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James Stanley 1b8b113536 Fix filesystem in shell emulator 
We now treat the block device as fixed-size rather than trying to grow it in response
to kernel activity.

Previously, if you tried to create 2 files in a row, only the first 1 would actually appear,
because the device only ever got larger when a byte was written immediately past the end of
the device.

Now we just let the kernel write bytes to the disk anywhere, so new files can be created even
when the previous file is not completely full.

Also, fix buffer overrun in reading filesystem image, and use a more idiomatic fgetc loop.
2019-12-12 16:58:17 -05:00
apps core: remove cpHLDE 2019-12-12 15:53:14 -05:00
doc basic: add while command 2019-12-12 11:17:10 -05:00
fonts recipes/ti84: use a 3x5 font instead of a 5x7 one 2019-11-11 13:26:24 -05:00
kernel core: remove cpHLDE 2019-12-12 15:53:14 -05:00
recipes tools: use BASIC's new while loop 2019-12-12 12:04:56 -05:00
tools Fix filesystem in shell emulator 2019-12-12 16:58:17 -05:00
.gitignore zasm emul: bring back kernel/user distinction 2019-05-19 12:57:59 -04:00
.gitmodules Add tools/emul 2019-05-09 12:58:41 -04:00
.travis.yml Add travis support 2019-10-30 19:12:02 -04:00
CODE.md basic: add buffer line index 2019-11-19 20:43:01 -05:00
CONTRIBUTING.md Add CONTRIBUTING.md (#53) 2019-10-18 15:50:38 -04:00
COPYING Re-license to GPLv3 2019-05-08 20:18:05 -04:00
README.md Fix broken IRC link in README 2019-11-13 20:27:09 -05:00
runtests.sh Make makefiles and shell scripts portable 2019-12-09 09:45:22 -05:00
TRICKS.txt basic: add a print cmd 2019-11-18 13:40:23 -05:00

README.md

Collapse OS

Bootstrap post-collapse technology

Collapse OS is a z80 kernel and a collection of programs, tools and documentation that allows you to assemble an OS that, when completed, will be able to:

  1. Run on minimal and improvised machines.
  2. Interface through improvised means (serial, keyboard, display).
  3. Edit text files.
  4. Compile assembler source files for a wide range of MCUs and CPUs.
  5. Read and write from a wide range of storage devices.
  6. Replicate itself.

Additionally, the goal of this project is to be as self-contained as possible. With a copy of this project, a capable and creative person should be able to manage to build and install Collapse OS without external resources (i.e. internet) on a machine of her design, built from scavenged parts with low-tech tools.

See it in action

Michael Schierl has put together a set of emulators running in the browser that run Collapse OS in different contexts.

Using those while following along with the User Guide is your quickest path to giving Collapse OS a try.

Organisation of this repository

  • kernel: Pieces of code to be assembled by the user into a kernel.
  • apps: Pieces of code to be assembled into "userspace" application.
  • recipes: collection of recipes that assemble parts together on a specific machine.
  • doc: User guide for when you've successfully installed Collapse OS.
  • tools: Tools for working with Collapse OS from "modern" environments. Mostly development tools, but also contains emulated zasm, which is necessary to build Collapse OS from a non-Collapse OS machine.

Each folder has a README with more details.

Status

The project unfinished but is progressing well! See Collapse OS' website for more information.

Discussion

For a general discussion of Collapse OS and the ecosystem of technologies and ideas that may develop around it refer to r/collapseos

A more traditional mailing list and IRC (#collapseos on freenode) channels are also maintained.