ROMLOW
------
$008d
$00a4		hidden function: software revision info.
$00d6		keyboard processor error 02
$00df		keyboard processor error 01
$00f7		keyboard calibration failed
$010d		keyboard disabled
$012e
$01a5		button 3 (keyboard stuff?)
$01b6		hidden function: erase all memory and reinitialize
$01bd		hidden function: warm reset (jams machine!)
$01c2		hidden function: software revision information
$01c9		hidden function: creators of the SQ80
$01d0		hidden function: analog voltage check
$01d9		hidden function: filter calibration
$01e2		hidden function: keyboard recalibration
$0233		INC/DEC handler
$0486		INC/DEC possibility check
$048b		DEC
$0497		INC
$049e		parameter 0-9 INC/DEC handler preparation
$0506		panel communication: send $fbfe if $e1=0
$0510		panel communication: send $fbe6 if $e1=1
$0518		panel communication: send $fbe5 if $e1>1
$0528		panel communication: send $fb($da)|$00d0 
$0845		ENV1-4 buttons
$0853		LFO1-3 buttons
$0861		OSC1-3 buttons
$086f		DCA1-3 buttons
$08e0		VOICE group handler
$088e		BANK/SEQ 1-4 handler
$0934		SEQ/CARTa/CARTb/INT handler
$0976		MASTER group handler
$09B6		edit/compare program
$09e4		write program
$0a27		STORAGE menu
$0a4f		CONTROL menu
$0ad5		program write
$0adE		program parameter change
$1000-$1858	scaling tables?
$1859-$18Eb	clear DOSRAM and struct table at $4070, do some magic
$18ec		STORAGE/MIDI: SEND
$18f7		STORAGE/MIDI: LOAD
$1908		STORAGE/TAPE: SAVE	($0D=$00)
$1913		STORAGE/TAPE: LOAD	($0D=$01)
$1920		STORAGE/TAPE: VERIFY 	($0D=$80)
$193e		MIDI/SEND: current program
$1951		MIDI/SEND: int. prog. banks
$1964		MIDI/SEND: int. seq / current seq.
$1975		MIDI/SEND: int. seq / all seq.
$19b0		menu a button 3/4
$19be		menu a button 7-9
$19f7		menu b button 7
$1a19		menu b button 2
$1a34		menu b button 4
$1c4e		prepare sound bank transfer OSRAM<>CART
$1e02		DUART: set counter to $07d0, clock x1
$1fe2-$1fff	spare ($FF)
$2000		perform floppy reset ($23d4)
$2003		floppy access master routine
$2016		floppy jobcode handling
$202c		init floppy access
$2048		sound transfer (jobcode 4-7)
$2063		directory access (jobcode 0/1/9)
$20b4		SEQRAM transfer (jobcode 2/3)
$20ce		directory read  (jobcode 0)
$20dc		directory write (jobcode 1)
$20e7		SEQRAM read  (jobcode 2)
$20f2		SEQRAM write (jobcode 3)
$20fd		program bank read  (jobcode 4)
$2108		program bank write (jobcode 5)
$2113		single sound read  (jobcode 6)
$211e		single sound write (jobcode 7)
$2129		directory read (jobcode 9)
$2132		process jobcode 8 / set head/track/sector
$217d		transfer 10 sectors to DOSRAM $5000
$2195		transfer DOSRAM $5000 to 10 sectors
$21a0		check for end of transfer / prepare next transfer
$21da		consecutive track access (heads 0-4)
$223b		transfer SEQRAM to/from disk
$22e9		prepare transfer of DOSRAM ($5800) to/from disk
$2304		analyze floppy status (get error code)
$2329		read 10 sectors (1 track) from disk (5120 bytes)
$235e		write 10 sectors (1 track)  to disk (5120 bytes)
$239d		floppy LED / motor on
$23a7		floppy LED / motor off
$23ab		seek track, retry 2 times on error
$23d4		floppy reset
$23ea		LDD $0DD3/4x LSRA/ANDA #$0E/STA $0DDD
$23f7		transfer DOSRAM to SEQRAM

