Category: runtime support

INT ED - IBM ROM BASIC - used while in interpreter

Notes:	called by ROM BASIC, but pointed at IRET by BASIC.COM/BASICA.COM
	BASIC.COM/BASICA.COM do not restore vector on termination
	INT 80 through INT ED are modified but not restored by Direct Access
	  v4.0, and may be left dangling by other programs written with the
	  same version of compiled BASIC
SeeAlso: INT EC"BASIC",INT EE"BASIC"