MegaPC - 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
megapc	pc/megapc.cpp		no	no	no	yes	MegaPC	1993	Amstrad plc

display

tag	type	rotate	width	height	refresh	pixclock	htotal	hbend	hbstart	vtotal	vbend	vbstart	flipx
board5:wd90c11_lr:screen	raster	0	640	480	60.054866	25175000	800	0	640	524	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	merge	bios
41651-bios lo.u18	65536	1e9bd3b7	14fd39ec12df7fae99ccdb0484ee097d93bf8d95	bios	0	good	no
211253-bios hi.u19	65536	6acb573f	376d483db2bd1c775d46424e1176b24779591525	bios	1	good	no

chip

type	tag	name	clock
cpu	maincpu	Intel I386SX	25000000
cpu	wd7600:dma1	AM9517A	0
cpu	wd7600:dma2	AM9517A	0
cpu	keybc:mcu	Intel 8042AH	12000000
cpu	kbd:pcat:m5	Intel 8048	5364000
audio	board1:fdc_smc:fdc:0:35hd:flopsndout	Speaker
audio	board1:fdc_smc:fdc:0:35hd:floppysound	Floppy sound	44100
audio	board1:fdc_smc:fdc:1:35hd:flopsndout	Speaker
audio	board1:fdc_smc:fdc:1:35hd:floppysound	Floppy sound	44100
audio	board3:ide:headphone	Speaker
audio	mono	Speaker
audio	speaker	Filtered DAC

softwarelist

tag	name	status	filter
disk_list	megapc	original

device_ref

name
i386sx
wd7600
am9517a
am9517a
pic8259
pic8259
pit8254
pit_counter
pit_counter
pit_counter
ds12885
isa16
isa16_slot
isa8_fdc_smc
smc37c78
floppy_connector
floppy_35_hd
speaker
flopsnd
floppy_connector
floppy_35_hd
speaker
flopsnd
isa16_slot
isa_com_at
ns16450
ns16450
rs232
rs232_mouse_hle_logitech
rs232
isa16_slot
isa_ide
idectrl
ata_slot
idehd
harddisk_image
ata_slot
speaker
isa16_slot
isa_lpt
pc_lpt
centronics
centronics_printer
printer_image
input_buffer
input_buffer
input_buffer
output_latch
output_latch
isa16_slot
wd90c11_lr
screen
wd90c11a_vga
isa16_slot
ps2_keybc
i8042ah
pc_kbdc
kb_pcat84
i8048
ram
speaker
speaker_sound_device
palette
software_list

sound

channels
4

feature

type	status	overall
graphics		imperfect

ramoption

name	default
1M
2M
8M
15M
16M
4M	yes

device, instance

type	tag	interface	name	briefname
floppydisk	board1:fdc_smc:fdc:0:35hd	floppy_3_5	floppydisk1	flop1
floppydisk	board1:fdc_smc:fdc:1:35hd	floppy_3_5	floppydisk2	flop2
harddisk	board3:ide:ide:0:hdd:image	ide_hdd,hdd	harddisk	hard
printout	board4:lpt:lpt:centronics:printer:printer		printout	prin

device, extension

type	tag	interface	extension_names
floppydisk	board1:fdc_smc:fdc:0:35hd	floppy_3_5	mfi, dfi, mfm, td0, imd, 86f, d77, d88, 1dd, cqm, cqi, dsk, ima, img, ufi, 360, ipf, xdf
floppydisk	board1:fdc_smc:fdc:1:35hd	floppy_3_5	mfi, dfi, mfm, td0, imd, 86f, d77, d88, 1dd, cqm, cqi, dsk, ima, img, ufi, 360, ipf, xdf
harddisk	board3:ide:ide:0:hdd:image	ide_hdd,hdd	chd, hd, hdv, 2mg, hdi
printout	board4:lpt:lpt:centronics:printer:printer		prn

input

players	coins	service	tilt
1		no	no

control

type	player	buttons	ways	reverse	minimum	maximum	sensitivity	keydelta	ways2	ways3	reqbuttons
mouse		3		no	0	61440	100
keyboard		84		no

port, analog

port_tag	analog_masks
:board2:comat:serport0:logitech_mouse:BTN
:board2:comat:serport0:logitech_mouse:X	4095
:board2:comat:serport0:logitech_mouse:Y	4095
:board3:ide:DSW
:board4:lpt:DSW
:board5:wd90c11_lr:vga:VGA_SENSE
:kbd:pcat:DR00
:kbd:pcat:DR01
:kbd:pcat:DR02
:kbd:pcat:DR03
:kbd:pcat:DR04
:kbd:pcat:DR05
:kbd:pcat:DR06
:kbd:pcat:DR07
:kbd:pcat:DR08
:kbd:pcat:DR09
:kbd:pcat:DR10
:kbd:pcat:DR11
:kbd:pcat:DR12
:kbd:pcat:DR13
:kbd:pcat:DR14
:kbd:pcat:DR15

