Acorn A500 (Dual MEMC) 2nd Processor - mame (0284) machine

MAME: 0284 - Released: 2025-12-30T16:33:58 - Machines: 49538 - rom: 367487 - disk: 1392

machine

• XML • JSON • RUN

name	sourcefile	sampleof	isbios	isdevice	ismechanical	runnable	description	year	manufacturer	cloneof	romof
bbc_tube_a500d	devices/bus/bbc/tube/tube_a500.cpp		no	yes	no	no	Acorn A500 (Dual MEMC) 2nd Processor

snap

Acorn A500 (Dual MEMC) 2nd Processor png snap

Acorn A500 (Dual MEMC) 2nd Processor jpg snap thumbnail

Key	Length	LastWriteTime	Width	Height	HorizontalResolution	VerticalResolution	PaletteLength	PixelFormat	PropertyItems
bbc_tube_a500d	52141	29/12/2025 11:31:16	640	480	71.9836	71.9836	0	Format24bppRgb	305:MAME 0.263 (Feb 28 2024)

display

tag	type	rotate	width	height	refresh	pixclock	htotal	hbend	hbstart	vtotal	vbend	vbstart	flipx
:screen	raster	0	735	292	50.080128	16000000	1024	0	735	312	0	292	no

rom

name	size	crc	sha1	region	offset	status	optional	merge	bios
m4_brazil_8mbaddr_rom0.bin	16384	f01fb7a6	840a15882797572db4764f37b725cf9c5a07a8cb	maincpu	0	good	no
m4_brazil_8mbaddr_rom1.bin	16384	924e4181	4f1903ef83cb6e0cef130005b0442a6548915b8a	maincpu	1	good	no
m4_brazil_8mbaddr_rom2.bin	16384	c210e9a5	ee09b8bac275153467ec31f7a16c366a0f97b550	maincpu	2	good	no
m4_brazil_8mbaddr_rom3.bin	16384	1e520555	9b6bdeef8d7fb22ef0203c2f531a4e0a55e22c6f	maincpu	3	good	no

chip

type	tag	name	clock
cpu	:maincpu	ARM	8000000
cpu	:keyboard:mcu	Intel 8051	12000000
audio	:vidc:speaker	Speaker
audio	:vidc:dac0	16-Bit R-2R Twos Complement DAC
audio	:vidc:dac1	16-Bit R-2R Twos Complement DAC
audio	:vidc:dac2	16-Bit R-2R Twos Complement DAC
audio	:vidc:dac3	16-Bit R-2R Twos Complement DAC
audio	:vidc:dac4	16-Bit R-2R Twos Complement DAC
audio	:vidc:dac5	16-Bit R-2R Twos Complement DAC
audio	:vidc:dac6	16-Bit R-2R Twos Complement DAC
audio	:vidc:dac7	16-Bit R-2R Twos Complement DAC

device_ref

tag	name
:_tmp:maincpu	arm_cpu
:_tmp:fiqs	ipt_merge_any_hi
:_tmp:irqs	ipt_merge_any_hi
:_tmp:ula	tube
:_tmp:memc	memc
:_tmp:ioc	ioc
:_tmp:keyboard	archimedes_keyboard
:_tmp:keyboard:mcu	i8051
:_tmp:screen	screen
:_tmp:vidc	acorn_vidc1
:_tmp:vidc:speaker	speaker
:_tmp:vidc:dac0	dac_16bit_r2r_tc
:_tmp:vidc:dac1	dac_16bit_r2r_tc
:_tmp:vidc:dac2	dac_16bit_r2r_tc
:_tmp:vidc:dac3	dac_16bit_r2r_tc
:_tmp:vidc:dac4	dac_16bit_r2r_tc
:_tmp:vidc:dac5	dac_16bit_r2r_tc
:_tmp:vidc:dac6	dac_16bit_r2r_tc
:_tmp:vidc:dac7	dac_16bit_r2r_tc

sound

channels
1

input

players	coins	service	tilt
1		no	no

control

type	player	buttons	ways	reverse	minimum	maximum	sensitivity	keydelta	ways2	ways3
mouse				no	0	65535	100
keyboard		106		no