Positron 9000 - mame (0280) machine

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

machine

• XML • JSON • AO

name	sourcefile	sampleof	isbios	isdevice	ismechanical	runnable	description	year	manufacturer	cloneof	romof
positron	positron/positron.cpp		no	no	no	yes	Positron 9000	1982	Positron Computers Ltd

display

tag	type	rotate	width	height	refresh	pixclock	htotal	hbend	hbstart	vtotal	vbend	vbstart	flipx
screen	raster	0	960	480	50.000268	35468940	1135	0	960	625	0	480	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
os9_5_0007.bin	8192	f6a24c1d	443de539deeec5785872b295dab8d93acd60d19c	maincpu	16000	good	no
os9_4_0007.bin	8192	19f73846	525aa101b34f03a5c312ec5aad7c1b9062fe9284	maincpu	18000	good	no
os9_3_0007.bin	8192	62d47630	3719f4fb8ebc8cc64c37702f34532f76178a94d7	maincpu	1a000	good	no
os9_2_0007.bin	8192	63380de9	53a58f7c60ebbbc294d94c406ec0fc6c5cb0fb7b	maincpu	1c000	good	no
os9_1_0007.bin	8192	63f0fb57	7c50c0cbc7c0dbaf8da186ccb474d263f71416ea	maincpu	1e000	good	no

chip

type	tag	name	clock
cpu	maincpu	Motorola MC6809	4000000
audio	mono	Speaker
audio	cassette	Cassette

device_ref

name
mc6809
address_map_bank
ipt_merge_any_hi
ram
screen
saa5050
palette
ptm6840
acia6850
speaker
cassette_image
acia6850
clock
rs232
acia6850
clock
rs232
acia6850
clock
rs232
acia6850
clock
rs232
tms9914
ieee488
ieee488_slot

sound

channels
1

ramoption

name	default
64K
128K
256K
192K	yes

device, instance

type	tag	interface	fixed_image	mandatory	name	briefname
cassette	cassette				cassette	cass

device, extension

type	tag	interface	fixed_image	mandatory	extension_names
cassette	cassette				wav, flac

input

players	coins	service	tilt
1		no	no

control

type	player	buttons	ways	reverse	minimum	maximum	sensitivity	keydelta	ways2	ways3	reqbuttons
keyboard		93		no

port, analog

port_tag	analog_masks
:COL0
:COL1
:COL10
:COL11
:COL12
:COL13
:COL2
:COL3
:COL4
:COL5
:COL6
:COL7
:COL8
:COL9
:DSW0
:DSW1
:DSW2
:DSW3
:DSW4
:DSW5

slot, slotoption

slot_name	slotoption_name	slotoption_devname	slotoption_default
serial1	terminal	serial_terminal	no
serial1	sunkbd	sunkbd_adaptor	no
serial1	dec_loopback	dec_rs232_loopback	no
serial1	ie15	ie15_terminal	no
serial1	null_modem	null_modem	no
serial1	keyboard	serial_keyboard	no
serial1	patch	rs232_patch_box	no
serial1	swtpc8212	swtpc8212_terminal	no
serial1	printer	serial_printer	no
serial1	scorpion	scorpion_ic	no
serial1	loopback	rs232_loopback	no
serial1	mockingboard	mockingboardd	no
serial1	msystems_mouse	rs232_mouse_hle_msystems	no
serial1	nss_tvi	nss_tvinterface	no
serial1	rs232_sync_io	rs232_sync_io	no
serial1	pty	pseudo_terminal	no
serial1	votraxtnt	serial_votraxtnt	no
serial1	rs_printer	rs_serial_printer	no
serial2	terminal	serial_terminal	no
serial2	sunkbd	sunkbd_adaptor	no
serial2	dec_loopback	dec_rs232_loopback	no
serial2	ie15	ie15_terminal	no
serial2	null_modem	null_modem	no
serial2	keyboard	serial_keyboard	no
serial2	patch	rs232_patch_box	no
serial2	swtpc8212	swtpc8212_terminal	no
serial2	printer	serial_printer	no
serial2	scorpion	scorpion_ic	no
serial2	loopback	rs232_loopback	no
serial2	mockingboard	mockingboardd	no
serial2	msystems_mouse	rs232_mouse_hle_msystems	no
serial2	nss_tvi	nss_tvinterface	no
serial2	rs232_sync_io	rs232_sync_io	no
serial2	pty	pseudo_terminal	no
serial2	votraxtnt	serial_votraxtnt	no
serial2	rs_printer	rs_serial_printer	no
serial3	terminal	serial_terminal	no
serial3	sunkbd	sunkbd_adaptor	no
serial3	dec_loopback	dec_rs232_loopback	no
serial3	ie15	ie15_terminal	no
serial3	null_modem	null_modem	no
serial3	keyboard	serial_keyboard	no
serial3	patch	rs232_patch_box	no
serial3	swtpc8212	swtpc8212_terminal	no
serial3	printer	serial_printer	no
serial3	scorpion	scorpion_ic	no
serial3	loopback	rs232_loopback	no
serial3	mockingboard	mockingboardd	no
serial3	msystems_mouse	rs232_mouse_hle_msystems	no
serial3	nss_tvi	nss_tvinterface	no
serial3	rs232_sync_io	rs232_sync_io	no
serial3	pty	pseudo_terminal	no
serial3	votraxtnt	serial_votraxtnt	no
serial3	rs_printer	rs_serial_printer	no
serial4	terminal	serial_terminal	no
serial4	sunkbd	sunkbd_adaptor	no
serial4	dec_loopback	dec_rs232_loopback	no
serial4	ie15	ie15_terminal	no
serial4	null_modem	null_modem	no
serial4	keyboard	serial_keyboard	no
serial4	patch	rs232_patch_box	no
serial4	swtpc8212	swtpc8212_terminal	no
serial4	printer	serial_printer	no
serial4	scorpion	scorpion_ic	no
serial4	loopback	rs232_loopback	no
serial4	mockingboard	mockingboardd	no
serial4	msystems_mouse	rs232_mouse_hle_msystems	no
serial4	nss_tvi	nss_tvinterface	no
serial4	rs232_sync_io	rs232_sync_io	no
serial4	pty	pseudo_terminal	no
serial4	votraxtnt	serial_votraxtnt	no
serial4	rs_printer	rs_serial_printer	no
ieee_dev	c2040	c2040	no
ieee_dev	d9090	d9090	no
ieee_dev	c4023	c4023	no
ieee_dev	hardbox	hardbox	no
ieee_dev	c3040	c3040	no
ieee_dev	c4040	c4040	no
ieee_dev	c8050	c8050	no
ieee_dev	c8250	c8250	no
ieee_dev	shark	mshark	no
ieee_dev	softbox	pet_softbox	no
ieee_dev	sfd1001	sfd1001	no
ieee_dev	c2031	c2031	no
ieee_dev	c8280	c8280	no
ieee_dev	d9060	d9060	no

