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CHS conversion/Assembler code

The following procedure calculates the geometric coordinate of a block of data based on an LBA address specified.

 GetCHS proc
             mov         AX, LHA
             xor         DX, DX
             mov         BX, SPT
             div         BX
             inc         DX
             mov         SECT, DL
             xor         DX, DX
             mov         BX, HPC
             div         BX
             mov         CYL, AL
             mov         HEAD, DL
             ret	
 GetCHS endp

See: CHS conversion

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