Gravitar (version 1) - 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
gravitar1	atari/bwidow.cpp		no	no	no	yes	Gravitar (version 1)	1982	Atari	gravitar	gravitar

display

tag	type	rotate	width	height	refresh	pixclock	htotal	hbend	hbstart	vtotal	vbend	vbstart	flipx
screen	vector	0			61.523438								no

driver

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

rom

name	size	crc	sha1	region	offset	status	optional	merge	bios
136010-110.l7	2048	1da0d845	99bccae0521c105388784175c475035bf19270a7	maincpu	2800	good	no
136010-107.mn7	4096	650ba31e	7f855ea13e2041a87b64fdff4b7ee0d7d97e4401	maincpu	3000	good	no
136010-108.np7	4096	5119c0b2	ec8a7072d2b8e2626a19c0451ea5ddb27ad80594	maincpu	4000	good	no
136010-109.r7	4096	defa8cbc	ffd618d846c219fb641311f1d95ffc9f6fb5a240	maincpu	5000	good	no
136010-101.d1	4096	acbc0e2c	2e0ff3b7ac9c0813e71942492146372bba382f1f	maincpu	9000	good	no
136010-102.ef1	4096	88f98f8f	c2174deed61ae8519a02c2ac8e2969f357733cfd	maincpu	a000	good	no
136010-103.h1	4096	68a85703	8a7956578cb6ebbeb74facedcbcb46f86ec92000	maincpu	b000	good	no
136010-104.j1	4096	33d19ef6	68f95e237427959d6ef64a5b4dd1e03db7389271	maincpu	c000	good	no
136010-105.kl1	4096	032b5806	b719792a177e74ec49e6952e445b9cdeaca7505f	maincpu	d000	good	no
136010-106.m1	4096	47fe97a0	7cbde4b59abde679c28d7547700b342f25762e4a	maincpu	e000	good	no
136002-125.n4	256	5903af03	24bc0366f394ad0ec486919212e38be0f08d0239	avg:prom	0	good	no	136002-125.n4
136010-111.r1	32	6bf2dc46	9961ac36978154cf0a4e1c40d41f867ce1f0b1da	proms	0	good	no	136010-111.r1
136010-112.r2	32	b6af29d1	62f9cbbe8dd04f3a81516198d2d8d6eafe1f0986	proms	20	good	no	136010-112.r2

chip

type	tag	name	clock
cpu	maincpu	MOS Technology 6502	1512000
cpu	pokey1	Atari C012294 POKEY	1512000
cpu	pokey2	Atari C012294 POKEY	1512000
audio	mono	Speaker
audio	pokey1	Atari C012294 POKEY	1512000
audio	pokey2	Atari C012294 POKEY	1512000
audio	discrete	Discrete Sound

device_ref

name
m6502
er2055
vector_device
screen
avg
speaker
pokey
pokey
discrete

sound

channels
1

input

players	coins	service	tilt
1	2	no	no

control

type	player	buttons	ways	reverse	minimum	maximum	sensitivity	keydelta	ways2	ways3	reqbuttons
joy		3	2	no

port, analog

port_tag	analog_masks
:DSW0
:DSW1
:IN0
:IN3
:IN4

dipswitch

Unused

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unused	DSW0	3

location

name	number	inverted
D4	7	yes
D4	8	yes

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
Off	0	yes
On	3	no

Lives

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Lives	DSW0	12

location

name	number	inverted
D4	5	yes
D4	6	yes

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
3	0	no
4	4	yes
5	8	no
6	12	no

Difficulty

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Difficulty	DSW0	16

location

name	number	inverted
D4	4	yes

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
Easy	0	yes
Hard	16	no

Unused

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unused	DSW0	32

location

name	number	inverted
D4	3	yes

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
Off	0	yes
On	32	no

Bonus Life

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Bonus Life	DSW0	192

location

name	number	inverted
D4	1	yes
D4	2	yes

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
10000	0	yes
20000	64	no
30000	128	no
None	192	no

Coinage

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Coinage	DSW1	3

location

name	number	inverted
B4	7	yes
B4	8	yes

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
2 Coins/1 Credit	1	no
1 Coin/1 Credit	0	yes
1 Coin/2 Credits	3	no
Free Play	2	no

Coin B

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Coin B	DSW1	12

location

name	number	inverted
B4	5	yes
B4	6	yes

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
*1	0	yes
*4	4	no
*5	8	no
*6	12	no

Coin A

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Coin A	DSW1	16

location

name	number	inverted
B4	4	yes

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
*1	0	yes
*2	16	no

Bonus Coins

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Bonus Coins	DSW1	224

location

name	number	inverted
B4	1	yes
B4	2	yes
B4	3	yes

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
1 each 5	128	no
2 each 4	96	no
1 each 4	64	no
1 each 3	160	no
1 each 2	32	no
None	0	yes

Service Mode

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Service Mode	IN0	16

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
Off	16	yes
On	0	no