unknown 'Space Invaders' gambling game (unencrypted) - 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
unksigb	misc/4enraya.cpp		no	no	no	yes	unknown 'Space Invaders' gambling game (unencrypted)	199?	<unknown>	unksig	unksig

display

tag	type	rotate	width	height	refresh	pixclock	htotal	hbend	hbstart	vtotal	vbend	vbstart	flipx
screen	raster	0	256	224	60.000000								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
u144	32768	8f19f1d3	6c7364cdb68974ac600c75d4b8c7646a7f218e27	maincpu	8000	good	no
u172	32768	f8a358fe	5c4051de156014a5c2400f4934e2136b38bfed8c	chars	0	good	no	r.bin
u171	32768	56ac5874	7ae63f930b07cb1b4989c8328fcc3627d8ff68f8	chars	2000	good	no	b.bin
u170	8192	f9c686fc	b34412be047e04fc6aca218adf61bbe233908bd7	chars	4000	good	no

chip

type	tag	name	clock
cpu	maincpu	Zilog Z80	4000000
audio	mono	Speaker
audio	aysnd	AY-3-8910A PSG	2000000

device_ref

name
z80
screen
gfxdecode
palette
speaker
ay8910
nvram

sound

channels
1

input

players	coins	service	tilt
1	3	no	no

control

type	player	buttons	ways	reverse	minimum	maximum	sensitivity	keydelta	ways2	ways3	reqbuttons
joy		1	8	no

port, analog

port_tag	analog_masks
:DSW1
:DSW2
:IN1
:IN2

dipswitch

DSW1-1

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
DSW1-1	DSW1	1

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
Off	0	yes
On	1	no

DSW1-2

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
DSW1-2	DSW1	2

value

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

DSW1-3

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
DSW1-3	DSW1	4

value

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

DSW1-4

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
DSW1-4	DSW1	8

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
Off	0	yes
On	8	no

DSW1-5

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
DSW1-5	DSW1	16

value

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

DSW1-6

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
DSW1-6	DSW1	32

value

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

DSW1-7

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
DSW1-7	DSW1	64

value

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

DSW1-8

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
DSW1-8	DSW1	128

value

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

DSW2-1

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
DSW2-1	DSW2	1

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
Off	0	yes
On	1	no

Gambling Game

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Gambling Game	DSW2	2

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
No	2	no
Yes	0	yes

DSW2-3

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
DSW2-3	DSW2	4

value

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

DSW2-4

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
DSW2-4	DSW2	8

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
Off	0	yes
On	8	no

DSW2-5

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
DSW2-5	DSW2	16

value

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

DSW2-6

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
DSW2-6	DSW2	32

value

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

Gambling Game Credits Value

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Gambling Game Credits Value	DSW2	64

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
1 Credit/Point = 100	64	no
1 Credit/Point = 500	0	yes

Clear NVRAM (On, reset, Off, reset)

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Clear NVRAM (On, reset, Off, reset)	DSW2	128

value

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

Sound Hardware

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Sound Hardware	IN1	128

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
Type 1 (AY-3-8910 mapped at 17h, 27h, 37h)	0	yes
Type 2 (Unknown device mapped at 20h, 30h)	128	no