Sky Alert - mame (0280) machine

MAME: 0280 - Released: 2025-08-29T22:26:57 - Lists: 731 - Software: 139884 - rom: 235974 - disk: 11384

machine

• XML • JSON • AO

name	sourcefile	sampleof	isbios	isdevice	ismechanical	runnable	description	year	manufacturer	cloneof	romof
skyalert	metro/metro.cpp		no	no	no	yes	Sky Alert	1992	Metro

display

tag	type	rotate	width	height	refresh	pixclock	htotal	hbend	hbstart	vtotal	vbend	vbstart	flipx
screen	raster	270	360	224	58.232800								no

driver

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

rom

name	size	crc	sha1	region	offset	status	optional	merge	bios
sa_c_09.bin	131072	6f14d9ae	37e134af3d8461280dab971bc3ee9112f25de335	maincpu	0	good	no
sa_c_10.bin	131072	f10bb216	d904030fbb838d906ca69a77cffe286e903b273d	maincpu	1	good	no
sa_b_12.bin	131072	f358175d	781d0f846217aa71e3c6d73c1d63bd87d1fa6b48	audiocpu	0	good	no
sa_a_02.bin	262144	f4f81d41	85e587b4fda71fa5b944b0ac158d36c00e290f5f	vdp	0	good	no
sa_a_04.bin	262144	7d071e7e	24b9b0cb7e9f719259b0444ee896bdc1ad79a28d	vdp	1	good	no
sa_a_06.bin	262144	77e4d5e1	420e5aaf187e297b371830ebd5787675cff6177b	vdp	2	good	no
sa_a_08.bin	262144	f2a5a093	66d482cc3f45ff7bf1363cf3c88e2dabc902a299	vdp	3	good	no
sa_a_01.bin	262144	41ec6491	c0bd66409bc6ea969f4c45cc006fde891ba8b4d7	vdp	4	good	no
sa_a_03.bin	262144	e0dff10d	3aa18b05f06b4b0a88ba4df86dfc0ca650c2684e	vdp	5	good	no
sa_a_05.bin	262144	62169d31	294887b6ce0d56e053e7f7583b8a160afeef4ce5	vdp	6	good	no
sa_a_07.bin	262144	a6f5966f	00319b96dacc4dcfd70935e1626da0ae6aa63e5a	vdp	7	good	no
sa_a_11.bin	131072	04842a60	ade016c85867dee7ac27efe3910b01f5f8e730a0	oki	0	good	no

chip

type	tag	name	clock
cpu	maincpu	Motorola MC68000	12000000
cpu	audiocpu	NEC uPD78C10	12000000
audio	mono	Speaker
audio	oki	OKI MSM6295 ADPCM	1200000
audio	ymsnd	YM2413 OPLL	3579545

device_ref

name
m68000
upd78c10
i4100
palette
buffered_spriteram16
screen
speaker
okim6295
ym2413

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
:DSW0
:DSW1
:IN0
:IN1
:IN2
:IN3

dipswitch

Coin A

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Coin A	DSW0	7

location

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

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
4 Coins/1 Credit	1	no
3 Coins/1 Credit	2	no
2 Coins/1 Credit	3	no
1 Coin/1 Credit	7	yes
1 Coin/2 Credits	6	no
1 Coin/3 Credits	5	no
1 Coin/4 Credits	4	no
Free Play	0	no

Coin B

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Coin B	DSW0	56

location

name	number	inverted
SW1	4	no
SW1	5	no
SW1	6	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
4 Coins/1 Credit	8	no
3 Coins/1 Credit	16	no
2 Coins/1 Credit	24	no
1 Coin/1 Credit	56	yes
1 Coin/2 Credits	48	no
1 Coin/3 Credits	40	no
1 Coin/4 Credits	32	no
Free Play	0	no

Flip Screen

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Flip Screen	DSW0	64

location

name	number	inverted
SW1	7	no

value

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

Service Mode

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Service Mode	DSW0	128

location

name	number	inverted
SW1	8	no

value

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

Difficulty

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Difficulty	DSW1	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

Lives

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Lives	DSW1	12

location

name	number	inverted
SW2	3	no
SW2	4	no

value

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

Bonus Life

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Bonus Life	DSW1	48

location

name	number	inverted
SW2	5	no
SW2	6	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
100K, every 400K	48	yes
200K, every 400K	32	no
200K	16	no
None	0	no

Allow Continue

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Allow Continue	DSW1	64

location

name	number	inverted
SW2	7	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
No	0	no
Yes	64	yes

Demo Sounds

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Demo Sounds	DSW1	128

location

name	number	inverted
SW2	8	no

value

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