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Copyright 1991 David Jurgens |
INT 21,1B - Get Allocation Table Information
AH = 1B
on return:
AL = sectors per cluster
CX = bytes per sector
DX = clusters on disk
DS:BX = pointer to Media Descriptor Byte found in FAT
- retrieves information on capacity and format of default drive
- DS:BX can be used to determine if drive is RAMDISK or removable
- see INT 21,1C
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| Esc or Alt-X to exit |
int 21,1b |
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