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Virgil Dupras ca84b5dac8 recipes/ti84: first step 
This was mostly lifted from my "tihello" example, but it required significant
adjustments.

This commit also introduces a font management system. A lot of fonts are
available online, but sources aren't always clear so to avoid copyright
landmines, I re-created my first 5x7 font from scratch.

As it is now, this resulting ROM gets "Collapse OS>" to be displayed on the
LCD screen. Much work still left to do.

ref #41
2019-11-07 11:52:29 -05:00
apps Rename blockdev's API routines to GetB/PutB 2019-10-30 16:59:35 -04:00
doc stdio: remove a layer of indirection in GetC/PutC 2019-11-04 09:55:12 -05:00
fonts recipes/ti84: first step 2019-11-07 11:52:29 -05:00
kernel recipes/ti84: first step 2019-11-07 11:52:29 -05:00
recipes recipes/ti84: first step 2019-11-07 11:52:29 -05:00
tools recipes/ti84: first step 2019-11-07 11:52:29 -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
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 Add "See it in action" section to README 2019-10-31 20:49:35 -04:00
runtests.sh Add travis support 2019-10-30 19:12:02 -04:00
TRICKS.txt tricks: add endianness notes 2019-11-04 16:49:53 -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.