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Search: Posts Made By: Niklas
Forum: Hardware mods 31 January 2021, 22:13
Replies: 100
Views: 9,203
Posted By Niklas
As your work is based on hoglet67's work, which...

As your work is based on hoglet67's work, which is released under GPL3, will you release the schematics/board layout for your modifications as open source?
Forum: support.Other 10 November 2020, 17:33
Replies: 8
Views: 1,237
Posted By Niklas
AmigaDOS has a list of all the current volumes in...

AmigaDOS has a list of all the current volumes in the system. The volume data structure is described here...
Forum: support.Hardware 04 November 2020, 21:27
Replies: 267
Views: 55,496
Posted By Niklas
One issue is that the shielding plate on the A500...

One issue is that the shielding plate on the A500 covers the HDMI output connector on the Raspberry Pi. This can be modded however (https://imgur.com/a/Ta98Lgr) (image courtesy of arnljot).

I...
Forum: support.Hardware 04 November 2020, 21:15
Replies: 267
Views: 55,496
Posted By Niklas
Hi there Hiddenevil. In theory it is possible,...

Hi there Hiddenevil. In theory it is possible, but it is not implemented today. The main issue with this approach is that the Amiga has such a low resolution and so few colors in relation to the...
Forum: support.Hardware 31 October 2020, 15:24
Replies: 10
Views: 732
Posted By Niklas
Not without some sort of modding. The necessary...

Not without some sort of modding. The necessary address lines are simply not available on the trapdoor connector.



What Jens did, as you can see at this point in the video...
Forum: Hardware mods 26 October 2020, 18:07
Replies: 23
Views: 4,877
Posted By Niklas
It is, he actually got it to run Pinball Dreams...

It is, he actually got it to run Pinball Dreams just today: https://twitter.com/Claude1079/status/1320767372853190659
Forum: support.Hardware 23 October 2020, 20:51
Replies: 1
Views: 359
Posted By Niklas
Open Laser Mouse

A free and open design for an optical mouse PCB that fits in a tank mouse case is available here: https://github.com/chris-jh/OpenLaserMouse

I'm planning to build one but haven't done so yet, so I...
Forum: support.Hardware 16 September 2020, 19:05
Replies: 267
Views: 55,496
Posted By Niklas
Yes certainly. In the file...

Yes certainly. In the file /etc/network/interfaces.d/tap0 you can set any address you like. The 192.168.2.x sub-net is referenced in the following places:


Software/ethernet/pi-config/tap0#L4...
Forum: support.Hardware 15 September 2020, 22:03
Replies: 267
Views: 55,496
Posted By Niklas
Yay, welcome to being an A314 user! :) Well done!...

Yay, welcome to being an A314 user! :) Well done!

This also reveals some quite important information: it seems that something has changed in the latest versions of Raspbian (the versions after...
Forum: support.Hardware 15 September 2020, 17:23
Replies: 267
Views: 55,496
Posted By Niklas
Start by not doing apt update/upgrade, and see if...

Start by not doing apt update/upgrade, and see if that works first.
Forum: support.Hardware 15 September 2020, 17:04
Replies: 267
Views: 55,496
Posted By Niklas
I have seen an issue that might be what you are...

I have seen an issue that might be what you are seeing. There is some problem with the latest two versions of Raspbian (which is now called Raspberry Pi OS) that would causes the problem that you...
Forum: support.Hardware 05 July 2020, 23:29
Replies: 267
Views: 55,496
Posted By Niklas
Hi IanS, In principle I see no reason...

Hi IanS,



In principle I see no reason why it couldn't be implemented on a Raspberry Pi instead of on a PC.



That makes sense.
Forum: Retrogaming General Discussion 04 July 2020, 10:25
Replies: 24
Views: 3,013
Posted By Niklas
Wow, awesome work! I'm very impressed. What...

Wow, awesome work! I'm very impressed.

What frequency is the FPGA-implemented CPU running at? Are you using the TG68K core or implemented your own? Will you release it as open source, or keeping...
Forum: support.Hardware 03 July 2020, 09:45
Replies: 4
Views: 430
Posted By Niklas
Hi aeberbach! I guess you found the file you are...

