INT 10 - Show Partner F/X v3.6 - START PRESENTATION                             
	AH = 53h
	DS: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. name of presentation file (no path, extension forced to
		.PR2)
Return: ???
SeeAlso: AH=55h