Search found 5244 matches

by MartinB
Mon Oct 28, 2019 6:14 pm
Forum: hardware
Topic: Loading a ROM into SW Ram - basics
Replies: 39
Views: 849

Re: Loading a ROM into SW Ram - basics

That BASICED 'rom image' isn't a rom image - it looks like its the source code or something, possibly from github or somewhere? I can't tell how you've arrived at the file but it's just wrong! Have you selected the wrong file to download perhaps? For example here's the first few bytes..... <!DOCTYPE...
by MartinB
Mon Oct 28, 2019 9:55 am
Forum: hardware
Topic: Loading a ROM into SW Ram - basics
Replies: 39
Views: 849

Re: Loading a ROM into SW Ram - basics

If you try both ssd's with the EELOAD utility that Ken Lowe recommended earlier in the thread (and I think you tried?), you will get a checksum after loading a given rom image and this will tell you definitively if there are differences between the alternatively sourced versions of the images.
by MartinB
Sun Oct 27, 2019 7:56 am
Forum: hardware
Topic: Master 128 Speaker noise
Replies: 6
Views: 246

Re: Master 128 Speaker noise

Mark wrote:Try using the search box to find other posts / threads about this.

Or look at the post just above Mark's.... :shock: :lol:
by MartinB
Sat Oct 26, 2019 9:24 pm
Forum: hardware
Topic: Master 128 Speaker noise
Replies: 6
Views: 246

Re: Master 128 Speaker noise

Have a look at this thread :)
by MartinB
Sun Oct 20, 2019 10:31 am
Forum: hardware
Topic: Master thinks a Joystick is plugged in and active
Replies: 17
Views: 329

Re: Master thinks a Joystick is plugged in and active

tricky was asking for the ADVAL(0)AND3 test because that returns the state of the fire buttons and your value of 1 means that the player one fire button is permanently indicating pressed which will indeed cause games to assume this has been intentionally selected by the user. If this is occurring w...
by MartinB
Thu Oct 17, 2019 5:44 am
Forum: for sale / freebies
Topic: Hampshire/South ABUG Giveway
Replies: 12
Views: 513

Re: Hampshire/South ABUG Giveway

That's very kind of you Dave 8) and if it suits Duncan better then its fine by me, I'm in no rush whatsoever. We shall let Duncan comment..... :)
by MartinB
Wed Oct 16, 2019 9:11 pm
Forum: for sale / freebies
Topic: Hampshire/South ABUG Giveway
Replies: 12
Views: 513

Re: Hampshire/South ABUG Giveway

Thank-you and yes, those are the ones I can use. Sincerely though, if you don’t want to post (because I do recognise that it amounts to significant hassle) then no worries at all, I will happily leave them for another taker. However, if you feel that you can take an anti-histamine and bear to confro...
by MartinB
Wed Oct 16, 2019 6:13 pm
Forum: for sale / freebies
Topic: Hampshire/South ABUG Giveway
Replies: 12
Views: 513

Re: Hampshire/South ABUG Giveway

I try it on a regular basis but despite greasing up, I keep getting stuck in the large letter test slot.
by MartinB
Wed Oct 16, 2019 11:25 am
Forum: for sale / freebies
Topic: Hampshire/South ABUG Giveway
Replies: 12
Views: 513

Re: Hampshire/South ABUG Giveway

Hi Duncan - I'm by no means an expert here but do those iMac memory modules match up to something like "DDR3 10600S PC3-10600S 1333MHZ 204 Pin SODIMM" ? I ask because I have MSI netbooks that use the latter spec modules (2Gb max) so I 'd take yours if compatible for spares/upgrading future acquisiti...
by MartinB
Sat Oct 12, 2019 6:33 pm
Forum: hardware
Topic: Setting up dual drive from single drive and gotek (level of complexity?)
Replies: 12
Views: 381

Re: Setting up dual drive from single drive and gotek (level of complexity?)

Yes the Beeb will power twin drives and yes, DFS will support two physical drives (as four logical drives). On the power supply, if you could find a drive with a built-in PSU and you can cope with the slightly larger case and one more mains plug, you will be reducing the strain on your Beeb PSU but ...
by MartinB
Tue Sep 24, 2019 8:46 pm
Forum: software & utilities for the pc, mac or unix
Topic: Wires? Pah.....
Replies: 901
Views: 130738

Re: Wires? Pah.....

