Head On 2 - 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
headon2	sega/vicdual.cpp		no	no	no	yes	Head On 2	1979	Sega

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
u27.bin	1024	fa47d2fb	b3208f5bce228c453bdafbc9c1f2c8e1bd920d32	maincpu	0	good	no
u26.bin	1024	61c47b15	47619bd51fcaf47dd72e940c474f310c9287f2f4	maincpu	400	good	no
u25.bin	1024	bb16db92	f57dfbe52b0e545c7c889ac846dc7281d28f2698	maincpu	800	good	no
u24.bin	1024	17a09f24	0cb40ec185f2ee3a26e943d84e8e2834d5f9d3ed	maincpu	c00	good	no
u23.bin	1024	0024895e	60f81c383f1541555c26f7cf111a12a34f7f4f3e	maincpu	1000	good	no
u22.bin	1024	f798304d	55526c6daead9b74a88e8bc0311155aa41a93210	maincpu	1400	good	no
u21.bin	1024	4c19dd40	0bdfed47594c7aa5ff655b507350fc6a912b6855	maincpu	1800	good	no
u20.bin	1024	25887ff2	67cfb5ac93902b4c603f02c876c021ff453e5f0e	maincpu	1c00	good	no
316-0138.u44	32	67104ea9	26b6bd2a1973b83bb9af4e3385d8cb14cb3f62f2	proms	0	good	no
316-0206.u65	32	9617d796	7cff2741866095ff42eadd8022bea349ec8d2f39	user1	0	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
:IN0
:IN1
:IN2

dipswitch

Lives

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Lives	IN1	24

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
4	24	yes
5	16	no
6	0	no

Demo Sounds

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Demo Sounds	IN2	2

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
Off	0	no
On	2	yes