Search found 74 matches

by Mince
Sun Nov 29, 2020 3:02 pm
Forum: 8-bit acorn hardware
Topic: Choosing a slice of Pi
Replies: 20
Views: 339

Re: Choosing a slice of Pi

I use a 3A+ for both my internal Master one and the external one on the Electron (which is in a largely closed plastic box, except for a small slot to bring out the ribbon cable) — they're the only model A Pis I have. They're slightly smaller and use a bit less power than a B+ (at least on the spec ...
by Mince
Wed Nov 25, 2020 11:29 pm
Forum: 8-bit acorn hardware
Topic: RGB to HDMI using a Pi Zero and a small CPLD
Replies: 1284
Views: 106952

Re: RGB to HDMI using a Pi Zero and a small CPLD

I've left V sync type = Auto and set Video Type = Interlaced and I still get 312 lines. If I also change V sync type = Interlaced, too (so both say Interlaced), it still says 312: I don't get the "(625 Interlaced)" bit. It'll take me a little time to try running some tests as I'm not familiar with t...
by Mince
Wed Nov 25, 2020 9:43 pm
Forum: 8-bit acorn hardware
Topic: RGB to HDMI using a Pi Zero and a small CPLD
Replies: 1284
Views: 106952

Re: RGB to HDMI using a Pi Zero and a small CPLD

Thanks... I've attached the Source Summary for when the Geometry is set to Progressive (I assume it doesn't matter which, though: all that looks different to me is a slightly different Pixel clock and CPLD clock, but that seems to change anyway). This in regular 80 column text mode: capture4.png Do ...
by Mince
Tue Nov 24, 2020 12:16 am
Forum: 8-bit acorn hardware
Topic: RGB to HDMI using a Pi Zero and a small CPLD
Replies: 1284
Views: 106952

Re: RGB to HDMI using a Pi Zero and a small CPLD

EDIT: Here is an updated Commodore 128 50Hz/PAL profile: Commodore_128-80col.txt ... This profile will need some minor adjustment as there are a couple of things that can only be set with actual hardware: I've tested the new colour palette on my 128DCR and it looks much better, thanks. The dark yel...
by Mince
Wed Nov 18, 2020 10:47 pm
Forum: 8-bit acorn software: other
Topic: BBC Master & Electron function key strip templates in OmniGraffle
Replies: 0
Views: 79

BBC Master & Electron function key strip templates in OmniGraffle

I thought I'd post this here as I'm sure someone might find this useful... I made some function key strip templates for the BBC Master and Electron using OmniGraffle (on the Mac, but I'm sure it would work in Windows). I've tried to do them as useful templates so you can duplicate and change the lay...
by Mince
Wed Nov 18, 2020 9:48 pm
Forum: 8-bit acorn software: other
Topic: BBC Basic for Z80
Replies: 35
Views: 6108

Re: BBC Basic for Z80

Resurrecting this old thread, I'm trying to run Z80 BASIC on the Electron with a PiTubeDirect FerDeLance with elk_mode=1. I also have the RH Plus 1 ROM. I have Z80 BASIC in bank 3 but and selected with *LANG 3. When I Ctrl+Break, I get a message telling me to insert the CP/M system disc before I get...
by Mince
Wed Nov 18, 2020 11:50 am
Forum: 8-bit acorn hardware
Topic: Electron modern storage options
Replies: 5
Views: 232

Re: Electron modern storage options

Unless you have a hankering for ADFS then it's difficult to justify anything other than the ElkSD64: not only does it do all the things everyone's already described but it uses the SWRAM version of MMFS and so doesn't raise PAGE beyond &E00 (which is where it'd be on a tape-only system) as a regular...
by Mince
Mon Nov 16, 2020 12:05 am
Forum: 8-bit acorn hardware
Topic: RGB to HDMI using a Pi Zero and a small CPLD
Replies: 1284
Views: 106952

Re: RGB to HDMI using a Pi Zero and a small CPLD

IanB wrote:
Sun Nov 15, 2020 7:35 pm
Did you re-run the calibration after changing the multiplier?
Doh, no I didn't! If re-run it, the picture improves, but I think it's pretty much the same as the 8x mode, so I guess I might as well stick with that.

Thanks for your help (again).
by Mince
Sun Nov 15, 2020 12:47 pm
Forum: for sale / freebies
Topic: For sale: RGBtoHDMI boards
Replies: 104
Views: 5223

Re: For sale: RGBtoHDMI boards

I've received a new batch of boards so will be sending them out over the next couple of weeks. ... Built: Mince 1x RGB ... Yes, please — definitely still would like one! Thanks again — both for making these and your continued work on the software. Just to confirm: I'm hoping to use it with a Commod...
by Mince
Sun Nov 15, 2020 12:38 pm
Forum: 8-bit acorn hardware
Topic: RGB to HDMI using a Pi Zero and a small CPLD
Replies: 1284
Views: 106952

Re: RGB to HDMI using a Pi Zero and a small CPLD

There is a new software build available here: https://github.com/hoglet67/RGBtoHDMI/releases/tag/20201113_0471da6 Direct link: https://github.com/hoglet67/RGBtoHDMI/releases/download/20201113_0471da6/RGBtoHDMI_20201113_0471da6.zip Thanks for this! This new version seems to solve about 90% of the ji...
by Mince
Wed Nov 11, 2020 4:59 pm
Forum: 8-bit acorn hardware
Topic: Why Shift Lock?
Replies: 24
Views: 653

Re: Why Shift Lock?

