Multi-Action 7551-21-R2P - 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
ma7551p	merit/merit3xx.cpp		no	no	no	yes	Multi-Action 7551-21-R2P	199?	Merit

display

tag	type	rotate	width	height	refresh	pixclock	htotal	hbend	hbstart	vtotal	vbend	vbstart	flipx
screen	raster	0	512	256	60.125060	10000000	616	0	512	270	0	256	no

driver

status	emulation	savestate	requiresartwork	unofficial	nosoundhardware	incomplete	cocktail
preliminary	preliminary	unsupported	no	no	no	no

rom

name	size	crc	sha1	region	offset	status	optional	merge	bios
u8_7551-21-r2p.u8	32768	a2ae7a03	2d923cf068fd1b9bd5f48a110f5155b876b9ba37	maincpu	0	good	no
u9_7551-21-r2p.u9	32768	2e669bc9	376e808a62e92169a5ae34b9ef808fe4eda6c13c	maincpu	8000	good	no
u10_7551-21-r2p.u10	32768	e9425269	030a3d9beafd08c5a571672fb6987525c8d9a0f5	maincpu	10000	good	no
u15_7551-21-r2p.u15	32768	31283190	153601d5df7fbbc116f876399ce194797175be2f	maincpu	20000	good	no
u14_7551-21-r2p.u14	32768	fe993b57	4c872b3dff278298558493f6fd9a64be63613956	maincpu	28000	good	no
u13_7551-21-r2p.u13	32768	9194d993	52d094f55c329a7f0b4bf1dd02a7784e9a9faa12	maincpu	30000	good	no
u12_7551-21-r2p.u12	32768	8ca19c9c	a694a9be8b6d2beea8ee171dcfb2fa64eb6af14c	maincpu	38000	good	no
u46_nc+.u46	65536	5140ca67	0f5f7062cd874529630fd6f58e640c11f0692786	gfx1	0	good	no
u47_nc+.u47	65536	5f1d8ffa	c8fe36f91ddd634e6d66434342b8dafdc1ffa332	gfx1	10000	good	no
u48_nc+.u48	65536	1ef22a70	f33db37dc6e2ded3a39907eb5f5ea6306fd6f8b0	gfx1	20000	good	no
dallas_ds1225y-150.u7	8192	2526c25c	fe7d54e65dc7bd93576f496160f63b3c8e8c128b	nvram	0	good	no
dallas_ds1230y-120.u17	32768	54099035	2a8854a862bc24ff72470660e60e9e4228158b42	nvram2	0	good	no

chip

type	tag	name	clock
cpu	maincpu	Zilog Z80	5000000
audio	speaker	Speaker
audio	ymsnd	YM2149 SSG	1843200

device_ref

name
z80
nvram
i8255
i8255
screen
hd6845s
bt476
ns16550
gfxdecode
speaker
ym2149

sound

channels
1

feature

type	status	overall
sound	unemulated

input

players	coins	service	tilt
1	2	yes	no

control

type	player	buttons	ways	reverse	minimum	maximum	sensitivity	keydelta	ways2	ways3	reqbuttons
gambling		12		no

port, analog

port_tag	analog_masks
:IN0
:IN1
:IN2
:PB

dipswitch

IN1.1

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
IN1.1	IN1	1

value

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

IN1.6

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
IN1.6	IN1	32

value

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

IN1.7

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
IN1.7	IN1	64

value

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

IN2.2

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
IN2.2	IN2	2

value

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

IN2.4

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
IN2.4	IN2	8

value

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

IN2.5

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
IN2.5	IN2	16

value

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

IN2.6

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
IN2.6	IN2	32

value

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

IN2.7

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
IN2.7	IN2	64

value

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

IN2.8

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
IN2.8	IN2	128

value

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

PB

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
PB	PB	1

value

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

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	PB	2

value

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

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	PB	4

value

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

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	PB	8

value

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

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	PB	16

value

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

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	PB	32

value

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

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	PB	64

value

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

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	PB	128

value

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