INT 17 U - Emulaser ELTSR - OPEN CAPTURE FILE AH = 07h ES:DX -> ASCIZA NUL-terminated ASCII string. The ASCIZ string "ABC" consists of the four bytes 41h, 42h, 43h, and 00h. Unless otherwise specified, maximum lengths given in the interrupt list do not include the terminating NUL. filename to be opened Return: ??? Note: new output will be appended to the specified file SeeAlso: AH=08h,INT 1A/AH=E5h