BitGraph rev A - mame (0280) machine

MAME: 0280 - Released: 2025-08-29T22:26:57 - Lists: 731 - Software: 139884 - rom: 235974 - disk: 11384

machine

• XML • JSON • AO

name	sourcefile	sampleof	isbios	isdevice	ismechanical	runnable	description	year	manufacturer	cloneof	romof
bitgrpha	skeleton/bitgraph.cpp		no	no	no	yes	BitGraph rev A	1981	BBN

display

tag	type	rotate	width	height	refresh	pixclock	htotal	hbend	hbstart	vtotal	vbend	vbstart	flipx
screen	raster	90	1024	768	40.000000								no

driver

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

rom

name	size	crc	sha1	region	offset	status	optional	merge	bios
bg125.rom	32768	b86c974e	5367db80a856444c2a55de22b69a13f97a62f602	maincpu	0	good	no

chip

type	tag	name	clock
cpu	maincpu	Motorola MC68000	6900000
cpu	keyboard:l2207:mcu	Intel 8035	3579545
audio	keyboard:l2207:mono	Speaker
audio	keyboard:l2207:beeper	Filtered DAC
audio	mono	Speaker
audio	psg	AY-3-8912A PSG	1294400

device_ref

name
m68000
screen
palette
acia6850
rs232
null_modem
bitbanger
acia6850
keytronic_connector
keytronic_l2207
i8035
speaker
speaker_sound_device
acia6850
rs232
com8116
com8116
pia6821
er2055
speaker
ay8912
clock
acia6850
rs232
ram

sound

channels
2

feature

type	status	overall
sound		imperfect

ramoption

name	default
128K	yes

device, instance

type	tag	interface	fixed_image	mandatory	name	briefname
bitbanger	rs232host:null_modem:stream				bitbanger	bitb

device, extension

type	tag	interface	fixed_image	mandatory	extension_names
bitbanger	rs232host:null_modem:stream

input

players	coins	service	tilt
1		no	no

control

type	player	buttons	ways	reverse	minimum	maximum	sensitivity	keydelta	ways2	ways3	reqbuttons
keyboard		83		no

port, analog

port_tag	analog_masks
:keyboard:l2207:KEYS0
:keyboard:l2207:KEYS1
:keyboard:l2207:KEYS10
:keyboard:l2207:KEYS11
:keyboard:l2207:KEYS2
:keyboard:l2207:KEYS3
:keyboard:l2207:KEYS4
:keyboard:l2207:KEYS5
:keyboard:l2207:KEYS6
:keyboard:l2207:KEYS7
:keyboard:l2207:KEYS8
:keyboard:l2207:KEYS9
:rs232host:null_modem:FLOW_CONTROL
:rs232host:null_modem:RS232_DATABITS
:rs232host:null_modem:RS232_PARITY
:rs232host:null_modem:RS232_RXBAUD
:rs232host:null_modem:RS232_STOPBITS
:rs232host:null_modem:RS232_TXBAUD

