Search found 106 matches

by derek
Fri Mar 27, 2020 12:07 am
Forum: off-topic
Topic: Infocom source code
Replies: 4
Views: 734

Re: Infocom source code

Hi,

I ported txtElite to the Sinclair QL which has a nice ANSI C compiler.

If there is a C compiler that is ANSI compatable for the BEEB, maybe this could compiled.
by derek
Mon Jan 20, 2020 2:21 pm
Forum: 8-bit acorn hardware
Topic: Teletext Adapters
Replies: 1
Views: 219

Teletext Adapters

Hi,

I see Teletext Adapters being sold on eBay, is there a use for Teletext these days.

As I thought the signal had been switched off.
by derek
Sun Jan 19, 2020 3:14 pm
Forum: past physical ABug events
Topic: ABUG SOUTH 24 to 26 January 2020: NOW FULL
Replies: 175
Views: 10204

Re: ABUG SOUTH 24 to 26 January 2020: MORE PLACES AVAILABLE

Also, although the TWIXMAS19 code no longer works, WINSALE19 does and is still very cheap. I tried the new code no rooms at that promo code. The train price is too expensive, so I will have to negoiate with the wife to use the car. I will have drive down on Saturday for 1 day and drive back the sam...
by derek
Sun Jan 19, 2020 1:51 pm
Forum: past physical ABug events
Topic: ABUG SOUTH 24 to 26 January 2020: NOW FULL
Replies: 175
Views: 10204

Re: ABUG SOUTH 24 to 26 January 2020: MORE PLACES AVAILABLE

Hi,

I was going attend, but due to other circumstances, I do not have any transport.

Unless anyone can give me lift from Runcorn/Liverpool/Manchester.

And the looks to be only rooms at the full rate left.
by derek
Wed Jan 08, 2020 4:42 pm
Forum: general
Topic: Education
Replies: 1
Views: 336

Education

Hi, I have been quiet on the forum, which I am sorry. But I realised that I have forgotten or did not know much about Acorn computers. To remedy this I have been reading all the Acorn documentation and applying it on BBC B or Electron. I also started to read the Hardware sub-forum, which I am on pag...
by derek
Wed Jan 08, 2020 4:33 pm
Forum: 8-bit acorn hardware
Topic: Replacing the caps in a Master PSU
Replies: 3
Views: 383

Re: Replacing the caps in a Master PSU

Hi, I have done tge same job on a Master PSU, replacing C1, C2, C9 all soldered in very nicely. I looked at the inside of the PSU case, which needed a clean, I also noticed tge power switch had been glued to the metal case apperture. I thought the plastic tabs on the switch were broken, but the secu...
by derek
Mon Dec 16, 2019 10:24 pm
Forum: 8-bit acorn software: other
Topic: Addcom
Replies: 2
Views: 312

Re: Addcom

Hi,

Thank you for the link.

I will get the EPROM Programmer out in the morning...
by derek
Mon Dec 16, 2019 9:18 pm
Forum: 8-bit acorn software: other
Topic: Addcom
Replies: 2
Views: 312

Addcom

Hi,

I have been reading the Addcom manual, there looks to be a Rom is this available any where?

The manual stats it can be used on BBEB and ELK, does anyone have any experience of this software.
by derek
Mon Dec 09, 2019 12:34 am
Forum: 8-bit acorn hardware
Topic: PLCC Chip Extractor
Replies: 9
Views: 714

Re: PLCC Chip Extractor

Hi,

I have a chip extractor, I bought from Maplin Electronics, over 10 years ago. It never let me down, extracted PLCC, DIP chips with ease.
by derek
Sun Dec 08, 2019 11:24 pm
Forum: 8-bit acorn hardware
Topic: BBC Startup Beeps
Replies: 3
Views: 362

Re: BBC Startup Beeps

Hi,

Thank you for the reply, which your answer confirmed what I suspected.

I seem to not know much about Acorn computers, so I have reading all the message threads on the forum. There is lots of interesting topics and very knowledgeable people.

