Category: DOS kernel
INT 21 - DOS 1+ - SEQUENTIAL WRITE TO FCB FILE AH = 15h DS:DX -> opened FCB (see #01345) Disk Tranfer Area contains record to be written Return: AL = status 00h successful 01h disk full 02h segment wrap in DTA Notes: writes a record of the size specified in the FCB beginning at the current file position, then updates the current block and current record fields in the FCB if less than a full sector is written, the data is placed in a DOS buffer to be written out at a later time not supported by MS Windows 3.0 DOSX.EXE DOS extender SeeAlso: AH=0Fh,AH=14h,AH=1Ah,AH=40h,INT 2F/AX=1109h