INT 21 U - DOS 5+ ROM(Read-Only Memory) A memory for program storage which may not be changed by the program as it runs. - GET EXCLUSION REGION LIST AX = 6F02h ES:BX -> buffer for exclusion region list (see #01773) Return: CF clear AL = 00h ES:BX = 0000h:0000h on error, unchanged if buffer filled Note: for DOS versions which do not support this function, the return value is AL=00h, CF unchanged, ES:BX unchanged, and the ES:BX buffer unchanged SeeAlso: AX=6F00h,AX=6F03h Format of ROM(Read-Only Memory) A memory for program storage which may not be changed by the program as it runs. exclusion region list: Offset Size Description (Table 01773) 00h WORD number of entries 02h 2N WORDs start/end segments of N excluded regions