Index for interrupt INT CB

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

INT CB - 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
SeeAlso: INT 80"BASIC",INT CA"BASIC",INT CC"BASIC"

INT CB - APL*PLUS/PC - BEEP
Notes:	STSC moved its interrupts from 86h-8Ch to C6h-CCh, but did not delete
	  the older interrupts
	same as printing a ^G via INT 21/AH=02h
SeeAlso: INT 8B"APL"