BitGraph rev B - 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
bitgrphb	skeleton/bitgraph.cpp		no	no	no	yes	BitGraph rev B	1982	BBN

display

tag	type	rotate	width	height	refresh	pixclock	htotal	hbend	hbstart	vtotal	vbend	vbstart	flipx
screen	raster	270	1024	768	40.000000								no

driver

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

rom

name	size	crc	sha1	region	offset	status	optional	bios
bg2.32lo_u10.bin	8192	6a702a96	acdf1ba34038b4ccafb5b8069e70ae57a3b8a7e0	maincpu	4001	good	no	2.33a
bg2.32hi_u12.bin	8192	a282a2c8	ea7e4d4e197201c8944acef54479d5c2b26d409f	maincpu	4000	good	no	2.33a
bg2.32lo_u11.bin	8192	46912afd	c1f771adc1ef62b1fb1b904ed1d2a61009e24f55	maincpu	1	good	no	2.33a
bg2.32hi_u13.bin	8192	731df44f	8c238b5943b8864e539f92891a0ffa6ddd4fc779	maincpu	0	good	no	2.33a
bg5173_u10.bin	8192	40014850	ef0b7da58a5183391a3a03947882197f25694518	maincpu	4001	good	no	3.0p
bg5175_u12.bin	8192	c2c4cc6c	dbbce7cb58b4cef1557a834cbb07b3ace298cb8b	maincpu	4000	good	no	3.0p
bg5174_u11.bin	8192	639768b9	68f623bcf3bb75390ba2b17efc067cf25f915ec0	maincpu	1	good	no	3.0p
bg5176_u13.bin	8192	984e7e8c	dd13cbaff96a8b9936ae8cb07205c6abe8b27b6e	maincpu	0	good	no	3.0p
ramtest.rom	16384	fabe3b34	4d892a2ed2b7ea12d83843609981be9069611d43	maincpu	0	good	no	ramtest
bg_mouse_u9.bin	2048	fd827ff5	6d4a8e9b18c7610c5cfde40464826d144d387601	ppu	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
ram

biosset

name	description	default
2.33a	rev 2.33 Alpha' ROM	yes
3.0p	rev 3.0P ROM	no
ramtest	RAM test	no

sound

channels
2

feature

type	status	overall
sound		imperfect

ramoption

name	default
512K	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

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