Junior Computer - mame (0280) machine

MAME: 0280 - Released: 2025-08-29T22:26:57 - Lists: 731 - Software: 139884 - rom: 235974 - disk: 11384

machine

• XML • JSON • AO

name	sourcefile	sampleof	isbios	isdevice	ismechanical	runnable	description	year	manufacturer	cloneof	romof
junior	elektor/junior.cpp		no	no	no	yes	Junior Computer	1980	Elektor

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
ess503.ic2	1024	9e804f8c	181bdb69fb4711cb008e7966747d4775a5e3ef69	maincpu	0	good	no		orig
junior-mod.ic2	1024	ee8aa69d	a132a51603f1a841c354815e6d868b335ac84364	maincpu	0	good	no		mod-orig
junior27321a.ic2	1024	e22f24cc	a6edb52a9eea5e99624c128065e748e5a3fb2e4c	maincpu	0	good	no		2732

chip

type	tag	name	clock
cpu	maincpu	MOS Technology 6502	1000000

device_ref

name
m6502
pwm_display
mos6532

biosset

name	description	default
orig	Original ESS503	yes
mod-orig	Mod-Original (2708)	no
2732	Just monitor (2732)	no

sound

channels
0

input

players	coins	service	tilt
1		no	no

control

type	player	buttons	ways	reverse	minimum	maximum	sensitivity	keydelta	ways2	ways3	reqbuttons
keyboard		23		no

port, analog

port_tag	analog_masks
:LINE0
:LINE1
:LINE2
:LINE3

dipswitch

S25: Display

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
S25: Display	LINE3	8

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
Off	0	no
On	8	yes

S24: SS (NumLock)

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
S24: SS (NumLock)	LINE3	16

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
single step	0	no
run	16	yes