Acorn System 1 - mame (0283) machine

MAME: 0283 - Released: 2025-11-27T19:22:18 - Machines: 49383 - rom: 366513 - disk: 1391

machine

• XML • JSON • RUN

name	sourcefile	sampleof	isbios	isdevice	ismechanical	runnable	description	year	manufacturer	cloneof	romof
acrnsys1	acorn/acrnsys1.cpp		no	no	no	yes	Acorn System 1	1979	Acorn Computers

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
acrnsys1.bin	512	43dcfc16	b987354c55beb5e2ced761970c3339b895a8c09d	maincpu	0	good	no

chip

type	tag	name	clock
cpu	maincpu	MOS Technology 6502	1008000
audio	mono	Speaker
audio	cassette	Cassette

device_ref

name
m6502
speaker
ins8154
ttl74145
cassette_image
timer
timer

sound

channels
1

device, instance

type	tag	interface	fixed_image	mandatory	name	briefname
cassette	cassette				cassette	cass

device, extension

type	tag	interface	fixed_image	mandatory	extension_names
cassette	cassette				wav, flac

input

players	coins	service	tilt
1		no	no

control

type	player	buttons	ways	reverse	minimum	maximum	sensitivity	keydelta	ways2	ways3
keyboard		26		no

port, analog

port_tag	analog_masks
:X0
:X1
:X2
:X3
:X4
:X5
:X6
:X7
:config
:reset
:switch

configuration

Switch connected to

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Switch connected to	config	3

setting

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
IRQ	0	yes
NMI	1	no
RST	2	no