HP48GX - mame (0285) machine

MAME: 0285 - Released: 2026-01-29T17:50:05 - Machines: 49616 - rom: 367884 - disk: 1392

machine

• XML • JSON • RUN

name	sourcefile	sampleof	isbios	isdevice	ismechanical	runnable	description	year	manufacturer	cloneof	romof
hp48gx	hp/hp48.cpp		no	no	no	yes	HP48GX	1993	Hewlett Packard

snap

HP48GX png snap

HP48GX jpg snap thumbnail

Key	Length	LastWriteTime	Width	Height	HorizontalResolution	VerticalResolution	PaletteLength	PixelFormat	PropertyItems
hp48gx	577	29/12/2025 11:31:24	131	64	96	96	0	Format24bppRgb	305:MAME 0.203 (Oct 31 2018)

display

tag	type	rotate	width	height	refresh	pixclock	htotal	hbend	hbstart	vtotal	vbend	vbstart	flipx
screen	raster	0	131	64	64.000000								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
gxrom-k	524288	bdd5d2ee	afa1498238e991b1e3d07fb8b4c227b115f7bcc1	maincpu	0	good	no		k
gxrom-l	524288	70958e6b	8eebac69ff804086247b989bf320e57a2d8a59a7	maincpu	0	good	no		l
gxrom-m	524288	e21a09e4	09932d543594e459eeb94a79654168cd15e79a87	maincpu	0	good	no		m
gxrom-p	524288	022d46df	877a536865641f096212d1ce7296f580afbd6a2d	maincpu	0	good	no		p
gxrom-r	524288	00ee1a62	5705fc9ea791916c4456ac35e22275862411db9b	maincpu	0	good	no		r

chip

type	tag	name	clock
cpu	maincpu	Hewlett-Packard Saturn	3937007
audio	speaker	Speaker
audio	dac	1-Bit DAC

device_ref

tag	name
:maincpu	saturn_cpu
:nvram	nvram
:screen	screen
:palette	palette
:speaker	speaker
:dac	dac
:port1	hp48_port_image
:port2	hp48_port_image

biosset

name	description	default
k	Version K	no
l	Version L	no
m	Version M	no
p	Version P	no
r	Version R	yes

sound

channels
1

device, instance

type	tag	interface	fixed_image	mandatory	name	briefname
port	port1				port1	p1
port	port2				port2	p2

device, extension

type	tag	interface	fixed_image	mandatory	extension_names
port	port1				crd
port	port2				crd

input

players	coins	service	tilt
1		no	no

control

type	player	buttons	ways	reverse	minimum	maximum	sensitivity	keydelta	ways2	ways3
keyboard		49		no

port, analog

port_tag	analog_masks
:BATTERY
:LINE0
:LINE1
:LINE2
:LINE3
:LINE4
:LINE5
:LINE6
:LINE7
:LINE8
:ON

configuration

Battery status

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Battery status	BATTERY	3

setting

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
Normal	0	yes
Low	1	no
Very low	2	no