TI-2550 III - 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
ti25503	handheld/hh_tms1k.cpp		no	no	no	yes	TI-2550 III	1976	Texas Instruments

snap

TI-2550 III png snap

TI-2550 III jpg snap thumbnail

Key	Length	LastWriteTime	Width	Height	HorizontalResolution	VerticalResolution	PaletteLength	PixelFormat	PropertyItems
ti25503	9425	29/12/2025 11:31:46	950	160	96	96	0	Format24bppRgb	305:MAME 0.185 (Apr 26 2017)

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
tms1043nl_za0352	1024	434c2684	ff566f1991f63cfe057879674e6bc7ccd580a919	maincpu	0	good	no
tms1000_ti25503_micro.pla	867	65d274ae	33d77efe38f8b067096c643d71263bb5adde0ca9	maincpu:mpla	0	good	no
tms1000_ti25503_output.pla	365	ac43b768	5eb19b493328c73edab73e44591afda0fbe4965f	maincpu:opla	0	good	no

chip

type	tag	name	clock
cpu	maincpu	Texas Instruments TMS1040	350000

device_ref

tag	name
:maincpu	tms1040
:maincpu:mpla	pla
:maincpu:opla	pla
: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		28		no

port, analog

port_tag	analog_masks
:IN.0
:IN.1
:IN.2
:IN.3
:IN.4
:IN.5
:IN.6