X-Hacker.org- Ralf Brown's Interrupt List (Part 1,2) - int 10 - video

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INT 10 - VIDEO - SET CURSOR CHARACTERISTICS
        AH = 01h
        CH bits 0-4 = start line for cursor in character cell
           bits 5-6 = blink attribute
                     (00=normal, 01=invisible, 10=slow, 11=fast on CGA/mono)
                     (00=normal, other=invisible on EGA/VGA)
        CL bits 0-4 = end line for cursor in character cell
Note:   buggy on EGA systems--BIOS remaps cursor shape in 43 line modes, but
          returns unmapped cursor shape
BUG:    AMI 386 BIOS and AST Premier 386 BIOS will lock up the system if AL
          is not equal to the current video mode
SeeAlso: AH=03h

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