# Commodore 64 ROM Addresses.

    ;	Commodore 64 ROM Memory Map
    ;	V1.2	1 Sep 1994

    ;
    ; Data types in headers (for reassembler):
    ;
    ;	DATA		Misc data
    ;	TEXT		String terminated with 00
    ;	WORD		Vectors in LO/HI byte pairs
    ;	CHIP		I/O Area
    ;	EMPTY		ROM containing FF's or AA's
    ;

    ;
    ; BASIC interpreter ROM ($A000 - $BFFF)
    ;

    a000	40960	-	Restart Vectors				WORD
    a00c	40972	stmdsp	BASIC Command Vectors			WORD
    a052	41042	fundsp	BASIC Function Vectors			WORD
    a080	41088	optab	BASIC Operator Vectors			WORD
    a09e	41118	reslst	BASIC Command Keyword Table		DATA
    a129	41257	msclst	BASIC Misc. Keyword Table		DATA
    a140	41280	oplist	BASIC Operator Keyword Table		DATA
    a14d	41293	funlst	BASIC Function Keyword Table		DATA
    a19e	41374	errtab	Error Message Table			DATA
    a328	41768	errptr	Error Message Pointers			WORD
    a364	41828	okk	Misc. Messages				TEXT
    a38a	41866	fndfor	Find FOR/GOSUB Entry on Stack
    a3b8	41912	bltu	Open Space in Memory
    a3fb	41979	getstk	Check Stack Depth
    a408	41992	reason	Check Memory Overlap
    a435	42037	omerr	Output ?OUT OF MEMORY Error
    a437	42039	error	Error Routine
    a469	42089	errfin	Break Entry
    a474	42100	ready	Restart BASIC
    a480	42112	main	Input & Identify BASIC Line
    a49c	42140	main1	Get Line Number & Tokenise Text
    a4a2	42146	inslin	Insert BASIC Text
    a533	42291	linkprg	Rechain Lines
    a560	42336	inlin	Input Line Into Buffer
    a579	42361	crunch	Tokenise Input Buffer
    a613	42515	fndlin	Search for Line Number
    a642	42562	scrtch	Perform [new]
    a65e	42590	clear	Perform [clr]
    a68e	42638	stxpt	Reset TXTPTR
    a69c	42652	list	Perform [list]
    a717	42775	qplop	Handle LIST Character
    a742	42818	for	Perform [for]
    a7ae	42926	newstt	BASIC Warm Start
    a7c4	42948	ckeol	Check End of Program
    a7e1	42977	gone	Prepare to execute statement
    a7ed	42989	gone3	Perform BASIC Keyword
    a81d	43037	restor	Perform [restore]
    a82c	43052	stop	Perform [stop], [end], break
    a857	43095	cont	Perform [cont]
    a871	43121	run	Perform [run]
    a883	43139	gosub	Perform [gosub]
    a8a0	43168	goto	Perform [goto]
    a8d2	43218	return	Perform [return]
    a8f8	43256	data	Perform [data]
    a906	43270	datan	Search for Next Statement / Line
    a928	43304	if	Perform [if]
    a93b	43323	rem	Perform [rem]
    a94b	43339	ongoto	Perform [on]
    a96b	43371	linget	Fetch linnum From BASIC
    a9a5	43429	let	Perform [let]
    a9c4	43460	putint	Assign Integer
    a9d6	43478	ptflpt	Assign Floating Point
    a9d9	43481	putstr	Assign String
    a9e3	43491	puttim	Assign TI$
    aa2c	43564	getspt	Add Digit to FAC#1
    aa80	43648	printn	Perform [print]#
    aa86	43654	cmd	Perform [cmd]
    aa9a	43674	strdon	Print String From Memory
    aaa0	43680	print	Perform [print]
    aab8	43704	varop	Output Variable
    aad7	43735	crdo	Output CR/LF
    aae8	43752	comprt	Handle comma, TAB(, SPC(
    ab1e	43806	strout	Output String
    ab3b	43835	outspc	Output Format Character
    ab4d	43853	doagin	Handle Bad Data
