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For Linux, for making schematics I use gschem, part of gEDA ( link ). It does take a little getting used to. But once you have the hang of it, it's quite quick and easy. Although when reverse engineering, I draw on paper using a propelling pencil, but with the chips drawn in pen. Only when I'm happ...

Would need the schematic circuit diagram, as there are a number of configurations for the LM1889N. It has different sections that can be used differently depending on the requirements. Mark OK thanks for responding. There does not appear to be any circuit diagrams already so I would need to start f...

Hi After recapping my BBC B and Acorn A3000(usual battery damage) with help from Stardot, I have been trying to repair my childhood Videomaster Star Chess game. https://retroordenadoresorty-blogspot-com.translate.goog/2019/05/consola-videomaster-star-chess-1979.html?_x_tr_sl=es&_x_tr_tl=en&_...

tricky wrote: ↑Tue Sep 12, 2023 3:08 pm
If they are flagged do not reorder, they *may* just work, but I haven't tried any and don't have any gotek beebs out at the moment.

I gave it a go but no luck. I forgot that they are also double density format which may be the reason! Thanks.

Was anyone else brave enough to try the GUI https://stardot.org.uk/forums/viewtopic.php?p=391126#p391126 ? I know it is windows and there are a lot of non-windows people here! I have attached an updated version of bbcmicro_parser.exe with the *RUNable !BOOT support as above. Great, I have been usin...

I don't usually try to be OS friendly as I'm just going to kick it out anyway, but I tried with the menu, so I do a few *FX calls: *FX 4,1 ; makes the cursor and copy keys just return ordinary key codes, restore with *FX 4,0 *FX 11,25 ; set keyboard auto repeat delay to 25, restore to the default w...

I'll see if I can fix it, but I might have added it to the !BOOT, or rather the __001__ file which is the renamed !BOOT for each disc. If so, it was a request but I can't remember from whom. If that is the case, I can add a command line option to do it/not do it. I want to go back and fix the limit...

hoglet wrote: ↑Thu Aug 31, 2023 8:15 am

jpagen wrote: ↑Wed Aug 30, 2023 9:06 pm Thanks for the suggestion...unfortunately didn't work for me. I also tried *FX 230 which I read toggles "normal ESCAPE key action" but that didn't work either.

Try:

Code: Select all

*FX 229,0

Dave

That didn't work either but thanks for the suggestion!

Thanks to Tricky for releasing this tool to help navigate through all my ssds! Is there a way to restore the default key actions for keys used by the Menu especially <ESCAPE> after a selected ssd loads? *FX4 reinstates the cursor keys but I have been unable to find out how to restore the ESCAPE key...

Thanks to Tricky for releasing this tool to help navigate through all my ssds! Is there a way to restore the default key actions for keys used by the Menu especially <ESCAPE> after a selected ssd loads? *FX4 reinstates the cursor keys but I have been unable to find out how to restore the ESCAPE key ...

I think the other problem is the Master version makes use of the 65C02 instruction set which the BBC does not support unless you change the 6502A to a 65C02 CPU. And I think it is hard coded to use the default RAM banks 4,5,6,7 it would need digging through the code to change that all, no idea how ...

Hi Appreciate this is an old thread but I would appreciate any help on a Crazee Rider related question. I have been trying to get the enhanced version to run an my model B with the Ifel RAM/ROM board fitted The Ifel board SRAM is in banks 4,5,8 and 9 etc but I think the enhanced Crazee Rider is expe...

Hi All Just to share my experiences in case it helps anyone...although this discussion has been going for a while so everyone may be sorted now. My Beeb specs BBC Model B issue 7 fitted with - Watford Electronics DDFS interface(1770FDC) and 1.54T DDFS ROM IFEL RAM/Rom board Turbo SPI. MMFS2 ROM ADT ...

The problem very poorly reported is that the program needs to add an extra !BOOT to get back to the master menu and renamed the previous one, but there is no room in the catalog for an extra file. PS I guess that the workaround is to make the new !BOOT have the old one plus the new one in a single ...