slot, slotoption

slot_name	slotoption_name	slotoption_devname	slotoption_default
board1:fdc_smc:fdc:0	35dd	floppy_35_dd	no
board1:fdc_smc:fdc:0	525dd	floppy_525_dd	no
board1:fdc_smc:fdc:0	35hd	floppy_35_hd	yes
board1:fdc_smc:fdc:0	525hd	floppy_525_hd	no
board1:fdc_smc:fdc:1	35dd	floppy_35_dd	no
board1:fdc_smc:fdc:1	525dd	floppy_525_dd	no
board1:fdc_smc:fdc:1	35hd	floppy_35_hd	yes
board1:fdc_smc:fdc:1	525hd	floppy_525_hd	no
board2:comat:serport0	null_modem	null_modem	no
board2:comat:serport0	terminal	serial_terminal	no
board2:comat:serport0	msystems_mouse	rs232_mouse_hle_msystems	no
board2:comat:serport0	sun_kbd	sunkbd_adaptor	no
board2:comat:serport0	wheel_mouse	rs232_mouse_hle_wheel	no
board2:comat:serport0	rotatable_mouse	rs232_mouse_hle_rotatable	no
board2:comat:serport0	logitech_mouse	rs232_mouse_hle_logitech	yes
board2:comat:serport0	microsoft_mouse	rs232_mouse_hle_msft	no
board2:comat:serport1	null_modem	null_modem	no
board2:comat:serport1	terminal	serial_terminal	no
board2:comat:serport1	msystems_mouse	rs232_mouse_hle_msystems	no
board2:comat:serport1	sun_kbd	sunkbd_adaptor	no
board2:comat:serport1	wheel_mouse	rs232_mouse_hle_wheel	no
board2:comat:serport1	rotatable_mouse	rs232_mouse_hle_rotatable	no
board2:comat:serport1	logitech_mouse	rs232_mouse_hle_logitech	no
board2:comat:serport1	microsoft_mouse	rs232_mouse_hle_msft	no
board3:ide:ide:0	px320a	px320a	no
board3:ide:ide:0	zip100	zip100_ide	no
board3:ide:ide:0	cr589	cr589	no
board3:ide:ide:0	cp2024	cp2024	no
board3:ide:ide:0	xm3301	xm3301	no
board3:ide:ide:0	cf	atacf	no
board3:ide:ide:0	cdrom	cdrom	no
board3:ide:ide:0	hdd	idehd	yes
board3:ide:ide:1	px320a	px320a	no
board3:ide:ide:1	zip100	zip100_ide	no
board3:ide:ide:1	cr589	cr589	no
board3:ide:ide:1	cp2024	cp2024	no
board3:ide:ide:1	xm3301	xm3301	no
board3:ide:ide:1	cf	atacf	no
board3:ide:ide:1	cdrom	cdrom	no
board3:ide:ide:1	hdd	idehd	no
board4:lpt:lpt:centronics	nlq401	nlq401	no
board4:lpt:lpt:centronics	smartboard	centronics_smartboard	no
board4:lpt:lpt:centronics	chessmec	centronics_chessmec	no
board4:lpt:lpt:centronics	samdac	centronics_samdac	no
board4:lpt:lpt:centronics	covox_stereo	covox_stereo	no
board4:lpt:lpt:centronics	adaptator	adaptator_multitap	no
board4:lpt:lpt:centronics	digiblst	cpcdigiblst	no
board4:lpt:lpt:centronics	lx800	lx800	no
board4:lpt:lpt:centronics	jx80	epson_jx80	no
board4:lpt:lpt:centronics	ap2000	ap2000	no
board4:lpt:lpt:centronics	ex800	ex800	no
board4:lpt:lpt:centronics	fx80	epson_fx80	no
board4:lpt:lpt:centronics	rx80	epson_rx80	no
board4:lpt:lpt:centronics	mz1p16	mz1p16	no
board4:lpt:lpt:centronics	covox	covox	no
board4:lpt:lpt:centronics	pl80	comx_pl80	no
board4:lpt:lpt:centronics	lx810l	lx810l	no
board4:lpt:lpt:centronics	p72	p72	no
board4:lpt:lpt:centronics	printer	centronics_printer	yes
isa1	dc820b	dc820b	no
isa1	dc320e	dc320e	no
isa1	dc320b	dc320b	no
isa1	hpblp	hpblp	no
isa1	lrk331	lrk331	no
isa1	omti8621	omti8621isa	no
isa1	ultra12f32	ultra12f32	no
isa1	ex1280	ex1280	no
isa1	bt542b	bt542b	no
isa1	wd1007a	wd1007a	no
isa1	np600a3	np600a3	no
isa1	aha1742a	aha1742a	no
isa1	mach64	mach64isa	no
isa1	bt542bh	bt542bh	no
isa1	3c505	3c505	no
