Format of old Phar Lap .EXP file header:
Offset	Size	Description	)
 00h  2 BYTEs	"MP" (4Dh 50h) signature
 02h	WORD	remainder of image size / page size (page size = 512h)
 04h	WORD	size of image in pages
 06h	WORD	number of relocation items
 08h	WORD	header size in paragraphs
 0Ah	WORD	minimum number of extra 4K pages to be allocated at the end
		  of program, when it is loaded
 0Ch	WORD	maximum number of extra 4K pages to be allocated at the end
		  of program, when it is loaded
 0Eh	DWORD	initial ESP
 12h	WORD	word checksum of file
 14h	DWORD	initial EIP
 18h	WORD	offset of first relocation item
 1Ah	WORD	overlay number
 1Ch	WORD	??? (wants to be 1)
SeeAlso: #01620