ZX-81 - mame (0277) machine

machine

• XML • JSON • AO

name	sourcefile	sampleof	isbios	isdevice	ismechanical	runnable	description	year	manufacturer	romof	cloneof
zx81	sinclair/zx.cpp		no	no	no	yes	ZX-81	1981	Sinclair Research Ltd

display

tag	type	rotate	width	height	refresh	pixclock	htotal	hbend	hbstart	vtotal	vbend	vbstart	flipx
screen	raster	0	384	311	50.655403	6049470	384	0	384	311	0	311	no

driver

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

rom

name	size	crc	sha1	region	offset	status	optional	merge	bios
zx81b.rom	8192	522c37b8	c6d8e06cb936989f6e1cc7a56d1f092da854a515	maincpu	0	good	no		3rd
zx81.rom	8192	fcbbd617	a0ade36540561cc1691bb6f0c42ceae12484a102	maincpu	0	good	no		1st
zx81a.rom	8192	4b1dd6eb	7b143ee964e9ada89d1f9e88f0bd48d919184cfc	maincpu	0	good	no		2nd
h4th.rom	8192	257d5a32	03809a6b464609ff924f7e55a85eef875cd47ae8	maincpu	0	good	no		hforth
tree4th.rom	8192	71616238	3ee15779e03482b10fc59eb4df2446376c56b00d	maincpu	0	good	no		tforth

chip

type	tag	name	clock
cpu	maincpu	Zilog Z80	3250000
audio	mono	Speaker
audio	cassette	Cassette

softwarelist

tag	name	status	filter
cass_list	zx81_cass	original

device_ref

name
z80
screen
palette
speaker
cassette_image
software_list
ram

biosset

name	description	default
3rd	3rd rev.	no
1st	1st rev.	no
2nd	2nd rev.	no
hforth	Forth by David Husband	no
tforth	Forth by Tree Systems	no

sound

channels
1

ramoption

name	default
1K
32K
48K
16K	yes

device, instance

type	tag	interface	fixed_image	mandatory	name	briefname
cassette	cassette	zx81_cass			cassette	cass

device, extension

type	tag	interface	fixed_image	mandatory	extension_names
cassette	cassette	zx81_cass			wav, flac, p, 81, tzx

input

players	coins	service	tilt
1		no	no

control

type	player	buttons	ways	reverse	minimum	maximum	sensitivity	keydelta	ways2	ways3	reqbuttons
keyboard		40		no

port, analog

port_tag	analog_masks
:CONFIG
:ROW0
:ROW1
:ROW2
:ROW3
:ROW4
:ROW5
:ROW6
:ROW7

configuration

TV system

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
TV system	CONFIG	64

setting

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
NTSC	0	no
PAL	64	yes