isa1	wd90c33_zz	wd90c33_zz	no
isa1	wd90c31a_lr	wd90c31a_lr	no
isa1	wd90c30_lr	wd90c30_lr	no
isa1	dc820	dc820	no
isa1	ultra14f	ultra14f	no
isa1	ultra12f	ultra12f	no
isa1	wd90c11_lr	wd90c11_lr	no
isa1	svga_et4kw32i	et4kw32i	no
isa1	sb16_lle	sb16	no
isa1	svga_et4k	et4000	no
isa1	mcd	mcd_isa	no
isa1	pvga1a_jk	pvga1a_jk	no
isa1	pvga1a	pvga1a	no
isa1	gfxultra	gfxultra	no
isa1	aha1740	aha1740	no
isa1	gfxultrap	gfxultrap	no
isa1	clgd542x	clgd542x	no
isa1	svga_dm	dm_clgd5430	no
isa1	dcb	novell_dcb	no
isa1	sblaster_16	isa_sblaster_16	no
isa1	gus	isa_gus	no
isa1	aha1542c	aha1542c	no
isa1	adlib	isa_adlib	no
isa1	sad8852	sad8852	no
isa1	fdc344	fdc344	no
isa1	tvga9000	tvga9000	no
isa1	aha1542a	aha1542a	no
isa1	hdc	isa_hdc	no
isa1	sblaster1_0	isa_sblaster1_0	no
isa1	mpu401	isa_mpu401	no
isa1	fdc_xt	isa8_fdc_xt	no
isa1	wd90c90_jk	wd90c90_jk	no
isa1	side116	side116	no
isa1	wdxt_gen	wdxt_gen	no
isa1	wd90c31a_zs	wd90c31a_zs	no
isa1	fdcmag	fdcmag	no
isa1	sblaster1_5	isa_sblaster1_5	no
isa1	cga	cga	no
isa1	fdc	isa8_fdc_at	no
isa1	cga_ec1841	ec1841_0002	no
isa1	aha1542cf	aha1542cf	no
isa1	cga_mc1502	cga_mc1502	no
isa1	stereo_fx	stereo_fx	no
isa1	cga_poisk2	cga_poisk2	no
isa1	pgc	isa_ibm_pgc	no
isa1	aha1542b	aha1542b	no
isa1	ega	ega	no
isa1	comat	isa_com_at	no
isa1	aga	isa_aga	no
isa1	fdc_ps2	isa8_fdc_ps2	no
isa1	num9rev	number_9_rev	no
isa1	xtide	xtide	no
isa1	cga_cportiii	cga_cportiii	no
isa1	ibm_mfc	ibm_mfc	no
isa1	fdc_smc	isa8_fdc_smc	no
isa1	chessmdr	isa_chessmdr	no
isa1	vga	ibm_vga	no
isa1	wd90c31_lr	wd90c31_lr	no
isa1	hercules	isa_hercules	no
isa1	ne2000	ne2000	no
isa1	ssi2001	ssi2001	no
isa1	gblaster	isa_gblaster	no
isa1	wd90c00_jk	wd90c00_jk	no
isa1	acb2072	acb2072	no
isa1	3xtwin	3xtwin	no
isa1	pcmidi	isa_pcmidi	no
isa1	3c503	el2_3c503	no
isa1	bt545s	bt545s	no
isa1	mda	isa_ibm_mda	no
isa1	lpt	isa_lpt	no
isa1	ev346	ev346	no
isa1	cga_m24	cga_m24	no
isa1	wd1002a_wx1	wd1002a_wx1	no
isa1	wyse700	wyse700	no
isa1	lba_enhancer	lba_enhancer	no
isa1	jc1310	jc1310	no
isa1	dectalk	dectalk_isa	no
isa1	aha1542cp	aha1542cp	no
isa1	prose4k1	isa_prose4001	no
isa1	pds	isa_pds	no
isa1	svga_s3	s3_764	no
isa1	asc88	asc88	no
isa1	chessmsr	isa_chessmsr	no
isa1	epc_mda	isa_epc_mda	no
isa1	ultra24f	ultra24f	no
isa1	aga_pc200	isa_aga_pc200	no
isa1	finalchs	isa_finalchs	no
isa1	epc_twib	eistwib	no
isa1	com	isa_com	no
isa1	babyblue2	isa_bblue2	no
isa1	svga_et4k_kasan16	et4000_kasan16	no
isa1	opus108pm	opus108pm	no
isa1	ne1000	ne1000	no
isa1	ibm_speech	isa_ibm_speech	no
isa1	fdc_superio	isa8_fdc_superio	no
isa1	ide	isa_ide	no
kbd	g80_1500	g80_1500	no
kbd	pcat101	kb_pcat101	no
kbd	pcat	kb_pcat84	yes
kbd	ms_naturl	kb_ms_natural	no
kbd	3270pc	kb_3270pc	no
kbd	keytronc_pc3270	keytronic_pc3270_at	no

dipswitch

IDE Configuration

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
IDE Configuration	board3:ide:DSW	1

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
Primary	0	yes
Secondary	1	no

Base address

name	tag	mask	condition_tag	condition_mask	condition_relation	condition_value
Base address	board4:lpt:DSW	1

value

name	value	default	condition_tag	condition_mask	condition_relation	condition_value
0x378	0	yes
0x278	1	no