12R: Square Root - mame (0286) machine

machine

• XML • JSON • RUN

name	sourcefile	sampleof	isbios	isdevice	ismechanical	runnable	description	year	manufacturer	cloneof	romof
rw12r	handheld/hh_rw5000.cpp		no	no	no	yes	12R: Square Root	1975	Rockwell

snap

12R: Square Root png snap

12R: Square Root jpg snap thumbnail

Key	Length	LastWriteTime	Width	Height	HorizontalResolution	VerticalResolution	PaletteLength	PixelFormat	PropertyItems	PixelSHA1
rw12r	5080	29/12/2025 11:31:40	640	120	96	96	0	Format24bppRgb	305:MAME 0.243 (Apr 29 2022)	15eb106c690be8ebf36483bd52f381e7f8473d2a

driver

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

rom

name	size	crc	sha1	region	offset	status	optional	merge	bios
a5001	448	4337a46b	70f4683eac0afa31a6cd9dd44fdf1b6680575f67	maincpu	0	good	no

chip

type	tag	name	clock
cpu	maincpu	Rockwell A5000	250000

device_ref

tag	name
:maincpu	a5000
:display	pwm_display

sound

channels
0

input

players	coins	service	tilt
1		no	no

control

type	player	buttons	ways	reverse	minimum	maximum	sensitivity	keydelta	ways2	ways3
keypad		16		no

port, analog

port_tag	analog_masks
:IN.0
:IN.1
:IN.2
:IN.3