Hi Tom - I’m just a Beeb hobbyist and not from a software or IT background so things like licensing, open/closed source, git(?) etc are all just complete jabberwocky to me. The reason I haven’t ever gone out of my way to make the sources for UPURS public is simply because I didn’t want to encourage ...
by MartinB
Mon Sep 16, 2019 10:47 pm
Forum: development tools
Topic: Deploy-and-run from PC to Beeb?
Replies: 44
Views: 3057

Re: Deploy-and-run from PC to Beeb?

I’m afraid I can’t help with UPURSFS because it wasn't my 'thing', (I’m only responsible for the original UPURS system), so I’ll have to leave the expert comment on that to Stephen ( sweh ). My only suggestion though if you continue to struggle would be for you to first confirm that the basic UPURS ...
by MartinB
Sat Sep 07, 2019 7:41 am
Forum: bbcmicro.co.uk
Topic: Should the search box be selected
Replies: 33
Views: 1364

Re: Should the search box be selected

Ah, thanks for that, Martin! I wasn't able to observe that behaviour on my iPhone, possibly because it's a 6s Plus, which has a larger screen.... In case it matters, mine is actually a 6s which is slightly larger than a 6 but I think still smaller than your Plus. Anyway, not that I know anything ab...
by MartinB
Fri Sep 06, 2019 10:17 am
Forum: bbcmicro.co.uk
Topic: Should the search box be selected
Replies: 33
Views: 1364

Re: Should the search box be selected

I thought the same as tricky when I first tried it (iPhone 6 IOS) but on swivelling to landscape, it is there and it becomes visible. In portrait, you can see the search button by dragging the screen down but you can’t actually use it because it just springs back up out of sight when you release the...
by MartinB
Sun Aug 25, 2019 9:39 pm
Forum: hardware
Topic: Disk confusion
Replies: 28
Views: 727

Re: Disk confusion

Kazzie wrote:In summary, whatever media you buy, as long as it isn't HD....

You can ’do stuff’ to a 177x-based DFS Beeb (and Master and Elk) to allow you to happily use HD floppies..... :- O:)
by MartinB
Sat Aug 24, 2019 10:56 am
Forum: hardware
Topic: crude Beeb PSU question
Replies: 11
Views: 476

Re: crude Beeb PSU question

So I can definitely remove the X2 caps (as opposed to leaving the leaking ones in ) for it to continue to work?
Absolutely, Paul (retro-kit) is perfectly correct - if pressed for time, just Remove’n’Go 8)
by MartinB
Wed Aug 14, 2019 8:15 pm
Forum: off-topic
Topic: You know you’re getting old when......
Replies: 2
Views: 302

You know you’re getting old when......

😳 😩





Still, maybe something for Kieran to knock up for tricky’s light gun.... :-k
by MartinB
Mon Aug 12, 2019 7:57 am
Forum: general
Topic: Today I received.....
Replies: 5492
Views: 441919

Re: Today I received.....

Heh heh, I was just kidding Barrie and if you recall, we discussed this many moons ago... 8) :wink:
by MartinB
Sun Aug 11, 2019 10:21 am
Forum: general
Topic: Today I received.....
Replies: 5492
Views: 441919

Re: Today I received.....

James wrote:You any good at fixing Spectrums? [-o< :lol:

Yes, I could certainly ‘fix’ Spectrums - but not necessarily in a good way..... :twisted: :lol:
by MartinB
Sun Aug 11, 2019 8:01 am
Forum: general
Topic: Today I received.....
Replies: 5492
Views: 441919

Re: Today I received.....

