Gregorio Nacu
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opcoders.bsky.social
Gregorio Nacu
@opcoders.bsky.social
I wrote C64 OS in 6502 assembly, coded on a C128. Coder, Designer. C64, Amiga, Mac User. Classic Star Trek & Megadeth Fan. Esperantist. Father. Pagan. Mason.
If you haven’t seen the DragZoom feature in Image Search for C64 OS, it’s pretty darn cool. 😎 #C64 Check this out.
August 8, 2025 at 4:13 PM
Here’s a cool new feature coming in C64 OS v1.08. The ability to rename your desktops in App Launcher. It’s pretty great, check it out. #C64
June 25, 2025 at 6:05 AM
Alright, working with the TeensROM dev who has been improving the firmware support for the emulated modem, I just got a driver for C64 OS working with it. Pretty cool. Goes out in beta shortly. #C64
June 10, 2025 at 5:01 PM
Preview of a new feature coming in C64 OS v1.08, a new Utility built into File Manager for changing a file’s CBM File Type. #C64
June 5, 2025 at 2:27 AM
Someone on X replied to me with this Star Trek meme. It inspired me to convert it to a CGFX animation. Hilarious, love it. #C64 #StarTrek
May 29, 2025 at 11:08 PM
I’ve improved the C64 OS autoboot process on a C128. #C64 #C128

Hold the C= key to skip autoboot and start at READY in 64 mode.

Hold the CTRL key to skip autoboot and start at READY in 128 mode.
May 12, 2025 at 8:34 AM
An updated version of Desktop Designer is coming soon! #C64

- Added support for loading and saving Hires Sprite data files,
- Improvements for joystick and KoalaPad input,
- Dramatically improved draw performance, and
- New feature: guide templates for sprites and icons.
May 10, 2025 at 6:04 AM