osolabstech.bsky.social
@osolabstech.bsky.social
A new Episode of the 20c, now The ROM Board.

en.osolabs.tech/the20c/the-2...

In this episode, we'll learn about the ROM chip, or Read Only Memory, which provides us with read-only memory. This memory will allow us to store all the instructions for our 20c.
OsoLabs.tech - The 20c - Episode 4 - Read Only Memory
ROM, Read Only Memory Episode 4 Introduction In this episode, we'll learn about the ROM chip, or Read Only Memory, which provides us with read-only memory. This memory will allow us to store all ...
en.osolabs.tech
October 2, 2026 at 1:54 PM
Commodore 64, 1571, 1942 and Coffee
September 27, 2026 at 8:26 PM
In a Bar of Buenos Aires
September 25, 2026 at 11:52 PM
With @crespiguillermo.bsky.social we are trying to reconstruct an old Magnavox type console and one of the chips is a ti sn76426, we know it is a character generator but we do not have any info about pin outs of anything. Looking for help! @nathaniellockhart.bsky.social @charleshawn66.bsky.social
September 17, 2026 at 9:37 PM
Episode 3 of the 20c

Use the OpenSource Duino Protocol analyzer to study all the buses of a 6502 processor.

en.osolabs.tech/the20c/the-2...
September 15, 2026 at 4:59 PM
Reposted
I’d forgotten to add the SP0-256 speech chip to the retro Opcodes app.

But why stop at just adding the chip information?
August 23, 2026 at 4:05 AM
Wiring new Glue Logic, now with more RAM with 28k , 4k for 10 I/O devices and 32k of ROM
August 20, 2026 at 3:40 PM
Reposted
No worries, all the documentation and production files are right here, so you can make a batch through whatever PCB fab you like! I just offloaded my extras to clear out some stuff.
github.com/eduardocasin...
GitHub - eduardocasino/kim-1: MOS KIM-1 Single Board Computer replica
MOS KIM-1 Single Board Computer replica. Contribute to eduardocasino/kim-1 development by creating an account on GitHub.
github.com
August 19, 2026 at 6:22 PM
Together at last!! Today arrived the Kim-1 pcb thanks to @nathaniellockhart.bsky.social !! Now lets build it!!
August 19, 2026 at 1:36 PM
Way to go @freeze64.bsky.social !! The longest running Commodore 64 magazine of all time???
FREEZE64 independent magazine.
10 years Serving the #Commodore64 Community.
86 issues and 3 specials still available in stock.
Thank you to everyone who subscribes, reads, follows and contributes.
Here's to the next 10 years!
FREEZE64.com
#C64 #RetroGaming #IndieGames
August 18, 2026 at 11:51 AM
Reposted
Hey, #Commodore64 Gamers!
Presenting the FREEZE64 POKES SPECIAL ISSUE VOL.2.
We crack open the trusty Hackersoft Pads and dish out fresh POKES 'N' CODES for both classic and newly-minted
Commodore 64 games + A FEW EXTRAS TO ENJOY!
Preorder your copy TODAY:
freeze64.com/freeze64-iss...
August 17, 2026 at 6:03 AM
Working on an IEC board to connect my 1541 to the 20c
August 13, 2026 at 12:55 PM
The20c, an Open Source modular 6502 based computer, see more at en.osolabs.tech
August 12, 2026 at 3:16 PM