Xerox 820-II (low profile keyboard)

machine

• XML • JSON • RUN

name	sourcefile	sampleof	isbios	isdevice	ismechanical	runnable	description	year	manufacturer	cloneof	romof
x820iilp	xerox/xerox820.cpp		no	no	no	yes	Xerox 820-II (low profile keyboard)	1983	Xerox	x820ii	x820ii

snap

Key	Length	LastWriteTime	Width	Height	HorizontalResolution	VerticalResolution	PaletteLength	PixelFormat	PropertyItems	PixelSHA1
x820iilp	1386	31/07/2026 11:47:19	560	240	96	96	0	Format24bppRgb	305:MAME 0.289 (mame0289)	cc265bca61b54300b499e7636cf9a86d89d26852

display

tag	type	rotate	width	height	refresh	pixclock	htotal	hbend	hbstart	vtotal	vbend	vbstart	flipx
screen	raster	0	560	240	58.759615	10694250	700	0	560	260	0	240	no

driver

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

rom

name	size	crc	sha1	region	offset	status	optional	merge	bios
v400.u33	2048	0d1bcaa8	a6ac83f8584d19f7a08e666cb5d4b62620d7d3c0	u46	0	good	no	v400.u33	v400
v400.u34	2048	f1df9e29	79f38880c3aed9ddf2ccba4ddb11128586dc9c25	u46	800	good	no	v400.u34	v400
v400.u35	2048	68357ed7	78498542f4d8506edf5f2b3b9ed0fde3fd72f85b	u46	1000	good	no	v400.u35	v400
v401.u33	2048	fe9fa596	194162b3d063b2d1bcad03d0bee51dabce2d1985	u46	0	good	no	v401.u33	v401
v401.u34	2048	d3137de3	d1de4e11f29799b2024af0412415a07984e58f3a	u46	800	good	no	v401.u34	v401
v401.u35	2048	bf3096fb	136f6b1cf2cd93f0b908688394675ef69883f47b	u46	1000	good	no	v401.u35	v401
u33.4.02.rom	2048	d9eb668e	6acbef96e4e6526c58e068b7849fb9cce2ea2a10	u46	0	good	no	u33.4.02.rom	v402
u34.4.02.rom	2048	62181209	2238aec096d19af9307bb294532f66f53dd7dfc3	u46	800	good	no	u34.4.02.rom	v402
u35.4.02.rom	2048	e22fbf6d	6c162f79d42611176b0f1c0e8a4eeb07492beca1	u46	1000	good	no	u35.4.02.rom	v402
u36.rx11.4.02.rom	2048	b6a239ce	330d28fa8ec006d48d948b1c5e714ffced88fe90	u46	1800	good	no	u36.rx11.4.02.rom	v402
v403.u33	2048			u46	0	nodump	no		v403
v403.u34	2048			u46	800	nodump	no		v403
v403.u35	2048			u46	1000	nodump	no		v403
v403.u36	2048			u46	1800	nodump	no		v403
537p3652.u33	2048	7807cfbb	bd3cc5cc5c59c84a50747aae5c17eb4617b0dbc3	u46	0	good	no	537p3652.u33	v404
537p3653.u34	2048	a9c6c0c3	c2da9d1bf0da96e6b8bfa722783e411d2fe6deb9	u46	800	good	no	537p3653.u34	v404
537p3654.u35	2048	a8a07223	e8ae1ebf2d7caf76771205f577b88ae493836ac9	u46	1000	good	no	537p3654.u35	v404
v404.u36	2048	97047d38	f36506635653736b8d754d2c04f608180602b5a2	u46	1800	good	no	v404.u36	v404
u33.5.0_537p10828.bin	2048	a17af0f1	b1d9a151ed4558f49b3cdc1adbf348b54da48877	u46	0	good	no	u33.5.0_537p10828.bin	v50
u34.5.0_537p10829.bin	2048	c9f5182e	ac830848614cea984c849a42687ea2944d6765d9	u46	800	good	no	u34.5.0_537p10829.bin	v50
u35.5.0_537p10830.bin	2048	278fa75f	f47cf9eb30366211280f93a8460523fcc53eebe9	u46	1000	good	no	u35.5.0_537p10830.bin	v50
537p10831.u36.5.0.bin	2048	cda7f598	08ffd18959e1708136076c82486b8d121a04fa23	u46	1800	good	no	537p10831.u36.5.0.bin	v50
537p10828.u33.5.0.bin	2048	a17af0f1	b1d9a151ed4558f49b3cdc1adbf348b54da48877	u46	0	good	no	u33.5.0_537p10828.bin	v50v018
537p10829.u34.5.0.bin	2048	c9f5182e	ac830848614cea984c849a42687ea2944d6765d9	u46	800	good	no	u34.5.0_537p10829.bin	v50v018
u35.5.0_537p10830.bin	2048	278fa75f	f47cf9eb30366211280f93a8460523fcc53eebe9	u46	1000	good	no	u35.5.0_537p10830.bin	v50v018
537p10831.u36.5.0.bin	2048	cda7f598	08ffd18959e1708136076c82486b8d121a04fa23	u46	1800	good	no	537p10831.u36.5.0.bin	v50v018
x820ii.u57	2048	1a50f600	df4470c80611c14fa7ea8591f741fbbecdfe4fd9	chargen	0	good	no	x820ii.u57	v400
x820ii.u58	2048	aca4b9b3	77f41470b0151945b8d3c3a935fc66409e9157b3	chargen	800	good	no	x820ii.u58	v400
x820ii.u57	2048	1a50f600	df4470c80611c14fa7ea8591f741fbbecdfe4fd9	chargen	0	good	no	x820ii.u57	v401
x820ii.u58	2048	aca4b9b3	77f41470b0151945b8d3c3a935fc66409e9157b3	chargen	800	good	no	x820ii.u58	v401
u57.04.north.rom	2048	eda727a2	292cd8a0dc6699c3a2091b20c0fc63d97a266fbf	chargen	0	good	no	u57.04.north.rom	v402
u58.03.north.rom	2048	a2e514f3	8ac22dd0cf0324a857718adf67b41912864893a3	chargen	800	good	no	u58.03.north.rom	v402
x820ii.u57	2048	1a50f600	df4470c80611c14fa7ea8591f741fbbecdfe4fd9	chargen	0	good	no	x820ii.u57	v403
x820ii.u58	2048	aca4b9b3	77f41470b0151945b8d3c3a935fc66409e9157b3	chargen	800	good	no	x820ii.u58	v403
x820ii.u57	2048	1a50f600	df4470c80611c14fa7ea8591f741fbbecdfe4fd9	chargen	0	good	no	x820ii.u57	v404
x820ii.u58	2048	aca4b9b3	77f41470b0151945b8d3c3a935fc66409e9157b3	chargen	800	good	no	x820ii.u58	v404
x820ii.u57	2048	1a50f600	df4470c80611c14fa7ea8591f741fbbecdfe4fd9	chargen	0	good	no	x820ii.u57	v50
x820ii.u58	2048	aca4b9b3	77f41470b0151945b8d3c3a935fc66409e9157b3	chargen	800	good	no	x820ii.u58	v50
x820ii.u57	2048	1a50f600	df4470c80611c14fa7ea8591f741fbbecdfe4fd9	chargen	0	good	no	x820ii.u57	v50v018
x820ii.u58	2048	aca4b9b3	77f41470b0151945b8d3c3a935fc66409e9157b3	chargen	800	good	no	x820ii.u58	v50v018

