Bio-Hazard Battle (scrambled bootleg of Mega Drive version) - mame (0286) machine

machine

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name	sourcefile	sampleof	isbios	isdevice	ismechanical	runnable	description	year	manufacturer	cloneof	romof
biohzdmb	sega/megadriv_acbl.cpp		no	no	no	yes	Bio-Hazard Battle (scrambled bootleg of Mega Drive version)	1995	bootleg / Sega

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Bio-Hazard Battle (scrambled bootleg of Mega Drive version) png snap

Bio-Hazard Battle (scrambled bootleg of Mega Drive version) jpg snap thumbnail

Key	Length	LastWriteTime	Width	Height	HorizontalResolution	VerticalResolution	PaletteLength	PixelFormat	PropertyItems	PixelSHA1
biohzdmb	4353	29/12/2025 11:31:17	320	224	96	96	0	Format24bppRgb	305:MAMEUI 0.281.0 (2025-09-26)	e344e4ab37d2dc6c13d5162d0b1d2bbe24ceba7b

display

tag	type	rotate	width	height	refresh	pixclock	htotal	hbend	hbstart	vtotal	vbend	vbstart	flipx
megadriv	raster	0	256	224	59.922743								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
u14	524288	b96cf28c	0a49cf2fc0a2712b423b4e1f95a4befe3bf5c746	maincpu	1	good	no
u15	524288	41a8eae8	a9db565f4ca4d71c81fbb44fd429221951887bab	maincpu	0	good	no

chip

type	tag	name	clock
cpu	maincpu	Motorola MC68000	7670453
cpu	genesis_snd_z80	Zilog Z80	3579545
audio	gen_vdp	Sega 315-5313 Megadrive VDP	53693175
audio	gen_vdp:snsnd	Sega VDP PSG	3579545
audio	speaker	Speaker
audio	ymsnd	YM2612 OPN2	7670453

device_ref

tag	name
:maincpu	m68000
:md_scan_timer	timer
:gen_vdp	sega315_5313
:gen_vdp:palette_lut	palette
:gen_vdp:snsnd	segapsg
:gen_vdp:gfx_palette	palette
:gen_vdp:gfx_palette_shadow	palette
:gen_vdp:gfx_palette_hilight	palette
:megadriv	screen
:genesis_snd_z80	z80
:hl	ipt_merge_any_hi
:ioport1	megadrive_io_port
:ioport2	megadrive_io_port
:ioport3	megadrive_io_port
:speaker	speaker
:ymsnd	ym2612

sound

channels
1

input

players	coins	service	tilt
2	2	no	no

control

type	player	buttons	ways	reverse	minimum	maximum	sensitivity	keydelta	ways2	ways3
joy	1	3	8	no
joy	2	3	8	no

port, analog

port_tag	analog_masks
:COINS
:DSWA
:DSWB
:DSWC
:PAD1
:PAD2

dipswitch

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	DSWA	1

location

name	number	inverted
DSWA	1	no

value

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

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	DSWA	2

location

name	number	inverted
DSWA	2	no

value

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

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	DSWA	4

location

name	number	inverted
DSWA	3	no

value

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

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	DSWA	8

location

name	number	inverted
DSWA	4	no

value

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

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	DSWA	16

location

name	number	inverted
DSWA	5	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
Off	16	yes
On	0	no

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	DSWA	32

location

name	number	inverted
DSWA	6	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
Off	32	yes
On	0	no

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	DSWA	64

location

name	number	inverted
DSWA	7	no

value

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

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	DSWA	128

location

name	number	inverted
DSWA	8	no

value

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

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	DSWB	1

location

name	number	inverted
DSWB	1	no

value

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

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	DSWB	2

location

name	number	inverted
DSWB	2	no

value

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

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	DSWB	4

location

name	number	inverted
DSWB	3	no

value

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

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	DSWB	8

location

name	number	inverted
DSWB	4	no

value

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

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	DSWB	16

location

name	number	inverted
DSWB	5	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
Off	16	yes
On	0	no

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	DSWB	32

location

name	number	inverted
DSWB	6	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
Off	32	yes
On	0	no

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	DSWB	64

location

name	number	inverted
DSWB	7	no

value

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

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	DSWB	128

location

name	number	inverted
DSWB	8	no

value

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

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	DSWC	1

location

name	number	inverted
DSWC	1	no

value

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

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	DSWC	2

location

name	number	inverted
DSWC	2	no

value

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

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	DSWC	4

location

name	number	inverted
DSWC	3	no

value

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

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	DSWC	8

location

name	number	inverted
DSWC	4	no

value

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

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	DSWC	16

location

name	number	inverted
DSWC	5	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
Off	16	yes
On	0	no

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	DSWC	32

location

name	number	inverted
DSWC	6	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
Off	32	yes
On	0	no

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	DSWC	64

location

name	number	inverted
DSWC	7	no

value

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

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	DSWC	128

location

name	number	inverted
DSWC	8	no

value

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