$241e-$2429	sector buffer vectors (DOSRAM)
	$241e	$404b	sector 0 buffer
	$2420	$449f	sector 1 buffer
	$2422	$48f3	sector 2 buffer
	$2424	$4d47	sector 3 buffer
	$2426	$519b	sector 4 buffer
	$2428	$55ef	sector 5 buffer

$242a		verify sector (jobcode 8)
$2437		access head 0, prepare head 1
$2442		read 5 sectors from disk 
$24ac		format sectors 0 to 5
$250a		write 10 tracks to disk
$2550		create sector ID address entry
$2577		create empty sector data entry (%110110110110110110)
$259f		write byte to sector data
$25aa		verify disk
$261a		read sector from disk
$263f		store sector data to OSRAM
$2643		verify sector
$266a		write sector to floppy
$267d		access floppy head
$26bb		write track to floppy
$26c9		restore & update track register
$26d2		seek track w/ verify & update track register
$26e0		step in & update track register
$26e9		step out & update track register
$26f2		reset floppy & get status
$2708		delay routine
$2719		get floppy status after sector read
$2728		get floppy status after seek of track 0
$2737		get floppy status after seek of other tracks
$273b		get floppy status after sector write
$2743		get floppy status after track write
$274b		get floppy status (other commands)

$2751-$2764	vectors for floppy jobcode handler
	$2751	$7063	directory access (read)
	$2753	$7063	directory access (write)
	$2755	$70b4	SEQRAM transfer (read)
	$2757	$70b4	SEQRAM transfer (write)
	$2759	$7048	program bank transfer (read)
	$275a	$7048	program bank transfer (write)
	$275c	$7048	single sound transfer (read)
	$275e	$7048	single sound transfer (write)
	$2761	$742a	verify sector
	$2763	$7063	directory access (read) 

$2765-$2a3c	floppy access tables
	$2765-$2774	directory positions
	$2775-$279c	position of 10 SEQRAM contents
	$279d-$283c	position of 40 program banks
	$283d-$2a3c	position of 128 single sounds

	format: %a00x 000y	a = head change needed,
				x = actual head, y = next head
		$st		start track
		$et		end track
		$xy		x = start sector, y = end sector

$2b2b
$2c3d
$2f4a-$2f5d	table (exponential 0 to $48 (72)?)
$2f5e		initialize program edit buffers
$2f9b-$2fff	spare ($FF)
$3000-$3fef	factory presets organized as 40 PCBs
$3ff0-$3fff	spare ($00)
$4514-$4533	table 
$4717-$4726	table
$48aa-$47b9	table
$5000-$5fb9	system messages & menu
$5Fba-$5fff	spare ($FF)
$6000-$63B8	table (16bit)
$63b9-$6cc4	system messages & menu
$63b9-$657a	wave names
$657b-$6586	LFO wave names
$6cc5-$6ce8	disk status message vectors
$6ce9-$6ffd	disk status & disk copy messages
$6ffe/$6fff	spare ($FF)
$7000-$7fff	oscillator pitch values (hi/lo)

