Area 51: Site 4 (HD Rev 2.01, September 7, 1998)

machine

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name	sourcefile	sampleof	isbios	isdevice	ismechanical	runnable	description	year	manufacturer	cloneof	romof
a51site4	atari/mediagx.cpp		no	no	no	yes	Area 51: Site 4 (HD Rev 2.01, September 7, 1998)	1998	Atari Games

snap

Key	Length	LastWriteTime	Width	Height	HorizontalResolution	VerticalResolution	PaletteLength	PixelFormat	PropertyItems	PixelSHA1
a51site4	42569	29/12/2025 11:31:15	360	240	96	96	0	Format24bppRgb	305:MAME 0.162 (May 27 2015)	539e624133f7a526a524c743eaff362f0a4d60d6

display

tag	type	rotate	width	height	refresh	pixclock	htotal	hbend	hbstart	vtotal	vbend	vbstart	flipx
screen	raster	0	640	240	60.000000	18432000	640	0	640	480	0	240	no

driver

status	emulation	savestate	requiresartwork	unofficial	nosoundhardware	incomplete	cocktail
preliminary	preliminary	unsupported	no	no	no	no

rom

name	size	crc	sha1	region	status	optional	bios
a51s4_bios_09-15-98.u1	262144	f8cd6a6b	75f851ae21517b729a5596ce5e042ebfaac51778	bios	good	no	new
a51s4_bios_07-11-98.u1	262144	5ee189cc	0b0d9321a4c59b1deea6854923e655a4d8c4fcfe	bios	good	no	old
a51s4_bios_04-22-98.u1	262144	2008bfc6	004bec8759fb04d375c6efc49d048693d1f871ee	bios	good	no	older
cga.chr	4096	42009069	ed08559ce2d7f97f68b9f540bddad5b6295294dd	gfx1	good	no

disk

name	merge	sha1	region	index	writable	status	optional
a51site4-2_01		48496666d1613700ae9274f9a5361ea5bbaebea0	ide:0:hdd	0	yes	good	no

chip

type	tag	name	clock
cpu	maincpu	Cyrix MediaGX	166000000
cpu	dma8237_1	AM9517A	4772727
cpu	dma8237_2	AM9517A	4772727
audio	speaker	Speaker
audio	dac0	DMA-driven DAC
audio	dac1	DMA-driven DAC

device_ref

tag	name
:maincpu	mediagx
:lpt0	pc_lpt
:lpt0:centronics	centronics
:lpt0:centronics:printer	centronics_printer
:lpt0:centronics:printer:printer	printer_image
:lpt0:cent_data_in	input_buffer
:lpt0:cent_ctrl_in	input_buffer
:lpt0:cent_status_in	input_buffer
:lpt0:cent_data_out	output_latch
:lpt0:cent_ctrl_out	output_latch
:pic8259_1	pic8259
:pic8259_2	pic8259
:dma8237_1	am9517a
:dma8237_2	am9517a
:pit8254	pit8254
:pit8254:counter0	pit_counter
:pit8254:counter1	pit_counter
:pit8254:counter2	pit_counter
:rtc	mc146818
:kbdc	kbdc8042
:at_keyboard	at_keyb
:pcibus	pci_bus_legacy
:ide	idectrl32
:ide:0	ata_slot
:ide:0:hdd	idehd
:ide:0:hdd:image	harddisk_image
:ide:1	ata_slot
:sound_timer	timer
:ramdac	ramdac
:screen	screen
:gfxdecode	gfxdecode
:palette	palette
:speaker	speaker
:dac0	dmadac
:dac1	dmadac

biosset

name	description	default
new	v1.0h	no
old	v1.0f	no
older	v1.0d	no

sound

channels
1

device, instance

type	tag	interface	fixed_image	mandatory	name	briefname
printout	lpt0:centronics:printer:printer				printout	prin
harddisk	ide:0:hdd:image	ide_hdd,hdd			harddisk	hard

device, extension

type	tag	interface	fixed_image	mandatory	extension_names
printout	lpt0:centronics:printer:printer				prn
harddisk	ide:0:hdd:image	ide_hdd,hdd			chd, hd, hdv, 2mg, hdi

input

players	coins	service	tilt
3	4	yes	no

control

type	player	buttons	ways	reverse
joy	1	9	5 (half8)	no
keyboard	1	103		no
joy	2	3	5 (half8)	no
joy	3	3	5 (half8)	no

port, analog

port_tag	analog_masks
:IN0
:IN1
:IN2
:IN3
:IN4
:IN5
:IN6
:IN7
:IN8
:at_keyboard:pc_keyboard_0
:at_keyboard:pc_keyboard_1
:at_keyboard:pc_keyboard_2
:at_keyboard:pc_keyboard_3
:at_keyboard:pc_keyboard_4
:at_keyboard:pc_keyboard_5
:at_keyboard:pc_keyboard_6
:at_keyboard:pc_keyboard_7

slot, slotoption

slot_name	slotoption_name	slotoption_devname	slotoption_default
lpt0:centronics	nlq401	nlq401	no
lpt0:centronics	smartboard	centronics_smartboard	no
lpt0:centronics	chessmec	centronics_chessmec	no
lpt0:centronics	samdac	centronics_samdac	no
lpt0:centronics	covox_stereo	covox_stereo	no
lpt0:centronics	adaptator	adaptator_multitap	no
lpt0:centronics	digiblst	cpcdigiblst	no
lpt0:centronics	lx800	lx800	no
lpt0:centronics	jx80	epson_jx80	no
lpt0:centronics	ap2000	ap2000	no
lpt0:centronics	ex800	ex800	no
lpt0:centronics	fx80	epson_fx80	no
lpt0:centronics	rx80	epson_rx80	no
lpt0:centronics	mz1p16	mz1p16	no
lpt0:centronics	covox	covox	no
lpt0:centronics	pl80	comx_pl80	no
lpt0:centronics	lx810l	lx810l	no
lpt0:centronics	p72	p72	no
lpt0:centronics	printer	centronics_printer	yes

clones

name	description
a51site4a	Area 51: Site 4 (HD Rev 2.0, September 11, 1998)

Area 51: Site 4 (HD Rev 2.01, September 7, 1998) - mame (0286) machine

machine

snap

display

driver

rom

disk

chip

device_ref

biosset

sound

device, instance

device, extension

input

control

port, analog

slot, slotoption

clones