Screw Loose (prototype) - 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
screwloo	gottlieb/gottlieb.cpp		no	no	no	yes	Screw Loose (prototype)	1983	Mylstar

display

tag	type	rotate	width	height	refresh	pixclock	htotal	hbend	hbstart	vtotal	vbend	vbstart	flipx
screen	raster	0	256	240	61.419025	5000000	318	0	256	256	0	240	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
rom4	8192	744a2513	d6e8e016d9af984fae9b6667bedeea069637bd3a	maincpu	6000	good	no
rom3	8192	ffde5b5d	50ac0e600935b8b1f8b68c40ad21a179b176e535	maincpu	8000	good	no
rom2	8192	97932b05	6807c6e08edeb93aa7b4969eb78de3cf88a00b72	maincpu	a000	good	no
rom1	8192	571b65ca	75077f4fab296b3802271fa77af588003570cde6	maincpu	c000	good	no
rom0	8192	6447fe54	6391c841cafd35dd315d9fac99ed5d8304018747	maincpu	e000	good	no
drom1	8192	ae965ade	84a690cba8990fe6406b7cfbd6ea643a48446567	r2sound:audiocpu	c000	good	no
yrom1	8192	3719b0b5	4f215ca2f15956374c4cd9484b6798f1c4d60fc7	r2sound:speechcpu	e000	good	no
bg0	4096	1fd5b649	4e2127a4458d54f094934c6f5f154a6db5d0c8b0	bgtiles	0	good	no
bg1	4096	c8ddb8ba	58137a5043157d08af4d628cf5384d7f530393f7	bgtiles	1000	good	no
fg3	8192	97d4e63b	e06ecb73148f16b33132767f8f0dffc37eeba5f1	sprites	0	good	no
fg2	8192	f76e56ca	32252d424f31aa899d6c614f1d1006c2ef49df84	sprites	2000	good	no
fg1	8192	698c395f	46c6700b2943c35c9ac45791652eafbb4a4e059a	sprites	4000	good	no
fg0	8192	f23269fb	9a418a372da18cf33bcfba07202cf2ac7a1dcd1d	sprites	6000	good	no

chip

type	tag	name	clock
cpu	maincpu	Intel 8088	5000000
cpu	r2sound:audiocpu	MOS Technology 6502	1000000
cpu	r2sound:speechcpu	MOS Technology 6502	1000000
audio	speaker	Speaker
audio	r2sound	Gottlieb Sound rev. 2
audio	r2sound:dac	AD7528 DAC
audio	r2sound:dacvol	AD7528 DAC
audio	r2sound:ay1	AY-3-8913 PSG	2000000
audio	r2sound:ay2	AY-3-8913 PSG	2000000
audio	r2sound:spsnd	GI SP0250 LPC	3120000

device_ref

name
i8088
nvram
watchdog
screen
gfxdecode
palette
speaker
gotsndr2
m6502
m6502
ad7528
ad7528
ay8913
ay8913
sp0250

sound

channels
1

input

players	coins	service	tilt
1	2	no	no

control

type	player	buttons	ways	reverse	minimum	maximum	sensitivity	keydelta	ways2	ways3	reqbuttons
doublejoy		2	8	no					8

port, analog

port_tag	analog_masks
:DSW
:IN1
:IN2
:IN3
:IN4
:r2sound:SB2

dipswitch

Demo Sounds

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Demo Sounds	DSW	1

location

name	number	inverted
DSW	1	yes

value

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

Demo mode

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Demo mode	DSW	2

location

name	number	inverted
DSW	2	yes

value

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

1st Bonus Atom at

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
1st Bonus Atom at	DSW	4

location

name	number	inverted
DSW	3	yes

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
5000	0	yes
20000	4	no

Free Play

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Free Play	DSW	8

location

name	number	inverted
DSW	4	yes

value

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

Coinage

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Coinage	DSW	80

location

name	number	inverted
DSW	5	yes
DSW	6	yes

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
2 Coins/1 Credit	0	no
2 Coins/2 Credits	16	no
1 Coin/1 Credit	64	yes
1 Coin/2 Credits	80	no

1st Bonus Hand at

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
1st Bonus Hand at	DSW	32

location

name	number	inverted
DSW	7	yes

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
25000	0	yes
50000	32	no

Hands

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Hands	DSW	128

location

name	number	inverted
DSW	8	yes

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
3	0	yes
5	128	no

Service Mode

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Service Mode	IN1	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	r2sound:SB2	16

location

name	number	inverted
SB2	1	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	r2sound:SB2	32

location

name	number	inverted
SB2	2	no

value

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

Sound Test

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Sound Test	r2sound:SB2	64

location

name	number	inverted
SB2	3	no

value

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