Index for interrupt INT 9F

Table of Contents by Order
9F - INT 9F - IBM ROM BASIC - used while in interpreter
9F - INT 9F - VIRUS - "INT13" - STORAGE FOR USER INT 13h VECTOR

INT 9F - IBM ROM BASIC - used while in interpreter
Notes:	called by ROM BASIC
	BASIC.COM/BASICA.COM do not restore vector on termination
SeeAlso: INT 80"BASIC",INT 9D"BASIC",INT A0"BASIC"

INT 9F - VIRUS - "INT13" - STORAGE FOR USER INT 13h VECTOR
Note:	while it is infecting a file, the INT13 virus grabs INT 13 and uses
	  this interrupt to store the existing INT 13 vector for later
	  restoration
SeeAlso: INT 9C"VIRUS",INT 9D"VIRUS",INT D3"VIRUS"