Index for interrupt INT C9

Table of Contents by Order
C9 - INT C9 - IBM ROM BASIC - used while in interpreter
C9 - INT C9 - APL*PLUS/PC - ???

INT C9 - 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 C8"BASIC",INT CA"BASIC"

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