Dragon Professional (Alpha) - mame (0287) machine

machine

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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

snap

Key	Length	LastWriteTime	Width	Height	HorizontalResolution	VerticalResolution	PaletteLength	PixelFormat	PropertyItems	PixelSHA1
dgnalpha	6475	29/12/2025 11:31:19	640	480	96	96	0	Format24bppRgb	305:MAME 0.189 (Aug 30 2017)	5b0af0b090e3815bb22511502f68003892087d97

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

tag	name
:maincpu	mc6809e
:irqs	ipt_merge_any_hi
:firqs	ipt_merge_any_hi
:pia0	pia6821
:pia1	pia6821
:sam	sam6883
:cassette	cassette_image
:printer	printer_image
:screen	screen
:vdg	mc6847
:speaker	speaker
:dac	dac_6bit_bw
:sbs	dac
:floating	address_map_bank
:dragon_cart_list	software_list
:dragon_cass_list	software_list
:dragon_flop_list	software_list
:coco_cart_list	software_list
:ram	ram
:nmis	ipt_merge_any_hi
:ext	cococart_slot
:acia	mos6551
:acia:clock	clock
:wd2797	wd2797
:wd2797:0	floppy_connector
:wd2797:0:dd	floppy_35_dd
:wd2797:0:dd:flopsndout	speaker
:wd2797:0:dd:floppysound	flopsnd
:wd2797:1	floppy_connector
:wd2797:1:dd	floppy_35_dd
:wd2797:1:dd:flopsndout	speaker
:wd2797:1:dd:floppysound	flopsnd
:wd2797:2	floppy_connector
:wd2797:3	floppy_connector
:ay8912	ay8912
:pia2	pia6821
:dgnalpha_flop_list	software_list
:dragon_flex_list	software_list
:dragon_os9_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, aif, aiff, 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	xsid	coco_xsid	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