Dodge City (9131-02, U9-2B) - 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
dodgectya	merit/meritm.cpp		no	no	no	yes	Dodge City (9131-02, U9-2B)	1988	Merit	dodgecty	dodgecty

display

tag	type	rotate	width	height	refresh	pixclock	htotal	hbend	hbstart	vtotal	vbend	vbstart	flipx
screen	raster	0	543	465	59.922749	21477272	684	0	543	524	10	475	no

driver

status	emulation	savestate	requiresartwork	unofficial	nosoundhardware	incomplete	cocktail
imperfect	good	unsupported	no	no	no	no

rom

name	size	crc	sha1	region	offset	status	optional	merge	bios
9131-02_u9-2b.u9	65536	4e8f9f67	7d0c1963c83d00d62c80ff25345d7414031d724c	maincpu	0	good	no
9131-02_u10-0.u10	65536	bc3391f3	4df46f31489bc5e3de3f6fc917e23b9bb5231e5a	maincpu	10000	good	no	9131-02_u10-0.u10
9131-02_u11-0.u11	65536	f137d70c	8ec04ec17300aa3a6ef14bcca1ca1c2aec0eea18	maincpu	20000	good	no	9131-02_u11-0.u11

chip

type	tag	name	clock
cpu	maincpu	Zilog Z80	3579545
audio	mono	Speaker
audio	aysnd	AY8930 EPSG	1789772

device_ref

name
z80
i8255
z80pio
z80pio
nvram
ds1204
v9938
v9938
timer
timer
screen
speaker
ay8930

sound

channels
1

feature

type	status	overall
graphics	imperfect

input

players	coins	service	tilt
1	2	yes	no

control

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

port, analog

port_tag	analog_masks
:DSW
:PIO1_PORTA
:PIO1_PORTB

dipswitch

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	DSW	1

location

name	number	inverted
SW1	1	no

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	DSW	2

location

name	number	inverted
SW1	2	no

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	DSW	4

location

name	number	inverted
SW1	3	no

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	DSW	8

location

name	number	inverted
SW1	4	no

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	DSW	16

location

name	number	inverted
SW1	5	no

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	DSW	32

location

name	number	inverted
SW1	6	no

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	DSW	64

location

name	number	inverted
SW1	7	no

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	DSW	128

location

name	number	inverted
SW1	8	no

value

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