Snowdrop OS - šestnáctibitový operační systém s multitaskingem a GUI napsaný v assembleru:
http://sebastianmihai.com/snowdrop/Citace:
Versions
v1 - initial version, single tasking, shell, aSMtris
v2 - PS/2 mouse driver and mouse test apps
v3 - basic multi-tasking support and virtual display support
v4 - FAT12 driver write/delete, file manager, text editor
v5 - serial port driver, formatting utilities, file copy support
v6 - multiplayer snake game (over serial port)
v7 - slide show presentation app
v8 - "keep memory" task lifetime mode, for custom services
v9 - parallel port driver, BMP image support, sprites
v10 - system timer frequency change
v11 - animated sprites, sound driver (internal speaker)
v12 - keyboard driver
v13 - more sprites functionality, Storks game
v14 - kernel config, program arguments, file utilities
v15 - 16x2 LCD controller app, text editor fixes
v16 - GUI framework
v17 - Snowmine (Minesweeper-like game)
v18 - BASIC interpreter and linker
v19 - install to hard disk
v20 - BASIC and text editor improvements
v21 - integration of BASIC and GUI framework
v22 - x86 assembler, multi-disk support, file view utilities
v23 - x86 debugger
v24 - service loading
v25 - dynamic memory and data structures
v26 - installer improvements, pseudo-mouse driver
v27 - kernel and inter-task messaging
v28 - GUI higher resolution, draw application, desktop application
v29 - data compression, Hangman game
v30 - pseudo-mouse driver improvements
v31 - runtime libraries (RTL), BASIC interpreter RTL
Screenshoty aplikací:
http://sebastianmihai.com/snowdrop/apps.htmlFotky na reálných strojích:
http://sebastianmihai.com/snowdrop/visuals.htmlZdrojáky:
http://sebastianmihai.com/snowdrop/src/