ROMHIGH
-------
$8097		jump to selected track menu
$8102		TRACK MIX menu
$81af		TRACK MIDI CHAN menu
$820b		TRACK STATUS menu
$822a		show track status
$8238		print status of track in A
$8266		TRACK PROG NUM menu
$8285		print XXX to unused track specified by $b6 (track base: U)
$82c1		create track data table for display
$82ed		TRACK menu: set number of items, max. par. value & handler
$82d7		print XXX to track specified by $b6
$82ff		SWI2		($0b8b=2)
$8303		SWI3		($0b8b=3)
$830a		RESET / SWI 	($0b8b=0,1)
$8324		DOC master reset
$83f3		perform jump to handler routine
$8429		mysterious stack manipulation through $0e
$844b		[$0e]+$02/$0c magic
$8460		store A to [$0e]+$0c
$8479		if $10 != 0 goto $848a, else SWI		[$FFE2]
$848a		$10/$11, $12, $13 manupulation
$849f		move $10 to [$10], store Y to $10 and DEC $12 	[$FFE4]
$84ae		perform jump to "postcode address"
$8516		init DOC
$853d		IRQ: serial interrupt (-> $8C2F)
$8547		IRQ: counter irq (-> $99E6)
$854e		IRQ: input port change (-> $9A3E)
$8555		IRQ: front panel rx (-> $872B)
$855c		IRQ: front panel tx (-> $98B5)
$8563		IRQ: spurious interrupt
$8565		init DUART
$85a0		restore outport configuration
$85a7		jump to ROMLOW $2b2b
$85b4		perform indirekt jump within ROMLOW
$85ef		copy factory presets to sound buffer
$8602		master init (communication, stack...)
$8636		reset & disable MIDI rx/tx
$8658		reset & disable front panel rx/tx
$8693
$86c8		send #$FCF0 to panel
$86d2		reset display
$86f1		enable transmitter B, send #$fb(B), wait for answer
$8714		outport sequence xx01->0101
$872B		front panel data receive IRQ handler
$88b5
$89b0		reset & initialize MIDI interface
$8a8c		send all program dump request
$8abb		send PROGRAM CHANGE
$8ae5		send CHANNEL PRESSURE
$8b08		send SONG SELECT
$8b1f		send SONG POSITION
$8b31		send SEQUENCER START
$8b35		send SEQUENCER STOP
$8b39		send SEQUENCER CONTINUE
$8b45		send NOTE OFF (1)
$8b50		send NOTE OFF (2)
$8b6c		send NOTE ON (1)
$8b77		send NOTE ON (2)
$8ba1		send NOTE ON (3)
$8ba5		send PITCH BEND
$8bb5		send controller in B with value in $e0
$8bc4		send CONTROLLER
$8bd7		send POLYPHONIC PRESSURE
$8be4		send ALL NOTES OFF
$8bf4		send 2 byte command via MIDI with data in $1e/$1f
$8c14		send TIMING CLOCK
$8c16		transmit data byte via MIDI ($18 holds tx buffer address)
$8c2f		DUART port A (MIDI) interrupt handler
$8c5f		DUART interrupt source checking
$8c66		move MIDI rx handler from stack to $1c
$8c6b		move MIDI tx handler from stack to $25
$8c70		DUART port A (MIDI) interrupt: transmitter empty
$8c76		MIDI transmit routine
$8c8c		main MIDI transmit routine
$8ca7		DUART port A (MIDI) interrupt: receiver ready
$8cb3		MIDI receive mode "$11" (command/data)
$8cbc		MIDI receive: process command
$8cc6		MIDI receive: sysex message received
$8d3a		jump to data processing handler
$8d44		move MIDI rx handler from stack to $1c and RTS
$9021		midi
$902f		midi
$9034		midi
$9039		midi
$9053		midi
$9070		midi
$9091		sysex handler?
$90a1		sysex handler?
$90bd-$90dc	MIDI data processing handler hooks
$9123
$9147
$9181		disk ?
$9238
$927d
$9390		MIDI data transfer
$94b7		midi
$94e3		midi
$96ae		transmit sysex header
$96bd		transmit single program dump header
$96c4		transmit all program dump header
$9728		DUART: reset error / break, disable MIDI
$9733		DUART: reset error / break, finish sysex
$9750		midi
$97af		DUART: reset error / break, get last rx-byte
$97cd		delay loop (#$04e2)
$97d5		MIDI receive retry on error
$97e5		MIDI receive on error/break
$980d		transmit B register via MIDI
$9818		transmit 8bit value as 2x4bit, calculate checksum ($32)
$9845		transmit $F0 $7E $DE $06 $02 $0F $02 $00 $03 $00 $00 $00 $01
		followed by stacked data, $F7
$9954
$9956		MIDI seq. send to SQ80 handler
$995a		print system messages
$9979		clear display
$997d		print characters in A, B to display
