Thundercade / Twin Formation - 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
tndrcade	seta/downtown.cpp		no	no	no	yes	Thundercade / Twin Formation	1987	Seta (Taito license)

display

tag	type	rotate	width	height	refresh	pixclock	htotal	hbend	hbstart	vtotal	vbend	vbstart	flipx
screen	raster	270	384	224	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
ua0-4.u19	131072	73bd63eb	5d410d2a77f1c3c4c37a9fe1e56019335891fe67	maincpu	0	good	no
ua0-2.u17	131072	e96194b1	c5084d06a2e4f7ba3112be1ccc314f7d712bb45e	maincpu	1	good	no
ua0-3.u18	131072	0a7b1c41	ede14ac08d7e63972c21fd2d0717276e73153f18	maincpu	40000	good	no
ua0-1.u16	131072	fa906626	a1d28328afa8dda98dd20f3f5a19c0dbf2ebaf36	maincpu	40001	good	no
ua10-5.u24	131072	8eff6122	1adc1643018e612df85643014b78525106478889	sub	4000	good	no
ua0-10.u12	262144	aa7b6757	9157cc930760c846cce95e18bf38e7ea241f7a8e	sprites	0	good	no
ua0-11.u13	262144	11eaf931	ba1dfc4b0f87b1bbdc6c2e36deaecda2b4655d57	sprites	40000	good	no
ua0-12.u14	262144	00b5381c	6fc3138dd0e2b3f99872b1f0d177094df5bed39d	sprites	80000	good	no
ua0-13.u15	262144	8f9a0ed3	61315312fdb2fe090cd8e99a1ce3ecba46b466e9	sprites	c0000	good	no
ua0-6.u8	262144	14ecc7bb	920983f5086462f8f06dc9cf7bebffeeb7187977	sprites	100000	good	no
ua0-7.u9	262144	ff1a4e68	d732df7d139995814969a603c9c4e9f8b068b1a3	sprites	140000	good	no
ua0-8.u10	262144	936e1884	9ad495b88e124d08a7141611ed1897b6e2abd412	sprites	180000	good	no
ua0-9.u11	262144	e812371c	b0e1e0c143da743bf9f7b48d657594e76f4970ed	sprites	1c0000	good	no

chip

type	tag	name	clock
cpu	maincpu	Motorola MC68000	8000000
cpu	sub	WDC W65C02	2000000
audio	mono	Speaker
audio	ym1	YM2203 OPN	4000000
audio	ym2	YM3812 OPL2	4000000

device_ref

name
m68000
w65c02
timer
x1_001
screen
palette
speaker
ym2203
ym3812

sound

channels
1

input

players	coins	service	tilt
2	2	no	yes

control

type	player	buttons	ways	reverse	minimum	maximum	sensitivity	keydelta	ways2	ways3	reqbuttons
joy	1	2	8	no
joy	2	2	8	no

port, analog

port_tag	analog_masks
:COINS
:DSW
:P1
:P2

dipswitch

Difficulty

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Difficulty	DSW	3

location

name	number	inverted
SW2	1	no
SW2	2	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
Easy	2	no
Normal	3	yes
Hard	1	no
Hardest	0	no

Bonus Life

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Bonus Life	DSW	12

location

name	number	inverted
SW2	3	no
SW2	4	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
50K Only	12	yes
50K, Every 150K	4	no
70K, Every 200K	0	no
100K Only	8	no

Lives

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Lives	DSW	48

location

name	number	inverted
SW2	5	no
SW2	6	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
1	16	no
2	0	no
3	48	yes
5	32	no

Allow Continue

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Allow Continue	DSW	64

location

name	number	inverted
SW2	7	no

value

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

Licensed To

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Licensed To	DSW	128

location

name	number	inverted
SW2	8	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
Taito America Corp.	128	no
Taito Corp. Japan	0	yes

Title

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Title	DSW	256

location

name	number	inverted
SW1	1	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
Thundercade	256	yes
Twin Formation	0	no

Flip Screen

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Flip Screen	DSW	512

location

name	number	inverted
SW1	2	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
Off	512	yes
On	0	no

Service Mode

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Service Mode	DSW	1024

location

name	number	inverted
SW1	3	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
Off	1024	yes
On	0	no

Demo Sounds

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Demo Sounds	DSW	2048

location

name	number	inverted
SW1	4	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
Off	2048	no
On	0	yes

Coin A

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Coin A	DSW	12288

location

name	number	inverted
SW1	5	no
SW1	6	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
2 Coins/1 Credit	4096	no	DSW	128	eq	128
1 Coin/1 Credit	12288	yes	DSW	128	eq	128
2 Coins/3 Credits	0	no	DSW	128	eq	128
1 Coin/2 Credits	8192	no	DSW	128	eq	128
4 Coins/1 Credit	0	no	DSW	128	ne	128
3 Coins/1 Credit	4096	no	DSW	128	ne	128
2 Coins/1 Credit	8192	no	DSW	128	ne	128
1 Coin/1 Credit	12288	yes	DSW	128	ne	128

Coin B

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Coin B	DSW	49152

location

name	number	inverted
SW1	7	no
SW1	8	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
2 Coins/1 Credit	16384	no	DSW	128	eq	128
1 Coin/1 Credit	49152	yes	DSW	128	eq	128
2 Coins/3 Credits	0	no	DSW	128	eq	128
1 Coin/2 Credits	32768	no	DSW	128	eq	128
1 Coin/2 Credits	49152	yes	DSW	128	ne	128
1 Coin/3 Credits	32768	no	DSW	128	ne	128
1 Coin/4 Credits	16384	no	DSW	128	ne	128
1 Coin/6 Credits	0	no	DSW	128	ne	128