Mahjong Electron Base (parts 2 & 4, Japan)

machine

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name	sourcefile	sampleof	isbios	isdevice	ismechanical	runnable	description	year	manufacturer	cloneof	romof
mjelctrn	dynax/dynax.cpp		no	no	no	yes	Mahjong Electron Base (parts 2 & 4, Japan)	1993	Dynax

snap

Key	Length	LastWriteTime	Width	Height	HorizontalResolution	VerticalResolution	PaletteLength	PixelFormat	PropertyItems	PixelSHA1
mjelctrn	12556	29/12/2025 11:31:35	320	240	96	96	0	Format24bppRgb	305:MAMEUI 0.277.0 (2025-04-30)	8211dda150d72d116f607fef19ed254d014a171c

display

tag	type	rotate	width	height	refresh	pixclock	htotal	hbend	hbstart	vtotal	vbend	vbstart	flipx
screen	raster	180	508	240	60.000000								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
u27b-020	262144	7773d382	1d2ae799677e99c7cba09b0a2c49bb9310232e80	maincpu	0	good	no
eb-01.rom	1048576	e5c41448	b8322e32b0cb3d771316c9c4f7be91de6e422a24	blitter	0	good	no
eb-02.rom	524288	e1f1b431	04a612aff4c30cb8ea741f228bfa7e4289acfee8	blitter	100000	good	no
mj-1c020	262144	f8e8d91b	409e276157b328e7bbba5dda6a4c7adc020d519a	blitter	200000	good	no

chip

type	tag	name	clock
cpu	maincpu	Toshiba TMPZ84C015	5500000
audio	mono	Speaker
audio	aysnd	AY-3-8912A PSG	1375000
audio	ym2413	YM2413 OPLL	3579545
audio	msm	OKI MSM5205 ADPCM	384000

device_ref

tag	name
:maincpu	tmpz84c015
:maincpu:tmpz84c015_sio	z80sio
:maincpu:tmpz84c015_sio:cha	z80sio_channel
:maincpu:tmpz84c015_sio:chb	z80sio_channel
:maincpu:tmpz84c015_ctc	z80ctc
:maincpu:tmpz84c015_ctc:ch0	z80ctc_channel
:maincpu:tmpz84c015_ctc:ch1	z80ctc_channel
:maincpu:tmpz84c015_ctc:ch2	z80ctc_channel
:maincpu:tmpz84c015_ctc:ch3	z80ctc_channel
:maincpu:tmpz84c015_pio	z80pio
:bankdev	address_map_bank
:nvram	nvram
:mainlatch	ls259
:outlatch	ls259
:screen	screen
:blitter	tc17g032ap
:palette	palette
:mono	speaker
:aysnd	ay8912
:ym2413	ym2413
:msm	msm5205
:hopper	coin_hopper

sound

channels
1

input

players	coins	service	tilt
2	1	yes	no

control

type	player	buttons	reverse
mahjong	1	26	no
gambling	1	2	no
mahjong	2	26	no

port, analog

port_tag	analog_masks
:COINS
:DSW0
:DSW1
:DSW2
:DSW3
:FAKE
:KEY0
:KEY1
:KEY2
:KEY3
:KEY4
:KEY5
:KEY6
:KEY7
:KEY8
:KEY9
:SW1
:hopper:TEST

dipswitch

Odds Rate

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Odds Rate	DSW0	3

location

name	number	inverted
SW3	1	no
SW3	2	no

value

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

Coinage

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Coinage	DSW0	12

location

name	number	inverted
SW3	3	no
SW3	4	no

value

name	value	default
1 Coin/1 Credit	12	yes
1 Coin/2 Credits	8	no
1 Coin/5 Credits	4	no
1 Coin/10 Credits	0	no

Minimum Bet

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Minimum Bet	DSW0	48

location

name	number	inverted
SW3	5	no
SW3	6	no

value

name	value	default
1	48	yes
2	32	no
3	16	no
5	0	no

Payout Mode

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Payout Mode	DSW0	64

location

name	number	inverted
SW3	7	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
Key-out	64	yes
Hopper	0	no

Win A Prize?

