Riviera Hi-Score (2131-08, U5-2D) - mame (0280) machine

MAME: 0280 - Released: 2025-08-29T22:26:57 - Machines: 48893 - rom: 364836 - disk: 1378

machine

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name	sourcefile	sampleof	isbios	isdevice	ismechanical	runnable	description	year	manufacturer	cloneof	romof
rivierac	merit/merit.cpp		no	no	no	yes	Riviera Hi-Score (2131-08, U5-2D)	1986	Merit	riviera	riviera

display

tag	type	rotate	width	height	refresh	pixclock	htotal	hbend	hbstart	vtotal	vbend	vbstart	flipx
screen	raster	0	512	256	76.293945	10000000	512	0	512	256	0	256	no

driver

status	emulation	savestate	requiresartwork	unofficial	nosoundhardware	incomplete	cocktail
imperfect	good	supported	no	no	no	no

rom

name	size	crc	sha1	region	offset	status	optional	merge	bios
2131-08_u5-2d.u5	32768	64c6892b	d245d4a9933e3b21279542da0cb6ee641569ef6c	maincpu	0	good	no
hisc_u39_c1987_mii.u39	8192	1814c2ea	fecc5dc1c0a56cbc7b68ee6a52222de348d6cc79	gfx1	0	good	no	hisc_u39_c1987_mii.u39
hisc_u38_c1987_mii.u38	8192	ef1d7a80	539662bee187a300a6f1bcded954758c87171219	gfx1	2000	good	no	hisc_u38_c1987_mii.u38
hisc_u37_c1987_mii.u37	8192	f6e709f8	02905be912d0aa794f82926462f854e8e67dc407	gfx1	4000	good	no	hisc_u37_c1987_mii.u37
hisc_u40_c1987_mii.u40	8192	6d2a1ca8	96ef3e0914c2b213ed9c9082fa3e27d75d52a8ec	gfx2	0	good	no	hisc_u40_c1987_mii.u40
dec003.u13	279	5b9a2fec	c56c7bbe13028903cfc82440ee8b24df855134c2	plds	0	good	no	dec003.u13

chip

type	tag	name	clock
cpu	maincpu	Zilog Z80	2500000
audio	mono	Speaker
audio	aysnd	AY-3-8912A PSG	1250000

device_ref

name
z80
i8255
i8255
screen
mc6845
speaker
ay8912
nvram

sound

channels
1

feature

type	status	overall
graphics	imperfect

input

players	coins	service	tilt
1	2	yes	no

control

type	player	buttons	ways	reverse	minimum	maximum	sensitivity	keydelta	ways2	ways3	reqbuttons
gambling		10		no

port, analog

port_tag	analog_masks
:DSW
:IN0
:IN1
:IN2

dipswitch

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	DSW	1

location

name	number	inverted
SW1	1	no

value

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

Bonus Jackpot

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Bonus Jackpot	DSW	2

location

name	number	inverted
SW1	2	no

value

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

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	DSW	4

location

name	number	inverted
SW1	3	no

value

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

Raise Option

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Raise Option	DSW	8

location

name	number	inverted
SW1	4	no

value

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

Points Per Coin

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Points Per Coin	DSW	16

location

name	number	inverted
SW1	5	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
5	0	yes
1	16	no

Double Up

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Double Up	DSW	32

location

name	number	inverted
SW1	6	no

value

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

Maximum Bet

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Maximum Bet	DSW	192

location

name	number	inverted
SW1	7	no
SW1	8	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
10	64	no
20	192	no
50	128	no
50	0	yes	DSW	8	eq	0
99	0	yes	DSW	8	eq	8