KERNELFILE is written to track 34 of the boot disk and is the first

KERNELFILE is written to track 34 of the boot disk and is the first

part of NitrOS-9 to be loaded and executed. BOOTFILE is stored in

part of NitrOS-9 to be loaded and executed. BOOTFILE is stored with the name ''OS9Boot'' in

the filesystem of the boot disk just like any other file. However, the LSN (the Logical Sector Number)

the filesystem of the boot disk just like any other file. However, the LSN (the Logical Sector Number)

at which the BOOTFILEFILE starts on the disk is coded into the LSN0, which is a data structure stored at the first block on the disk.

at which the BOOTFILE starts on the disk is coded into the LSN0, which is a data structure stored at the first block on the disk.

Coding the start address into the LSN0 makes the process of reading KERNELFILE from disk into memory simpler -- the driver that performs

Coding the start address into the LSN0 makes the process of reading BOOTFILE from disk into memory simpler -- the driver that performs

this task does not need to include code that understands the file-system. However, it does impose a couple of restrictions:

this task does not need to include code that understands the file-system. However, it does impose a couple of restrictions: