Snake Pit - mame (0287) machine

machine

• XML • JSON • RUN

name	sourcefile	sampleof	isbios	isdevice	ismechanical	runnable	description	year	manufacturer	cloneof	romof
snakepit	midway/balsente.cpp		no	no	no	yes	Snake Pit	1984	Bally/Sente

snap

Key	Length	LastWriteTime	Width	Height	HorizontalResolution	VerticalResolution	PaletteLength	PixelFormat	PropertyItems	PixelSHA1
snakepit	10893	29/12/2025 11:31:44	256	240	96	96	0	Format24bppRgb	305:MAME 0.154 (Jul 24 2014)	2fab491f6e606196aaf95a0161d83d9f1c7586e2

display

tag	type	rotate	width	height	refresh	pixclock	htotal	hbend	hbstart	vtotal	vbend	vbstart	flipx
screen	raster	0	256	240	59.185606	5000000	320	0	256	264	16	256	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
spit-ab0.u9a	8192	5aa86081	e65e256661b13a0631398e115dd02fce281bafa4	maincpu	0	good	no
spit-ab1.u8a	8192	588228b8	b64032a4fd1f52179d38e2073380bba6ec321302	maincpu	2000	good	no
spit-ab2.u7a	8192	60173ab6	45b27492023771a53ea5857592a2a113746a72b6	maincpu	4000	good	no
spit-ab3.u6a	8192	56cb51a8	fceb2fbae91bbab0b25410072805449ef531f360	maincpu	6000	good	no
spit-ab4.u5a	8192	40ba61e0	91b06d116633c5261f3aa97d4e65bd61bae3c0eb	maincpu	8000	good	no
spit-ab5.u4a	8192	2a1d9d8f	3364f4bc507576323560bf14fc99036c47d0297c	maincpu	a000	good	no
spit-cd.u3a	8192	54095cbb	a43b78b2876359a29ecb2f169c876a0026375ea2	maincpu	1c000	good	no
spit-ef.u2a	8192	5f836a66	cc3c11003f9e49cac10c0296ab6d156e5677d0f8	maincpu	1e000	good	no
spit-gr0.u9b	8192	f77fd85d	f8e69d1d0030412d6129a8ebfee40b3f1f189d8d	gfx1	0	good	no
spit-gr1.u8b	8192	3ad10334	1d82a7948fbee627c80a9e03ade90e57972a6a31	gfx1	2000	good	no
spit-gr2.u7b	8192	24887703	089f077400c9a3e3f5b43e8aa60b41160e296d52	gfx1	4000	good	no
spit-gr3.u6b	8192	c6703ec2	0f5d7c17ee508f8fea316b7f92cdd7cc174b155f	gfx1	6000	good	no
spit-gr4.u5b	8192	b4293435	5e2b96c19c4f5c63a5afa2de504d29fe64a4c908	gfx1	8000	good	no
spit-gr5.u4b	8192	dc27c970	291ef10a8c330ef8e47622246b6301d2e5171df7	gfx1	a000	good	no
u01508001100b.u20f	260	2d2e2102	de094f9955d6085f1714f1aa7c71e1f047e96c5f	motherbrd_pals	0	good	no

chip

type	tag	name	clock
cpu	maincpu	Motorola MC6809E	1250000
cpu	audio6vb:audiocpu	Zilog Z80	4000000
audio	audio6vb:mono	Speaker
audio	audio6vb:noise	MM5837 Digital Noise Stream
audio	audio6vb:ac_noise	RC Filter
audio	audio6vb:cem1	CEM3394 Synthesizer Voice
audio	audio6vb:cem1:vcf	4th order LPF
audio	audio6vb:cem2	CEM3394 Synthesizer Voice
audio	audio6vb:cem2:vcf	4th order LPF
audio	audio6vb:cem3	CEM3394 Synthesizer Voice
audio	audio6vb:cem3:vcf	4th order LPF
audio	audio6vb:cem4	CEM3394 Synthesizer Voice
audio	audio6vb:cem4:vcf	4th order LPF
audio	audio6vb:cem5	CEM3394 Synthesizer Voice
audio	audio6vb:cem5:vcf	4th order LPF
audio	audio6vb:cem6	CEM3394 Synthesizer Voice
audio	audio6vb:cem6:vcf	4th order LPF

device_ref

tag	name
:maincpu	mc6809e
:acia	acia6850
:nov0	x2212
:nov1	x2212
:watchdog	watchdog
:scan_timer	timer
:outlatch	ls259
:screen	screen
:palette	palette
:audio6vb	sente6vb
:audio6vb:audiocpu	z80
:audio6vb:uart	acia6850
:audio6vb:uartclock	clock
:audio6vb:8253_0_timer	timer
:audio6vb:pit	pit8253
:audio6vb:pit:counter0	pit_counter
:audio6vb:pit:counter1	pit_counter
:audio6vb:pit:counter2	pit_counter
:audio6vb:mono	speaker
:audio6vb:noise	mm5837_stream
:audio6vb:ac_noise	filter_rc
:audio6vb:cem1	cem3394
:audio6vb:cem1:vcf	va_lpf4
:audio6vb:cem2	cem3394
:audio6vb:cem2:vcf	va_lpf4
:audio6vb:cem3	cem3394
:audio6vb:cem3:vcf	va_lpf4
:audio6vb:cem4	cem3394
:audio6vb:cem4:vcf	va_lpf4
:audio6vb:cem5	cem3394
:audio6vb:cem5:vcf	va_lpf4
:audio6vb:cem6	cem3394
:audio6vb:cem6:vcf	va_lpf4

sound

channels
1

input

players	coins	service	tilt
1	2	no	no

control

type	player	buttons	ways	reverse	minimum	maximum	sensitivity	keydelta	ways2	ways3
joy		1	8	no
trackball				yes	0	255	100	20

port, analog

port_tag	analog_masks
:AN0
:AN1
:AN2	255
:AN3	255
:IN0
:IN1
:SWG
:SWH

dipswitch

Service Mode

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Service Mode	IN0	128

value

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

Bonus Life

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Bonus Life	SWG	3

location

name	number	inverted
G1	1	no
G1	2	no

value

name	value	default
Every 10,000	0	yes
Every 15,000	1	no
Every 20,000	2	no
Every 25,000	3	no

Lives

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Lives	SWG	12

location

name	number	inverted
G1	3	no
G1	4	no

value

name	value	default
2	0	no
3	4	yes
4	8	no
5	12	no

Unused

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unused	SWG	16

location

name	number	inverted
G1	5	no

value

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

Unused

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unused	SWG	32

location

name	number	inverted
G1	6	no

value

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

Difficulty

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Difficulty	SWG	64

location

name	number	inverted
G1	7	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
Easy	64	yes
Hard	0	no

Demo Sounds

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Demo Sounds	SWG	128

location

name	number	inverted
G1	8	no

value

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

Coinage

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Coinage	SWH	3

location

name	number	inverted
H1	1	no
H1	2	no

value

name	value	default
2 Coins/1 Credit	2	no
1 Coin/1 Credit	3	yes
1 Coin/2 Credits	1	no
Free Play	0	no

Unused

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unused	SWH	4

location

name	number	inverted
H1	3	no

value

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

Unused

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unused	SWH	8

location

name	number	inverted
H1	4	no

value

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

Unused

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unused	SWH	16

location

name	number	inverted
H1	5	no

value

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

Unused

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unused	SWH	32

location

name	number	inverted
H1	6	no

value

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

Unused

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unused	SWH	64

location

name	number	inverted
H1	7	no

value

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

High Scores

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
High Scores	SWH	128

location

name	number	inverted
H1	8	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
Keep Top 5	128	yes
Keep All	0	no

clones

name	description
snakepita	Snake Pit (9/14/84)