The Temple Operating System(* Has a 64-Bit AOT/JIT compiler, not interpreter.)
TempleOS is an x86_64, multi-tasking, multi-cored, public domain, open source, ring-0-only, single-address-map (identity-mapped), non-networked, PC operating
system for recreational programming. It sticks to common, 64-bit hardware
instead of distinct drivers because you must shoot-the-moon. Also, redundancy
and varied capabilities are unpleasant compared to everybody-has-the-same-thing.
Normally, "failure is not an option" applies. Since TempleOS accompanies
Windows or Linux, however, failure is an option. There is no reason to
duplicate all use cases -- browsing, multimedia, desktop publishing, etc.
Instead, it's simple, fun, and beautiful. I capped the lines of code at
100,000, so it will never be an ugly monstrocity. Currently, it is 82,114.
Since God's temple must be perfect and we have 1,000 years in mind, I do not
promise that anything is future-proof.
The main reason TempleOS is simple and beautiful is because it's ring-0-only and identity-mapped. Linux wants to be a secure, multi-user mainframe. That's the
vision for Linux. That's why it has file permissions. The vision for TempleOS
is a modern, 64-bit Commodore 64. The C64 was a home computer mostly used for
games. It trained my generation how to program. It was simple, open and
hackable. It was not networked. The games were not multimedia works of art,
but generated programmatically with innocent, programmer (non-artist) quality
graphics. It was simple and unsecure. If you don't have malware and you don't
have bugs, protection just slows things down and makes the code complicated.
A troll might ask, "Why not just use DOS? It was ring-0-only and
single-address-map." Actually, they wouldn't because many people would say,
"Cool idea! I'm gonna dust-off DOS right now and have some fun!" DOS is 16-bit
with segmentation, though, which is awful. TempleOS is 64-bit, flat,
non-segmented and multi-cored. It's like a modern, souped-up, multi-tasking,
cross between DOS and a Commodore 64. It has a C64-like shell with HolyC, a
dialect of C/C++, instead of BASIC. It was written from scratch, and not even
ASCII was sacred -- it has 8-bit unsigned character source code to support
European languages. Also, the source code has graphics.
A troll might say, "But, it can crash!" We all used DOS for years and loved it.
Computers even had a reset switch! Just think of the power of ring-0, muhahaha!
Think of the speed and simplicity of ring-0-only and identity-mapping. It's
only 121,820 lines of code, including the compiler and can change tasks in half
a microsecond because it doesn't mess with page tables or privilege levels.
Inter-process communication is effortless because every task can access every
other task's memory.
It's fun having access to everything. When I was a teenager, I had a book, Mapping the Commodore 64, that told what every location in memory did. I liked
copying the ROM to RAM and poking around at the ROM BASIC's variables.
Everybody directly poked the hardware ports.
TempleOS is simpler than Linux and you can have hours of fun tinkering because
all memory and ports are accessible. Memory is identity-mapped at all times, so
you can modify any task's memory from any other task. You can access all disk
blocks, too. I had a blast using a C64 disk block editor to modify directories
to un-delete files, when I was a kid. Maybe, you want to play with a raw-block
database, or make your own file system?
I wrote all 121,820 lines of TempleOS over the last 10.7 years, full-time,
including the 64-bit compiler. It was called, at various times, "Hoppy", "The J Operating System", "LoseThos" and "SparrowOS". Here are my college transcripts. I've been a professional operating system developer since
1990 when I was hired to work on Ticketmaster's VAX OS.
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* "Commodore 64" was a trademark of Commodore Business Machines.
* "Linux" is probably a trademark owned by Linus Torvalds.
* "Windows" and "DOS" are trademark of MicroSoft Corp.