$9981		print character in A to display
$99b5		front panel txrdy IRQ handler
$99c7		transmit display buffer to panel
$99db		set output port to $8040
$99e6		counter IRQ handler
$9a3e		inport change IRQ handler
$9a54
$9a2e		store ($fa) to $640f-($fb)
$9ab5		select ROMLOW page stored in $0ddd
$9abe		step through RAM area $4000-$5FFF
$9ad6		transfer DOSRAM to SEQRAM
$9b09		transfer SEQRAM to DOSRAM
$9b29		select DOSRAM and ROMLOW $2000
$9b35		DISK menu: format button handler
$9b51		DISK menu: copy button handler
$9b58		DISK menu: save button handler
$9b68		DISK menu: load button handler
$9b73		DISK menu: delete button handler
$9ba9		DISK/SAVE menu
$9bc8		floppy buffer magic
$9c00		DISK/FORMAT menu
$9c5c		DISK/x menu: file type select handler
$9d22
$9eae		DISK/SAVE: save current file
$9ed5		DISK/x: floppy access (1) (read/write)
$9ef0		floppy access (2)
$9e99		DISK/LOAD: load edit program
$9f26		print disk error message indicated by A
$9f37
$9f64		transfer internal sounds ($1010-$1FFF) to $5000-$5FEF
$9f7e		transfer internal sounds to $5000-$5FEF (extended)
$9f96		DISK/DELETE: delete program
$9f9e		disk
$9fa8-$9faf	string "SEQBANK-"
$a144
$a219
$a227
$a256		DISK/COPY menu (check destination, read source)
$a3b4		DISK/COPY menu (copy to destination)
$a3cd		DISK/COPY menu (disk is not destination)
$a3d7		DISK/COPY menu (read source)
$a3f7		DISK/COPY menu (disk is not source)
$a45a		prepare SONG menu
$a467		SOFTKEY handler, a=b=(keycode-$2a), handler=($0d11)
$a607		menu
$a641
$a64b		select ROMLOW $2000-$2FFF
$a651		select ROMLOW $1000-$1FFF
$a657		select ROMLOW $6000-$6FFF
$a65d		select ROMLOW $5000-$5FFF
$a663		select ROMLOW $3000-$3FFF
$a669		select ROMLOW $7000-$7FFF
$a674		STORAGE menu: DISK
$a680		STORAGE menu: MIDI
$a68c		STORAGE menu: CARTRIDGE
$a69c		STORAGE menu: TAPE
$a6ad		STORAGE menu: MIDI 
$a6bb		MIDI LOAD/SEND menu ($0D=$00/$01)
$a6c9		menu button 3/4, 7-9 ($19b0)
$a6e5		menu button 7, 2, 4 ($19f7)
$a6d7		TAPE menu
$a6e5		TAPE LOAD/SAVE/VERIFY menu ($0D=$00/$01/$80)
$a727		CARTRIDGE menu: CART A TO INT
$a739		CARTRIDGE menu: CART B TO INT
$a75a		CARTRIDGE menu: INT TO CART A
$a769		CARTRIDGE menu: INT TO CART B
$a7d5		SEQUENCER handler
$a9d5-$a9f5	string " ** SEQUENCER MUST BE STOPPED ** "
$a9fb		print " ** SEQUENCER MUST BE STOPPED ** "
$aa03
$aab0
$ab0b		track related
$ac56		CREATE menu: NEW SEQ
$ac91		CREATE menu: NEW SONG
$acd7		CREATE menu: ERASE SEQ
$acf9		CREATE menu: ERASE SONG
$ad1c		edit song stuff !check!
$ad26		CREATE menu: ERASE ALL
$adca		string "XXXX"
$adce		copy "XXXX" to screen buffer
$adf1		string "SONG"
$adf5		create SONG menu 
$ae51		SAVE CHANGES TO OLD SEQUENCE: YES
$ae57		SAVE CHANGES TO OLD SEQUENCE: NO
$aecF		LOCATE menu: GOTO
$aef5		LOCATE menu: BACKUP
$af08		LOCATE menu: BEGIB
$b028		EDIT menu
$b03E		EDIT menu: SONG
$b053		EDIT menu: SEQ
$b05C		EDIT menu: TRACK
$b067		EDIT menu: STEP
$b074		EDIT menu: EXIT
$b07C		check if track has been selected
$b08d		check if track contains data
$b0a8		check seq (A=0)
$b0ab		check seq (A=1)
$b0dc		check if song has been selected
$b0ec		SELECT SEQ. IN SONG: yes
$b0f2		SELECT SEQ. IN SONG: no
$b0fa		song related !check!
$b111		EDIT STEP menu !check!
$b187		EDIT SONG menu: SONG NAME
$b1a1		EDIT SONG menu: TRANSPOSE VALUE
$b1b0		EDIT SONG menu: SEQUENCE NUMBER
$b1bf		EDIT SONG menu: NUMBER OF REPEATS
$b1d5		EDIT SONG menu: INSERT STEP
$b1e7		EDIT SONG menu: DELETE STEP
$b1fb		EDIT SONG menu: PREVIOUS STEP
$b20b		EDIT SONG menu: NEXT STEP
$b21f		EDIT SONG menu: EXIT
$b25a		EDIT SEQUENCE menu
$b285		EDIT SEQUENCE menu: COPY
$b2c0		EDIT SEQUENCE menu: APPEND
$b2e9		EDIT SEQUENCE menu: DELETE
$b366		EDIT SEQUENCE menu: EXIT
$b372		COPY SEQUENCE: yes
$b392		COPY SEQUENCE: no
$b39a		APPEND SEQUENCE: yes
$b3e0		APPEND SEQUENCE: no
$b3e8		DELETE SEQUENCE: no
$b44c		DELETE SEQUENCE: yes