    ab7b	43899	get	Perform [get]
    aba5	43941	inputn	Perform [input#]
    abbf	43967	input	Perform [input]
    abea	44010	bufful	Read Input Buffer
    abf9	44025	qinlin	Do Input Prompt
    ac06	44038	read	Perform [read]
    ac35	44085	rdget	General Purpose Read Routine
    acfc	44284	exint	Input Error Messages			TEXT
    ad1e	44318	next	Perform [next]
    ad61	44385	donext	Check Valid Loop
    ad8a	44426	frmnum	Confirm Result
    ad9e	44446	frmevl	Evaluate Expression in Text
    ae83	44675	eval	Evaluate Single Term
    aea8	44712	pival	Constant - pi				DATA
    aead	44717	qdot	Continue Expression
    aef1	44785	parchk	Expression in Brackets
    aef7	44791	chkcls	Confirm Character
    aef7	44791	-	-test ')'-
    aefa	44794	-	-test '('-
    aefd	44797	-	-test comma-
    af08	44808	synerr	Output ?SYNTAX Error
    af0d	44813	domin	Set up NOT Function
    af14	44820	rsvvar	Identify Reserved Variable
    af28	44840	isvar	Search for Variable
    af48	44872	tisasc	Convert TI to ASCII String
    afa7	44967	isfun	Identify Function Type
    afb1	44977	strfun	Evaluate String Function
    afd1	45009	numfun	Evaluate Numeric Function
    afe6	45030	orop	Perform [or], [and]
    b016	45078	dorel	Perform <, =, >
    b01b	45083	numrel	Numeric Comparison
    b02e	45102	strrel	String Comparison
    b07e	45182	dim	Perform [dim]
    b08b	45195	ptrget	Identify Variable
    b0e7	45287	ordvar	Locate Ordinary Variable
    b11d	45341	notfns	Create New Variable
    b128	45352	notevl	Create Variable
    b194	45460	aryget	Allocate Array Pointer Space
    b1a5	45477	n32768	Constant 32768 in Flpt			DATA
    b1aa	45482	facinx	FAC#1 to Integer in (AC/YR)
    b1b2	45490	intidx	Evaluate Text for Integer
    b1bf	45503	ayint	FAC#1 to Positive Integer
    b1d1	45521	isary	Get Array Parameters
    b218	45592	fndary	Find Array
    b245	45637	bserr	?BAD SUBSCRIPT/?ILLEGAL QUANTITY
    b261	45665	notfdd	Create Array
    b30e	45838	inlpn2	Locate Element in Array
    b34c	45900	umult	Number of Bytes in Subscript
    b37d	45949	fre	Perform [fre]
    b391	45969	givayf	Convert Integer in (AC/YR) to Flpt
    b39e	45982	pos	Perform [pos]
    b3a6	45990	errdir	Confirm Program Mode
    b3e1	46049	getfnm	Check Syntax of FN
    b3f4	46068	fndoer	Perform [fn]
    b465	46181	strd	Perform [str$]
    b487	46215	strlit	Set Up String
    b4d5	46293	putnw1	Save String Descriptor
    b4f4	46324	getspa	Allocate Space for String
    b526	46374	garbag	Garbage Collection
    b5bd	46525	dvars	Search for Next String
    b606	46598	grbpas	Collect a String
    b63d	46653	cat	Concatenate Two Strings
    b67a	46714	movins	Store String in High RAM
    b6a3	46755	frestr	Perform String Housekeeping
    b6db	46811	frefac	Clean Descriptor Stack
    b6ec	46828	chrd	Perform [chr$]
    b700	46848	leftd	Perform [left$]
    b72c	46892	rightd	Perform [right$]
    b737	46903	midd	Perform [mid$]
    b761	46945	pream	Pull sTring Parameters
    b77c	46972	len	Perform [len]
    b782	46978	len1	Exit String Mode
    b78b	46987	asc	Perform [asc]
    b79b	47003	gtbytc	Evaluate Text to 1 Byte in XR
