Index for interrupt INT 89

Table of Contents by Order
89 - INT 89 - IBM ROM BASIC - used while in interpreter
89 - INT 89 - APL*PLUS/PC - ???

INT 89 - IBM ROM BASIC - used while in interpreter
Notes:	called by ROM BASIC
	BASIC.COM/BASICA.COM do not restore vector on termination
SeeAlso: INT 88"BASIC",INT 8A"BASIC"

INT 89 - APL*PLUS/PC - ???
Note:	STSC moved its interrupts from 86h-8Ch to C6h-CCh, but did not delete
	  the older interrupts
SeeAlso: INT C9"APL"