ADDRESS	NAME		DESCRIPTION
-------------------------------------------------------------------------
A0	IOBKBYTE	KEYBOARD ENCODE & CTL. FLAGS
  .0	HOLD		HOLD KEY FLAG
  .1	-
  .2	AUTO		TYPOMATIC KEYBOARD MODE
  .3	-
  .4	-
  .5	-
  .6	DATAKEY		DATA KEY CODE PRESENT FLAG
  .7	OVERRUN		KEYBOARD OVERRUN
  
  .8-15			DATA KEY CODE
A2	IOFLAGS		MISC. I/O FLAGS AND SWITCHES
  .0	FSUINTRP	INTERRUPT FOR FSU WHILE EXEC IN RAM
  .1	-
  .2	TPAINTRP	LEVEL 1 INTERRUPT FOR COMMUNICATIONS
  .3	TPACTIVE	LEVEL 1 COMMUNICATIONS FEATURE ACTIVE
  .4	-
  .5	-
  .6	-
  .7	RWPATCH		KBD ENCODE RABLE PATCH IN R/W STORAGE
  
  .8	SELCTERR	DEVICE NOT SELECTED ERROR FLAG
  .9	INVSUBDV	INVALID SUBDEVICE ERROR FLAG
  .10	DVNOTPRS	DEVICE NOT PRESENT ERROR FLAG
  .11	-
  .12	-
  .13	SHORTRMP	SHORT RAMP FOR PRINTER FLAG
  .14	IOSKBTO		IOS KBD TIME OUT FLAG, ON = KBD T.O.
  .15	LVL3CALL	LEVEL 3 KBD CALL TO PRINT CRT CODE
A4	IOBFLAGS	MISCELLANEOUS FLAGS AND SWITCHES
  .0	SYSATTN		SYSTEM ATTENTION FLAG
  .1	IOACTIVE	IOACTIVE.ON = KEYBOARD SETS 'HOLDPEND'
  .2	HOLDPEND	HOLD FUNCTION PENDING FLAG
  .3	CRTSTATS	CRT STATUS.ON = CRT TURNED ON
  .4	TPAIOLS		TELEPROCESSING LONG SPACE
  .5	COREDUMP	STORAGE DUMP FLAG
  .6	DIAGCTL		DIAGNOSTIC CONTROL FLAG
  .7	DIAGHALT	DIAGNOSTIC HALT FLAG
  
  .8	SYSFLAG		ON = APL MODE, OFF = BASIC MODE
  .9	RAMEXEC		PROGRAM EXECUTION IN RAM FLAG
  .10	RAMINTRP	TOGGLE TO EXEC IN RAM:KEY BOARD FLAG
  .11	-		** AVAILABLE **
  .12	PRNTRWRT	WRITE TO PRINTER AS OCCURED IF ON.
  .13	IOSUPERV	IF ON, I/O SUPERVISOR IN CONTROL
  .14	TPKBFTCH	KEYBOARD FETCH FOR TELEPROC FLAG
  .15	DIAGKBD		DIAGNOSTIC HAS KEYBOARD ENCODE SUPPORT
A6	ZERO		CONSTANT VALUE ZERO
A8	CORESIZE	MEMORY SIZE FOR SYSTEM
AA	PTCHSIZE	CORE SIZE PRIOR TO PATCH IMF
AC	IOPARM@S	I/O PARAMETER ADDRESS SAVE

B0	@CRTCLR		@ OF CLEAR CRT BUFFER ROUTINE
B4	@CRTERR		@ OF DISPLAY ERROR CODE ROUTINE
B6	@DV01IOC	ENTRY POINT FOR IPL TABLE; ROS
	@ROSFCH		FETCH & IPL LOOP TESTS.
B8	@DIAGCTL	ENTRY ADDRESS FOR DIAG CONTROL
BA	IOSELRTN	@ OF I/O DEVICE/SUBDEVICE SELECT
  =$0680
BE	IOSLNKSV	IOS SAVE AREA FOR LINK REGISTER

C0	@KBPCRT		IOS KBD ENTRY  *PRINT COPY*
C2	@IOSUPVR	ADDRESS OF I/O SUPERVISOR ENTRY
C4	RAM@SAVE	SAVE AREA FOR RAMADDR SWITCH ADDR
C6	@DV05IOC	ADDRESS OF PRINTER I/O CODE
	@PRNTIOC
C8	@PRNTCRT	LEVEL-3 ENTRY  *PRINT COPY*
CA	@DV0EIOC	TAPE I/O CODE ADDRESS
	@TAPEIOC
CC	@DUMPCOR	@ OF DUMP CORE ROUTINE
CE	@APLATTN	@ WHERE ATTENTION IS SET FOR APL

D4	ROS@SAVE	SAVE AREA FOR ROSADDR SWITCH ADDR
D6	@DV02IOC	NOT USED  (MFG. TEST EQUPT)
D8	@DV03IOC	NOT USED  (SPECIAL DEVICE)
DA	@DV06IOC	ADDRESS FOR DEVICE 06 - NOT CURRENTLY USED
DC	@DV07IOC	ADDRESS FOR DEVICE 07 - NOT CURRENTLY USED
DE	@DV09IOC	RESERVED I/O CODE ADDRESS - NOT CURRENTLY USED

E0	@DV0AIOC	SPECIAL I/O ATTACHMENTS PALM CODE IN R/W;
			NO SUBDEVICE SELECT
E2	@DV0BIOC	SPECIAL I/O ATTACHMENTS PALM CODE IN R/W;
			SUBDEVICE SELECT
E4	@DV0CIOC	ADDRESS FOR DEVICE 0C  ** RESERVED **
E6	@DV0DIOC	ADDRESS FOR DEVICE 0D  ** RESERVED **
E8	RAMADDR		@ OF RAM CODE TO BE EXECUTED.
EA	RAMTOROS	@ OF TOGGLE RETURN TO FSU ROS
EC	ROSTORAM	@ OF TOGGLE INSTRUCTION: (RAM)
EE	ROSADDR		@ OF FSU ROS CODE TO BE EXECUTED

F0	@DV04IOC	LEVEL-3 KEYBOARD CODE ENTRY
	@KBDLVL3
F2	@DV08IOC	COMMUNICATION I/O CODE
	@TPALVL1	LEVEL-1 INTERRUPT ADDRESS (FSU)
F4	@SPCLIPL	@ OF SPECIAL IPL, FROM TP TO LOCAL
F8	CHARCNT		PRINTER POSITION CNT WITHIN CHAR
FA	PPACTUAL	PRINTER ACTUAL PRINT POSITION
FC	PESTAT		PRINTER LAST PRINT EMITTER STATUS
FE	@KBTABL		ADR OF KBD ENCODE/OVERSTRIKE TABLE;
			COMMON EMERALD ROS OR R/W PATCH.