    b7ad	47021	val	Perform [val]
    b7b5	47029	strval	Convert ASCII String to Flpt
    b7eb	47083	getnum	Get parameters for POKE/WAIT
    b7f7	47095	getadr	Convert FAC#1 to Integer in LINNUM
    b80d	47117	peek	Perform [peek]
    b824	47140	poke	Perform [poke]
    b82d	47149	wait	Perform [wait]
    b849	47177	faddh	Add 0.5 to FAC#1
    b850	47184	fsub	Perform Subtraction
    b862	47202	fadd5	Normalise Addition
    b867	47207	fadd	Perform Addition
    b947	47431	negfac	2's Complement FAC#1
    b97e	47486	overr	Output ?OVERFLOW Error
    b983	47491	mulshf	Multiply by Zero Byte
    b9bc	47548	fone	Table of Flpt Constants			DATA
    b9ea	47594	log	Perform [log]
    ba28	47656	fmult	Perform Multiply
    ba59	47705	mulply	Multiply by a Byte
    ba8c	47756	conupk	Load FAC#2 From Memory
    bab7	47799	muldiv	Test Both Accumulators
    bad4	47828	mldvex	Overflow / Underflow
    bae2	47842	mul10	Multiply FAC#1 by 10
    baf9	47865	tenc	Constant 10 in Flpt			DATA
    bafe	47870	div10	Divide FAC#1 by 10
    bb07	47879	fdiv	Divide FAC#2 by Flpt at (AC/YR)
    bb0f	47887	fdivt	Divide FAC#2 by FAC#1
    bba2	48034	movfm	Load FAC#1 From Memory
    bbc7	48071	mov2f	Store FAC#1 in Memory
    bbfc	48124	movfa	Copy FAC#2 into FAC#1
    bc0c	48140	movaf	Copy FAC#1 into FAC#2
    bc1b	48155	round	Round FAC#1
    bc2b	48171	sign	Check Sign of FAC#1
    bc39	48185	sgn	Perform [sgn]
    bc58	48216	abs	Perform [abs]
    bc5b	48219	fcomp	Compare FAC#1 With Memory
    bc9b	48283	qint	Convert FAC#1 to Integer
    bccc	48332	int	Perform [int]
    bcf3	48371	fin	Convert ASCII String to a Number in FAC#1
    bdb3	48563	n0999	String Conversion Constants		DATA
    bdc2	48578	inprt	Output 'IN' and Line Number
    bddd	48605	fout	Convert FAC#1 to ASCII String
    be68	48744	foutim	Convert TI to String
    bf11	48913	fhalf	Table of Constants			DATA
    bf71	49009	sqr	Perform [sqr]
    bf7b	49019	fpwrt	Perform power ($)
    bfb4	49076	negop	Negate FAC#1
    bfbf	49087	logeb2	Table of Constants			DATA
    bfed	49133	exp	Perform [exp]
    ;
    ;
    ;	C64 Kernal ROM
    ;
    e000	57344	(exp continues)	EXP continued From BASIC ROM
    e043	57411	polyx	Series Evaluation
    e08d	57485	rmulc	Constants for RND			DATA
    e097	57495	rnd	Perform [rnd]
    e0f9	57593	bioerr	Handle I/O Error in BASIC
    e10c	57612	bchout	Output Character
    e112	57618	bchin	Input Character
    e118	57624	bckout	Set Up For Output
    e11e	57630	bckin	Set Up For Input
    e124	57636	bgetin	Get One Character
    e12a	57642	sys	Perform [sys]
    e156	57686	savet	Perform [save]
    e165	57701	verfyt	Perform [verify / load]
    e1be	57790	opent	Perform [open]
    e1c7	57799	closet	Perform [close]
    e1d4	57812	slpara	Get Parameters For LOAD/SAVE
    e200	57856	combyt	Get Next One Byte Parameter
    e206	57862	deflt	Check Default Parameters
    e20e	57870	cmmerr	Check For Comma
    e219	57881	ocpara	Get Parameters For OPEN/CLOSE
    e264	57956	cos	Perform [cos]
    e26b	57963	sin	Perform [sin]
    e2b4	58036	tan	Perform [tan]
    e2e0	58080	pi2	Table of Trig Constants			DATA