I think the concept of Caps Lock was a bit novel back then: maybe they thought people used to typewriters would be used to Shift Lock. Commodore only started putting on Caps Lock with the 128, although Apple had one with the Apple II. Maybe Acorn were just covering both bases. It is a truly irritati...
by Mince
Tue Nov 10, 2020 10:45 pm
Forum: 8-bit acorn software: other
Topic: Acornsoft Graphics Extension ROM (GXR) for the Electron
Replies: 18
Views: 681

Re: Acornsoft Graphics Extension ROM (GXR) for the Electron

Superb! Thanks for that — if I spent less time mucking about, it's what I would have tried to do (although probably failed).

It's all working beautifully on my Electron, with and without the PiTubeDirect.

(And thanks for drawing my attention to ElkTubeElite, too!)
by Mince
Mon Nov 02, 2020 5:30 pm
Forum: 8-bit acorn hardware
Topic: Which BBC model to get?
Replies: 6
Views: 305

Re: Which BBC model to get?

I second that. I also think the Master has lots of stuff in the OS which you would have to add on to a B, like the ability to INSERT and UNPLUG sideways ROM/RAM and configure startup filing systems (all battery backed-up) and, if you install a RetroClinic 4-way MultiOS, you'll get the option of MOS ...
by Mince
Sat Oct 31, 2020 3:29 pm
Forum: 8-bit acorn software: other
Topic: MMFS Version 2
Replies: 368
Views: 2645

Re: SD card without the MMB file (aka MMFS2)

FWIW, I find it absolutely incredible that MMFS1/2 manages to fit the FAT32 filesystem code, the DFS (including the raw disc emulation OSWORDs and stuff) into 16KB. We waste more than that in the icons for software these days. I think that if a few foibles of MMFS2 (like the only-DSD for drives 2 an...
by Mince
Thu Oct 29, 2020 10:44 pm
Forum: 8-bit acorn hardware
Topic: BREAK+key to reset language on AP6 ROM?
Replies: 4
Views: 187

Re: BREAK+key to reset language on AP6 ROM?

Thanks both. I do have an inline power switch which is easy to use*, but it seemed a bit overkill (literally!) and I'm always worried about powercycling older things. I can usually type *LANG B, but I was wondering if there was another way. I had noticed that if you set the AP6 Plus 1 ROM as the lan...
by Mince
Thu Oct 29, 2020 10:37 pm
Forum: 8-bit acorn software: other
Topic: Acornsoft Graphics Extension ROM (GXR) for the Electron
Replies: 18
Views: 681

Acornsoft Graphics Extension ROM (GXR) for the Electron

The User Guide for the GXR states that the GXR can be used in the Electron, after being placed in a cartridge for the Plus 1. I've tried versions 1.20 (for OS 1.2 / B) and 2.00 (for OS 2.0 / B+) from mdfs.net, loaded into SRAM and they both give a message like "GXR 1.20 is not compatible with OS 1.0...
by Mince
Thu Oct 29, 2020 5:36 pm
Forum: 8-bit acorn hardware
Topic: BREAK+key to reset language on AP6 ROM?
Replies: 4
Views: 187

BREAK+key to reset language on AP6 ROM?

This is probably a JGH question but fairly often my Electron with the AP6 ROM (with a Tube and other stuff) resets to ROM 0 or some other ROM being the language, after running a game or something. I'm guessing this is caused by something stamping on the workspace &0D6D or something, perhaps trying t...
by Mince
Wed Oct 28, 2020 10:09 pm
Forum: 8-bit acorn hardware
Topic: 2nd Batch of the New AP6 and probably the last batch!
Replies: 20
Views: 1508

Re: 2nd Batch of the New AP6 and probably the last batch!

Thanks for confirming — no, it's not a problem in that I'd still very much like one of the boards, when they're available. [My (de)soldering ability is something else, but that's my problem and not yours!] It would certainly be helpful if you were able to supply the sockets with the board, too. Than...
by Mince
Wed Oct 28, 2020 7:19 pm
Forum: 8-bit acorn hardware
Topic: 2nd Batch of the New AP6 and probably the last batch!
Replies: 20
Views: 1508

Re: 2nd Batch of the New AP6 and probably the last batch!