Back to to reading...
by derek
Sun Dec 08, 2019 8:55 pm
Forum: 8-bit acorn hardware
Topic: BBC Startup Beeps
Replies: 3
Views: 362

BBC Startup Beeps

Hi, For a long time I wondered what the meaning of the Sartup Tones on a BBC. I read in web page: http://wouter.bbcmicro.net/bbc/hardware/bbc_micro/repair/index.html The first beeeeeeeee noise is random data on the slow data bus (hanging off the system 6522) being interpreted and amplified by the 76...
by derek
Fri Aug 23, 2019 4:08 pm
Forum: for sale / freebies
Topic: FS: Acorn Plus 1 expansion unit. SOLD
Replies: 11
Views: 1037

FS: Acorn Plus 1 expansion unit. SOLD

Acorn Plus 1 expansion unit. In full working in condition, tested on Electron. Comes complete with Acorn standard Plus 1 rom, parallel port, ADC, RS423, twin rom expansion ports on top of case. Plus1-1.jpg Plus1-2.jpg Plus1-3.jpg Plus1-4.jpg Plus1-5.jpg Plus1-7.jpg Plus1-8.jpg Price: £40 + shipping ...
by derek
Fri Aug 23, 2019 4:01 pm
Forum: for sale / freebies
Topic: FS: Electron keyboard
Replies: 0
Views: 360

FS: Electron keyboard

Electron keyboard

In full working in condition, tested on Electron and Plus 1 expansion unit.
Keyboard2.jpg
Keyboard bottom
Keyboard1.jpg
Keyboard top
Keyboard3.jpg
Keyboard plugged on Electron board
Price: £20 + shipping

Can ship worldwide
by derek
Fri Aug 23, 2019 3:58 pm
Forum: for sale / freebies
Topic: FS: Electron Elite game
Replies: 1
Views: 283

FS: Electron Elite game

Electron Elite game.

Supplied in original box with manual and tape.
Elite2.jpg
Elite manual & tape
Elite1.jpg
Elite game box front
Elite3.jpg
Elite game box back
Price: £5 + shipping

Can ship worldwide
by derek
Fri Aug 23, 2019 3:51 pm
Forum: for sale / freebies
Topic: FS: Econet module 259.200-R Issue 2
Replies: 0
Views: 351

FS: Econet module 259.200-R Issue 2

Econet module 259.200-R Issue 2

In full working condition, tested on Archimedes A3020, A4000, BBC Master.
Econet2-2.jpg
Econet board bottom
Econet2-1.jpg
Econet board top
Price: £25 + shipping

Can ship worldwide
by derek
Fri Aug 23, 2019 3:49 pm
Forum: for sale / freebies
Topic: FS: Econet module 259.200-R Issue 1
Replies: 0
Views: 338

FS: Econet module 259.200-R Issue 1

Econet module 259.200-R Issue 1

In full working condition, tested on Archimedes A3020, A4000, BBC Master.
Econet1-2.jpg
Econet board back
Econet1-1.jpg
Econet board top
Price: £25 + shipping

Can ship worldwide
by derek
Fri Aug 23, 2019 3:46 pm
Forum: for sale / freebies
Topic: FS: Watford Electronics Black Twin Rom Cartridge
Replies: 0
Views: 341

FS: Watford Electronics Black Twin Rom Cartridge

Watford Electronics black twin rom cartridge for BBC Master and Electron.

In full working condition, tested on Electron and BBC Master.
Cart2-2.jpg
Cartridge Back
Cart2-1.jpg
Cartridge Front
Price: £20 + shipping

Can ship worldwide
by derek
Fri Aug 23, 2019 3:43 pm
Forum: for sale / freebies
Topic: FS: Watford Electronics boxed twin rom cartridge
Replies: 0
Views: 322

FS: Watford Electronics boxed twin rom cartridge

Watford Electronics boxed twin rom cartridge for BBC Master and Electron.

In full working condition, tested on Electron and BBC Master.
Cart1-2.jpg
Cartridge Back
Cart1-1.jpg
Cartridge Front
Price: £20 + shipping

Can ship worldwide
by derek
Tue Jul 09, 2019 1:59 pm
Forum: 8-bit acorn software: other
Topic: Basic BASIC Question
Replies: 28
Views: 1403

Re: Basic BASIC Question

Hi, Have you not missed a NEXT in the k FOR loop? As k would be set to tge starting value of 5, but the NEXT increment for tge variiable is missing so j is incremented to 4. After reading the BBC & Electron User Guides, there should be a coresponding NEXT statement for each FOR statement. Since BBC ...
by derek
Wed Jun 12, 2019 12:00 pm
Forum: 8-bit acorn hardware
Topic: Data Center Discontinued?!
Replies: 13
Views: 1119

Re: Data Center Discontinued?!

Hi,

Well thinking what I have to make, which is Electron ATI, EUPRS, I probably do need a Data Centre or BeebSCSI.

