INT 2F U - VEDIT VSWAP - EXEC PROGRAM WITH SWAP                                 
	AX = D602h
	other registers set as for INT 21/AX=4B00h
Return: CF set on error
	    AL = error code
		82h = failure due to ???
	CF clear on success
SeeAlso: AX=D600h"VSWAP",INT 21/AH=4Bh"EXEC"