This has been really useful navigating my disk images on my MMC. Thanks for developing and sharing! I have several ssds which report a message in the run.bat log. For example, when adding the following unzipped file to the menu- http://www.8bs.com/pool/tau/tau86-12.zip I read that the system needs a...

Hi All I have a significant number of DFS/DDFS disk images (ssds, dsds and img files). Some of the disk images may have the extended Watford Electronics catalog allowing 62 files. Does anyone know of a tool (Acorn BBC/RISCOS, DOS, MS Windows, Linux) which can scan all the disk images in a folder/sub...

That means a disk could be formatted with the head ID as zero on the first side and one on the second side on the basis that this describes their position on the physical media, or as zero on both sides on the basis that each is the first side of a complete logical medium as DFS treats each side se...

Have you had any success backing up double sided discs as dsd files? I can create scp and hfe files but if I try to write dsd files (specifying the acorn.dfs.ds format spec) side 0 is fine but side 1 reports an error as shown - Converting c=0-79:h=0-1 -> c=0-79:h=0-1 Format acorn.dfs.ds80 T0.0: IBM ...

Except it didn't work. Greaseweazle said it did but BeebJIT refused to recognise the files, saying that the tracks were truncated. Same here. Also tried 250 Bitrate which partially works for me. Some of the files on the resulting image were corrupt although the disk works fine on a real Beeb using ...

Hi All I have been attempting to use my old Watford Electronics 5.25" 40/80 double density floppy drive with a GreaseWeazle v4 to image some old BBC discs but I keep getting the No Index error using the current GW software v1.9. I am powering the drive with an external power source and it spins...

There are some models available from the Model menu in B-Em which pair the right hardware with a suitable ROM. I have tried different models but currently using the BBC B w 1770 FDC. In my real Beeb I have the Watford extension board as well as the Rom but don't know how or if there is a way to sel...

Just went back to the beeb which is showing 80 tracks.

The incorrect number of tracks is shown in BeebEm so I think the image itself is fine.
B-Em won't open the file at all using 1.53 or 1.54T DDFS rom

Thanks

As sweh says, that won't make any difference - it's just how it's laid out in the file so the gotek knows what it has to show back to the beeb when it asks for a specific track. What's it saying when you *CAT or *VERIFY? *CAT is reporting &E4(228 in decimal) tracks. *VERIFY is reporting &74...

Thank you for all the advice on creating double density images, copying between ADFS and DFS as well as *FX255. =D> I can now create double density image files! :D My IMG.CFG contains [ddfs::737280] secs=18 bps=256 id=0 cyls = 80 heads = 2 mode = mfm file-layout = sequential The only issue is the Be...

Hi I recently came across some boxes of old 5.25" floppy disks(approx 40 disks) which I last used in the 80's and I am currently creating images on my BBC B connected to a GOTEK. Issue 1 Some floppies are formatted as double density (I have the Watford Electronics DDFS 1.54T fitted). Is there a...

If you suspect faulty onboard RAM ICs rather than a trace or other issue, you could also try adding an A3000 4MB RAM expansion board. This bypasses the onboard RAM and having 4x as much memory is useful. If that is not the problem, at least you will still have the upgrade when you do sort it! The sm...

You have to set the filetypes on the Pi, they're in the filename to save time. Thanks sP1d3r! The filetypes are shown at the end of the filename. I did a count of all the files and folders and there are over 14000 so I would really need to find some way of automating the process of reading the file...

think that serial port transfer is a possibility also copying and renaming the files on the A3000, adding a comma and the filetype and transferring via a PC and USB drive using a DOS formatted floppy disk would work, if you have a PC with a 3.5" floppy drive or a USB floppy. Thanks. Just to ad...

sorry should have probably posted this to the software section rather than hardware!

Hi I am trying to transfer files between my A3000 and an Raspberry Pi running RISCOS. My A3000 has an ZIDEFS /SD card interface, and I have formatted the card with 4 partitions which I can successfully read and write to on the A3000. If I insert the SD Card in to the Pi, I can only read/write the fi...