HNHacker News
TopNewBestAskShowJobs

roygbiv2

170 karma · joined November 20, 2019

submissionscomments
roygbiv2··on Z80 – The 1970s Microprocessor Still Alive (2021)
It's actually fairly easy and interesting to design your own z80 computer. I went from knowing about assembly and pcb design to a z80 computer with a serial interface and memory banking. Learnt a lot on the way an went on to build pcbs for other projects with the knowledge I had gained from that.
roygbiv2··on The Lost Treasure of Sid Meier's Pirates
My father lived in a different part of the country and copied the game for me. He spent I've no idea how long at the photocopier copying that manual for me. I loved that game, mainly because the manual had absorbed his cigar smoke and reminded me of him.
roygbiv2··on Jellyfin founder Andrew leaves team
I can browse to jellyfin on my phone, ipad, laptop, TV etc watch any format (since it will transcode on the fly) and watch whatever I was watching from wherever I left it. It will also obviously know where I'm up to in any series so if I start watching something else I can go back to it at a later date.
roygbiv2··on Show HN: See each Law of UX broken, then fixed, in a live demo
Gosh I hate most of these and I feel like most of them don't actually benefit the user. Zeigarnik Effect for example, the forced need to get 100% completion which definitely does not benefit the user.
roygbiv2··on Linux on the Atari Jaguar
An a4000..wow my dream machine. I have an ACA1221lc[0] in there. A firm believer in real hardware. I really want an easy way of swapping out the cf card so I can make my fuzix port bootable and easily reflash the card.

For the moment I have a floppy disk that loads my network card drivers and then copies the kernel over the network into ram. That makes debugging things way easier than having to burn a floppy with every code change.

[0] https://wiki.icomp.de/wiki/ACA1221lc

roygbiv2··on Linux on the Atari Jaguar
I've been slowly working on getting fuzix working on my amiga 1200. It boots the kernel I just don't have a file system for it yet. Though my 1200 has ~10MB RAM.
roygbiv2··on Computer use in Gemini 3.5 Flash
Why would they make their own product look worse?
roygbiv2··on Ask HN: What are tools you have made for yourself since the advent of AI?
Ah the radio station has an api. I was thinking you were doing song matching or something, nope much simpler than that!
roygbiv2··on Lies we tell ourselves about email addresses
I seem to spend half my life logging into thing's, confirming 2fa,confirming biometric data. Then when I go back to the first thing it's timed out and I have to sign in again.
roygbiv2··on Ask HN: What are tools you have made for yourself since the advent of AI?
Very interesting! How does it work?
roygbiv2··on Ask HN: What are tools you have made for yourself since the advent of AI?
I started something similar but for Sydney with the ultimate goal of being an agent simulator, simulating everyone going to work etc. Project got a bit unwieldy and is on hold while I mull it's future over.
roygbiv2··on Buildcraft Is a Compiler Problem
Quarries were great but I hated the big hole it left in the ground.
roygbiv2··on Appearing productive in the workplace
That has nothing to do with using AI, if the dev didn't check their work then that is being a bad dev.
roygbiv2··on Appearing productive in the workplace
Lazy or efficient? A dev could spend an hour on something or 10 mins, if the outcome is the same what's does it matter?
roygbiv2··on 245TB Micron 6600 ION Data Center SSD Now Shipping
The tears of sysadmins are fairly cheap though.
roygbiv2··on Alignment whack-a-mole: Finetuning activates recall of copyrighted books in LLMs
And how much does the hardware cost to run said models?
roygbiv2··on SpaceX says it has agreement to acquire Cursor for $60B
Because cursor gives you access to tons of different models, not just the Claude models.
roygbiv2··on Anonymous request-token comparisons from Opus 4.6 and Opus 4.7
Well fuck that then
roygbiv2··on A new spam policy for "back button hijacking"
There are still BBS you can access via telnet (and actual dial up if you really want), after the fifth one asks you for your full name, street address and phone Humber it gets a little old.
roygbiv2··on The curious case of retro demo scene graphics
> INSTALL DF0:

That gives you a standard OFS bootblock that returns to AmigaDOS. Mine is a custom bootblock, same DOS\0 magic and checksum format so Kickstart accepts it, but it never enters AmigaDOS.

> What I find mind-boggling is the handwave over the rest

Fair, I should have been more specific. The network driver is the popular cnet.device which is compatible with my PCMCIA ethernet card. It's loaded from fixed floppy sectors.

> it would be madness to try doing this in a bootblock

Agreed, and I don't. It's a multi-stage boot that stays at exec level throughout, AmigaDOS is never started, no process is created, no startup-sequence runs, _DOSBase is explicitly NULL.

The disk is a standard 880K ADF with no filesystem at all, it's just raw binaries at fixed sector offsets. The only ROM libraries used are exec.library, intuition.library and graphics.library for a debug display. Everything else is self-contained on the disk.

So you're right that it isn't the bootblock doing the networking.

roygbiv2··on The curious case of retro demo scene graphics
I used cursor with a mix of Gemini 3.1 and opus 4.6.

It referenced the Amiga ROM Kernel Reference Manual, appendix C to create a boot block in assembly. It's a raw sector-mapped image, the build process creates a blank adf, which then writes everything at it's fixed offsets and we go back with another tool to patch the bootblock with the right checksum so the kernel accepts it.

I copied that adf to the A1200 so I can then write it to a real floppy.

roygbiv2··on The curious case of retro demo scene graphics
There's definitely been success in using generative AI for vintage Computers. Just the other day I got it to produce a bootable floppy for my Amiga 1200. It loads the network driver, uses BOOTP to get an ip address, connects to a server and then downloads code via UDP that it will then execute. I doubt you'll get it doing amazing graphical scenes like you see in the demo scene though.
roygbiv2··on DOOM Over DNS
I've never had great luck getting iodine running anywhere. The one and only success I've had was on an aircraft where, after numerous attempts at different things, the best I could do is connect to an SMTP server and send an email manually.
roygbiv2··on DeployTarot.com – Tarot card reading for deployments
Not in Australia!
roygbiv2··on 1M context is now generally available for Opus 4.6 and Sonnet 4.6
Yeah I use a markdown to put progress in. It gets kinda long and convoluted a manual intervention is required every so often. Works though.
roygbiv2··on 1M context is now generally available for Opus 4.6 and Sonnet 4.6
I've found compactation kills the whole thing. Important debug steps completely missing and the AI loops back round thinking it's found a solution when we've already done that step.
roygbiv2··on F-16 Falcon Strike
Falcon 4.0 BMS is probably the best F16 simulator out there right now and it's 'free'
roygbiv2··on When square pixels aren't square
> Similar to how modern railroad track widths can be traced back to the wheel widths of roman chariots

This is repeated often and simply isn't true.

roygbiv2··on Show HN: Z80-μLM, a 'Conversational AI' That Fits in 40KB
Awesome. I've just designed and built my own z80 computer, though right now it has 32kb ROM and 32kb RAM. This will definitely change on the next revision so I'll be sure to try it out.
roygbiv2··on Show HN: KiDoom – Running DOOM on PCB Traces
Yeah but just liked an overclocked gpu, there's errors on those boards so you have to throw them away and wait for the for the next revision.
Page 1 of 5Next →