INT 2F - MDEBUG command driver - GET ADDRESS OF THE OLD INT 2F AX = D110h Return: DL = FFh ES:BX -> next program in the chain for INT 2F CX = code segment of this driver DI = offset of driver identification table (see #03079) (v1.60+) Notes: only called by the transient part of the driver must be reentrant and the driver must not chain this function to the old INT 2F Format of the MDEBUG driver identification table: Offset Size Description (Table 03079) 00h 26 BYTEs signature "Kommandotreiber für MDEBUG" ^- Note: ASCII 129,German U-umlaut 27h 12 BYTEs name of driver, e.g. "MDHISDRV.COM" each driver must have a unique name