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tatOS is a hobby operating system for assembly language programmers.
The main feature of tatOS is a protected mode driver allowing direct logical block read/write of USB mass storage pendrive/flashdrive/memorystick.
Graphics are 800x600x8bpp (256 color) double buffer.
Includes drivers for ps/2 keyboard, usb flash drive, usb mouse.
The UHCI & EHCI usb controllers are supported.
Programs included with the tatOS distribution include: tedit (text editor), ttasm (assembler), tlib (graphics and utility functions) and many sample apps (fire, starfield, mandelbrot, minesweeper, tictactoe...).
tatOS is built with nasm on Linux and boots from floppy or flash drive or cdrom. Heavily commented asm code includes help files. tatOS is developed by Tom Timmermann, Janesville Wisconsin USA.
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