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AX = 4404h BL = drive number (00h = default, 01h = A:, etc.) CX = number of bytes to read DS:DX -> buffer
Return:
CF clear if successful AX = number of bytes actually read CF set on error AX = error code (01h,05h,06h,0Dh) (see #01680 at AH=59h/BX=0000h)
Notes: Format of data is driver-specific. This function was not supported by Digital Research's DOS Plus
See Also: AX=4402h"DOS 2+" - AX=4405h"DOS" - INT 2F/AX=122Bh
Category: DOS Kernel - Int 21h - D
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