Search found 6391 matches

by hoglet
Mon Oct 23, 2017 7:36 am
Forum: acorn atom
Topic: Matchbox sized 6502 / Z80 / 6809 Co Pro
Replies: 1191
Views: 79456

Re: Matchbox sized 6502 / Z80 / 6809 Co Pro

and the 6502 I had in was new (couple of years ago now) as when I got the BBC it had a 65C02 in it which works just some games will not load as they use unofficial op codes. Can you post a photo of the markings on the underside of the 6502? The 65C02 will be able to drive the data bus to higher lev...
by hoglet
Sun Oct 22, 2017 9:40 pm
Forum: hardware
Topic: M3000 vs M5000
Replies: 36
Views: 1138

Re: M3000 vs M5000

Are you sure about this? My pin counting says: - IC32 pin 7 (1MHz Bus D4) -> IC35 pin 10 - IC32 pin 13 (1MHz Bus D7) -> IC14 pin 1 You win I think... - IC32 pin 7 (1MHz Bus D5) -> IC35 pin 10 - IC32 pin 13 (1MHz Bus D6) -> IC14 pin 1 That would make the address D7=0 D6=1 D5=0 D4=1 i.e. 0x5x
by hoglet
Sun Oct 22, 2017 9:14 pm
Forum: acorn atom
Topic: Matchbox sized 6502 / Z80 / 6809 Co Pro
Replies: 1191
Views: 79456

Re: Matchbox sized 6502 / Z80 / 6809 Co Pro

Dave do you have a 6502 CPU in your BBC or a 65C02 ? I have a SY6502A date code 8337 (identical to yours which is a bit spooky) Tube Elite has been running 3 hours now. Have just put a 65C02 in mine (as that’s the only other processor I have) to test it so far so good (10min). Will check again tomo...
by hoglet
Sun Oct 22, 2017 7:35 pm
Forum: acorn atom
Topic: Matchbox sized 6502 / Z80 / 6809 Co Pro
Replies: 1191
Views: 79456

Re: Matchbox sized 6502 / Z80 / 6809 Co Pro

I know Trixter and RobC are running the latest firmware (that's what I choose to call it, as it's stored in non-volatile memory!)

Anyone else updated yet?
by hoglet
Sun Oct 22, 2017 7:29 pm
Forum: hardware
Topic: M3000 vs M5000
Replies: 36
Views: 1138

Re: M3000 vs M5000

The Music 5000 only enables writes when a value in the range &30-&3F is written to the &FCFF paging register. The Music 3000 is identical to the Music 5000, except it uses a different page range (currently unknown). This "address" that the Music 5000 responds to is controlled b...
by hoglet
Sun Oct 22, 2017 6:39 pm
Forum: acorn atom
Topic: Matchbox sized 6502 / Z80 / 6809 Co Pro
Replies: 1191
Views: 79456

Re: Matchbox sized 6502 / Z80 / 6809 Co Pro

Lets see what Dave comes up with 1st, take it your testing this in a BBC Model B Dave. Yes, and it's been OK for 30 minutes. I take it it requires special software to program the device? It needs Xilinx Impact (freely downloadable) plus a cable like this: http://www.ebay.co.uk/itm/Xilinx-Platform-U...
by hoglet
Sun Oct 22, 2017 6:16 pm
Forum: acorn atom
Topic: Matchbox sized 6502 / Z80 / 6809 Co Pro
Replies: 1191
Views: 79456

Re: Matchbox sized 6502 / Z80 / 6809 Co Pro

The only difference with this one is it is the first I have sent out with Dave's latest bitware (there is a better word then firmware! ) : LX9CoProCombined_20171007_0719_dmb OK, that's very interesting. There have only been 7 downloads of that version, so it's possible there is a stability issue. I...
by hoglet
Sun Oct 22, 2017 3:54 pm
Forum: acorn atom
Topic: ICE T65/Z80/6809
Replies: 573
Views: 24555

Re: ICE T65/Z80/6809

Maybe worth starting a new trouble-shooting thread for this sick Beeb? In the mean time... Comparing your memory dump of D9xx with mine, all of the lower nibbles match exactly. So the problem seems to be something is dragging down the upper (I think) three bits of the data bus: D7, D6 and D5. Can y...
by hoglet
Sun Oct 22, 2017 3:22 pm
Forum: acorn atom
Topic: ICE T65/Z80/6809
Replies: 573
Views: 24555

Re: ICE T65/Z80/6809

I have a Basic ROM! As in that's the only extra hardware? Or you can see the Basic ROM? This Beeb was working fine until I tried to add my MaxRAM board. I then broke it and even after I took my board out it still does not work. It will be down to me physically damaging something. Ah, so the Beeb wa...
by hoglet
Sun Oct 22, 2017 2:42 pm
Forum: acorn atom
Topic: Converting files to wav format
Replies: 1
Views: 30

