Designing a Custom Shield for the STM32F407 Discovery — From Idea to Fab Files
Sometimes a project starts with a simple wish: I wanted to extend my STM32F407 Discovery board with a 2.4" touchscreen […]
Allgemein
Rainbow-OS
Rainbow-OS: Why the Debugger Stays in the Kernel
Over the last several updates, Rainbow-OS went on a diet. One by one, the things that had been compiled into
Rainbow-OS
Rainbow-OS: The Second App Was Almost Free
Last time, Space Invaders became the first Rainbow-OS program to live outside the kernel. Getting it there was real work:
Rainbow-OS
Rainbow-OS: Moving a Game Out of the Kernel
For most of its life, every „app“ in Rainbow-OS — the editor, the BASIC interpreter, the C compiler, the games
Rainbow-OS
Rainbow-OS: An In-OS Debugger
Once Rainbow-OS could compile C and run it in Ring 3, the obvious next question was: how do you watch
Rainbow-OS
Rainbow-OS: A Userland/Kernel Boundary (Ring 3 + Syscalls)
Until recently, every program Rainbow-OS ran shared one address space with the kernel, at full privilege. A program compiled with
Rainbow-OS
Rainbow-OS: A Space Invaders Game
After Asteroids, Rainbow-OS gets its second arcade classic: a full Space Invaders, launched with the invaders shell command and running
Rainbow-OS
Rainbow-OS: An Asteroids Game (and the Timer It Needed)
With a 256-color graphical console in place, Rainbow-OS was finally ready for the obligatory rite of passage for any hobby
Rainbow-OS
Rainbow-OS: From VGA Text Mode to an 800×600 Graphical Console
Rainbow-OS has spent its whole life talking to the screen through the PC’s oldest trick: VGA text mode, an 80×25
Rainbow-OS
Rainbow-OS: Tab Autocomplete in the Shell
A small but disproportionately satisfying upgrade to the Rainbow-OS shell: the Tab key now does something useful. Type edit hel,