Wow, I didn't know until today that anyone had ever written an OS for the TI-89/TI-92 calculators.

ticacl.org link: https://www.ticalc.org/archives/files/fileinfo/319/31951.html

And someone else has made one too! Called Punix: http://punix-os.blogspot.com/

The author of Punix has also published a skeleton OS for anyone else who wants to play with it: https://www.cemetech.net/forum/viewtopic.php?t=7345&start=0

Good description of a simple preemptive, single-stack task scheduler for an embedded RTOS.

Adam Bard started a little web service that now makes $1,000/mo. This is the sort of thing I need to do.

Python's syntax for nested list comprehensions always seemed backwards to me; here's an explanation for why it is the way it is. I still think nested for-loops are easier to read.

Everything you wanted to know about enumerating states of the game 2048 in one series of posts by John Lees-Miller.

This is a nice overview, from the issue of Increment magazine on programming languages.

According to Wikipedia: TempleOS is a x86-64 bit, non-preemptive multi-tasking, multi-cored, public domain, open source, ring-0-only, single address space, non-networked, PC operating system for recreational programming. The OS runs 8-bit ASCII with graphics in source code and has a 2D and 3D graphics library, which run at 640x480 VGA with 16 colors. Like most modern operating systems, it has keyboard and mouse support. It supports the FAT32 and RedSea file systems (the latter created by Davis) with support for file compression.

Terry suffered from schizophrenia and claimed his design decisions were dictated by God (there are many religious/biblical elements throughout TempleOS).