Hi aeberbach! I guess you found the file you are looking for, otherwise I have a local copy that I can send to you.





As talybont mentioned I have been hacking on something similar. Or I did...
Forum: Hardware mods 10 June 2020, 12:56
Replies: 24
Views: 4,925
Posted By Niklas
By not using the STROBE pin :) The POUT pin is...

By not using the STROBE pin :) The POUT pin is used as a clock that alternates between high and low for each byte transferred. Here...
Forum: support.Hardware 04 June 2020, 20:37
Replies: 267
Views: 55,496
Posted By Niklas
That's correct. Good luck, and have...

That's correct.



Good luck, and have fun! :)
Forum: Hardware mods 09 May 2020, 21:32
Replies: 23
Views: 4,526
Posted By Niklas
Today I took the time to look into this a bit...

Today I took the time to look into this a bit further.

In V1 of the adapter PCB I used a 74LVC16244 chip, which is a buffer/driver.
In V2 of the adapter PCB I used a couple of 74CBT16211 chips,...
Forum: Hardware mods 04 May 2020, 20:52
Replies: 23
Views: 4,526
Posted By Niklas
That was indeed the plan. And then...

That was indeed the plan.



And then that is what happened :) At some point I realized that having a somewhat large FPGA connected to the Denise socket, without doing something more with it,...
Forum: support.Hardware 20 February 2020, 21:26
Replies: 3
Views: 395
Posted By Niklas
Hi! The E clock is used to communicate with...

Hi!

The E clock is used to communicate with peripherals designed to work with the older Motorola M6800 processor.

Have a look at Appendix B, M6800 Peripheral Interface, in the 68000 User's...
Forum: Hardware mods 09 February 2020, 18:11
Replies: 500
Views: 82,217
Posted By Niklas
On the contrary, the cost of making advanced...

On the contrary, the cost of making advanced hardware designs has never been lower due to advances in FPGAs, the low cost of having PCBs made in China, etc.



The feeling of contributing to and...
Forum: support.Hardware 06 February 2020, 21:15
Replies: 267
Views: 55,496
Posted By Niklas
Depends what you mean by "an easy way", but it...

Depends what you mean by "an easy way", but it should be easy enough to add modules to the HDL design (https://github.com/niklasekstrom/a314/tree/master/HDL) and upload the design to the FPGA's...
Forum: support.Hardware 06 February 2020, 21:12
Replies: 267
Views: 55,496
Posted By Niklas
I haven't gotten around to finish it. As I don't...

I haven't gotten around to finish it. As I don't have an immediate need for it myself my motivation to complete it hasn't been sufficient (apparently). But if I can somehow find additional motivation...
Forum: Hardware mods 03 February 2020, 18:23
Replies: 500
Views: 82,217
Posted By Niklas
There's also this project...

There's also this project https://www.a1k.org/forum/index.php?threads/72081/ that builds a 68k replacement in FPGA which is also based on TG68. It will be very interesting to see how these projects...
Forum: Hardware mods 03 February 2020, 17:55
Replies: 500
Views: 82,217
Posted By Niklas
That makes sense. As long as the design is open...

That makes sense. As long as the design is open source I'm happy to pay someone else to build it for me.

On principle ("The chucky principle"?) I'm not interested in closed source Amiga...
Forum: Hardware mods 03 February 2020, 17:25
Replies: 500
Views: 82,217
Posted By Niklas
Splendid. If you also make the hardware open...

Splendid. If you also make the hardware open source then I very much look forward to building one and contributing to the CPU core in any way I can.
Forum: Hardware mods 03 February 2020, 16:56
Replies: 500
Views: 82,217
Posted By Niklas
That's very nice! If you make improvements...

That's very nice!

If you make improvements to the CPU core e.g. to support more instructions, or to optimize the internal architecture to get higher IPC, will you release the result as open...
Forum: support.Hardware 02 December 2019, 22:07
Replies: 267
Views: 55,496
Posted By Niklas
If you have a rev 6 with an 8372A Agnus, and do...

