Mayday (set 1) - mame (0278) machine

MAME: 0278 - Released: 2025-06-29T00:16:39 - Machines: 48574 - rom: 362783 - disk: 1374

machine

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name	sourcefile	sampleof	isbios	isdevice	ismechanical	runnable	description	year	manufacturer	cloneof	romof
mayday	midway/williams.cpp		no	no	no	yes	Mayday (set 1)	1980	Hoei

display

tag	type	rotate	width	height	refresh	pixclock	htotal	hbend	hbstart	vtotal	vbend	vbstart	flipx
screen	raster	0	292	240	60.096154	8000000	512	12	304	260	7	247	no

driver

status	emulation	savestate	requiresartwork	unofficial	nosoundhardware	incomplete	cocktail
preliminary	good	supported	no	no	no	no

rom

name	size	crc	sha1	region	offset	status	optional	merge	bios
ic03-3.bin	4096	a1ff6e62	c3c60ce94c6bdc4b07e45f386eff9a4aa4816953	maincpu	0	good	no
ic02-2.bin	4096	62183aea	3843fe055ab6d3bb5a3362f57a63ce99e36cec47	maincpu	1000	good	no
ic01-1.bin	4096	5dcb113f	c41d671c336c68824771b7c4f0ffce39f1b6cd62	maincpu	2000	good	no
ic04-4.bin	4096	ea6a4ec8	eaedc11968d88fd6f3c5b40c8d15d64ca6d0a1ab	banked	0	good	no
ic05-5.bin	4096	0d797a3e	289d2ecfebd7d71430d6624f3c9fbc91f9ef05cc	banked	1000	good	no
ic06-6.bin	4096	ee8bfcd6	f68c44fdc18d57070aea604e261fb7b9407345a2	banked	2000	good	no
ic07-7d.bin	4096	d9c065e7	ceeb58d1dfe14106271f17cf1c689b812216c3c0	banked	6000	good	no
ic28-8.bin	2048	fefd5b48	ceb0d18483f0691978c604db94417e6941ad7ff2	soundcpu	f800	good	no

chip

type	tag	name	clock
cpu	maincpu	Motorola MC6809E	1000000
cpu	soundcpu	Motorola MC6808	3579545
audio	speaker	Speaker
audio	dac	MC1408 DAC

device_ref

name
mc6809e
m6808
nvram
timer
timer
watchdog
screen
palette
speaker
mc1408
ipt_merge_any_hi
ipt_merge_any_hi
pia6821
pia6821
pia6821

sound

channels
1

feature

type	status	overall
protection	imperfect

input

players	coins	service	tilt
1	2	yes	no

control

type	player	buttons	ways	reverse	minimum	maximum	sensitivity	keydelta	ways2	ways3	reqbuttons
joy		3	5 (half8)	no

port, analog

port_tag	analog_masks
:IN0
:IN1
:IN2