Questions tagged [acorn]

The products of Acorn Computers Ltd., a British computer manufacturer founded in 1978.

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Please identify this program for Acorn Archimedes

From the movie Murder Story This is the pc (is 90% Acorn Archimedes 305) This is the program another view Anyone recognize name of program? Thanks The os can be Arthur OS or RISC-OS
elbarna's user avatar
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6 votes
3 answers
1k views

Why doesn't the Acorn Electron use fast page mode?

The Acorn Electron, trying to provide 32K of RAM as cheaply as possible, uses four 64k chips, for a 4-bit data bus. Obviously, this involves trading away some performance. (In all the following ...
rwallace's user avatar
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5 votes
1 answer
484 views

Are there any screenshots of Sherston Software's Around the World in 80 Days for Acorn Archimedes?

I've been trying to track down an educational game I played at primary school. This was in the UK, and would have been around 1994 to 1996. The game was based on Jules Verne's Around the World in 80 ...
Showsni's user avatar
  • 169
1 vote
0 answers
149 views

Running ssd files on Beebem emulator [closed]

I have downloaded L Mathemagical Adventure and I am running it on Beebem emulator. I selected the ssd file with load disk, but it came up with the error message that the file was read only. It talked ...
John Cena's Bing Chilling's user avatar
19 votes
8 answers
3k views

How were Acorn Archimedes used outside education?

Anyone who experienced the UK education system from the mid '80s to the mid '90s would no doubt have experienced Acorn computers (BBC and later Archimedes). At the time, these computers were almost ...
lfgtm's user avatar
  • 291
3 votes
2 answers
351 views

Atom BASIC, anyone here used it or can emulate it?

I'm reading over "Atomic Theory and Applications" (best name EVAR) but having never used the Atom a couple of things are confusing me. For one, did the Atom have a "full screen" ...
Maury Markowitz's user avatar
9 votes
6 answers
808 views

Would compare-and-branch have added an extra cycle on ARM-1?

The ARM-1 was an early RISC CPU, designed in 1986 (and even more typical of early RISC design constraints than the year would suggest, since Acorn didn't have the budget to pay for the latest process ...
rwallace's user avatar
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2 votes
0 answers
215 views

Did other Acorn keyboards use two-shot molding?

The BBC Micro hardware specification includes the clause: The legend on the keys will be achieved by two-shot moulding This is a process by which the glyphs are made to run all the way through the ...
rwallace's user avatar
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25 votes
4 answers
6k views

When did half-bad RAM chips stop being available?

The ZX Spectrum sold with either 16 or 48K RAM, necessitating an optional 32K memory bank which was achieved in a characteristically (for Sinclair) cleverly frugal way: with half-bad 64kbit DRAM chips,...
rwallace's user avatar
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10 votes
3 answers
1k views

Is it still possible to access a BBS via dial up internet on the C64 (or other retro computers)

I was wondering if it is still possible to access any online BBS using dial up and an 80's era computer. I'm aware that some dial up internet providers still exist (eg Nippy Internet in the UK), but ...
gamer's user avatar
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9 votes
4 answers
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Why didn't the Acorn Archimedes support general purpose co-processors?

Acorn's BBC Micro series is well known for the range of add-on processors (or Second Processors) that could be connected through it's Tube interface. These included the 6502, Z80, 80186, and also the ...
Kaz's user avatar
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12 votes
2 answers
561 views

What role did the BBC have in the development and marketing of Acorn Archimedes computers?

The BBC's Computer Literacy Project was launched in 1982, and saw the public service broadcaster seek to raise awareness and educate the general public about the growing field of computing. They ...
Kaz's user avatar
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13 votes
1 answer
2k views

Why did Acorn's A3000 have red function keys?

Acorn's line of ARM-based Archimedes computers was common in UK schools in the 1990s, and many classrooms had an A3000, A4000, or A5000 computer. The function keys of the A3000 were a distinctive red ...
Kaz's user avatar
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1 vote
2 answers
529 views

Acorn System 1 - is it a collectable? [closed]

I have one of these things gathering dust at home: Acorn System 1 I have the original manual (when I find it?) too. It did work, the last time I powered it up, 35 years ago. Should I throw it in ...
birdwes's user avatar
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32 votes
4 answers
4k views

BBC/Acorn BASIC, what made it so fast?

As I look over old versions of BASIC trying to piece together their history, I come across repeated indications that BBC Basic was really fast. One list puts it running the Ahl benchmark (for all its ...
Maury Markowitz's user avatar
9 votes
2 answers
930 views

Screen "garbage" in Acorn Electron games

A common feature of later games released for the Acorn Electron was the use of screen memory to store game code. This was commonly known as screen "garbage", and can be seen on games like Exile. I ...
pmarflee's user avatar
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13 votes
1 answer
474 views

How long was the production run for the Acorn Electron?

I owned an Acorn Electron during the 1980s. It was a great little machine, which was still supported with magazines and games until about 1990. However I'm not sure how long the machine was actually ...
pmarflee's user avatar
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26 votes
2 answers
3k views

Was the first ARM "processor" a BBC BASIC program?

The best background I have found so far on the early development of the ARM processor at Acorn comes from this interview with Steve Furber. The interview does not mention the development of the first ...
Brian H's user avatar
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13 votes
3 answers
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Acorn Electron to VGA/HDMI?

I am aware that there are answers regarding this but they do not seem to answer it for me. A few years back I got a Acorn Electron and it works using the arial for video fine, but I would like to ...
Antony's user avatar
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35 votes
2 answers
2k views

What BBC Microcomputer features were requested specifically by BBC engineers?

When requirements for the BBC Microcomputer were developed as part of the BBC Computer Literacy Project, an outline specification was created by an independent consultant, the late John Coll. This ...
Mick's user avatar
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14 votes
2 answers
1k views

Why does my Acorn RiscPC display the POST boot error?

After removing the Intel DX 486 card from my RiscPC (running RiscOS 3.6), the computer doesn't start up properly. Instead, it displays the text POST in red. What does this error message mean?
alfetta's user avatar
  • 163
10 votes
1 answer
981 views

How can I hook up my Acorn RISC PC 600 to a LCD monitor?

I own an Acorn RiscPC 600 which I picked up from Ebay years ago which apparently works but did not come with a monitor. I purchased a VGA to DVI connector to hook up the computer to my PC desktop ...
Iian's user avatar
  • 201
14 votes
2 answers
799 views

Reading the BBC Domesday Project

In 1986, the 900th anniversary of the original Domesday Book, the BBC coordinated a project to document modern Britain. This was claimed to be data to last for the next thousand years. Data was ...
Chenmunka's user avatar
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16 votes
1 answer
938 views

How did the Sideways address space work?

I was researching the BBC Micro when I found the Sideways address space: a 16KiB memory space allowing access to up to 16 16KiB external blocks of ROM (or RAM). But 16 blocks of 16KiB is 256KiB, ...
wizzwizz4's user avatar
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10 votes
2 answers
566 views

Acorn Electron fails to load .UEF files converted to .WAV

I have an Acorn Electron that came without tape recorder, so I'm using Audacity to record and replay programs which works fine. Now I also have some software as UEF (Universal Emulator Format) files. ...
Cees Meijer's user avatar