chip

type	tag	name	clock
cpu	u46	Zilog Z80	4000000
audio	mono	Speaker
audio	speaker	Filtered DAC
audio	dbslot:fdc:fd1797:0:sa850:flopsndout	Speaker
audio	dbslot:fdc:fd1797:0:sa850:flopsnd	Floppy sound	44100
audio	dbslot:fdc:fd1797:1:sa850:flopsndout	Speaker
audio	dbslot:fdc:fd1797:1:sa850:flopsnd	Floppy sound	44100

softwarelist

tag	name	status	filter
flop_list	xerox820ii	original

device_ref

tag	name
:u46	z80
:screen	screen
:gfxdecode	gfxdecode
:palette	palette
:mono	speaker
:speaker	speaker_sound_device
:u105	z80pio
:u101	z80pio
:u99	z80ctc
:u99:ch0	z80ctc_channel
:u99:ch1	z80ctc_channel
:u99:ch2	z80ctc_channel
:u99:ch3	z80ctc_channel
:dbslot	xerox820_dbslot
:dbslot:fdc	xerox820_fdc
:dbslot:fdc:fd1797	fd1797
:dbslot:fdc:fd1797:0	floppy_connector
:dbslot:fdc:fd1797:0:sa850	floppy_8_dsdd
:dbslot:fdc:fd1797:0:sa850:flopsndout	speaker
:dbslot:fdc:fd1797:0:sa850:flopsnd	flopsnd
:dbslot:fdc:fd1797:1	floppy_connector
:dbslot:fdc:fd1797:1:sa850	floppy_8_dsdd
:dbslot:fdc:fd1797:1:sa850:flopsndout	speaker
:dbslot:fdc:fd1797:1:sa850:flopsnd	flopsnd
:copro	xerox820_copro_slot
:u96	z80sio
:u96:cha	z80sio_channel
:u96:chb	z80sio_channel
:rs232a	rs232
:rs232b	rs232
:u76	com8116
:flop_list	software_list
:quickload	quickload
:kb	xerox_lpk

biosset

name	description	default
v400	Balcones Operating System v4.00	no
v401	Balcones Operating System v4.01	no
v402	Balcones Operating System v4.02	no
v403	Balcones Operating System v4.03	no
v404	Balcones Operating System v4.04	no
v50	Balcones Operating System v5.0	yes
v50v018	Balcones Operating System v5.0 v018	no

