Derby Derby - mame (0287) machine

machine

• XML • JSON • RUN

name	sourcefile	sampleof	isbios	isdevice	ismechanical	runnable	description	year	manufacturer	cloneof	romof
drderby	snk/drderby.cpp		no	no	no	yes	Derby Derby	1981	SNK

snap

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Derby Derby jpg snap thumbnail

Key	Length	LastWriteTime	Width	Height	HorizontalResolution	VerticalResolution	PaletteLength	PixelFormat	PropertyItems	PixelSHA1
drderby	2647	20/01/2026 16:31:18	240	256	96	96	0	Format24bppRgb	305:MAME 0.284 (mame0284)	ca6fea5c4a78a90d354cc4500ba604dd8ce388f6

display

tag	type	rotate	width	height	refresh	pixclock	htotal	hbend	hbstart	vtotal	vbend	vbstart	flipx
screen	raster	270	256	240	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
h1	2048	2b6fc963	bdbf71bd0994231517ecf8188ea19cc7d42e5333	maincpu	0	good	no
h2	2048	b9653e78	fd1369c734a0fec8def5b7819b14e4c0d1361896	maincpu	800	good	no
h3	2048	77ce7149	e6a38f9eb676f84ec0e4c28e27d0aa959b97301f	maincpu	1000	good	no
h4	2048	7e77d95d	0e0b7acd622806b4eee3c691f05a04bd2989dbea	maincpu	1800	good	no
h5	2048	e2c6abdb	555f759897904e577a0a38abaaa7636e974192da	maincpu	2000	good	no
h6	2048	8b179039	079bec1ead7e04e29e552e3b48bec740a869751d	maincpu	2800	good	no
h7	2048	db21fc82	38cf58c4d33da3e919d058abb482566c8f70d276	maincpu	3000	good	no

chip

type	tag	name	clock
cpu	maincpu	Intel 8085A	6000000
audio	mono	Speaker
audio	speaker	Filtered DAC

device_ref

tag	name
:maincpu	i8085a
:i8155	i8155
:screen	screen
:palette	palette
:mono	speaker
:speaker	speaker_sound_device

sound

channels
1

input

players	coins	service	tilt
1	1	no	yes

control

type	player	buttons	ways	reverse	minimum	maximum	sensitivity	keydelta	ways2	ways3
joy		1	2	no
gambling		1		no

port, analog

port_tag	analog_masks
:IN.0
:IN.1
:IN.2
:IN.3

dipswitch

Coinage

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Coinage	IN.0	7

location

name	number	inverted
SW	1	no
SW	2	no
SW	3	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
1 Coin/1 Credit	1	no
1 Coin/2 Credits	2	no
1 Coin/3 Credits	3	no
1 Coin/4 Credits	4	no
1 Coin/5 Credits	5	no
1 Coin/6 Credits	6	no
1 Coin/7 Credits	7	yes
1 Coin/10 Credits	0	no

UNK04

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
UNK04	IN.0	8

location

name	number	inverted
SW	4	no

value

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

UNK05

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
UNK05	IN.0	16

location

name	number	inverted
SW	5	no

value

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

Maximum Bet

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Maximum Bet	IN.0	32

location

name	number	inverted
SW	6	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
20	32	yes
50	0	no