mame (0289) • machine contrambc • Contra (Conny bootleg of Mega Drive version)

machine

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name	sourcefile	sampleof	isbios	isdevice	ismechanical	runnable	description	year	manufacturer	cloneof	romof
contrambc	sega/megadriv_acbl.cpp		no	no	no	yes	Contra (Conny bootleg of Mega Drive version)	1995	bootleg (Conny / Chuangyi)

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Key	Length	LastWriteTime	Width	Height	HorizontalResolution	VerticalResolution	PaletteLength	PixelFormat	PropertyItems	PixelSHA1
contrambc	858	29/12/2025 11:31:18	320	224	96	96	0	Format24bppRgb	305:MAMEUI 0.281.0 (2025-09-26)	2ab1bf9e254dc6b80de909e6fdf6a5783a8c4fff

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
rom.m2	524288	28b9d1a9	0a7536088e61239c5c777847e57b282289b006f2	maincpu	100000	good	no
rom.m3	524288	990f824d	95f769a9f9263479ca74fdaee12a3eae16cae432	maincpu	0	good	no
rom.m5	524288	1c92ebf1	33e7aff01fa9db7900a4e1a834772e128c06b148	maincpu	100001	good	no
rom.m6	524288	ab83e795	cd2da23ffd5e0ca954bcdfd2a9f48e16cdd587a0	maincpu	1	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	1	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
:DSW
:PAD1
:PAD2

dipswitch

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	DSW	1

location

name	number	inverted
DSW	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	DSW	2

location

name	number	inverted
DSW	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	DSW	4

location

name	number	inverted
DSW	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	DSW	8

location

name	number	inverted
DSW	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	DSW	16

location

name	number	inverted
DSW	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	DSW	32

location

name	number	inverted
DSW	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	DSW	64

location

name	number	inverted
DSW	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	DSW	128

location

name	number	inverted
DSW	8	no

value

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