Multi-Action 7551-20-R3T - 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
ma7551t	merit/merit3xx.cpp		no	no	no	yes	Multi-Action 7551-20-R3T	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_7551-20-r3t_1d98.u8	32768	a130ec60	7d09faf1c6a5df63890eb22317bb4a5ad55d8b8f	maincpu	0	good	no
u9_7551-20-r3t_8f39.u9	32768	6758e2f9	f114bd78e1d940190bc2771d90642dba566d47ed	maincpu	8000	good	no
u10_7551-20-r3t_a43c.u10	32768	3efb3bb4	6b39acecd577eb2f4b44c8421390f4035e5d5d84	maincpu	10000	good	no
u15_7551-20-r3t_0ff2.u15	32768	39203dd0	885424a7c0bdb85891188ca575c0c3ca3ecca04a	maincpu	20000	good	no
u14_7551-20-r3t_a786.u14	32768	63baf2a5	402f8bac78cdbe6d6df90db3e77bd9e97615ae21	maincpu	28000	good	no
u13_7551-20-r3t_5443.u13	32768	88f89dd9	0ce29f56f5a3643a2fb204ce2b919bea6f5dd3b5	maincpu	30000	good	no
u12_7551-20-r3t_4f74.u12	32768	9b818bb4	5f1228f500618d5de93c82dbc9c710651bdb22f6	maincpu	38000	good	no
u46_dma6_9c9a.u46	65536	138d1cc7	2043fcc580269966031d86dc445e03bddf83a412	gfx1	0	good	no
u47_dma6_ed62.u47	65536	4312f851	281f0fdf5ec0519c5fbdf73f2d8d567da626b13e	gfx1	10000	good	no
u48_dma6_a382.u48	65536	fd256128	e32da5242a8f0c68074326336938c60991d98fdc	gfx1	20000	good	no
dallas_ds1225y-150.u7	8192	d7d46736	98c7d6905f30e351583c90103aae0ca742ba070f	nvram	0	good	no
dallas_ds1230y-120.u17	32768	6fcc7313	6ee2dd8898e4b567a27ee5b8ed54e0cdc56f9553	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