HelpPC 2.10 Quick Reference Utility Copyright 1991 David Jurgens

                   INT 13,1A - Format Unit (PS/2 model 50+)

       AH = 1Ah
       AL = defect table count
       DL = drive number (0=A:, 1=2nd floppy, 80h=drive 0, 81h=drive 1)
       ES:BX = far pointer to defect table
       CL = modifier bits

               │7│6│5│4│3│2│1│0│  Format Unit Modifier Bits
                │ │ │ │ │ │ │ └──── 1=ignore primary defect map, 0=use map
                │ │ │ │ │ │ └───── 1=ignore secondary defect map, 0=use map
                │ │ │ │ │ └────── 1=update secondary defect map, 0=don't
                │ │ │ │ └─────── 1=do extended surface analysis, 0=don't
                │ │ │ └──────── 1=periodic interrupt status on, 0=off
                └─┴─┴───────── reserved

       returns nothing

       - only the disk number is checked for validity
       - see   INT 13,STATUS

Esc or Alt-X to exit int 13,1a Home/PgUp/PgDn/End ←↑↓→
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