Game Gear (Japan) - mame (0284) machine

MAME: 0284 - Released: 2025-12-30T16:33:58 - Machines: 49538 - rom: 367487 - disk: 1392

machine

• XML • JSON • RUN

name	sourcefile	sampleof	isbios	isdevice	ismechanical	runnable	description	year	manufacturer	cloneof	romof
gamegeaj	sega/sms.cpp		no	no	no	yes	Game Gear (Japan)	1990	Sega	gamegear	gamegear

snap

Game Gear (Japan) png snap

Game Gear (Japan) jpg snap thumbnail

Key	Length	LastWriteTime	Width	Height	HorizontalResolution	VerticalResolution	PaletteLength	PixelFormat	PropertyItems
gamegeaj	233	29/12/2025 11:31:22	160	144	96	96	0	Format24bppRgb	305:MAME 0.200 (Jul 25 2018)

display

tag	type	rotate	width	height	refresh	pixclock	htotal	hbend	hbstart	vtotal	vbend	vbstart	flipx
screen	lcd	0	160	144	59.922743	5369317	342	111	271	262	67	211	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
majbios.rom	1024	0ebea9d4	914aa165e3d879f060be77870d345b60cfeb4ede	user1	0	good	no	majbios.rom	majesco

chip

type	tag	name	clock
cpu	maincpu	Zilog Z80	3579545
audio	speaker	Speaker
audio	sms_vdp	Sega 315-5377 Gamegear VDP	10738635
audio	sms_vdp:snsnd	Game Gear PSG	3579545

softwarelist

tag	name	status	filter
cart_list	gamegear	original

device_ref

tag	name
:maincpu	z80
:screen	screen
:speaker	speaker
:sms_vdp	sega315_5377
:sms_vdp:palette_lut	palette
:sms_vdp:snsnd	gamegear_psg
:slot	gamegear_cart_slot
:cart_list	software_list
:ioport	gamegear_io_port
:ext	sms_control_port

biosset

name	description	default
none	No BIOS	no
majesco	Majesco BIOS	no

sound

channels
1

device, instance

type	tag	interface	fixed_image	mandatory	name	briefname
cartridge	slot	gamegear_cart		1	cartridge	cart

device, extension

type	tag	interface	fixed_image	mandatory	extension_names
cartridge	slot	gamegear_cart		1	bin, gg

input

players	coins	service	tilt
1		no	no

control

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

port, analog

port_tag	analog_masks
:GG_PORT_DC
:PERSISTENCE
:START

slot, slotoption

slot_name	slotoption_name	slotoption_devname	slotoption_default
slot
ext	diypaddle	sms_diypaddle	no
ext	hypershot	sms_hypershot	no
ext	graphic	sms_graphic	no
ext	mdpad	sms_mdpad	no
ext	lphaser	sms_light_phaser	no
ext	md6button	sms_md6button	no
ext	xe1ap	sms_xe1ap	no
ext	sports	sms_sports_pad	no
ext	rs232	sms_rs232	no
ext	mspad	sms_joypad	no
ext	sportsjp	sms_sports_pad_jp	no
ext	rapidfire	sms_rapid_fire	no
ext	multitap	sms_multitap	no
ext	teamplay	sms_teamplayer	no
ext	mouseus	sms_megamouse	no
ext	mouse	sms_segamouse	no
ext	paddle	sms_paddle	no

configuration

LCD Persistence Hack

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
LCD Persistence Hack	PERSISTENCE	1

setting

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