Mega Bucks (JPM) (IMPACT) (set 5, Whitbread) - 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
j6megbckd	jpm/jpmimpctsw.cpp		no	no	yes	yes	Mega Bucks (JPM) (IMPACT) (set 5, Whitbread)	199?	JPM	j6megbck	j6megbck

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	merge
mebu-4w1.bin	131072	e76573bc	58b65f7423d66d9ba839a450dd40100b4bfc6ffd	maincpu	0	good	no
mebu-4_2.bin	131072	4f34f862	918f056a394c415d45b9a2d4cbe24b7d0ff531f7	maincpu	1	good	no	mebu-4_2.bin
mebu-snd.bin	524288	20bce62c	50c5959eb5a5f8436a08f9a6a096b18cbf49970e	upd	0	good	no	mebu-snd.bin

chip

type	tag	name	clock
cpu	maincpu	Motorola MC68000	8000000
audio	mono	Speaker
audio	upd	NEC uPD7759	640000

device_ref

name
m68000
mc68681
duart_channel
duart_channel
timer
nvram
i8255
timer
timer
timer
timer
timer
timer
speaker
upd7759
meters
bacta_datalogger
s16lf01
stepper
stepper
stepper
stepper
stepper
stepper

sound

channels
1

feature

type	status	overall
sound	unemulated

input

players	coins	service	tilt
1	6	yes	no

control

type	player	buttons	ways	reverse	minimum	maximum	sensitivity	keydelta	ways2	ways3	reqbuttons
only_buttons		12		no

port, analog

port_tag	analog_masks
:COINS
:COIN_SENSE
:DSW
:J10_0
:J10_1
:J10_2
:J9_0
:J9_1
:J9_2
:PAYCOIN_LEVEL
:PERCENT
:PIA_PORTB
:PIA_PORTC
:TEST_DEMO

configuration

Jackpot / Prize Key

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Jackpot / Prize Key	J10_0	15

setting

name	value	default
Not Fitted	15	no
0x0e	14	no
0x0d	13	no
0x0c	12	no
0x0b	11	no
0x0a	10	no
0x09	9	no
0x08	8	no
0x07	7	no
15 GBP	6	yes
0x05	5	no
0x04	4	no
0x03	3	no
0x02	2	no
0x01	1	no
0x00	0	no

Stake Key

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Stake Key	J10_0	112

setting

name	value	default
0x00	0	no
0x10	16	no
0x20	32	no
0x30	48	no
25p	64	yes
0x50	80	no
0x60	96	no
0x70	112	no

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	J10_0	128

setting

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

Percentage Key

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Percentage Key	PERCENT	15

setting

name	value	default
Not fitted / 68% (Invalid for UK Games)	15	no
70	14	no
72	13	no
74	12	no
76	11	no
78	10	no
80	9	no
82	8	no
84	7	no
86	6	no
88	5	no
90	4	no
92	3	no
94	2	no
96	1	no
98	0	yes