Sounds excellent! Not that I'm in the first five (and I don't know how many you're planning) but I'm just checking how this connects to the board in the Plus 1... It looks like there are 4 headers: HDR 1 into IC14 — the Plus 1's 8K ROM socket HDR 2 into IC1 HDR 3 into IC6 HDR 4 into IC11 On my Plus ...
by Mince
Tue Oct 27, 2020 5:48 pm
Forum: for sale / freebies
Topic: Printer port MMFS boards
Replies: 61
Views: 1283

Re: Printer port MMFS boards

JasonStonier wrote:
Tue Oct 27, 2020 8:42 am
Wow, that is tight. I think I'm 2 or 3mm too deep. Once my boards arrive can I send you one to try a fit?

...
Of course, let me know when you're ready, or if you want anything else measuring or checking.
by Mince
Mon Oct 26, 2020 10:09 pm
Forum: for sale / freebies
Topic: Printer port MMFS boards
Replies: 61
Views: 1283

Re: Printer port MMFS boards

Maybe... :) Here's my Master with one of Steve Picton's MMC User Port boards and a ruler. The side opposite the connectors on the motherboard slopes slightly inwards at the bottom of the trough. IMG_5367.jpg I would say that the MMC board could be about 3mm longer and still fit in the connector (all...
by Mince
Sun Oct 25, 2020 5:23 pm
Forum: 8-bit acorn software: other
Topic: MMFS Version 2
Replies: 368
Views: 2645

Re: SD card without the MMB file (aka MMFS2)

One quick bug: I don't seem to be able to *DIN drives 2 and 3, although 0 and 1 work fine. If I do *DIN 3 FILE.SSD, I don't get an error but a *CAT gives "Disc sector not found at :3 00/00". It makes no difference if I do that or *DRIVE 3 / *DIN FILE.SSD. The file and card are fine, I think, as it w...
by Mince
Sun Oct 25, 2020 4:15 pm
Forum: 8-bit acorn software: other
Topic: MMFS Version 2
Replies: 368
Views: 2645

Re: SD card without the MMB file (aka MMFS2)

Thanks very much -- this is an excellent development! I have had a quick test and it seems to work fine, although there's a mistake on line 64 of build.ssd, with a couple of extraneous commas in ${system,,}. I'll give this a good exercise later! I presume the problem with *DDRIVE is it just doesn't ...
by Mince
Sat Oct 24, 2020 2:57 pm
Forum: 8-bit acorn hardware
Topic: My system doesn't like Zalaga
Replies: 16
Views: 583

Re: My system doesn't like Zalaga

Gee, thanks for that... now my home office sounds like my high school computer room on a Friday lunchtime! :)
by Mince
Sat Oct 24, 2020 12:50 am
Forum: 8-bit acorn hardware
Topic: Thinking about PiTube
Replies: 11
Views: 334

Re: Thinking about PiTube

Yup - the Z80 and ARM versions do (for those processors). They often have some cleverness to handle the differences, too, so they will detect CALLs to the MOS routine locations on the 6502 (like OSBYTE) and translate the register variables into the equivalent registers and so some of those things st...
by Mince
Fri Oct 23, 2020 11:52 pm
Forum: 8-bit acorn hardware
Topic: Thinking about PiTube
Replies: 11
Views: 334

Re: Thinking about PiTube

There is also Microsoft BASIC for the 6809, loadable as a language ROM. Brings back all those lovely memories of my TRS-80 Color Computer!
by Mince
Fri Oct 23, 2020 12:05 am
Forum: for sale / freebies
Topic: Printer port MMFS boards
Replies: 61
Views: 1283

Re: Printer port MMFS boards

I'd be interested in a built one without the EPROM. Thanks!

(My soldering is terrible but I can at least burn my own EPROMs!)
by Mince
Fri Oct 09, 2020 4:47 pm
Forum: 8-bit acorn hardware
Topic: Acorn Electron storing system
Replies: 8
Views: 367

Re: Acorn Electron storing system

Oh, sorry — one other thing. The MMFS in both ElkSD64 and ElkSD Plus1 is the type that uses the sideways area for the filing system workspace, so it doesn't raise PAGE from &E00 to &1900, as a normal DFS would do. So you can generally run all the same software that you would on tape, without having ...
by Mince
Fri Oct 09, 2020 3:28 pm
Forum: 8-bit acorn hardware
Topic: Acorn Electron storing system
Replies: 8
Views: 367

Re: Acorn Electron storing system

You just copy the BEEB.MMB to the root directory on the SD card. MMFS (built into the ElkSD64 and ElkSD Plus 1) will read that file and show you the list of available discs with *DCAT; you can put a particular virtual disc in the a virtual drive with '*DIN discnum drivenum'. There are tools availabl...
by Mince
Sat Oct 03, 2020 9:17 pm
Forum: for sale / freebies
Topic: For sale: RGBtoHDMI boards
Replies: 104
Views: 5223

Re: For sale: RGBtoHDMI boards

You don't need the W, but you do need the header, I don't think I had one supplied with my first one (the RGBtoHDMI). If you buy a non-H version, you need to get one and solder it on yourself. If you want the reset button to work, you'll need to solder on a small two-pin header onto your Pi Zero, ne...

Go to advanced search