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Win A Prize?	DSW0	128

location

name	number	inverted
SW3	8	no

value

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

Payout Rate

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Payout Rate	DSW1	15

location

name	number	inverted
SW4	1	no
SW4	2	no
SW4	3	no
SW4	4	no

value

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

Maximum Bet

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Maximum Bet	DSW1	48

location

name	number	inverted
SW4	5	no
SW4	6	no

value

name	value	default
1	48	no
5	32	no
10	16	yes
20	0	no

Credits Per Note

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Credits Per Note	DSW1	64

location

name	number	inverted
SW4	7	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
5	64	no	DSW0	12	eq	12
10	64	no	DSW0	12	eq	8
25	64	no	DSW0	12	eq	4
50	64	no	DSW0	12	eq	0
10	0	yes	DSW0	12	eq	12
20	0	yes	DSW0	12	eq	8
50	0	yes	DSW0	12	eq	4
100	0	yes	DSW0	12	eq	0

Flip Screen

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Flip Screen	DSW1	128

location

name	number	inverted
SW4	8	no

value

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

Yakuman Bonus Cycle

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Yakuman Bonus Cycle	DSW2	7

location

name	number	inverted
SW2	1	no
SW2	2	no
SW2	3	no

value

name	value	default
None	7	no
First time only	6	no
Every 300 coins	5	no
Every 500 coins	4	yes
Every 700 coins	3	no
Every 1000 coins	2	no

Yakuman Bonuses Per Cycle

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Yakuman Bonuses Per Cycle	DSW2	8

location

name	number	inverted
SW2	4	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
1	8	yes
2	0	no

Win Rate?

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Win Rate?	DSW2	16

location

name	number	inverted
SW2	5	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
High	16	yes
Low	0	no

Draw Automatically (Part 4)

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Draw Automatically (Part 4)	DSW2	32

location

name	number	inverted
SW2	6	no

value

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

Don Den Button

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Don Den Button	DSW2	64

location

name	number	inverted
SW2	7	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
A	64	no
Flip Flop	0	yes

Game Type

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Game Type	DSW2	128

location

name	number	inverted
SW2	8	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
Part 2	128	no
Part 4 (Choukyuu)	0	yes

Last Chance

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Last Chance	DSW3	1

location

name	number	inverted
SW5	1	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
Free	1	yes
Paid	0	no

Pay Rate?

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Pay Rate?	DSW3	2

location

name	number	inverted
SW5	2	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
High	2	yes
Low	0	no

Auto Reach

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Auto Reach	DSW3	4

location

name	number	inverted
SW5	3	no

value

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

Double Bet

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Double Bet	DSW3	8

location

name	number	inverted
SW5	4	no

value

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

Demo Sounds

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Demo Sounds	DSW3	16

location

name	number	inverted
SW5	5	no

value

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

In-Game Music

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
In-Game Music	DSW3	32

location

name	number	inverted
SW5	6	no

value

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

Gal Select

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Gal Select	DSW3	64

location

name	number	inverted
SW5	7	no

value

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

Girls

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Girls	DSW3	128

location

name	number	inverted
SW5	8	no

value

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

Allow Bets

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Allow Bets	FAKE	255

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
Off	0	no
On	255	yes

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	SW1	1

location

name	number	inverted
SW1	1	no

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	SW1	2

location

name	number	inverted
SW1	2	no

value

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

clones

name	description
mjembase	Mahjong Electromagnetic Base (Japan)
mjelct3bl	Mahjong Electron Base (parts 2 & 3, Japan bootleg set 1)
mjelct3bla	Mahjong Electron Base (parts 2 & 3, Japan bootleg set 2)
mjelct3blb	Mahjong Electron Base (parts 2 & 3, Japan bootleg set 3)
mjelct3	Mahjong Electron Base (parts 2 & 3, Japan set 1)
mjelct3a	Mahjong Electron Base (parts 2 & 3, Japan set 2)
mjelct3b	Mahjong Electron Base (parts 2 & 3, Japan set 3)
mjelctrb	Mahjong Electron Base (parts 2 & 4, Japan bootleg)
qyjdzjp	Que You Ji - Dian Zi Ji Pan Jiaqiang Ban (v201)

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

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

Mahjong Electron Base (parts 2 & 4, Japan) - mame (0287) machine

machine

snap

display

driver

rom

chip

device_ref

sound

input

control

port, analog

dipswitch

Odds Rate

location

value

Coinage

location

value

Minimum Bet

location

value

Payout Mode

location

value

Win A Prize?

location

value

Payout Rate

location

value

Maximum Bet

location

value

Credits Per Note

location

value

Flip Screen

location

value

Yakuman Bonus Cycle

location

value

Yakuman Bonuses Per Cycle

location

value

Win Rate?

location

value

Draw Automatically (Part 4)

location

value

Don Den Button

location

value

Game Type

location

value

Last Chance

location

value

Pay Rate?

location

value

Auto Reach

location

value

Double Bet

location

value

Demo Sounds

location

value

In-Game Music

location

value

Gal Select

location

value

Girls

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