Riot City (Japan) - 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
riotcity	sega/segas16b.cpp		no	no	no	yes	Riot City (Japan)	1991	Sega / Westone

display

tag	type	rotate	width	height	refresh	pixclock	htotal	hbend	hbstart	vtotal	vbend	vbstart	flipx
screen	raster	0	320	224	60.054389	6293700	400	0	320	262	0	224	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
epr-14612.a7	131072	a1b331ec	49136ffed35ecc9e5e9a6ea7acbe534e6ccc9dd8	maincpu	0	baddump	no
epr-14610.a5	131072	cd4f2c50	c7a7e95901c664a72195c202b50a159db8d5981d	maincpu	1	baddump	no
epr-14613.a8	131072	0659df4c	a24005ce354113732306c318de373c818400a9c8	maincpu	40000	baddump	no
epr-14611.a6	131072	d9e6f80b	5ac56b3685bb121a4f07be3d81209807436e76ec	maincpu	40001	baddump	no
epr-14616.a14	131072	46d30368	a791ef0e881345b6be0b28f32af17127edb5b590	gfx1	0	good	no
epr-14625.b14	131072	abfb80fe	5f0d61d55f27e8f776b573e3193164c4d70ec12b	gfx1	20000	good	no
epr-14617.a15	131072	884e40f9	f7eeae57544e7d95139588137605986732937d38	gfx1	40000	good	no
epr-14626.b15	131072	4ef55846	2f23474e7d1d8880dc251ada55c5fca2fc19256a	gfx1	60000	good	no
epr-14618.a16	131072	00eb260e	f293180fb9a053c98022ef086bf4002563752f61	gfx1	80000	good	no
epr-14627.b16	131072	961e5f82	dc88b511dff6cdebf96fe8bf388bf76098296b0f	gfx1	a0000	good	no
epr-14619.b1	262144	6f2b5ef7	a0186fcc5b12c31b65b84355f88bcb10b1434135	sprites	1	good	no
epr-14622.b5	262144	7ca7e40d	57d26cc1b530cb867b2a4779bb5108ac457b2154	sprites	0	good	no
epr-14620.b2	262144	66183333	44bb9d57cd0308c0d7b6a10ba9bd95763ceea775	sprites	40001	good	no
epr-14623.b6	262144	98630049	216ae0b4a59f306b51bd50dfcbf831c3186a4d2a	sprites	40000	good	no
epr-14621.b3	262144	c0f2820e	ae433f6c5065ed495f5f57f50d6abe5ff98b041e	sprites	80001	good	no
epr-14624.b7	262144	d1a68448	7591f0476e899a11042d9b7e93f99b64de48b0ef	sprites	80000	good	no
epr-14614.a10	65536	c65cc69a	28a75dd2085b8e1447fe4e6af210a54a6666fcb1	soundcpu	0	good	no
epr-14615.a11	131072	46653db1	7a43d8742ee451d93bb5f1b0f4f261b274c3f0ef	soundcpu	10000	good	no
315-5298.b9	235	39b47212	432b47aee5ecbf08a8a6dc2f8379c816feb86328	plds	0	good	no

chip

type	tag	name	clock
cpu	maincpu	Motorola MC68000	10000000
cpu	soundcpu	Zilog Z80	5000000
audio	mono	Speaker
audio	ym2151	YM2151 OPM	4000000
audio	upd	NEC uPD7759	640000
audio	netlist	Netlist Sound Device

device_ref

name
m68000
z80
nvram
sega_315_5195
gfxdecode
palette
screen
sega_sys16b_sprite
segaic16_video
speaker
ym2151
upd7759
netlist_sound
nl_stream_in
nl_stream_in
nl_stream_in
nl_stream_out

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
joy	1	3	8	no
joy	2	3	8	no

port, analog

port_tag	analog_masks
:DSW1
:DSW2
:P1
:P2
:SERVICE
:UNUSED

dipswitch

Coin A

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Coin A	DSW1	15

location

name	number	inverted
SW1	1	no
SW1	2	no
SW1	3	no
SW1	4	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
4 Coins/1 Credit	7	no
3 Coins/1 Credit	8	no
2 Coins/1 Credit	9	no
2 Coins/1 Credit, 5/3, 6/4	5	no
2 Coins/1 Credit, 4/3	4	no
1 Coin/1 Credit	15	yes
1 Coin/1 Credit, 5/6	3	no
1 Coin/1 Credit, 4/5	2	no
1 Coin/1 Credit, 2/3	1	no
2 Coins/3 Credits	6	no
1 Coin/2 Credits	14	no
1 Coin/3 Credits	13	no
1 Coin/4 Credits	12	no
1 Coin/5 Credits	11	no
1 Coin/6 Credits	10	no
Free Play (if Coin B too) or 1/1	0	no

Coin B

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Coin B	DSW1	240

location

name	number	inverted
SW1	5	no
SW1	6	no
SW1	7	no
SW1	8	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
4 Coins/1 Credit	112	no
3 Coins/1 Credit	128	no
2 Coins/1 Credit	144	no
2 Coins/1 Credit, 5/3, 6/4	80	no
2 Coins/1 Credit, 4/3	64	no
1 Coin/1 Credit	240	yes
1 Coin/1 Credit, 5/6	48	no
1 Coin/1 Credit, 4/5	32	no
1 Coin/1 Credit, 2/3	16	no
2 Coins/3 Credits	96	no
1 Coin/2 Credits	224	no
1 Coin/3 Credits	208	no
1 Coin/4 Credits	192	no
1 Coin/5 Credits	176	no
1 Coin/6 Credits	160	no
Free Play (if Coin A too) or 1/1	0	no

2 Credits to Start

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
2 Credits to Start	DSW2	1

location

name	number	inverted
SW2	1	no

value

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

Demo Sounds

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Demo Sounds	DSW2	2

location

name	number	inverted
SW2	2	no

value

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

Lives

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Lives	DSW2	12

location

name	number	inverted
SW2	3	no
SW2	4	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
1	0	no
2	12	no
3	8	yes
4	4	no

Bonus Life

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Bonus Life	DSW2	48

location

name	number	inverted
SW2	5	no
SW2	6	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
Easy	32	no
Normal	48	yes
Hard	16	no
Hardest	0	no

Difficulty

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Difficulty	DSW2	64

location

name	number	inverted
SW2	7	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
Normal	64	yes
Hard	0	no

Attack Button to Start

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Attack Button to Start	DSW2	128

location

name	number	inverted
SW2	8	no

value

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