I just carried along with all the excellent hardware projects.

At present I more things to do now and can not find the time, not working either...
by derek
Wed Jun 12, 2019 11:56 am
Forum: 8-bit acorn hardware
Topic: Proposed: "The Ultimate Electron Upgrade"
Replies: 557
Views: 46930

Re: Proposed: "The Ultimate Electron Upgrade"

Hi, I would interested in a built board. I have fitted a socket ti one of my spare Electron boards. With regards to a company building the board, I had a UK company called Quick-tek make some double sided pcbs and solder the all the smd components including a FPGA chip. The board was sold to people ...
by derek
Tue Jun 11, 2019 11:40 am
Forum: 8-bit acorn hardware
Topic: Beeb Power Supply Issue
Replies: 28
Views: 2067

Re: Beeb Power Supply Issue

Hi,

I have replaced a C1, C2 & C9 on all my BBC Bs and Masters.

Since tge PSU CAPS have been inplace for 30 years, I might repace all the Caps in the power supplies. Maybe OTT, but at least then I know that tge PSU is performing to spec. Just give anothe 30 life...
by derek
Tue Jun 11, 2019 11:35 am
Forum: 8-bit acorn hardware
Topic: Data Center Discontinued?!
Replies: 13
Views: 1119

Re: Data Center Discontinued?!

Hi,

I seem to of missed the boat onn the Datacentre and BeebSCSI, but since thry are all open source, I am thinking about making some for myself.
by derek
Sun Jun 09, 2019 2:57 pm
Forum: 8-bit acorn hardware
Topic: Beeb Power Supply Issue
Replies: 28
Views: 2067

Re: Beeb Power Supply Issue

Hi,

I read this with interest, is a good idea to renew all the power supply Electrolytic Capacitors?

Would this also apply the Master PSUs?
by derek
Sat Jun 08, 2019 7:28 pm
Forum: trickysoft (new bbc micro games)
Topic: New version of Space Invaders (was: BASIC Space Invaders)
Replies: 76
Views: 12525

Re: New version of Space Invaders (was: BASIC Space Invaders)

Hi,

Just downloaded this great game, tried on BeebDroid v1.3 on a Samsung SM-T530 works really well.
by derek
Fri Jun 07, 2019 7:23 pm
Forum: for sale / freebies
Topic: For Sale: Computer Grahics and CAD Fundamentals Book
Replies: 4
Views: 458

Re: For Sale: Computer Grahics and CAD Fundamentals Book

lurkio wrote:
Fri Jun 07, 2019 5:37 pm
Hi. I’ll take this if it’s still available.
:?:
Hi Lukio,

The book is still available, please PM with your address details.
by derek
Fri Jun 07, 2019 3:17 pm
Forum: for sale / freebies
Topic: For Sale: Computer Grahics and CAD Fundamentals Book
Replies: 4
Views: 458

For Sale: Computer Grahics and CAD Fundamentals Book

Computer Grahics and CAD Fundamentals BBC MicroVersion by Noel M. Morris

In good condition, details 3D graphics programming in BBC BASIC. 223 pages including index.
BBC 3D1.jpg
BBC 3D2.jpg
Price: £5.00 plus postage
by derek
Wed May 29, 2019 6:08 pm
Forum: 8-bit acorn hardware
Topic: BEEB Graphics Screen
Replies: 14
Views: 1022

BEEB Graphics Screen

Hi, I seem to spend my time reading all the BEEB and ELK manuals, but on reading the User Guide, which indicates tgat the Graphics Screen is 1023x1279 or 1024x1280... Is there any way to display tge whole of tge Graphics Screen. I think what I am asking can a high resolution graphics card bee added?...
by derek
Sat May 25, 2019 9:57 pm
Forum: 8-bit acorn hardware
Topic: Elk disc controllers
Replies: 35
Views: 2145

Re: Elk disc controllers

Hi,

Thank you for the link, looks like another book to read.

I will read it over the weekend.
by derek
Sat May 25, 2019 2:53 pm
Forum: 8-bit acorn hardware
Topic: Elk disc controllers
Replies: 35
Views: 2145

Re: Elk disc controllers

Hi, BTW, the only reason I can see for using ADFS with the Pegasus is if you have a BeebSCSI (which I do have). Best to stick with DFS which comes with comes with the Pegasus which keeps PAGE at E00. I like to use sub-dirctories on disks, I thought that ADFS would make thisd possible. But reading th...

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