Message board for the users of flat assembler.
> Tutorials and Examples > [OS]A tiny operating system based on x86 architecture
sheentian 25 Feb 2019, 12:06
PiscisOS is a tiny multi-task operating system based x86 architecture, run in protect mode
Project site: https://tishion.github.io/PiscisOS
I wrote this project with FASM in 2012. Here are the features of this tiny toy OS
Run in x86 protect model
Multi-task supported (Maximum 250 processes)
Ram Disk file system (FAT12)
PiscisOS boot stage screenshot (In Vmvare)
PiscisOS Shell screenshot (in Vmware)
|25 Feb 2019, 12:06||
revolution 25 Feb 2019, 13:03
Seven year old OS.
Have you tried it on real hardware?
Can it boot from HDD/SSD? I don't have any floppy drives now.
|25 Feb 2019, 13:03||
sheentian 26 Feb 2019, 02:20
Sorry to tell you currently Piscisos doesn't support booting from other media except floppy. If you need to boot it from HDD/SSD you have to modify the boot sector. The boot sector needs to load the OS kernel into the memory. And currently PiscisOS only supports the In-Memory-FAT12 file system.
PiscisOS is just a very simple demo OS as a practice of implementing x86 protect mode.
|26 Feb 2019, 02:20||
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