatever current it was leeching off the signal lines, through internal paths.

I think I'll go to bed now.

Retrograde @Retrograde@oldbytes.space · Apr 25, 2026

Replying to @bjonte@oldbytes.space

@bjonte@oldbytes.space Next annoyance: whether a routine can be called as near (16 bit) or far (24 bit) is baked into the choice of return instruction in the routine (RTS vs RTL). 😭

Retrograde @Retrograde@oldbytes.space · Apr 25, 2026

Replying to @bjonte@oldbytes.space

@bjonte@oldbytes.space I understand it gives good flexibility to jump in and out of 8/16 bits modes as needed, while maintaining tight code density. But it *is* pretty annoying, also when writing code. Either you need to defensively set modes in code, or carefully document (and adhere to) assumptions for each routine. And constantly having to give the assembler cues as well, as it cannot be trusted (nor expected, really) to keep track of what's going on. And while the states can be pushed and popped at runtime in the CPU, ca65, which I use, can only set the states to explicit values. Other assemblers may be better in this respect...

Retrograde @Retrograde@oldbytes.space · Apr 25, 2026

Replying to @bjonte@oldbytes.space

@bjonte@oldbytes.space Besides being oddly inconsistent (addressing modes don't affect flag effects, come on!), it must somehow sidestep the regular ALU path. Seems like it ought to be more work to not behave like everything else does. 🤷‍♂️

Retrograde @Retrograde@oldbytes.space · Apr 25, 2026

Supporting immediate mode for the BIT instruction is a nice addition to the 65816, but ... it only sets the Z flag, unlike all the other modes which set N and V as well?! What a kludge. 😬

Retrograde @Retrograde@oldbytes.space · Mar 25, 2026

Slopless vim fork by Drew DeVault :blobthumbsup: https://drewdevault.com/2026/03/25/2026-03-25-Forking-vim.html

drewdevault.com

A eulogy for Vim

Retrograde @Retrograde@oldbytes.space · Mar 20, 2026

Replying to @fasterandworse@hci.social

@fasterandworse To Ray-Ban in general, TBH.

Retrograde @Retrograde@oldbytes.space · Mar 18, 2026

Replying to @inversephase@masto.hackers.town

@inversephase@masto.hackers.town IDK, this looks pretty aggressive to me. :blobsweat:

Retrograde @Retrograde@oldbytes.space · Mar 10, 2026

Replying to @lawprofblawg@mstdn.social

@lawprofblawg@mstdn.social The research game? :blobthinking:

Retrograde

Posts

A eulogy for Vim

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