INT 21 - DOS - OPEN DISK FILE                         

Input

DOS1 Y DOS2 Y

DOS3

Y DOS5 Y

Output

AX

0Fh     00h=Found, FFh=No AX

BX

        BX

CX

        CX

 

        DX

DS:DX

Address of FCB   CF
Note:   (DOS 3.x) File opened in compatibility mode

See Also FCB 3Dh 10h 29h9


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