VT52 Video Display Terminal (M4) - mame (0280) machine

MAME: 0280 - Released: 2025-08-29T22:26:57 - Machines: 48893 - rom: 364836 - disk: 1378

machine

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name	sourcefile	sampleof	isbios	isdevice	ismechanical	runnable	description	year	manufacturer	cloneof	romof
vt52	dec/vt52.cpp		no	no	no	yes	VT52 Video Display Terminal (M4)	1975	Digital Equipment Corporation

display

tag	type	rotate	width	height	refresh	pixclock	htotal	hbend	hbstart	vtotal	vbend	vbstart	flipx
screen	raster	0	720	240	60.000000	13824000	900	128	848	256	4	244	no

driver

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

rom

name	size	crc	sha1	region	offset	status	optional	merge	bios
23-124a9.e29	512	3f5f3b92	244c3100f277da3fce5513a92529a2c3e26a80b4	program	0	good	no
23-125a9.e26	512	b2a670c9	fa8dd031dcafe4facff41e79603bdb388a6df928	program	0	good	no
23-126a9.e37	512	4883a600	c5d9b0c21493065c75b4a7d52d5bd47f9851dfe7	program	200	good	no
23-127a9.e21	512	56c1c0d6	ab0eb6e7bbafcc3d28481b62de3d3490f01c0174	program	200	good	no
23-002b4.e1	1024	b486500c	029f07424d6c23ee083db42d9f9c252ac728ccd0	chargen	0	good	no

chip

type	tag	name	clock
cpu	maincpu	DEC VT52 CPU	13824000
audio	mono	Speaker
audio	bell	Filtered DAC

device_ref

name
vt52_cpu
ay51013
screen
speaker
speaker_sound_device
rs232

sound

channels
1

feature

type	status	overall
sound	imperfect
printer	unemulated

input

players	coins	service	tilt
1		no	no

control

type	player	buttons	ways	reverse	minimum	maximum	sensitivity	keydelta	ways2	ways3	reqbuttons
keyboard		80		no

port, analog

port_tag	analog_masks
:60HJ
:BAUD
:BREAK
:DATABITS
:KEY0
:KEY1
:KEY2
:KEY3
:KEY4
:KEY5
:KEY6
:KEY7
:KEYCLICK

slot, slotoption

slot_name	slotoption_name	slotoption_devname	slotoption_default
eia	terminal	serial_terminal	no
eia	sunkbd	sunkbd_adaptor	no
eia	dec_loopback	dec_rs232_loopback	no
eia	ie15	ie15_terminal	no
eia	null_modem	null_modem	no
eia	keyboard	serial_keyboard	no
eia	patch	rs232_patch_box	no
eia	swtpc8212	swtpc8212_terminal	no
eia	printer	serial_printer	no
eia	scorpion	scorpion_ic	no
eia	loopback	rs232_loopback	no
eia	mockingboard	mockingboardd	no
eia	msystems_mouse	rs232_mouse_hle_msystems	no
eia	nss_tvi	nss_tvinterface	no
eia	rs232_sync_io	rs232_sync_io	no
eia	pty	pseudo_terminal	no
eia	votraxtnt	serial_votraxtnt	no
eia	rs_printer	rs_serial_printer	no

dipswitch

Unit Frequency

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unit Frequency	60HJ	1

location

name	number	inverted
W7	1	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
50 Hz	0	no
60 Hz	1	yes

Receiving Speed

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Receiving Speed	BAUD	15374

location

name	number	inverted
S2	6	no
S2	5	no
S2	4	no
S2	2	no
S2	1	no
S2	3	no
S2	7	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
Match (Bell 103) (RCLK = XCLK)	11278	no
Match (Bell 103), Local Copy (RCLK = XCLK)	13326	no
110 Baud with 2 Stop Bits	14350	no
600 Baud	15366	no
1200 Baud	15370	no
2400 Baud	15372	no
9600 Baud	7182	yes

Transmitting Speed

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Transmitting Speed	BAUD	1009

location

name	number	inverted
S1	7	no
S1	4	no
S1	5	no
S1	6	no
S1	2	no
S1	3	no
S1	1	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
Off-Line (XCLK = RCLK)	497	yes
Full Duplex (XCLK = RCLK)	753	no
Full Duplex, Local Copy (XCLK = RCLK)	881	no
75 Baud	945	no
150 Baud	977	no
300 Baud	993	no
4800 Baud	1008	no

Data Bits

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Data Bits	DATABITS	1

location

name	number	inverted
S3	1	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
7 (with parity)	0	no
8 (no parity)	1	yes

Parity

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Parity	DATABITS	2

location

name	number	inverted
W6	1	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
Even	2	yes
Odd	0	no

Data Bit 7

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Data Bit 7	DATABITS	4

location

name	number	inverted
W5	1	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
Spacing	0	yes
Marking	4	no

Unused

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unused	KEYCLICK	1

location

name	number	inverted
S4	1	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
Off	0	no
On	1	yes