Stop the Clock (Barcrest) (MPU4) (SC 2.5) - mame (0280) machine

MAME: 0280 - Released: 2025-08-29T22:26:57 - Lists: 731 - Software: 139884 - rom: 235974 - disk: 11384

machine

• XML • JSON • AO

name	sourcefile	sampleof	isbios	isdevice	ismechanical	runnable	description	year	manufacturer	cloneof	romof
m4stopcl	barcrest/mpu4mod2sw.cpp		no	no	yes	yes	Stop the Clock (Barcrest) (MPU4) (SC 2.5)	199?	Barcrest

driver

status	emulation	savestate	requiresartwork	unofficial	nosoundhardware	incomplete	cocktail
preliminary	preliminary	unsupported	yes	no	no	no

rom

name	size	crc	sha1	region	offset	status	optional
sc251.bin	16384	a0205ecb	e3f33c7d692dbe39669eb8121c42e1ca6024e611	maincpu	c000	good	no
sc252.bin	16384	84f4e19c	c077ed83001b9dd29265941d173c939a7f815068	maincpu	8000	good	no
sc253.bin	8192	7e4d0526	c5d4e6e2662157dd111337e619bee215b3514a91	maincpu	6000	good	no

chip

type	tag	name	clock
cpu	maincpu	Motorola MC6809	6880000
audio	mono	Speaker
audio	alarmdac	1-Bit DAC
audio	ay8913	AY-3-8913 PSG	1720000

device_ref

name
mc6809
timer
msc1937
ptm6840
pia6821
pia6821
pia6821
pia6821
pia6821
pia6821
meters
bacta_datalogger
coin_hopper
speaker
dac
nvram
mc68681
duart_channel
duart_channel
ay8913
mpu4chrpal
stepper
stepper
stepper
stepper

sound

channels
1

input

players	coins	service	tilt
1	4	yes	no

control

type	player	buttons	ways	reverse	minimum	maximum	sensitivity	keydelta	ways2	ways3	reqbuttons
only_buttons		7		no

port, analog

port_tag	analog_masks
:AUX1
:AUX2
:BLACK1
:BLACK2
:DIL1
:DIL2
:ORANGE1
:ORANGE2

configuration

Stake Key

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Stake Key	ORANGE1	224

setting

name	value	default
Not fitted / 5p	0	yes
10p	32	no
20p	64	no
25p	96	no
30p	128	no
40p	160	no
50p	192	no
1 GBP	224	no

Jackpot / Prize Key

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Jackpot / Prize Key	ORANGE2	15

setting

name	value	default
Not fitted	0	yes
3 GBP	1	no
4 GBP	2	no
5 GBP	8	no
6 GBP	3	no
6 GBP Token	4	no
8 GBP	5	no
8 GBP Token	6	no
10 GBP	7	no
15 GBP	9	no
25 GBP	10	no
25 GBP (Licensed Betting Office Profile)	11	no
35 GBP	12	no
70 GBP	13	no
Reserved	14	no
Reserved	15	no

Percentage Key

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Percentage Key	ORANGE2	240

setting

name	value	default
Not fitted / 68% (Invalid for UK Games)	0	yes
70	16	no
72	32	no
74	48	no
76	64	no
78	80	no
80	96	no
82	112	no
84	128	no
86	144	no
88	160	no
90	176	no
92	192	no
94	208	no
96	224	no
98	240	no

dipswitch

Unused

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unused	DIL1	1

location

name	number	inverted
DIL1	1	no

value

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

Unused

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unused	DIL1	2

location

name	number	inverted
DIL1	2	no

value

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

Unused

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unused	DIL1	4

location

name	number	inverted
DIL1	3	no

value

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

Unused

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unused	DIL1	8

location

name	number	inverted
DIL1	4	no

value

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

Target Percentage (if key not fitted)

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Target Percentage (if key not fitted)	DIL1	240

location

name	number	inverted
DIL1	5	no
DIL1	6	no
DIL1	7	no
DIL1	8	no

value

name	value	default
Unset (Program Optimum)	0	yes
70	16	no
72	32	no
74	48	no
76	64	no
78	80	no
80	96	no
82	112	no
84	128	no
86	144	no
88	160	no
90	176	no
92	192	no
94	208	no
96	224	no
98	240	no

Token Lockout when full

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Token Lockout when full	DIL2	1

location

name	number	inverted
DIL2	1	no

value

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

Unused

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unused	DIL2	2

location

name	number	inverted
DIL2	2	no

value

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

Scottish Coin Handling

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Scottish Coin Handling	DIL2	4

location

name	number	inverted
DIL2	3	no

value

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

Out of Credit Display Inhibit

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Out of Credit Display Inhibit	DIL2	8

location

name	number	inverted
DIL2	4	no

value

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

OCD Audio Enable

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
OCD Audio Enable	DIL2	16

location

name	number	inverted
DIL2	5	no

value

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

Coin Alarm Inhibit

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Coin Alarm Inhibit	DIL2	32

location

name	number	inverted
DIL2	6	no

value

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

Token Refill Level Inhibit

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Token Refill Level Inhibit	DIL2	64

location

name	number	inverted
DIL2	7	no

value

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

Single Credit Entry

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Single Credit Entry	DIL2	128

location

name	number	inverted
DIL2	8	no

value

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