mame (0289) • machine janputer • New Double Bet Mahjong (bootleg of Royal Mahjong, set 1)

machine

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name	sourcefile	sampleof	isbios	isdevice	ismechanical	runnable	description	year	manufacturer	cloneof	romof
janputer	dynax/royalmah.cpp		no	no	no	yes	New Double Bet Mahjong (bootleg of Royal Mahjong, set 1)	1981	bootleg (Paradise Denshi Ltd. / Mes)

snap

New Double Bet Mahjong (bootleg of Royal Mahjong, set 1) png snap

New Double Bet Mahjong (bootleg of Royal Mahjong, set 1) jpg snap thumbnail

Key	Length	LastWriteTime	Width	Height	HorizontalResolution	VerticalResolution	PaletteLength	PixelFormat	PropertyItems	PixelSHA1
janputer	2708	29/12/2025 11:31:25	256	240	96	96	0	Format24bppRgb	305:MAME 0.132u1 (Jun 18 2009)	e74ebabc44a769dbe484dead773f737a3c4e962c

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
1.bin	8192	f36f4222	ce18c273a59f86cb17ea6ba8a3daefc3d750df1e	maincpu	0	good	no
2.bin	8192	7d57cb48	38b97c5d02e3ab6187e5e0f86c06b8a3747b51a8	maincpu	2000	good	no
3.bin	8192	fb481d9a	122e2b0d11fe1fe8cf219da9c8f96fe5a1016bb6	maincpu	4000	good	no
7.bin	4096	bb00fb9e	4d2965a0339328d1700b39c166a5a92a96b05e67	maincpu	6000	good	no
82s123.prm	32	d3007282	e4d863ab193e49208ed0f59dcddb1da0492314f6	proms	0	baddump	no

chip

type	tag	name	clock
cpu	maincpu	Zilog Z80	3072000
audio	speaker	Speaker
audio	aysnd	AY-3-8910A PSG	1536000

device_ref

tag	name
:maincpu	z80
:nvram	nvram
:palette	palette
:screen	screen
:speaker	speaker
:aysnd	ay8910

sound

channels
1

input

players	coins	service	tilt
2	3	yes	no

control

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

port, analog

port_tag	analog_masks
:DSW1
:KEY0
:KEY1
:KEY2
:KEY3
:KEY4
:KEY5
:KEY6
:KEY7
:KEY8
:KEY9
:SYSTEM

dipswitch

Pay Out Rate

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Pay Out Rate	DSW1	15

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
96%	15	yes
93%	14	no
90%	13	no
87%	12	no
84%	11	no
81%	10	no
78%	9	no
75%	8	no
71%	7	no
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	DSW1	48

value

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

Unused

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unused	DSW1	64

value

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

Unused

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unused	DSW1	128

value

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

clones

name	description
janputera	New Double Bet Mahjong (bootleg of Royal Mahjong, set 2)