AV2Mahjong No.1 Bay Bridge no Seijo (Japan) - mame (0277) machine

machine

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name	sourcefile	sampleof	isbios	isdevice	ismechanical	runnable	description	year	manufacturer	romof	cloneof
av2mj1bb	nichibutsu/nbmj8991.cpp		no	no	no	yes	AV2Mahjong No.1 Bay Bridge no Seijo (Japan)	1991	Miki Syouji / AV Japan

display

tag	type	rotate	width	height	refresh	pixclock	htotal	hbend	hbstart	vtotal	vbend	vbstart	flipx
screen	raster	0	640	240	60.000000								no

driver

status	emulation	savestate	requiresartwork	unofficial	nosoundhardware	incomplete	cocktail
preliminary	preliminary	supported	no	no	no	no

rom

name	size	crc	sha1	region	offset	status	optional	merge	bios
1.bin	65536	df0f03fb	e6c2d6905b507611782bbd29f4d5fcd378a0a993	maincpu	0	good	no
3.bin	65536	0cdc9489	dfcee760679a893fed98bdb7642889d7491f00a7	audiocpu	0	good	no
2.bin	65536	6283a444	fb6bc100be2af9fca2e47607700aa33dba9b2d5e	audiocpu	10000	good	no
4.bin	131072	18fe29c3	4da8bac188330d142aa55948dc236896a58d480c	gfx1	0	good	no
5.bin	131072	0eff4bbf	c1bfbab792ac4b8e26944d759f40059077326a57	gfx1	20000	good	no
6.bin	131072	ac351796	23aaf79034227febe13defe86a3d5051733cfd3e	gfx1	40000	good	no
mj-1802.9a	524288	e6213f10	377399e9cd20fc2055b680eb28d024824161b2ff	gfx1	180000	good	no

disk

name	merge	sha1	region	index	writable	status	optional
av2mj1bb			vhs	0	no	nodump	no

chip

type	tag	name	clock
cpu	maincpu	Zilog Z80	3000000
cpu	audiocpu	Zilog Z80	4000000
audio	speaker	Speaker
audio	fmsnd	YM3812 OPL2	4000000
audio	dac1	8-Bit R-2R DAC
audio	dac2	8-Bit R-2R DAC

device_ref

name
z80
nb1413m3
z80
screen
palette
speaker
generic_latch_8
ym3812
dac_8bit_r2r
dac_8bit_r2r

sound

channels
1

input

players	coins	service	tilt
2	2	no	no

control

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

port, analog

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

dipswitch

Difficulty

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Difficulty	DSWA	7

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
1 (Easy)	7	yes
2	6	no
3	5	no
4	4	no
5	3	no
6	2	no
7	1	no
8 (Hard)	0	no

Coinage

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Coinage	DSWA	8

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
1 Coin/1 Credit	8	yes
1 Coin/2 Credits	0	no

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	DSWA	16

value

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

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	DSWA	32

value

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

Video Playback Time

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Video Playback Time	DSWA	192

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
Type-A	192	yes
Type-B	128	no
Type-C	64	no
Type-D	0	no

Attract mode

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Attract mode	DSWB	3

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
No attract mode	3	yes
Once per 10min.	2	no
Once per 5min.	1	no
Normal	0	no

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	DSWB	4

value

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

Graphic ROM Test

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Graphic ROM Test	DSWB	8

value

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

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	DSWB	16

value

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

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	DSWB	32

value

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

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	DSWB	64

value

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

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	DSWB	128

value

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

Service Mode

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Service Mode	SYSTEM	16

value

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