slot, slotoption

slot_name	slotoption_name	slotoption_devname	slotoption_default
rs232host	terminal	serial_terminal	no
rs232host	sunkbd	sunkbd_adaptor	no
rs232host	dec_loopback	dec_rs232_loopback	no
rs232host	ie15	ie15_terminal	no
rs232host	null_modem	null_modem	yes
rs232host	keyboard	serial_keyboard	no
rs232host	patch	rs232_patch_box	no
rs232host	swtpc8212	swtpc8212_terminal	no
rs232host	printer	serial_printer	no
rs232host	scorpion	scorpion_ic	no
rs232host	loopback	rs232_loopback	no
rs232host	mockingboard	mockingboardd	no
rs232host	msystems_mouse	rs232_mouse_hle_msystems	no
rs232host	nss_tvi	nss_tvinterface	no
rs232host	rs232_sync_io	rs232_sync_io	no
rs232host	pty	pseudo_terminal	no
rs232host	votraxtnt	serial_votraxtnt	no
rs232host	rs_printer	rs_serial_printer	no
keyboard	l2207	keytronic_l2207	yes
rs232debug	terminal	serial_terminal	no
rs232debug	sunkbd	sunkbd_adaptor	no
rs232debug	dec_loopback	dec_rs232_loopback	no
rs232debug	ie15	ie15_terminal	no
rs232debug	null_modem	null_modem	no
rs232debug	keyboard	serial_keyboard	no
rs232debug	patch	rs232_patch_box	no
rs232debug	swtpc8212	swtpc8212_terminal	no
rs232debug	printer	serial_printer	no
rs232debug	scorpion	scorpion_ic	no
rs232debug	loopback	rs232_loopback	no
rs232debug	mockingboard	mockingboardd	no
rs232debug	msystems_mouse	rs232_mouse_hle_msystems	no
rs232debug	nss_tvi	nss_tvinterface	no
rs232debug	rs232_sync_io	rs232_sync_io	no
rs232debug	pty	pseudo_terminal	no
rs232debug	votraxtnt	serial_votraxtnt	no
rs232debug	rs_printer	rs_serial_printer	no
rs232mouse	terminal	serial_terminal	no
rs232mouse	sunkbd	sunkbd_adaptor	no
rs232mouse	dec_loopback	dec_rs232_loopback	no
rs232mouse	ie15	ie15_terminal	no
rs232mouse	null_modem	null_modem	no
rs232mouse	keyboard	serial_keyboard	no
rs232mouse	patch	rs232_patch_box	no
rs232mouse	swtpc8212	swtpc8212_terminal	no
rs232mouse	printer	serial_printer	no
rs232mouse	scorpion	scorpion_ic	no
rs232mouse	loopback	rs232_loopback	no
rs232mouse	mockingboard	mockingboardd	no
rs232mouse	msystems_mouse	rs232_mouse_hle_msystems	no
rs232mouse	nss_tvi	nss_tvinterface	no
rs232mouse	rs232_sync_io	rs232_sync_io	no
rs232mouse	pty	pseudo_terminal	no
rs232mouse	votraxtnt	serial_votraxtnt	no
rs232mouse	rs_printer	rs_serial_printer	no

configuration

Flow Control

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Flow Control	rs232host:null_modem:FLOW_CONTROL	7

setting

name	value	default
Off	0	yes
RTS	1	no
DTR	2	no
XON/XOFF	4	no

Data Bits

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Data Bits	rs232host:null_modem:RS232_DATABITS	255

setting

name	value	default
5	0	no
6	1	no
7	2	no
8	3	yes

Parity

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Parity	rs232host:null_modem:RS232_PARITY	255

setting

name	value	default
None	0	yes
Odd	1	no
Even	2	no
Mark	3	no
Space	4	no

RX Baud

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
RX Baud	rs232host:null_modem:RS232_RXBAUD	255

setting

name	value	default
50	14	no
75	15	no
110	0	no
134.5	16	no
150	1	no
200	17	no
300	2	no
600	3	no
1200	4	no
1800	18	no
2000	19	no
2400	5	no
3600	20	no
4800	6	no
7200	21	no
9600	7	yes
14400	8	no
19200	9	no
28800	10	no
38400	11	no
57600	12	no
111900	22	no
115200	13	no

Stop Bits

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Stop Bits	rs232host:null_modem:RS232_STOPBITS	255

setting

name	value	default
0	0	no
1	1	yes
1.5	2	no
2	3	no

TX Baud

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
TX Baud	rs232host:null_modem:RS232_TXBAUD	255

setting

name	value	default
50	14	no
75	15	no
110	0	no
134.5	16	no
150	1	no
200	17	no
300	2	no
600	3	no
1200	4	no
1800	18	no
2000	19	no
2400	5	no
3600	20	no
4800	6	no
7200	21	no
9600	7	yes
14400	8	no
19200	9	no
28800	10	no
38400	11	no
57600	12	no
111900	22	no
115200	13	no