Dragon Professional (Alpha) - mame (0278) machine

MAME: 0278 - Released: 2025-06-29T00:16:39 - Machines: 48574 - rom: 362783 - disk: 1374

machine

• XML • JSON • AO

name	sourcefile	sampleof	isbios	isdevice	ismechanical	runnable	description	year	manufacturer	cloneof	romof
dgnalpha	trs/dgnalpha.cpp		no	no	no	yes	Dragon Professional (Alpha)	1984	Dragon Data Ltd	dragon32	dragon32

display

tag	type	rotate	width	height	refresh	pixclock	htotal	hbend	hbstart	vtotal	vbend	vbstart	flipx
screen	raster	0	372	293	49.967668	7109000	456	0	372	312	0	293	no

driver

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

rom

name	size	crc	sha1	region	offset	status	optional	bios
alpha_bt_10.rom	8192	c3dab585	4a5851aa66eb426e9bb0bba196f1e02d48156068	maincpu	2000	good	no	boot10
alpha_bt_04.rom	8192	d6172b56	69ea376dbc7418f69e9e809b448d22a4de012344	maincpu	2000	good	no	boot04
alpha_ba.rom	16384	84f68bf9	1983b4fb398e3dd9668d424c666c5a0b3f1e2b69	maincpu	8000	good	no

chip

type	tag	name	clock
cpu	maincpu	Motorola MC6809E	888625
audio	cassette	Cassette
audio	speaker	Speaker
audio	dac	6-Bit Binary Weighted DAC
audio	sbs	1-Bit DAC
audio	wd2797:0:dd:flopsndout	Speaker
audio	wd2797:0:dd:floppysound	Floppy sound	44100
audio	wd2797:1:dd:flopsndout	Speaker
audio	wd2797:1:dd:floppysound	Floppy sound	44100
audio	ay8912	AY-3-8912A PSG	1000000

softwarelist

tag	name	status
dragon_cart_list	dragon_cart	original
dragon_cass_list	dragon_cass	original
dragon_flop_list	dragon_flop	original
coco_cart_list	coco_cart	compatible
dgnalpha_flop_list	dgnalpha_flop	original
dragon_flex_list	dragon_flex	original
dragon_os9_list	dragon_os9	original

device_ref

name
mc6809e
ipt_merge_any_hi
ipt_merge_any_hi
pia6821
pia6821
sam6883
cassette_image
printer_image
screen
mc6847_pal
speaker
dac_6bit_bw
dac
address_map_bank
software_list
software_list
software_list
software_list
ram
ipt_merge_any_hi
cococart_slot
mos6551
clock
wd2797
floppy_connector
floppy_35_dd
speaker
flopsnd
floppy_connector
floppy_35_dd
speaker
flopsnd
floppy_connector
floppy_connector
ay8912
pia6821
software_list
software_list
software_list

biosset

name	description	default
boot10	Boot v1.0	yes
boot04	Boot v0.4	no

sound

channels
3

ramoption

name	default
64K	yes

device, instance

type	tag	interface	name	briefname
cassette	cassette	dragon_cass	cassette	cass
printout	printer		printout	prin
cartridge	ext	coco_cart	cartridge	cart
floppydisk	wd2797:0:dd	floppy_3_5	floppydisk1	flop1
floppydisk	wd2797:1:dd	floppy_3_5	floppydisk2	flop2

device, extension

type	tag	interface	extension_names
cassette	cassette	dragon_cass	wav, flac, cas
printout	printer		prn
cartridge	ext	coco_cart	ccc, rom
floppydisk	wd2797:0:dd	floppy_3_5	mfi, dfi, mfm, td0, imd, 86f, d77, d88, 1dd, cqm, cqi, dsk, vdk, dmk, sdf
floppydisk	wd2797:1:dd	floppy_3_5	mfi, dfi, mfm, td0, imd, 86f, d77, d88, 1dd, cqm, cqi, dsk, vdk, dmk, sdf

input

players	coins	service	tilt
2		no	no

control

type	player	buttons	reverse	minimum	maximum	sensitivity	keydelta
stick	1	1	no	0	1023	100	10
keyboard	1	52	no
stick	2	1	no	0	1023	100	10

port, analog

port_tag	analog_masks
:ctrl_sel
:hires_intf
:joystick_buttons
:joystick_lx	1023
:joystick_ly	1023
:joystick_rx	1023
:joystick_ry	1023
:row0
:row1
:row2
:row3
:row4
:row5
:row6
:vdg:artifacting

slot, slotoption

slot_name	slotoption_name	slotoption_devname	slotoption_default
ext	premier_fdc	premier_fdc	no
ext	sym12	coco_symphony_twelve	no
ext	dragon_fdc	dragon_fdc	no
ext	ssfm	dragon_msx2	no
ext	ccpsg	coco_psg	no
ext	jcbsnd	dragon_jcbsnd	no
ext	orch90	coco_orch90	no
ext	serial	dragon_serial	no
ext	gmc	cocopakgmc	no
ext	multi	dragon_multipack	no
ext	stecomp	coco_stereo_composer	no
ext	jcbspch	dragon_jcbspch	no
ext	sdtandy_fdc	sdtandy_fdc	no
ext	wpk2p	coco_wpk2p	no
ext	claw	dragon_claw	no
ext	max	cocopakmax	no
ext	midi	dragon_midi	no
ext	pak	cocopak	no
ext	ssc	coco_ssc	no
ext	ram	cocopakram	no
ext	sprites	dragon_sprites	no
wd2797:0	dd	floppy_35_dd	yes
wd2797:1	dd	floppy_35_dd	yes
wd2797:2	dd	floppy_35_dd	no
wd2797:3	dd	floppy_35_dd	no

configuration

Right Controller Port (P1)

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Right Controller Port (P1)	ctrl_sel	15

setting

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
Unconnected	0	no
Joystick	1	yes
The Rat Graphics Mouse	2	no	ctrl_sel	240	ne	32
Diecom Light Gun Adaptor	3	no	ctrl_sel	240	ne	48

Left Controller Port (P2)

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Left Controller Port (P2)	ctrl_sel	240

setting

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
Unconnected	0	no
Joystick	16	yes
The Rat Graphics Mouse	32	no	ctrl_sel	15	ne	2
Diecom Light Gun Adaptor	48	no	ctrl_sel	15	ne	3

Hi-Res Joystick Interfaces

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Hi-Res Joystick Interfaces	hires_intf	7

setting

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
None	0	yes
Hi-Res in Right Port	1	no	ctrl_sel	15	eq	1
Hi-Res CoCoMax 3 Style in Right Port	2	no	ctrl_sel	15	eq	1
Hi-Res in Left Port	3	no	ctrl_sel	240	eq	16
Hi-Res CoCoMax 3 Style in Left Port	4	no	ctrl_sel	240	eq	16

Artifacting

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Artifacting	vdg:artifacting	3

setting

name	value	default
Off	0	no
Standard	1	yes
Reverse	2	no