Looks like they copied this guy’s design...... [-X :- :D

SlowBox.pdf
(305.68 KiB) Downloaded 39 times
by MartinB
Sat Aug 10, 2019 4:20 pm
Forum: hardware
Topic: BBC B speaker - solved
Replies: 18
Views: 567

Re: BBC B speaker

But yes, that would be awesome if you could pop them in the post for me!! Ok, no worries 👍 - we're travelling tomorrow as well and have to set up camp (literally) so it’ll be hopefully be early next week for posting but I’ll keep you informed. I’ll PM my email address to you shortly, reply to that ...
by MartinB
Sat Aug 10, 2019 2:32 pm
Forum: hardware
Topic: BBC B speaker - solved
Replies: 18
Views: 567

Re: BBC B speaker

Thank-you Mark 👍

C6C308BF-2CC5-4354-9F73-4C3CDFE11927.jpeg

Tea, milk two sugars please.... :D
by MartinB
Sat Aug 10, 2019 8:38 am
Forum: hardware
Topic: BBC B speaker - solved
Replies: 18
Views: 567

Re: BBC B speaker

Yes, I guess there’s a fine line between generosity and stupidity.... :-k

(...and Colday will probably disappear for another week now.... 😩)
by MartinB
Sat Aug 10, 2019 7:54 am
Forum: hardware
Topic: BBC B speaker - solved
Replies: 18
Views: 567

Re: BBC B speaker

Hello again - I brought the items away with me and some packing so if you don’t mind waiting a few days until we’re settled in to our hols, I’ll get them off to you? Let me know again on here and I can PM you an email address if you’re still interested.
by MartinB
Fri Aug 09, 2019 10:52 am
Forum: projects
Topic: Is an MMC DFS/TAPE hybrid FS with PAGE at &E00 feasible? (was DFS)
Replies: 18
Views: 958

Re: Is an MMC DFS/TAPE hybrid FS with PAGE at &E00 feasible? (was DFS)

Somewhere , as a proof-of-concept project, I have a patched version of Beeb OS1.2 where I modified the CFS code such that whenever a byte was required, instead of it coming from tape via the serial chip, I served it up via the UPURS (viz UPCFS>UEF) engine. It only supported CFS reading and had a co...
by MartinB
Fri Aug 09, 2019 6:55 am
Forum: projects
Topic: Is an MMC DFS/TAPE hybrid FS with PAGE at &E00 feasible? (was DFS)
Replies: 18
Views: 958

Re: Is an MMC DFS/TAPE hybrid FS with PAGE at &E00 feasible? (was DFS)

Copy protection may well be a factor but only if the alternative loader doesn't 100% replicate CFS. Because UPCFS was a 'bonus' feature of UPURS where the latter is not a stand-alone FS rom, I had to do extensive vector-stealing and endeavour to hide lots of code ditties in ram holes in the hope tha...
by MartinB
Thu Aug 08, 2019 5:33 pm
Forum: projects
Topic: Is an MMC DFS/TAPE hybrid FS with PAGE at &E00 feasible? (was DFS)
Replies: 18
Views: 958

Re: Is an MMC DFS/TAPE hybrid FS with PAGE at &E00 feasible? (was DFS)

The UPURS rom contains exactly this functionality in the form of UPCFS . It loads games etc in UEF format directly from a PC via the UPURS high-speed serial link decoding the UEF chunks and extracting/loading the 'tape' data blocks on the fly. Speed-wise, its not much slower than disc loading with t...
by MartinB
Thu Aug 08, 2019 5:50 am
Forum: wanted
Topic: Wanted : PSU for elk data recorder
Replies: 10
Views: 423

Re: Wanted : PSU for elk data recorder

The one in the pic does look to be an unusual form but just checked my AL03 deck (I don’t have a stock PSU either) and it is actually just a standard 3.5mm OD 2-pole audio-style jack.
by MartinB
Wed Aug 07, 2019 9:14 pm
Forum: hardware
Topic: BBC B speaker - solved
Replies: 18
Views: 567

Re: BBC B speaker

I could do you the two below for a fiver plus First or Second postage as required at cost, all PP Gift? Be sharp if you want to check elsewhere first (maybe Retroclinic? 8) ) because I’d have to post by Friday latest as we’re away on hols for a while from Saturday onwards. Anyway, let me know on her...
by MartinB
Wed Aug 07, 2019 7:32 pm
Forum: wanted
Topic: Wanted : PSU for elk data recorder
Replies: 10
Views: 423

Re: Wanted : PSU for elk data recorder

This is the unit I always perceive as the Electron cassette player/recorder - an ALF03.........


77885C93-F2ED-45C5-804E-19C8471011DF.jpeg

and this is the associated PSU.....

6B3B0606-49D7-49AE-B80D-F835E65BA825.jpeg



.