Acorn A4

Game Information

manufacturer	Acorn Computers
year	1992
clone of	aa5000
other clones	aa4 aa5000a
genre	N/A
downloads	0

Screenshots

Download Details

split set	aa4.zip 1.17m
parent set	aa5000.zip 3.75m ↗
bios/device	archimedes_keyboard.zip 1.29k
standalone set	aa4.7z 1.01m
chd	riscos311_apps.chd 566.02k

Game Details

Computer published 33 years ago:

Acorn A4 (c) 1992 Acorn Computer, Ltd. [Cambridge, England]

- CONTRIBUTE -

Edit this entry: https://www.arcade-history.com/?&page=detail&id=298458&o=2

Driver Details

source	acorn/aa310.cpp
status	preliminary
emulation	preliminary
savestate	unsupported

Screen Details

display	screen
type	lcd
orientation	horizontal
width	735px
height	292px
refresh	50.08mhz

Input Details

player	N/A
type	mouse
buttons	N/A
directions	N/A

player	N/A
type	keyboard
buttons	106
directions	N/A

Chipset Details

name	ARM
clock	22.89mhz

name	Intel 8051
clock	11.44mhz

name	Speaker
clock	N/A

name	Speaker
clock	N/A

name	16-Bit R-2R Twos Complement DAC
clock	N/A

name	16-Bit R-2R Twos Complement DAC
clock	N/A

name	16-Bit R-2R Twos Complement DAC
clock	N/A

name	16-Bit R-2R Twos Complement DAC
clock	N/A

name	16-Bit R-2R Twos Complement DAC
clock	N/A

name	16-Bit R-2R Twos Complement DAC
clock	N/A

name	16-Bit R-2R Twos Complement DAC
clock	N/A

name	16-Bit R-2R Twos Complement DAC
clock	N/A

name	Speaker
clock	N/A

name	Floppy sound
clock	43.07khz

ROM Details

name	size	crc
0296,061-01.ic4	1.00m	b77fe215
0296,062-01.ic15	1.00m	d42e196e
0296,063-01.ic38	64.00k	9ca3a6be
cmos_riscos3.bin	256.00b	96ed59b2