Defense (System 16B, FD1089A 317-0028) - 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
defense	sega/segas16b.cpp		no	no	no	yes	Defense (System 16B, FD1089A 317-0028)	1987	Sega	sdi	sdi

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-10917a.a4	32768	d91ac47c	298e4a9c1b00bd6090e7c4f42efd4c6e20b69d62	maincpu	0	good	no
epr-10915.a1	32768	7344c510	4bee5485204e8ec858726e403c55bb1592a991cc	maincpu	1	good	no
epr-10918a.a5	32768	e41befcd	bbac5f501d215b18d34e3d366fd39cf7fa38a25c	maincpu	10000	good	no
epr-10916a.a2	32768	7f58ba12	38ca3ded758a005f6bb345ffe991a7d374ddeede	maincpu	10001	good	no
epr-10829.a6	32768	a431ab08	95888af6fae598c40e7fefffbfd1f0b551e9f1be	maincpu	20000	good	no
epr-10826.a3	32768	2ed8e4b7	23da16e29a475d6ec7ccec8cdd18a1dc78ae69cd	maincpu	20001	good	no
10919.b9	65536	23b88f82	6c1336c17bdd8adc39bf4eca5b3348ac7b1e6559	gfx1	0	good	no
10920.b10	65536	22b1fb4c	f4721796155f13d472d735c646bc52f20f04debd	gfx1	10000	good	no
10921.b11	65536	7788f55d	435273196a5e812f28a2224807e842ccadff9c10	gfx1	20000	good	no
10760.b1	65536	70de327b	11dde9cefd993f5fb02baf5809fae6c1176a58a1	sprites	1	good	no
10763.b5	65536	99ec5cb5	933a2216a2c772fc82499c739457865b1c75cdb8	sprites	0	good	no
10761.b2	65536	4e80f80d	d168235bdf09317545c999676a4adf015df32366	sprites	20001	good	no
10764.b6	65536	602da5d5	d32cdde7d86c4561e7bfa547d7d7995ce9a43c24	sprites	20000	good	no	epr-10764.18
10762.b3	65536	464b5f78	b730964a54e6a63fa5b7cc2cbf9ec0ab650626d5	sprites	40001	good	no
10765.b7	65536	0a73a057	7f31124c67541a245e069e5b6aac59935d99a9a9	sprites	40000	good	no	epr-10765.24
10775.a7	32768	4cbd55a8	8af2c52ab61338c8a9f1a74a05470dd3d5e0c42f	soundcpu	0	good	no
317-0028.key	8192	1514662f	d6241cb2a70c5b0442ecc2f8a10307608e5a0870	maincpu:key	0	baddump	no

chip

type	tag	name	clock
cpu	maincpu	Hitachi FD1089A Encrypted CPU	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
fd1089a
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	1	8	no
trackball	1			yes	0	255	75	5
joy	2	1	8	no
trackball	2			no	0	255	75	5

port, analog

port_tag	analog_masks
:ANALOGX1	255
:ANALOGX2	255
:ANALOGY1	255
:ANALOGY2	255
: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

Allow Continue

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Allow Continue	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
2	8	no
3	12	yes
4	4	no
Free	0	no

Difficulty

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Difficulty	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

Bonus Life

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Bonus Life	DSW2	192

location

name	number	inverted
SW2	7	no
SW2	8	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
Every 50000	128	no
50000	192	yes
100000	64	no
None	0	no