Nascom 2 (CP/M) - mame (0281) machine

MAME: 0281 - Released: 2025-09-24T18:40:45 - Machines: 49006 - rom: 365545 - disk: 1378

machine

• XML • JSON • AO

name	sourcefile	sampleof	isbios	isdevice	ismechanical	runnable	description	year	manufacturer	cloneof	romof
nascom2c	nascom/nascom1.cpp		no	no	no	yes	Nascom 2 (CP/M)	1980	Nascom Microcomputers	nascom2	nascom2

display

tag	type	rotate	width	height	refresh	pixclock	htotal	hbend	hbstart	vtotal	vbend	vbstart	flipx
screen	raster	0	384	224	50.000000								no

driver

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

rom

name	size	crc	sha1	region	offset	status	optional	merge	bios
cpmbt21.ic34	2048	44b67ffc	60c8335f24798f8de7ad48a4cd03e56a60d87b63	maincpu	0	good	no		cpm21
cpmbt32.ic34	2048	724f03ba	d0958c231e5b121b6c4c97d03c76c207acf90f5a	maincpu	0	good	no		cpm32
nascom1.ic66	2048	33e92a04	be6e1cc80e7f95a032759f7df19a43c27ff93a52	gfx1	0	good	no	nascom1.ic66
nasgra.ic54	2048	2bc09d32	d384297e9b02cbcb283c020da51b3032ff62b1ae	gfx1	800	good	no	nasgra.ic54

chip

type	tag	name	clock
cpu	maincpu	Zilog Z80	4000000
audio	cassette	Cassette
audio	mono	Speaker
audio	nasbus1:floppy:fd1793:0:55f:flopsndout	Speaker
audio	nasbus1:floppy:fd1793:0:55f:floppysound	Floppy sound	44100
audio	nasbus1:floppy:fd1793:1:55f:flopsndout	Speaker
audio	nasbus1:floppy:fd1793:1:55f:floppysound	Floppy sound	44100

softwarelist

tag	name	status	filter
snap_list	nascom_snap	original	NASCOM2
socket_list	nascom_socket	original
floppy_list	nascom_flop	original

device_ref

name
screen
gfxdecode
palette
z80pio
ram
ay31015
cassette_image
speaker
snapshot_image
snapshot_image
z80
generic_socket
generic_socket
nasbus
nasbus_slot
nascom_fdc
fd1793
floppy_connector
teac_fd_55f
speaker
flopsnd
floppy_connector
teac_fd_55f
speaker
flopsnd
floppy_connector
floppy_connector
nasbus_slot
nasbus_slot
nasbus_slot
software_list
software_list
software_list
clock
timer

biosset

name	description	default
cpm21	CP/M boot v2.1	no
cpm32	CP/M boot v3.2	yes

sound

channels
3

ramoption

name	default
8K
16K
32K
60K	yes

device, instance

type	tag	interface	fixed_image	mandatory	name	briefname
cassette	cassette	nascom_cass			cassette	cass
snapshot	snapshot	nascom_snap			snapshot1	dump1
snapshot	snapchar	nascom_char			snapshot2	dump2
romimage	socket1	nascom_socket			romimage1	rom1
romimage	socket2	nascom_socket			romimage2	rom2
floppydisk	nasbus1:floppy:fd1793:0:55f	floppy_5_25			floppydisk1	flop1
floppydisk	nasbus1:floppy:fd1793:1:55f	floppy_5_25			floppydisk2	flop2

device, extension

type	tag	interface	fixed_image	mandatory	extension_names
cassette	cassette	nascom_cass			wav, flac
snapshot	snapshot	nascom_snap			nas
snapshot	snapchar	nascom_char			chr
romimage	socket1	nascom_socket			bin, rom
romimage	socket2	nascom_socket			bin, rom
floppydisk	nasbus1:floppy:fd1793:0:55f	floppy_5_25			mfi, dfi, mfm, td0, imd, 86f, d77, d88, 1dd, cqm, cqi, dsk
floppydisk	nasbus1:floppy:fd1793:1:55f	floppy_5_25			mfi, dfi, mfm, td0, imd, 86f, d77, d88, 1dd, cqm, cqi, dsk

input

players	coins	service	tilt
1		no	no

control

type	player	buttons	ways	reverse	minimum	maximum	sensitivity	keydelta	ways2	ways3	reqbuttons
keyboard		54		no

port, analog

port_tag	analog_masks
:DSW0
:KEY.0
:KEY.1
:KEY.2
:KEY.3
:KEY.4
:KEY.5
:KEY.6
:KEY.7
:lsw1

slot, slotoption

slot_name	slotoption_name	slotoption_devname	slotoption_default
socket1
socket2
nasbus1	floppy	nascom_fdc	yes
nasbus1	avc	nascom_avc	no
nasbus1:floppy:fd1793:0	55f	teac_fd_55f	yes
nasbus1:floppy:fd1793:0	55e	teac_fd_55e	no
nasbus1:floppy:fd1793:1	55f	teac_fd_55f	yes
nasbus1:floppy:fd1793:1	55e	teac_fd_55e	no
nasbus1:floppy:fd1793:2	55f	teac_fd_55f	no
nasbus1:floppy:fd1793:2	55e	teac_fd_55e	no
nasbus1:floppy:fd1793:3	55f	teac_fd_55f	no
nasbus1:floppy:fd1793:3	55e	teac_fd_55e	no
nasbus2	floppy	nascom_fdc	no
nasbus2	avc	nascom_avc	no
nasbus3	floppy	nascom_fdc	no
nasbus3	avc	nascom_avc	no
nasbus4	floppy	nascom_fdc	no
nasbus4	avc	nascom_avc	no

dipswitch

Cassette Baud Rate

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Cassette Baud Rate	DSW0	1

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
300	0	yes
1200	1	no

Restart address

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Restart address	lsw1	15

location

name	number	inverted
LSW1	1	no
LSW1	2	no
LSW1	3	no
LSW1	4	no

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
0000H	0	no
1000H	1	no
2000H	2	no
3000H	3	no
4000H	4	no
5000H	5	no
6000H	6	no
7000H	7	no
8000H	8	no
9000H	9	no
A000H	10	no
B000H	11	no
C000H	12	no
D000H	13	no
E000H	14	no
F000H	15	yes