    ;e2e0	1.570796327	pi/2
    ;e2e5	6.28318531	pi*2
    ;e2ea	0.25

    ;e2ef	#05	(counter)
    ;e2f0	-14.3813907
    ;e2f5	42.0077971
    ;e2fa	-76.7041703
    ;e2ff	81.6052237
    ;e304	-41.3417021
    ;e309	6.28318531

    e30e	58126	atn	Perform [atn]
    e33e	58174	atncon	Table of ATN Constants			DATA

    ;e33e	#0b	(counter)
    ;e3ef	-0.000684793912
    ;e344	 0.00485094216
    ;e349	-0.161117018
    ;e34e	 0.034209638
    ;e353	-0.0542791328
    ;e358	 0.0724571965
    ;e35d	-0.0898023954
    ;e362	 0.110932413
    ;e367	-0.142839808
    ;e36c	 0.19999912
    ;e371	-0.333333316
    ;e376	 1.00

    e37b	58235	bassft	BASIC Warm Start [RUNSTOP-RESTORE]
    e394	58260	init	BASIC Cold Start
    e3a2	58274	initat	CHRGET For Zero-page
    e3ba	58298	rndsed	RND Seed For zero-page			DATA
    ;e3b2	0.811635157
    e3bf	58303	initcz	Initialize BASIC RAM
    e422	58402	initms	Output Power-Up Message
    e447	58439	bvtrs	Table of BASIC Vectors (for 0300)	WORD
    e453	58451	initv	Initialize Vectors
    e45f	58463	words	Power-Up Message			DATA
    e4ad	58541	-	Patch for BASIC Call to CHKOUT
    e4b7	58551	-	Unused Bytes For Future Patches		EMPTY
    e4da	58586	-	Reset Character Colour
    e4e0	58592	-	Pause After Finding Tape File
    e4ec	58604	-	RS-232 Timing Table -- PAL		DATA
    e500	58624	iobase	Get I/O Address
    e505	58629	screen	Get Screen Size
    e50a	58634	plot	Put / Get Row And Column
    e518	58648	cint1	Initialize I/O
    e544	58692	-	Clear Screen
    e566	58726	-	Home Cursor
    e56c	58732	-	Set Screen Pointers
    e59a	58778	-	Set I/O Defaults (Unused Entry)
    e5a0	58784	-	Set I/O Defaults
    e5b4	58804	lp2	Get Character From Keyboard Buffer
    e5ca	58826	-	Input From Keyboard
    e632	58930	-	Input From Screen or Keyboard
    e684	59012	-	Quotes Test
    e691	59025	-	Set Up Screen Print
    e6b6	59062	-	Advance Cursor
    e6ed	59117	-	Retreat Cursor
    e701	59137	-	Back on to Previous Line
    e716	59158	-	Output to Screen
    e72a	59178	-	-unshifted characters-
    e7d4	59348	-	-shifted characters-
    e87c	59516	-	Go to Next Line
    e891	59537	-	Output
    e8a1	59553	-	Check Line Decrement
    e8b3	59571	-	Check Line Increment
    e8cb	59595	-	Set Colour Code
    e8da	59610	-	Colour Code Table
    e8ea	59626	-	Scroll Screen
    e965	59749	-	Open A Space On The Screen
    e9c8	59848	-	Move A Screen Line
    e9e0	59872	-	Syncronise Colour Transfer
    e9f0	59888	-	Set Start of Line
    e9ff	59903	-	Clear Screen Line
    ea13	59923	-	Print To Screen
    ea24	59940	-	Syncronise Colour Pointer
    ea31	59953	-	Main IRQ Entry Point
    ea87	60039	scnkey	Scan Keyboard
    eadd	60125	-	Process Key Image
    eb79	60281	-	Pointers to Keyboard decoding tables	WORD
    eb81	60289	-	Keyboard 1 -- unshifted			DATA
    ebc2	60354	-	Keyboard 2 -- Shifted			DATA
    ec03	60419	-	Keyboard 3 -- Commodore			DATA
    ec44	60484	-	Graphics/Text Control
    ec78	60536	-	Keyboard 4 -- Control			DATA
    ecb9	60601	-	Video Chip Setup Table			DATA
    ece7	60647	-	Shift-Run Equivalent
    ecf0	60656	-	Low Byte Screen Line Addresses		DATA
    ed09	60681	talk	Send TALK Command on Serial Bus
    ed0c	60684	listn	Send LISTEN Command on Serial Bus
    ed40	60736	-	Send Data On Serial Bus
    edad	60845	-	Flag Errors
    edad	60845	-	Status #80 - device not present
    edb0	60848	-	Status #03 - write timeout