dipswitch

DSW 0x01

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
DSW 0x01	DSW	1

value

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

DSW 0x02

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
DSW 0x02	DSW	2

value

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

DSW 0x04

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
DSW 0x04	DSW	4

value

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

DSW 0x08

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
DSW 0x08	DSW	8

value

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

DSW 0x10

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
DSW 0x10	DSW	16

value

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

DSW 0x20

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
DSW 0x20	DSW	32

value

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

DSW 0x40

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
DSW 0x40	DSW	64

value

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

DSW 0x80

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
DSW 0x80	DSW	128

value

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

J10_1: 0x01

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
J10_1: 0x01	J10_1	1

value

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

J10_1: 0x02

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
J10_1: 0x02	J10_1	2

value

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

J10_1: 0x04

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
J10_1: 0x04	J10_1	4

value

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

J10_1: 0x08

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
J10_1: 0x08	J10_1	8

value

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

J10_1: 0x10

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
J10_1: 0x10	J10_1	16

value

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

J10_1: 0x20

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
J10_1: 0x20	J10_1	32

value

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

J10_1: 0x40

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
J10_1: 0x40	J10_1	64

value

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

J10_1: 0x80

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
J10_1: 0x80	J10_1	128

value

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

J10_2: 0x02

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
J10_2: 0x02	J10_2	2

value

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

J10_2: 0x80

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
J10_2: 0x80	J10_2	128

value

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

J9_0: 0x80

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
J9_0: 0x80	J9_0	128

value

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

J9_1: 0x01

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
J9_1: 0x01	J9_1	1

value

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

J9_1: 0x02

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
J9_1: 0x02	J9_1	2

value

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

J9_1: 0x04

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
J9_1: 0x04	J9_1	4

value

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

J9_1: 0x08

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
J9_1: 0x08	J9_1	8

value

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

J9_1: 0x10

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
J9_1: 0x10	J9_1	16

value

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

J9_1: 0x20

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
J9_1: 0x20	J9_1	32

value

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

J9_1: 0x40

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
J9_1: 0x40	J9_1	64

value

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

J9_1: 0x80

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
J9_1: 0x80	J9_1	128

value

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

J9_2: 0x01

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
J9_2: 0x01	J9_2	1

value

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

J9_2: 0x02

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
J9_2: 0x02	J9_2	2

value

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

J9_2: 0x10

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
J9_2: 0x10	J9_2	16

value

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

J9_2: 0x40

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
J9_2: 0x40	J9_2	64

value

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

J9_2: 0x80

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
J9_2: 0x80	J9_2	128

value

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

PAYCOIN_LEVEL: 0x01 (20p cash low)

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
PAYCOIN_LEVEL: 0x01 (20p cash low)	PAYCOIN_LEVEL	1

value

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

PAYCOIN_LEVEL: 0x02 (token f low)

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
PAYCOIN_LEVEL: 0x02 (token f low)	PAYCOIN_LEVEL	2

value

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

PAYCOIN_LEVEL: 0x04 (token b low)

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
PAYCOIN_LEVEL: 0x04 (token b low)	PAYCOIN_LEVEL	4

value

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

PAYCOIN_LEVEL: 0x08 (100p cash low)

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
PAYCOIN_LEVEL: 0x08 (100p cash low)	PAYCOIN_LEVEL	8

value

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

PAYCOIN_LEVEL: 0x10 (token b full)

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
PAYCOIN_LEVEL: 0x10 (token b full)	PAYCOIN_LEVEL	16

value

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

PAYCOIN_LEVEL: 0x20

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
PAYCOIN_LEVEL: 0x20	PAYCOIN_LEVEL	32

value

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

PAYCOIN_LEVEL: 0x40 (20p cash full)

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
PAYCOIN_LEVEL: 0x40 (20p cash full)	PAYCOIN_LEVEL	64

value

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

PAYCOIN_LEVEL: 0x80 (100p cash full)

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
PAYCOIN_LEVEL: 0x80 (100p cash full)	PAYCOIN_LEVEL	128

value

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

PIA_PORTB: 0x02

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
PIA_PORTB: 0x02	PIA_PORTB	2

value

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

PIA_PORTB: 0x04

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
PIA_PORTB: 0x04	PIA_PORTB	4

value

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

PIA_PORTB: 0x10

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
PIA_PORTB: 0x10	PIA_PORTB	16

value

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

PIA_PORTB: 0x20

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
PIA_PORTB: 0x20	PIA_PORTB	32

value

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

PIA_PORTB: 0x40

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
PIA_PORTB: 0x40	PIA_PORTB	64

value

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

PIA_PORTB: 0x80

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
PIA_PORTB: 0x80	PIA_PORTB	128

value

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

PIA_PORTC: 0x01

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
PIA_PORTC: 0x01	PIA_PORTC	1

value

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

PIA_PORTC: 0x02

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
PIA_PORTC: 0x02	PIA_PORTC	2

value

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

PIA_PORTC: 0x04

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
PIA_PORTC: 0x04	PIA_PORTC	4

value

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

PIA_PORTC: 0x08

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
PIA_PORTC: 0x08	PIA_PORTC	8

value

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

Top Up Switch 0x20

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Top Up Switch 0x20	PIA_PORTC	32

value

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