$b49b		EDIT TRACK menu
$b4b2		EDIT TRACK menu: QUANTIZE
$b4df		EDIT TRACK menu: REM-CTRLS
$b4f2		EDIT TRACK menu: COPY
$b51a		EDIT TRACK menu: ERASE
$b53a		EDIT TRACK menu: MERGE
$b55a		EDIT TRACK menu: TRANSPOSE
$b586		EDIT TRACK menu: EXIT
$b592		prepare COPY handler ($E880)
$b597		prepare REM-CTRLS handler ($E8C5)
$b59c		prepare MERGE handler ($E932)
$b5a1		prepare TRANSPOSE handler ($E90E)
$b5a6		EDIT TRACK <fct>: yes
$b5bd		EDIT TRACK <fct>: no
$b5d0		ERASE: yes
$b5e8		ERASE: no
$b5f0		QUANTIZE: yes
$b616		QUANTIZE: no
$b61e		EDIT step menu
$b671		button 5
$b68d		button 6
$b69f		button 7
$b6a8		button 8
$b6be		button 9
$b6d6		print "EDITING SEQUENCE DATA, PLEASE WAIT"
$b6e2		sound edit page?
$b71b
$b754
$b7b9		get waveform entry
$b823		print
$b827|8|9	print
$b82b		print
$b82e		print
$b841		print
$b854		print
$b85a		print
$b871|2		print
$b88e		print
$b8b1		print
$b8bb		print
$b8c1		print
$b8e1		print
$b8e5		print
$b8f2		print
$b8f9		print keyboard hardness
$b90b		print aftertouch mode
$b912		print countoff mode
$b919		print cartridge program name: (1) *CART* if cartridge absent
$b924		print cartridge program name: (2) name if cartridge present
$b931		print "OF" (short parameter)
$b93c		print "ON" (short parameter)
$b942		print OFF/ON
$b94e		print WAV in LFO menu
$b960		print OSC wave
$b967		print LFO wave
$b971		create screen buffer according to A/B/X
$b996		print modulator source 1
$b99c		print modulator source 2
$b9a5		print MIDI mode
$b9ac		print MOD/VOL/XXX/PRG/BNK/ALL/ONE/SYS
$b9b3		print enabled MIDI messages
$b9ba		print sequencer clock sync
$b9c3		print quantization value
$b9ca		print split/layer mode
$b9e8		print edit page name (LFOx, ENVx...)
$ba04-$ba54	print routine vectors
$ba56		transfer a program to buffer $0d30 (+$66)
$ba82
$bb46		stack & $10/$12 magic, jump to ROMLOE $012e
$bb75		check cartridge status
$bb91		cartridge error: print error message
$bbab
$bbb4		stack magic (a contains SWI mode)
$bbc7
$bbda
$bbe5		clear stored keycodes
$bbea		cartridge bank A access
$bbcd		edit song related !check!
$bbda
$bcb2		
$bc05
$bc17		no song selected
$bc20		
$bc29		analog voltage check
$bc5d		filter tuning sequence
$bc9c		RAD software copyright message
$bcae		$ac/$ad = $0000
$bcb2		$ac/$ad = $0101
$bcb6		clear bits 7-1 of $c7
$bcae		clear $acad
$bcb2		$acad=$0101
$bcb7		clear bit7-1 of $c7
$bcc0		set bit 7 of $c7
$bcca		clear $ac
$bccd		$ac = 1
$bcd5		$ad = 1
$bcdd		clear $ad
$bce0		erase all memory and reinitialize
$bcf2		erase all memory: yes
$bcff		erase all memory: no
$bd0d		keyboard processor error
$bd16		calibrate keyboard
$bf53		set $cd to 1
$bf5d		clear bit 7 of $a5
$bf65		set bit 7 of $a5
$bfad		MAIN menu
$c18f		locator menu
$c1dd-$c1e2	string " BAR= "
$c1e3-$c1e8	string " TMP= "
$c1e9-$c1ec	string "EXT "
$c2a9		TRACK TYPE menu
$c2ca		show track type of track B (with leading $e8)
$c2cf		show track type of track B
$c342		create new sequence
$c363		print sequencer mode on track screen if 2<$a8<$9
$c371		print sequencer mode on track screen
$c3ca		WAV
$c4ff		set $0203-$0216 to #$ff
$c6ca
$ca2e
$ca37		track related
$ca99
$cd9e
$d3f8-$d4ab	table
$d899
$d9e9
$da02-$da9d	table
$dc88
$e38c-$e39b	table
$e4d7-$e4dc	table ($40 $00 $00 $00 $00 $00)
$ed93-$eda8	table ($AD $B8 $11 $31 $A8 $12/$CA), 4 sets
$edab-$edc8	do portamento (?)
$edc9-$edce	reset portamento (?)
$eec8-$eee0	struct pattern at Y (4 times)
		xx xx xx xx xx xx xx xx xx xx 00 xx xx xx xx xx xx ED BC
$f24c-$f264	struct pattern, 3 sets
		F3 0C xx xx xx xx xx xx xx 
		F3 6A xx xx xx xx 
$f481		DOC 5503 A/D conversion
$f48d
$f4d0		data slider !check!
$f64a
$f6c0		convert A/D in -112/+112 range
$f6f8		FIRQ: input port change
$f736		FIRQ: counter (-> [$100A])
$f741		FIRQ handler 1 (access $640f-($09), prepare handler 2)
$f74a		FIRQ handler 2 (access $640f-($09), prepare handler 1)