    edb9	60857	second	Send LISTEN Secondary Address
    edbe	60862	-	Clear ATN
    edc7	60871	tksa	Send TALK Secondary Address
    edcc	60876	-	Wait For Clock
    eddd	60893	ciout	Send Serial Deferred
    edef	60911	untlk	Send UNTALK / UNLISTEN
    ee13	60947	acptr	Receive From Serial Bus
    ee85	61061	-	Serial Clock On
    ee8e	61070	-	Serial Clock Off
    ee97	61079	-	Serial Output 1
    eea0	61088	-	Serial Output 0
    eea9	61097	-	Get Serial Data And Clock In
    eeb3	61107	-	Delay 1 ms
    eebb	61115	-	RS-232 Send
    ef06	61190	-	Send New RS-232 Byte
    ef2e	61230	-	'No DSR' / 'No CTS' Error
    ef39	61241	-	Disable Timer
    ef4a	61258	-	Compute Bit Count
    ef59	61273	-	RS-232 Receive
    ef7e	61310	-	Set Up To Receive
    ef90	61328	-	Process RS-232 Byte
    efe1	61409	-	Submit to RS-232
    f00d	61453	-	No DSR (Data Set Ready) Error
    f017	61463	-	Send to RS-232 Buffer
    f04d	61517	-	Input From RS-232
    f086	61574	-	Get From RS-232
    f0a4	61604	-	Serial Bus Idle
    f0bd	61629	-	Table of Kernal I/O Messages		DATA
    f12b	61739	-	Print Message if Direct
    f12f	61743	-	Print Message
    f13e	61758	getin	Get a byte
    f157	61783	chrin	Input a byte
    f199	61849	-	Get From Tape / Serial / RS-232
    f1ca	61898	chrout	Output One Character
    f20e	61966	chkin	Set Input Device
    f250	62032	chkout	Set Output Device
    f291	62097	close	Close File
    f30f	62223	-	Find File
    f31f	62239	-	Set File values
    f32f	62255	clall	Abort All Files
    f333	62259	clrchn	Restore Default I/O
    f34a	62282	open	Open File
    f3d5	62421	-	Send Secondary Address
    f409	62473	-	Open RS-232
    f49e	62622	load	Load RAM
    f4b8	62648	-	Load File From Serial Bus
    f533	62771	-	Load File From Tape
    f5af	62927	-	Print "SEARCHING"
    f5c1	62913	-	Print Filename
    f5d2	62930	-	Print "LOADING / VERIFYING"
    f5dd	62941	save	Save RAM
    f5fa	62970	-	Save to Serial Bus
    f659	63065	-	Save to Tape
    f68f	63119	-	Print "SAVING"
    f69b	63131	udtim	Bump Clock
    f6dd	63197	rdtim	Get Time
    f6e4	63204	settim	Set Time
    f6ed	63213	stop	Check STOP Key
    f6fb	63227	-	Output I/O Error Messages
    f6fb	63227	-	'too many files'
    f6fe	63230	-	'file open'
    f701	63233	-	'file not open'
    f704	63236	-	'file not found'
    f707	63239	-	'device not present'
    f70a	63242	-	'not input file'
    f70d	63245	-	'not output file'
    f710	63248	-	'missing filename'
    f713	63251	-	'illegal device number'
    f72d	63277	-	Find Any Tape Header
    f76a	63338	-	Write Tape Header
    f7d0	63440	-	Get Buffer Address
    f7d7	63447	-	Set Buffer Stat / End Pointers
    f7ea	63466	-	Find Specific Tape Header
    f80d	63501	-	Bump Tape Pointer
    f817	63511	-	Print "PRESS PLAY ON TAPE"
    f82e	63534	-	Check Tape Status
    f838	63544	-	Print "PRESS RECORD..."
    f841	63553	-	Initiate Tape Read
    f864	63588	-	Initiate Tape Write
    f875	63605	-	Common Tape Code
    f8d0	63696	-	Check Tape Stop
    f8e2	63714	-	Set Read Timing
    f92c	63788	-	Read Tape Bits
    fa60	64096	-	Store Tape Characters
    fb8e	64398	-	Reset Tape Pointer
    fb97	64407	-	New Character Setup
    fba6	64422	-	Send Tone to Tape
    fbc8	64456	-	Write Data to Tape
    fbcd	64461	-	IRQ Entry Point
    fc57	64599	-	Write Tape Leader
    fc93	64659	-	Restore Normal IRQ
    fcb8	64696	-	Set IRQ Vector
    fcca	64714	-	Kill Tape Motor
