Category: disk I/O enhancements
INT 13 - Future Domain SCSI CONTROLLER - GET POINTER TO FREE CONTROLLER RAM AH = 1Ch DL = hard drive ID (any valid SCSI hard disk) Return: CF set on error AH = status code (see #00234 at AH=01h) CF clear if successful ES:BX -> first byte of free RAM on controller Notes: the Future Domain TMC-870 contains 1024 bytes of RAM at offsets 1800h to 1BFFh on-board the controller for storing drive information and controller status; ES:BX points to the first byte available for other uses ES contains the segment at which the controller resides; the controller's two memory-mapped I/O ports are at offsets 1C00h, 1E00h SeeAlso: AH=1Bh"SCSI"