Head On N - mame (0280) machine

MAME: 0280 - Released: 2025-08-29T22:26:57 - Lists: 731 - Software: 139884 - rom: 235974 - disk: 11384

machine

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name	sourcefile	sampleof	isbios	isdevice	ismechanical	runnable	description	year	manufacturer	cloneof	romof
headonn	sega/vicdual.cpp		no	no	no	yes	Head On N	1979	Nintendo	headon	headon

display

tag	type	rotate	width	height	refresh	pixclock	htotal	hbend	hbstart	vtotal	vbend	vbstart	flipx
screen	raster	270	256	224	60.000000	5156160	328	0	256	262	0	224	no

driver

status	emulation	savestate	requiresartwork	unofficial	nosoundhardware	incomplete	cocktail
imperfect	good	supported	no	no	no	no

rom

name	size	crc	sha1	region	offset	status	optional	merge	bios
rom.e4	1024	a6cd13fc	0fda6b06e7864feae8e4e94cf17f50c9c033aa39	maincpu	0	good	no
rom.f4	1024	d1cd498f	ded1a97c7f76af195b247135469b84c25d4096c4	maincpu	400	good	no
rom.g4	1024	0fb02db2	6e9ad34a205838339a76ba6eeaf02cf663c2b750	maincpu	800	good	no
rom.h4	1024	38db2d02	a86c4208154f65a83f55c1fbfd041b56ebd11106	maincpu	c00	good	no
rom.i4	1024	a04d8522	58d6c3168ac7227e78ff699449008dbf999ea794	maincpu	1000	good	no
rom.j4	1024	52bd2151	4f6bc10dabadf65f638aed46b0f0a1ba00e83afd	maincpu	1400	good	no
rom.k4	1024	9488a8b3	a7e8bc341c839eba3b84af78f19cefafe91d42e3	maincpu	1800	good	no
rom.l4	1024	a37f0be0	4548cf05256764588feeade29368f5abfbf75a7d	maincpu	1c00	good	no
prom.g2	32	67104ea9	26b6bd2a1973b83bb9af4e3385d8cb14cb3f62f2	proms	0	good	no	316-0138.u44
prom.b6	32	7e1cb76b	3366ead65d49cab076ccdafbb13726c7e05f8b9a	user1	0	good	no
prom.f2	32	a1506b9d	037c3db2ea40eca459e8acba9d1506dd28d72d10	user1	20	good	no	316-0042.u88

chip

type	tag	name	clock
cpu	maincpu	Zilog Z80	1933560
audio	mono	Speaker
audio	discrete	Discrete Sound

device_ref

name
z80
timer
screen
speaker
discrete

sound

channels
1

feature

type	status	overall
sound	imperfect

input

players	coins	service	tilt
2	1	no	no

control

type	player	buttons	ways	reverse	minimum	maximum	sensitivity	keydelta	ways2	ways3	reqbuttons
joy	1	1	4	no
joy	2	1	4	no

port, analog

port_tag	analog_masks
:COIN
:IN0
:IN1
:IN2
:IN3

dipswitch

Lives

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Lives	IN0	8

location

name	number	inverted
DSW	1	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
3	0	yes
4	8	no