Head On (2 players) - mame (0280) machine

MAME: 0280 - Released: 2025-08-29T22:26:57 - Machines: 48893 - rom: 364836 - disk: 1378

machine

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name	sourcefile	sampleof	isbios	isdevice	ismechanical	runnable	description	year	manufacturer	cloneof	romof
headon	sega/vicdual.cpp		no	no	no	yes	Head On (2 players)	1979	Gremlin

display

tag	type	rotate	width	height	refresh	pixclock	htotal	hbend	hbstart	vtotal	vbend	vbstart	flipx
screen	raster	0	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
316-163a.u27	1024	4bb51259	43411ffda3fe03b1d694f70791b0bab5786759c0	maincpu	0	good	no
316-164a.u26	1024	aeac8c5f	ef9ad63d13076a559ba12c6421ad61de21dd4c90	maincpu	400	good	no
316-165a.u25	1024	f1a0cb72	540b30225ef176c416ea5b142fe7dbb67b7a78fb	maincpu	800	good	no
316-166c.u24	1024	65d12951	25fb0da2ea62a2b1ec214ce5c599a183e121b98a	maincpu	c00	good	no
316-167c.u23	1024	2280831e	128e7f7444440f113b3395dcb333281e0e8bef93	maincpu	1000	good	no
316-192a.u22	1024	ed4666f2	a12c22bfbb027eab3181627804b69129e89bd22c	maincpu	1400	good	no
316-193a.u21	1024	37a1df4c	45e1670351f0ef92ef4d9100b0e60ae598df4275	maincpu	1800	good	no
316-0138.u44	32	67104ea9	26b6bd2a1973b83bb9af4e3385d8cb14cb3f62f2	proms	0	good	no
316-0043.u87	32	e60a7960	b8b8716e859c57c35310efc4594262afedb84823	user1	0	good	no
316-0042.u88	32	a1506b9d	037c3db2ea40eca459e8acba9d1506dd28d72d10	user1	20	good	no

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
1	1	no	no

control

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

port, analog

port_tag	analog_masks
:COIN
:COLOR_BW
:IN0
:IN1

configuration

Cabinet

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Cabinet	COLOR_BW	1

setting

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
Color	0	yes
Black and White	1	no

dipswitch

Lives

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Lives	IN0	3

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
3	0	yes
4	1	no
5	2	no
6	3	no

Demo Sounds

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Demo Sounds	IN0	4

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
Off	4	no
On	0	yes