dipswitch

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	DSW0	1

location

name	number	inverted
DSW0	1	no

value

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

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	DSW0	2

location

name	number	inverted
DSW0	2	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
On	2	yes
Off	0	no

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	DSW1	1

location

name	number	inverted
DSW1	1	no

value

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

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	DSW1	2

location

name	number	inverted
DSW1	2	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
On	2	no
Off	0	yes

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	DSW1	4

location

name	number	inverted
DSW1	3	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
On	4	no
Off	0	yes

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	DSW1	8

location

name	number	inverted
DSW1	4	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
On	8	no
Off	0	yes

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	DSW1	16

location

name	number	inverted
DSW1	5	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
On	16	no
Off	0	yes

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	DSW1	32

location

name	number	inverted
DSW1	6	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
On	32	no
Off	0	yes

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	DSW1	64

location

name	number	inverted
DSW1	7	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
On	64	no
Off	0	yes

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	DSW1	128

location

name	number	inverted
DSW1	8	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
On	128	no
Off	0	yes

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	DSW2	1

location

name	number	inverted
DSW2	1	no

value

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

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	DSW2	2

location

name	number	inverted
DSW2	2	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
On	2	no
Off	0	yes

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	DSW2	4

location

name	number	inverted
DSW2	3	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
On	4	no
Off	0	yes

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	DSW2	8

location

name	number	inverted
DSW2	4	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
On	8	yes
Off	0	no

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	DSW2	16

location

name	number	inverted
DSW2	5	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
On	16	no
Off	0	yes

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	DSW2	32

location

name	number	inverted
DSW2	6	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
On	32	yes
Off	0	no

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	DSW2	64

location

name	number	inverted
DSW2	7	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
On	64	yes
Off	0	no

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	DSW2	128

location

name	number	inverted
DSW2	8	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
On	128	no
Off	0	yes

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	DSW3	1

location

name	number	inverted
DSW3	1	no

value

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

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	DSW3	2

location

name	number	inverted
DSW3	2	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
On	2	no
Off	0	yes

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	DSW3	4

location

name	number	inverted
DSW3	3	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
On	4	no
Off	0	yes

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	DSW3	8

location

name	number	inverted
DSW3	4	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
On	8	no
Off	0	yes

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	DSW3	16

location

name	number	inverted
DSW3	5	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
On	16	no
Off	0	yes

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	DSW3	32

location

name	number	inverted
DSW3	6	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
On	32	yes
Off	0	no

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	DSW3	64

location

name	number	inverted
DSW3	7	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
On	64	yes
Off	0	no

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	DSW3	128

location

name	number	inverted
DSW3	8	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
On	128	no
Off	0	yes

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	DSW4	1

location

name	number	inverted
DSW4	1	no

value

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

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	DSW4	2

location

name	number	inverted
DSW4	2	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
On	2	no
Off	0	yes

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	DSW4	4

location

name	number	inverted
DSW4	3	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
On	4	no
Off	0	yes

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	DSW4	8

location

name	number	inverted
DSW4	4	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
On	8	yes
Off	0	no

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	DSW4	16

location

name	number	inverted
DSW4	5	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
On	16	no
Off	0	yes

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	DSW4	32

location

name	number	inverted
DSW4	6	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
On	32	yes
Off	0	no

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	DSW4	64

location

name	number	inverted
DSW4	7	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
On	64	yes
Off	0	no

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	DSW4	128

location

name	number	inverted
DSW4	8	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
On	128	no
Off	0	yes

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	DSW5	1

location

name	number	inverted
DSW5	1	no

value

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

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	DSW5	2

location

name	number	inverted
DSW5	2	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
On	2	no
Off	0	yes

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	DSW5	4

location

name	number	inverted
DSW5	3	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
On	4	no
Off	0	yes

Unknown

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Unknown	DSW5	8

location

name	number	inverted
DSW5	4	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
On	8	yes
Off	0	no