Mahjong If...? (2931) - 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
mjifb3	dynax/royalmah.cpp		no	no	no	yes	Mahjong If...? (2931)	1990	Dynax	mjifb	mjifb

display

tag	type	rotate	width	height	refresh	pixclock	htotal	hbend	hbstart	vtotal	vbend	vbstart	flipx
screen	raster	0	256	240	60.000000								no

driver

status	emulation	savestate	requiresartwork	unofficial	nosoundhardware	incomplete	cocktail
good	good	unsupported	no	no	no	no

rom

name	size	crc	sha1	region	offset	status	optional	merge	bios
2931.bin	65536	2a3133de	9fdc8c145d3da17ec5f86810716f1b1a2abd8023	maincpu	0	good	no
2903.1d	131072	90c44965	6904bfa7475f9de921bc2abcfc337b3daf7e0fad	maincpu	30000	good	no	2903.1d
2906.1g	131072	ad469345	914ea4c77a540467da779ea78c52e66b05c30475	maincpu	50000	good	no	2906.1g
2904.1e	131072	2791abfa	a8fd1a7e1cf4441b447a4605ad2f1c13775f92da	maincpu	70000	good	no	2904.1e
2905.1f	131072	b7a73cf7	d93111e6d5f84e331f8198d8c595e3500abed133	maincpu	90000	good	no	2905.1f
2902.1c	65536	0ce02a98	69f6bca9af8548038401839047a304a4aa97cfe6	maincpu	b0000	good	no	2902.1c
d29-2.4d	512	78252f6a	1869147bc6b7573c2543bdf6b17d6c3c1debdddb	proms	0	good	no	d29-2.4d
d29-1.4c	512	4aaec8cf	fbe1c3729d078a422ffe68dfde495fcb9f329cdd	proms	200	good	no	d29-1.4c

chip

type	tag	name	clock
cpu	maincpu	Toshiba TMP90841	8000000
audio	speaker	Speaker
audio	aysnd	AY-3-8910A PSG	1536000

device_ref

name
tmp90841
nvram
palette
screen
speaker
ay8910

sound

channels
1

input

players	coins	service	tilt
2	2	yes	no

control

type	player	buttons	ways	reverse	minimum	maximum	sensitivity	keydelta	ways2	ways3	reqbuttons
mahjong	1	26		no
gambling	1	2		no
mahjong	2	26		no

port, analog

port_tag	analog_masks
:DSW3
:DSW4
:KEY0
:KEY1
:KEY2
:KEY3
:KEY4
:KEY5
:KEY6
:KEY7
:KEY8
:KEY9
:PORT3_5
:PORT6_7
:SYSTEM

dipswitch

Automatic Rate Change

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Automatic Rate Change	DSW3	1

location

name	number	inverted
DSW3	1	no

value

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

Service Count

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Service Count	DSW3	2

location

name	number	inverted
DSW3	2	no

value

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

Renchan Rate

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Renchan Rate	DSW3	4

location

name	number	inverted
DSW3	3	no

value

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

W-Bet

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
W-Bet	DSW3	8

location

name	number	inverted
DSW3	4	no

value

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

Bye-Bye Bonus

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Bye-Bye Bonus	DSW3	16

location

name	number	inverted
DSW3	5	no

value

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

Last Chance

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Last Chance	DSW3	32

location

name	number	inverted
DSW3	6	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
Free	32	no
Charge	0	yes

Auto Tsumo

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Auto Tsumo	DSW3	64

location

name	number	inverted
DSW3	7	no

value

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

Background Color

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Background Color	DSW3	128

location

name	number	inverted
DSW3	8	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
Black	128	no
Blue	0	yes

Double-tile exchange

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Double-tile exchange	DSW4	1

location

name	number	inverted
DSW4	1	no

value

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

Double hand-tile game

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Double hand-tile game	DSW4	2

location

name	number	inverted
DSW4	2	no

value

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

Blind-tile game

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Blind-tile game	DSW4	4

location

name	number	inverted
DSW4	3	no

value

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

Don Den Button

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Don Den Button	DSW4	8

location

name	number	inverted
DSW4	4	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
F/F Button	8	no
A Button	0	yes

Demo Sounds

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Demo Sounds	DSW4	16

location

name	number	inverted
DSW4	5	no

value

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

Flip Screen

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Flip Screen	DSW4	32

location

name	number	inverted
DSW4	6	no

value

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

Animation

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Animation	DSW4	64

location

name	number	inverted
DSW4	7	no

value

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

Full Tests

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Full Tests	DSW4	128

location

name	number	inverted
DSW4	8	no

value

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

Pay Out Rate

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Pay Out Rate	PORT3_5	15

location

name	number	inverted
DSW1	1	no
DSW1	2	no
DSW1	3	no
DSW1	4	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
96%	15	no
93%	14	no
90%	13	no
87%	12	no
84%	11	no
81%	10	no
78%	9	no
75%	8	no
71%	7	yes
68%	6	no
65%	5	no
62%	4	no
59%	3	no
56%	2	no
53%	1	no
50%	0	no

Maximum Bet

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Maximum Bet	PORT3_5	48

location

name	number	inverted
DSW1	5	no
DSW1	6	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
1	48	no
5	32	no
10	16	yes
20	0	no

Minimum Rate to Play

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Minimum Rate to Play	PORT3_5	192

location

name	number	inverted
DSW1	7	no
DSW1	8	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
1	192	yes
2	128	no
3	64	no
4	0	no

Winnings

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Winnings	PORT6_7	3

location

name	number	inverted
DSW2	1	no
DSW2	2	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
32 24 16 12 8 4 2 1	3	no
50 30 15 8 5 3 2 1	0	yes
100 50 25 10 5 3 2 1	1	no
200 100 50 10 5 3 2 1	2	no

Credits Per Note

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Credits Per Note	PORT6_7	4

location

name	number	inverted
DSW2	3	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
5	4	no
10	0	yes

YAKUMAN Bonus

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
YAKUMAN Bonus	PORT6_7	56

location

name	number	inverted
DSW2	4	no
DSW2	5	no
DSW2	6	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
None	56	no
Once at start	48	no
Every 300 coins	40	no
Every 500 coins	32	yes
Every 700 coins	24	no
Every 1000 coins	16	no

YAKUMAN Bonus Frequency

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
YAKUMAN Bonus Frequency	PORT6_7	64

location

name	number	inverted
DSW2	7	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
Once	0	no
Twice	64	yes

Difficulty

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Difficulty	PORT6_7	128

location

name	number	inverted
DSW2	8	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
Normal	0	yes
Hard	128	no