Omega Race (set 1) - 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
omegrace	midway/omegrace.cpp		no	no	no	yes	Omega Race (set 1)	1981	Midway

display

tag	type	rotate	width	height	refresh	pixclock	htotal	hbend	hbstart	vtotal	vbend	vbstart	flipx
screen	vector	0			40.000000								no

driver

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

rom

name	size	crc	sha1	region	offset	status	optional	merge	bios
omega.m7	4096	0424d46e	cc1ac6c06ba6f6e8466fa08286a0c70b5335af33	maincpu	0	good	no
omega.l7	4096	edcd7a7d	5d142de2f48b01d563578a54fd5540e5d0ac8f4c	maincpu	1000	good	no
omega.k7	4096	6d10f197	9609a0cbeeef2efa10d49cde9f0afdca96e9c2f8	maincpu	2000	good	no
omega.j7	4096	8e8d4b54	944192c0f6f0cdb25d492ee9f33959d38a1062f2	maincpu	3000	good	no
omega.e1	2048	1d0fdf3a	3333397a9745874cea1dd6a1bda783cc59393b55	vectorrom	0	good	no
omega.f1	2048	d44c0814	2f216ee6de88bbe09775619003aee2d5aa8c554d	vectorrom	800	good	no
sound.k5	2048	7d426017	370f0fb5608819de873c845f6010cbde75a9818e	audiocpu	0	good	no
dvgprom.bin	256	d481e958	d8790547dc539e25984807573097b61ec3ffe614	dvg:prom	0	good	no

chip

type	tag	name	clock
cpu	maincpu	Zilog Z80	3000000
cpu	audiocpu	Zilog Z80	1500000
audio	mono	Speaker
audio	ay1	AY-3-8912A PSG	1000000
audio	ay2	AY-3-8912A PSG	1000000

device_ref

name
z80
z80
nvram
watchdog
vector_device
screen
dvg
speaker
generic_latch_8
ay8912
ay8912

sound

channels
1

input

players	coins	service	tilt
2	2	no	yes

control

type	player	buttons	ways	reverse	minimum	maximum	sensitivity	keydelta	ways2	ways3	reqbuttons
dial	1	2		no	0	63	12	10
dial	2	2		no	0	63	12	10

port, analog

port_tag	analog_masks
:AVGDVG
:DSW1
:DSW2
:IN0
:IN1
:SPIN0	63
:SPIN1	63

dipswitch

1st Bonus Life

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
1st Bonus Life	DSW1	3

location

name	number	inverted
SW1	1	no
SW1	2	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
40k	0	no
50k	1	no
70k	2	no
100k	3	yes

2nd & 3rd Bonus Life

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
2nd & 3rd Bonus Life	DSW1	12

location

name	number	inverted
SW1	3	no
SW1	4	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
150k 250k	0	no
250k 500k	4	no
500k 750k	8	no
750k 1500k	12	yes

Credit(s)/Ships

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Credit(s)/Ships	DSW1	48

location

name	number	inverted
SW1	5	no
SW1	6	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
1C/2S 2C/4S	0	no
1C/2S 2C/5S	16	no
1C/3S 2C/6S	32	no
1C/3S 2C/7S	48	yes

Unused

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unused	DSW1	64

location

name	number	inverted
SW1	7	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
Off	0	no
On	64	yes

Unused

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unused	DSW1	128

location

name	number	inverted
SW1	8	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
Off	0	no
On	128	yes

Coin A

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Coin A	DSW2	7

location

name	number	inverted
SW2	1	no
SW2	2	no
SW2	3	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
2 Coins/1 Credit	6	no
1 Coin/1 Credit	7	yes
4 Coins/5 Credits	3	no
3 Coins/4 Credits	4	no
2 Coins/3 Credits	5	no
1 Coin/2 Credits	0	no
1 Coin/3 Credits	1	no
1 Coin/5 Credits	2	no

Coin B

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Coin B	DSW2	56

location

name	number	inverted
SW2	4	no
SW2	5	no
SW2	6	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
2 Coins/1 Credit	48	no
1 Coin/1 Credit	56	yes
4 Coins/5 Credits	24	no
3 Coins/4 Credits	32	no
2 Coins/3 Credits	40	no
1 Coin/2 Credits	0	no
1 Coin/3 Credits	8	no
1 Coin/5 Credits	16	no

Free Play

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Free Play	DSW2	64

location

name	number	inverted
SW2	7	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
Off	0	yes
On	64	no

Cabinet

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Cabinet	DSW2	128

location

name	number	inverted
SW2	8	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
Upright	0	yes
Cocktail	128	no

Service Mode

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Service Mode	IN0	128

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
Off	128	yes
On	0	no