For the interested, here is one chapter out of the SpartaDOS X 4.50 Programming Guide, which is now being in the works. The chapter in question is about SIO (Sector I/O) device drivers in SDX.   Subsequent chapters on the kernel drivers etc. are planned, but it will take some time considering that the relatively simple matter of the SIO driverage took 8 pages.   Critical remarks (including related to the language) welcome.   sdx_sio_drivers.pdf
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