INT 21 - DOS - RANDOM BLOCK WRITE                       

Input

DOS1 Y DOS2 Y

DOS3

Y DOS5 Y

Output

AX

28h     Status AX

BX

        BX

CX

 Number of Records to Write     CX

 

        DX

DS:DX

Address of FCB   CF
Status: 0 = Successful read
        1 = Disk Full, or Read Only File
        2 = DTA boundary occurred

See Also 15h 1Ah 22h 40h FCB


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