Int 14/AH=04h

FOSSIL - INITIALIZE DRIVER

AH = 04h
DX = port number
optionally BX=4F50h
ES:CX -> byte to be set upon ^C

Return:
AX = 1954h (if successful)
BL = maximum function number supported (excluding 7Eh and above)
BH = revision of FOSSIL specification supported
DTR is raised

Note: The word at offset 6 in the interrupt handler contains 1954h, and the following byte contains the maximum function number supported; this can serve as an installation check

See Also: AH=05h"FOSSIL" - AH=1Ch - INT 11/AH=BCh

Index:
Installation check;FOSSIL

Category: Serial I/O - Int 14h - F

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