sound

channels
3

device, instance

type	tag	interface	name	briefname
floppydisk	dbslot:fdc:fd1797:0:sa850	floppy_8	floppydisk1	flop1
floppydisk	dbslot:fdc:fd1797:1:sa850	floppy_8	floppydisk2	flop2
quickload	quickload		quickload	quik

device, extension

type	tag	interface	extension_names
floppydisk	dbslot:fdc:fd1797:0:sa850	floppy_8	mfi, dfi, mfm, td0, imd, 86f, d77, d88, 1dd, cqm, cqi, dsk
floppydisk	dbslot:fdc:fd1797:1:sa850	floppy_8	mfi, dfi, mfm, td0, imd, 86f, d77, d88, 1dd, cqm, cqi, dsk
quickload	quickload		com, cpm

input

players	coins	service	tilt
1		no	no

control

type	player	buttons	ways	reverse	minimum	maximum	sensitivity	keydelta	ways2	ways3
keyboard		94		no

port, analog

port_tag	analog_masks
:kb:ROW0
:kb:ROW1
:kb:ROW10
:kb:ROW11
:kb:ROW12
:kb:ROW13
:kb:ROW2
:kb:ROW3
:kb:ROW4
:kb:ROW5
:kb:ROW6
:kb:ROW7
:kb:ROW8
:kb:ROW9

slot, slotoption

slot_name	slotoption_name	slotoption_devname	slotoption_default
dbslot	sasi	xerox820_sasi	no
dbslot	fdcbox5	xerox820_fdc_box5	no
dbslot	fdc5	xerox820_fdc5	no
dbslot	fdc	xerox820_fdc	yes
dbslot:fdc:fd1797:0	sa850	floppy_8_dsdd	yes
dbslot:fdc:fd1797:0	sa800	floppy_8_ssdd	no
dbslot:fdc:fd1797:0	sa450	floppy_525_dd	no
dbslot:fdc:fd1797:0	sa400l	floppy_525_sssd	no
dbslot:fdc:fd1797:0	sa400	floppy_525_sssd_35t	no
dbslot:fdc:fd1797:1	sa850	floppy_8_dsdd	yes
dbslot:fdc:fd1797:1	sa800	floppy_8_ssdd	no
dbslot:fdc:fd1797:1	sa450	floppy_525_dd	no
dbslot:fdc:fd1797:1	sa400l	floppy_525_sssd	no
dbslot:fdc:fd1797:1	sa400	floppy_525_sssd_35t	no
copro	emii_flpy5	xerox820_emii_flpy5	no
copro	emii_rgd5	xerox820_emii_rgd5	no
copro	16_8	xerox820_16_8	no
rs232a	terminal	serial_terminal	no
rs232a	swtpc8212	swtpc8212_terminal	no
rs232a	sunkbd	sunkbd_adaptor	no
rs232a	rs_printer	rs_serial_printer	no
rs232a	rs232_sync_io	rs232_sync_io	no
rs232a	printer	serial_printer	no
rs232a	patch	rs232_patch_box	no
rs232a	s97801	s97801_terminal	no
rs232a	msystems_mouse	rs232_mouse_hle_msystems	no
rs232a	scorpion	scorpion_ic	no
rs232a	nss_tvi	nss_tvinterface	no
rs232a	mockingboard	mockingboardd	no
rs232a	loopback	rs232_loopback	no
rs232a	keyboard	serial_keyboard	no
rs232a	ie15	ie15_terminal	no
rs232a	null_modem	null_modem	no
rs232a	votraxtnt	serial_votraxtnt	no
rs232a	h19	serial_heath_h19	no
rs232a	dec_loopback	dec_rs232_loopback	no
rs232a	pty	pseudo_terminal	no
rs232a	auto3a	auto3a_terminal	no
rs232b	terminal	serial_terminal	no
rs232b	swtpc8212	swtpc8212_terminal	no
rs232b	sunkbd	sunkbd_adaptor	no
rs232b	rs_printer	rs_serial_printer	no
rs232b	rs232_sync_io	rs232_sync_io	no
rs232b	printer	serial_printer	no
rs232b	patch	rs232_patch_box	no
rs232b	s97801	s97801_terminal	no
rs232b	msystems_mouse	rs232_mouse_hle_msystems	no
rs232b	scorpion	scorpion_ic	no
rs232b	nss_tvi	nss_tvinterface	no
rs232b	mockingboard	mockingboardd	no
rs232b	loopback	rs232_loopback	no
rs232b	keyboard	serial_keyboard	no
rs232b	ie15	ie15_terminal	no
rs232b	null_modem	null_modem	no
rs232b	votraxtnt	serial_votraxtnt	no
rs232b	h19	serial_heath_h19	no
rs232b	dec_loopback	dec_rs232_loopback	no
rs232b	pty	pseudo_terminal	no
rs232b	auto3a	auto3a_terminal	no

Xerox 820-II (low profile keyboard) - mame (0289) machine

machine

snap

display

driver

rom

chip

softwarelist

device_ref

biosset

sound

device, instance

device, extension

input

control

port, analog

slot, slotoption