    fcd1	64721	-	Check Read / Write Pointer
    fcdb	64731	-	Bump Read / Write Pointer
    fce2	64738	-	Power-Up RESET Entry
    fd02	64770	-	Check For 8-ROM
    fd12	64786	-	8-ROM Mask '80CBM'			DATA
    fd15	64789	restor	Restore Kernal Vectors (at 0314)
    fd1a	64794	vector	Change Vectors For User
    fd30	64816	-	Kernal Reset Vectors			WORD
    fd50	64848	ramtas	Initialise System Constants
    fd9b	64923	-	IRQ Vectors For Tape I/O		WORD
    fda3	64931	ioinit	Initialise I/O
    fddd	64989	-	Enable Timer
    fdf9	65017	setnam	Set Filename
    fe00	65024	setlfs	Set Logical File Parameters
    fe07	65031	readst	Get I/O Status Word
    fe18	65048	setmsg	Control OS Messages
    fe21	65057	settmo	Set IEEE Timeout
    fe25	65061	memtop	Read / Set Top of Memory
    fe34	65076	membot	Read / Set Bottom of Memory
    fe43	65091	-	NMI Transfer Entry
    fe66	65126	-	Warm Start Basic [BRK]
    febc	65212	-	Exit Interrupt
    fec2	65218	-	RS-232 Timing Table - NTSC	DATA
    fed6	65238	-	NMI RS-232 In
    ff07	65287	-	NMI RS-232 Out
    ff43	65347	-	Fake IRQ Entry
    ff48	65352	-	IRQ Entry
    ff5b	65371	cint	Initialize screen editor
    ff80	65408	-	Kernal Version Number [03]	DATA
    ;
    ; C64 Kernal Jump Table
    ;
    ff81	jmp $ff5b	cint		Init Editor & Video Chips
    ff84	jmp $fd23	ioinit		Init I/O Devices, Ports & Timers
    ff87	jmp $fd50	ramtas		Init Ram & Buffers
    ff8a	jmp $fd15	restor		Restore Vectors
    ff8d	jmp $fd1a	vector		Change Vectors For User
    ff90	jmp $fe18	setmsg		Control OS Messages
    ff93	jmp $edb9	secnd		Send SA After Listen
    ff96	jmp $edc7	tksa		Send SA After Talk
    ff99	jmp $fe25	memtop		Set/Read System RAM Top
    ff9c	jmp $fe34	membot		Set/Read System RAM Bottom
    ff9f	jmp $ea87	scnkey		Scan Keyboard
    ffa2	jmp $fe21	settmo		Set Timeout In IEEE
    ffa5	jmp $ee13	acptr		Handshake Serial Byte In
    ffa8	jmp $eddd	ciout		Handshake Serial Byte Out
    ffab	jmp $edef	untalk		Command Serial Bus UNTALK
    ffae	jmp $edfe	unlsn		Command Serial Bus UNLISTEN
    ffb1	jmp $ed0c	listn		Command Serial Bus LISTEN
    ffb4	jmp $ed09	talk		Command Serial Bus TALK
    ffb7	jmp $fe07	readss		Read I/O Status Word
    ffba	jmp $fe00	setlfs		Set Logical File Parameters
    ffbd	jmp $fdf9	setnam		Set Filename
    ffc0	jmp ($031a)	(iopen)		Open Vector [f34a]
    ffc3	jmp ($031c)	(iclose)   	Close Vector [f291]
    ffc6	jmp ($031e)	(ichkin)   	Set Input [f20e]
    ffc9	jmp ($0320)	(ichkout)	Set Output [f250]
    ffcc	jmp ($0322)	(iclrch)	Restore I/O Vector [f333]
    ffcf	jmp ($0324)	(ichrin)	Input Vector, chrin [f157]
    ffd2	jmp ($0326)	(ichrout)	Output Vector, chrout [f1ca]
    ffd5	jmp $f49e	load		Load RAM From Device
    ffd8	jmp $f5dd	save		Save RAM To Device
    ffdb	jmp $f6e4	settim		Set Real-Time Clock
    ffde	jmp $f6dd	rdtim		Read Real-Time Clock
    ffe1	jmp ($0328)	(istop)		Test-Stop Vector [f6ed]
    ffe4	jmp ($032a)	(igetin)	Get From Keyboad [f13e]
    ffe7	jmp ($032c)	(iclall)	Close All Channels And Files [f32f]
    ffea	jmp $f69b	udtim		Increment Real-Time Clock
    ffed	jmp $e505	screen		Return Screen Organization
    fff0	jmp $e50a	plot		Read / Set Cursor X/Y Position
    fff3	jmp $e500	iobase		Return I/O Base Address

    ;fff6	Vectors

    fff6	[5252]		-
    fff8	[5942]		SYSTEM

    ;fffa	Transfer Vectors
    fffa	[fe43]		NMI
    fffc	[fce2]		RESET
    fffe	[ff48]		IRQ