Re: Converting files to wav format

It's a command line tool. Are you running it from a windows "Command Prompt" shell?
by hoglet
Sun Oct 22, 2017 2:35 pm
Forum: acorn atom
Topic: Matchbox sized 6502 / Z80 / 6809 Co Pro
Replies: 1191
Views: 79456

Re: Matchbox sized 6502 / Z80 / 6809 Co Pro

Elite running on Pi 3 CoPro for 3hrs now, not a single pixel out of place, so guess my hardware is fine :D I think all you can say for sure is that your system is fine for Pi Tube Direct. There are so many differences between the implementations of Pi Tube Direct and Matchbox that it's dangerous to...
by hoglet
Sun Oct 22, 2017 2:20 pm
Forum: acorn atom
Topic: ICE T65/Z80/6809
Replies: 573
Views: 24555

Re: ICE T65/Z80/6809

OK, I have to admit I have absolutely no idea what's going wrong here!

What other hardware is installed in your Beeb?
by hoglet
Sun Oct 22, 2017 11:31 am
Forum: acorn atom
Topic: Matchbox sized 6502 / Z80 / 6809 Co Pro
Replies: 1191
Views: 79456

Re: Matchbox sized 6502 / Z80 / 6809 Co Pro

But it’s starting to look like I have either a faulty CoPro or it has the wrong firmware in it as I think I am correct in saying they use much the same code as in the Pi CoPro. No, they are actually very different: - PiTubeDirect is emulating the processors in software, so the "firmware" ...
by hoglet
Sun Oct 22, 2017 11:21 am
Forum: acorn atom
Topic: ICE T65/Z80/6809
Replies: 573
Views: 24555

Re: ICE T65/Z80/6809

And one more thing... >> f 0000 7fff ff Wr: 0000 to 7FFF = FF >> m 0 0000 FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF ................ 0010 FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF ................ 0020 FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF ................ 0030 FF FF FF FF FF F...
by hoglet
Sun Oct 22, 2017 11:16 am
Forum: acorn atom
Topic: ICE T65/Z80/6809
Replies: 573
Views: 24555

Re: ICE T65/Z80/6809

Hmm, that's not good. Somehow the opcode for STA &0D00 (== &8D) is being read back as ORA &0D00 (== &0D) Can you try the following (i.e. everything three times): >> m d900 D900 A9 40 4C 9D C5 A9 20 24 D0 50 C0 D0 BE 20 C2 D7 .@L... $.P... .. D910 F0 05 48 20 64 C6 68 60 A9 BD 20 A8 C...
by hoglet
Sun Oct 22, 2017 11:09 am
Forum: acorn atom
Topic: Matchbox sized 6502 / Z80 / 6809 Co Pro
Replies: 1191
Views: 79456

Re: Matchbox sized 6502 / Z80 / 6809 Co Pro

I bought if from flynnjs http://www.sundby.com/index.php/project/matchbox/ its a rev. "A" I would not know what revision the firmware is, how do I see that? There is no easy way to tell from the hardware, you'll need to ask Jason. Also still curious about the switches as I commented that ...
by hoglet
Sun Oct 22, 2017 10:28 am
Forum: hardware
Topic: GoSDC for Electron and adfs issue
Replies: 7
Views: 93

Re: GoSDC for Electron and adfs issue

On the eBay Beeb group, John was very clear that one of the strengths of GoSDC (over other solutions like Data Centre) was it's ability to work with ADFS images. Why not go back to John for some more support?
by hoglet
Sun Oct 22, 2017 10:18 am
Forum: acorn atom
Topic: ICE T65/Z80/6809
Replies: 573
Views: 24555

Re: ICE T65/Z80/6809

The two boards I have are configured differently. This is the one I was using. What's the other one look like? I'm assuming the three "resistors" used to link to the power supply planes are 0 ohms. Can you measure them to check. I'm slightly concerned that JPA1 and JPB1 are made. This cau...
by hoglet
Sun Oct 22, 2017 9:58 am
Forum: acorn atom
Topic: Matchbox sized 6502 / Z80 / 6809 Co Pro
Replies: 1191
Views: 79456

Re: Matchbox sized 6502 / Z80 / 6809 Co Pro

These sort of issues are very difficult to resolve, especially if you haven't got other Beebs you can test with. While it is possible it's this particular Matchbox that is flaky, about 100 of these have shipped now and most of the reproducible problems in the field early on were down to inadequate d...
by hoglet
Sat Oct 21, 2017 9:42 pm
Forum: acorn atom
Topic: ICE T65/Z80/6809
Replies: 573
Views: 24555

Re: ICE T65/Z80/6809

My boards are configured very differently but probably OK as all the pull ups are fitted on the top and not the bottom. I will give it a check tomorrow. I am signing off for the night thanks for your help. Does the Beeb boot at all? What you get a moment can you post a photo of the jumpers and pull...
by hoglet
Sat Oct 21, 2017 9:08 pm
Forum: acorn atom
Topic: ICE T65/Z80/6809
Replies: 573
Views: 24555

