SystemStructure

Tcos System Structure

The current structure of the system is the following :

• BootSector

• KernelLoader
• BiosBased keyboard routines
• BiosBased FloppyDisk routines
• BiosBased Video output routines
• FatFileSystem routines
• InterruptTableManager
• Interpretive Forth CommandLineInterface

• MicroKernel, which is made of :
• MemoryManager
• MessageManager
• ClockInterruptHandler
• Preemptive TaskSwitcher
• TaskScheduler
• InterruptTableManager

• Basic DeviceDriver modules, such as :
• FloppyDiskDriver
• ClockDriver
• KeyboardDriver
• TextVideoDriver

• Basic SystemServices, such as
• FileSystem
• TextTerminal

• UserApplications, such as
• CommandLineInterface
• ToyAndTestApplets

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