$f75b		return from FIRQ / no FIRQ occured

$f75e-$f779	stack address, jump address, outport, step? accessed by $83CF
	$f75e	$0e90, $711b, $0e00, $00	(-> ROMLOW $011b)
	$f765	$0ef4, $7a3d, $0e04, $01	(-> ROMLOW $2a3d)
	$f76c	$0f58, $d9cd, $0e00, $02	(-> $d9cd, ROMLOW $0000)
	$f773	$0fbc, $ea4d, $0e00, $03	(-> $ea4d, ROMLOW $0000)

$f77a-$f78b	display positions for 10 parameter screens
	$f77a	$86, $8d, $94, $9b, $a2, $a3, $b5, $bc, $c3, $ca
	
$f784-$f78b	display positions for 8 parameter screens
	$f784	$84, $8c, $94, $9d, $a5, $b4, $bc, $c4

$f78c-$f7a3	menu texts (pointing to ROMLOW $0000)
	$f78c	$7cd3	ENV menu vector
	$f78e	$7d00	LFO menu vector
	$f790	$7d31	OSC menu vector
	$f792	$7d56	DCA menu vector
	$f794	$7d73	DCA4 menu vector
	$f796	$7d9e	FILT menu vector
	$f798	$7dc3	MODE menu vector
	$f79a	$7dfb	SPLIT/LAYER menu vector
	$f79c	$7e21	MASTER menu vector
	$f79e	$7e54	MIDI menu vector
	$f7a0	$7e84	CONTROL menu vector
	
