Questions tagged [acorn]

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

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2
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0answers
139 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 ...
31
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4answers
3k 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 ...
13
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3answers
1k views

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 ...
23
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4answers
5k 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,...
7
votes
3answers
605 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 ...
14
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2answers
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?
8
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4answers
873 views

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 ...
11
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2answers
462 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 ...
25
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2answers
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 ...
13
votes
1answer
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 ...
35
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2answers
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 ...
10
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2answers
475 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. ...
9
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2answers
746 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 ...
1
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2answers
461 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 ...
13
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2answers
710 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 ...
13
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1answer
383 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 ...
10
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1answer
731 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 ...
14
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1answer
786 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, ...