Microsoft KB Archive/60741

INT 21H Functions That Use Disk Transfer Address PSS ID Number: Q60741 Article last modified on 01-21-1993 PSS database name: O_MSDOS

3.30

MS-DOS

Summary:

The following MS-DOS Version 3.30 system functions (via INT 21H) require that the disk transfer address (DTA) be set before these functions are called:

Function Number Function Name ————— ————-

11H Find First File, FCB 12H Find Next File, FCB 14H Sequential Read 15H Sequential Write 21H Random Read 22H Random Write 27H Random Block Read 28H Random Block Write 4EH Find First File, HANDLE 4FH Find Next File, HANDLE

Additional reference words: 3.30 noupd

Copyright Microsoft Corporation 1993.