Re: ICE T65/Z80/6809

Looking good. Are you happy configuring the power jumpers on Jason's level shifter? The connections I made were: - JPA1 and JPB1 left open (important!) - jumper pins 1 and 21 to 0v (the outside plane) - jumper pin 8 to 5v (the inside plane) Picture here: http://stardot.org.uk/forums/viewtopic.php?p=...
by hoglet
Sat Oct 21, 2017 8:39 pm
Forum: acorn atom
Topic: ICE T65/Z80/6809
Replies: 573
Views: 24555

Re: ICE T65/Z80/6809

1) What is the difference between the "lx9_mini_orig.mcs" file and the "ice6502.mcs" file and which one should I be using? Definitely use ice6502.mcs. I think lx9_mini_orig.mcs is an old file that has got accidentally included in the release package - just ignore it. 2) Once the...
by hoglet
Fri Oct 20, 2017 7:55 pm
Forum: hardware
Topic: Pi-based Co-Pro on the cheap - 100MHz 6502 for £10? (now 274MHz)
Replies: 976
Views: 69039

Re: Pi-based Co-Pro on the cheap - 100MHz 6502 for £10? (now 274MHz)

This does sound like a cabling or connector tarnish issue. Do keep us posted on progress.
by hoglet
Fri Oct 20, 2017 5:34 pm
Forum: hardware
Topic: Pi-based Co-Pro on the cheap - 100MHz 6502 for £10? (now 274MHz)
Replies: 976
Views: 69039

Re: Pi-based Co-Pro on the cheap - 100MHz 6502 for £10? (now 274MHz)

KenLowe wrote:It might be worth repeatedly removing and re-inserting the ribbon cable to try and clean them up a bit and then try again.

If you have never used the Tube connector before, then this is definitely worth doing. Anecdotally, it takes about 10-20 insert/remove cycles to clean a tarnished socket.
by hoglet
Fri Oct 20, 2017 5:28 pm
Forum: hardware
Topic: Pi-based Co-Pro on the cheap - 100MHz 6502 for £10? (now 274MHz)
Replies: 976
Views: 69039

Re: Pi-based Co-Pro on the cheap - 100MHz 6502 for £10? (now 274MHz)

I'm also puzzled to know why the external supply doesn't work. I assume the PI does power up with the external PSU? That might be related to the reset issue. If the Pi is getting powered up first, and then not seeing a reset from the Beeb, then initial reset message will be lost. Does anything chan...
by hoglet
Fri Oct 20, 2017 4:39 pm
Forum: hardware
Topic: Pi-based Co-Pro on the cheap - 100MHz 6502 for £10? (now 274MHz)
Replies: 976
Views: 69039

Re: Pi-based Co-Pro on the cheap - 100MHz 6502 for £10? (now 274MHz)

Thanks for the photos - I can't see anything obviously wrong there. Does it always power up successfully, and always fail on a subsequent BREAK? If so, from the symptoms, I'm wondering if there is a break somewhere in the reset line between the Beeb and the Pi. This would explain why it's recognised...
by hoglet
Fri Oct 20, 2017 7:08 am
Forum: hardware
Topic: 6502 second processor poll
Replies: 38
Views: 883

Re: 6502 second processor poll

(Way back in December, Kjell had already shipped over 100 converter boards for PiTubeDirect users - with some ten months of sales since then, the numbers of people with access to 6502 second processor function must be pretty high now.) By August this year he had shipped 200. http://www.sundby.com/i...
by hoglet
Thu Oct 19, 2017 9:30 pm
Forum: hardware
Topic: Pi-based Co-Pro on the cheap - 100MHz 6502 for £10? (now 274MHz)
Replies: 976
Views: 69039

Re: Pi-based Co-Pro on the cheap - 100MHz 6502 for £10? (now 274MHz)

It's hard to make anything out on that photo, as it's only 400px wide! I'm just trying to avoid asking you loads of point questions about your setup - a few decent pictures can really help. I'd like to be able to see the Issue of the main board, what sort of 6502 is fitted, any other atypical hardwa...
by hoglet
Thu Oct 19, 2017 9:11 pm
Forum: hardware
Topic: Pi-based Co-Pro on the cheap - 100MHz 6502 for £10? (now 274MHz)
Replies: 976
Views: 69039

Re: Pi-based Co-Pro on the cheap - 100MHz 6502 for £10? (now 274MHz)

Can you post a few pictures of your setup, including the insides of the Beeb?
by hoglet
Thu Oct 19, 2017 8:59 pm
Forum: hardware
Topic: Pi-based Co-Pro on the cheap - 100MHz 6502 for £10? (now 274MHz)
Replies: 976
Views: 69039

Re: Pi-based Co-Pro on the cheap - 100MHz 6502 for £10? (now 274MHz)

I think the problem is you 32K RAM board, even when disabled, seems to stop PiTubeDirect working reliably. Another user (KenLowe) discovered this a few months ago: http://stardot.org.uk/forums/viewtopic.php?p=172451#p172451 I don't have access to one of these, so I've not had a chance to debug the i...

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