$f7a2-$f7b5	button handlers (pointing to ROMLOW $0000)
	$f7a2	$7233	all buttons parsing
	$f7a4	$738a	RTS
	$f7a6	$7286	banks, data entry and softkey only parsing
	$f7a8	$72bb	sequencer-while-play buttons parsing 
	$f7aa	$737f	softkey only parsing
	$f7ac	$7233	all buttons parsing
	$f7ae	$738a	RTS
	$f7b0	$7374	data entry and softkey only parsing
	$f7b2	$7374	data entry and softkey only parsing
	$f7b4	$7374	data entry and softkey only parsing

$f7b6-$f7c9	parameter 0-9 INC/DEC handlers (pointing to ROMLOW $0000)
	$f7b6	$74a7
	$f7b8	$77cc
	$f7ba	$75d3
	$f7bc	$75ee
	$f7be	$77cc
	$f7c0	$74a7
	$f7c2	$74a7
	$f7c4	$77c3
	$f7c6	$75d3
	$f7c8	$77d6

$f7ca-$f80c	bank copy menu

$f80d-$f813	cartridge access error vectors
	$f80d	$7500	"NO CARTRIDGE INSTALLED"
	$f80f	$7518	"CART A BANK PROGRAMS DO NOT EXIST"
	$f811	$753b	"CART B BANK PROGRAMS DO NOT EXIST"
	$f813	$755e	"ILLEGAL CARTRIDGE TYPE"

$f814		screen positions (8 parameter screen)

$f81d-$f82b	"FILTER TUNING"

$f82c-$f830	"SEQ-"

$f831-$f835	"XXX-"

$f836-$f84f	track mix menu & positions of data
	$f836	"TRACK MIX *MORE*"
	$f848	$8e, $95, $9c, $a3, $b6, $bd, $c4, $cb

$f850-$f86f	track MIDI channel menu & positions of data
	$f836	"TRACK MIDI CHAN *MORE*"
	$f848	$91, $98, $9f, $a6, $b9, $c0, $c7, $ce

$f870-$f88c	track status menu & positions of data
	$f836	"TRACK STATUS *MORE*"
	$f848	$8e, $95, $9c, $a3, $b6, $bd, $c4, $cb

$f88d-$f8ab	track program number & positions of data
	$f836	"TRACK PROG NUM *MORE*"
	$f848	$90, $97, $9e, $a5, $b8, $bf, $c6, $cd

$f8ac-$f8af	"XXX" (unused track prog/type/chan)

$f8b0-$f8bc	"TRACKS TMP=" (static part of track menu)

$f8bd-$f8dc	track types & screen positions
	$f8bd-$f8c2	"*MIDI*"
	$f8c3-$f8c8	"*SEQ-*"
	$f8c9-$f8ce	"UNUSED"
	$f8cf-$f8d4	"*CART*"

	$f8d5		$8d, $94, $9b, $a2, $b5, $bc, $c3, $ca

$f8de-$f91c	unknown table

$f91d-$ffa3	4 scaling tables (8 bit)

$ffa4-$ffdf	spare ($ff)

$ffe0-$ffef	Kernel Jumptable
	$ffe0	$0000	
	$ffe2	$8479
	$ffe4	$849F
	$ffe6	$D939
	$ffe8	$D924
	$ffea	$D90F
	$ffec	$D8FC
	$ffee	$BB01

$FFF0-$FFFF	6809 Vector Table
	$FFF0	$830A	reserved (Reset)
	$FFF2	$8303	SWI3
	$FFF4	$82FF	SWI2
	$FFF6	$F6F8	FIRQ
	$FFF8	$853D	IRQ
	$FFFA	$830A	SWI (-> Reset)
	$FFFC	$7719	NMI (Romlow!)
	$FFFE	$830A	Reset