Mega Blast (Japan) - mame (0286) machine

MAME: 0286 - Released: 2026-02-25T16:02:51 - Machines: 49738 - rom: 368235 - disk: 1396

machine

• XML • JSON • RUN

name	sourcefile	sampleof	isbios	isdevice	ismechanical	runnable	description	year	manufacturer	cloneof	romof
megablstj	taito/taito_f2.cpp		no	no	no	yes	Mega Blast (Japan)	1989	Taito Corporation	megablst	megablst

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Key	Length	LastWriteTime	Width	Height	HorizontalResolution	VerticalResolution	PaletteLength	PixelFormat	PropertyItems
megablstj	16641	29/12/2025 11:31:34	320	224	96	96	0	Format24bppRgb	305:MAME 0.125u3 (May 29 2008)

display

tag	type	rotate	width	height	refresh	pixclock	htotal	hbend	hbstart	vtotal	vbend	vbstart	flipx
screen	raster	0	320	224	60.000000								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
c11-07.55	131072	11d228b6	5f658a4a0ece3ad4e02ccad6e2852e16dd338dfd	maincpu	0	good	no	c11-07.55
c11-08.39	131072	a79d4dca	72a97577981a303230374c5f5e201066f71d9cc5	maincpu	1	good	no	c11-08.39
c11-06.54	131072	7c249894	88dff86b446bcbc4e8ab14cfc3c57b40d25cfa97	maincpu	40000	good	no	c11-06.54
c11-09.38	131072	c830aad5	967ad3e052572300f5f49375e5f8348f2d595680	maincpu	40001	good	no
c11-15.ic59	8192	af49ee7f	824d7ed371c19f31768b20117027edba6ffc890e	cchip:cchip_eprom	0	good	no	c11-15.ic59
c11-05.58	524288	733e6d8e	47f3360f7c41b7e4a42e8198fc1bcce4e819181f	tc0100scn_1	0	good	no	c11-05.58
c11-03.32	524288	46718c7a	c10308a282bf0c618108e4afc7ce6f0f6cb8c6c0	sprites	0	good	no	c11-03.32
c11-04.31	524288	663f33cc	5d3d3e77b7a84f6a3d4e744eef9b63bef91180e8	sprites	1	good	no	c11-04.31
c11-12.3	65536	b11094f1	a01e9f7d1f616bb379eaa85ad81b94173b067782	audiocpu	0	good	no	c11-12.3
c11-01.29	524288	fd1ea532	481698b747a421a17bfb8cef96065712d4f3997f	ymsnd:adpcma	0	good	no	c11-01.29
c11-02.30	524288	451cc187	a682f70bbe6cba2fe2c0a6791e8d33db34eb2cee	ymsnd:adpcmb	0	good	no	c11-02.30

chip

type	tag	name	clock
cpu	maincpu	Motorola MC68000	12000000
cpu	audiocpu	Zilog Z80	4000000
cpu	cchip:upd7811	NEC uPD78C11	12000000
audio	speaker	Speaker
audio	ymsnd	YM2610 OPNB	8000000

device_ref

tag	name
:maincpu	m68000
:audiocpu	z80
:screen	screen
:gfxdecode	gfxdecode
:palette	palette
:speaker	speaker
:ymsnd	ym2610
:tc0140syt	tc0140syt
:tc0220ioc	tc0220ioc
:tc0220ioc:watchdog	watchdog
:cchip	cchip
:cchip:upd7811	upd78c11
:cchip_irq_clear	timer
:tc0100scn_1	tc0100scn
:tc0360pri	tc0360pri

sound

channels
1

input

players	coins	service	tilt
2	2	no	yes

control

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

port, analog

port_tag	analog_masks
:DSWA
:DSWB
:IN0
:IN1
:IN2

dipswitch

Cabinet

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Cabinet	DSWA	1

location

name	number	inverted
SW1	1	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
Upright	0	yes
Cocktail	1	no

Flip Screen

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Flip Screen	DSWA	2

location

name	number	inverted
SW1	2	no

value

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

Service Mode

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Service Mode	DSWA	4

location

name	number	inverted
SW1	3	no

value

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

Demo Sounds

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Demo Sounds	DSWA	8

location

name	number	inverted
SW1	4	no

value

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

Coin A

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Coin A	DSWA	48

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	16	no
1 Coin/1 Credit	48	yes
3 Coins/4 Credits	0	no
1 Coin/2 Credits	32	no

Coin B

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Coin B	DSWA	192

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	64	no
1 Coin/1 Credit	192	yes
3 Coins/4 Credits	0	no
1 Coin/2 Credits	128	no

Difficulty

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Difficulty	DSWB	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
Medium	3	yes
Hard	1	no
Hardest	0	no

Bonus Life

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Bonus Life	DSWB	12

location

name	number	inverted
SW2	3	no
SW2	4	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
100k only	12	yes
150k only	4	no
200k only	8	no
None	0	no

Lives

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Lives	DSWB	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
4	32	no

Upright Controls

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Upright Controls	DSWB	64

location

name	number	inverted
SW2	7	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
Single	0	no
Dual	64	yes

Unused

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unused	DSWB	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