INT 16 U - PCIBM PC Tools v6.0+ PCShell API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. - GET PCRUN PARAMETERS AX = FFDDh BX = 0009h Return: CF clear if successful DS:SI -> list of pointers (see #00624) Format of PCIBM PC Tools PCShell returned pointer list: Offset Size Description (Table 00624) 00h WORD offset of WORD containing ??? 02h WORD offset of name of program to execute 04h WORD offset of 80-byte buffer for ??? 06h WORD offset of buffer for ??? (length in WORD preceding buffer) 08h WORD offset of buffer for ??? (length in WORD preceding buffer)