If you have a rev 6 with an 8372A Agnus, and do the 1 MB chip modification (as described here (https://s6.postimg.cc/53hat1xkh/A500_6a_1_MBCHIP.png)) and then cut JP3 in order to disable the...
Forum: support.Hardware 02 December 2019, 21:58
Replies: 267
Views: 55,496
Posted By Niklas
I just noticed something: there should be solder...

I just noticed something: there should be solder in the hole on the back side of the FPGA. You can compare with this picture (https://imgur.com/a/8KuQVmk).
Forum: support.Hardware 02 December 2019, 16:35
Replies: 267
Views: 55,496
Posted By Niklas
Very nice ugorampazzo! I'm no soldering...

Very nice ugorampazzo!

I'm no soldering expert so I can't really comment on the solder on IC7. But if you like you can join the #a314 irc channel on EFnet (http://www.efnet.org/?module=servers)...
Forum: support.Hardware 01 December 2019, 21:24
Replies: 267
Views: 55,496
Posted By Niklas
I forgot to mention that it is possible to...

I forgot to mention that it is possible to disable the motherboard's memory without desoldering it. As mentioned here (https://github.com/niklasekstrom/a314/issues/11), there's a solder pad JP3...
Forum: support.Hardware 30 November 2019, 18:23
Replies: 267
Views: 55,496
Posted By Niklas
Hi Ratteler! I believe that should be possible. I...

Hi Ratteler! I believe that should be possible. I don't think anyone has tried it but I see no reason why it wouldn't work. a314.device needs to be modified slightly to handle having all memory (0.5...
Forum: support.Hardware 19 October 2019, 08:49
Replies: 267
Views: 55,496
Posted By Niklas
I don't know of any such plans at this time. As...

I don't know of any such plans at this time. As the design is completely free and open anyone could make and sell these boards, and personally I think it would be exciting if someone did that, as...
Forum: support.Hardware 19 October 2019, 08:36
Replies: 267
Views: 55,496
Posted By Niklas
Yes, the BOM is the same for Beta-2 and 1.0. The...

Yes, the BOM is the same for Beta-2 and 1.0. The changes (https://github.com/niklasekstrom/a314/commit/7c5438fe14826647e12916b8192cb6679ca5a15e) from Beta-2 to 1.0 are...
Forum: support.Hardware 16 October 2019, 07:03
Replies: 267
Views: 55,496
Posted By Niklas
Hi Stephan! As of this commit...

Hi Stephan!

As of this commit (https://github.com/niklasekstrom/a314/commit/b4c32ee91f45f595b4c7baed4dfb0819cb89f6ff) A314 provides an additional 1 MB chip ram in an A500+.
Forum: support.Hardware 08 September 2019, 12:34
Replies: 267
Views: 55,496
Posted By Niklas
Hi CrowStudio! I did make a few YouTube...

Hi CrowStudio!

I did make a few YouTube videos a while ago, but the quality is quite poor so I didn't bother linking them, but I suppose you can still see something from them.
...
Forum: support.Hardware 07 September 2019, 10:46
Replies: 267
Views: 55,496
Posted By Niklas
Hey. I'm not sure, I haven't heard of anyone that...

Hey. I'm not sure, I haven't heard of anyone that tried that combination. A314 has been tested with a TerribleFire (I don't remember which one, probably TF530) and that worked well. If the Vampire...
Forum: request.Apps 13 August 2019, 18:17
Replies: 9
Views: 789
Posted By Niklas
The source code example found here...

The source code example found here http://amigadev.elowar.com/read/ADCD_2.1/Devices_Manual_guide/node019B.html sets the mouse to some absolute position.
Forum: support.Hardware 20 June 2019, 22:49
Replies: 267
Views: 55,496
Posted By Niklas
One of the features of A314 is that the memory on...

One of the features of A314 is that the memory on A314, to which the Raspberry Pi can read and write, is chip memory. This means that the Amiga custom chips can access this memory directly without...
Forum: Coders. C/C++ 17 June 2019, 17:26
Replies: 5
Views: 1,636
Posted By Niklas
I wrote a program in C that does what Leffmann...

I wrote a program in C that does what Leffmann suggests: https://pastebin.com/9cRz6kJE. For many of you Leffmann's answer contains all the information you need, but if someone read Leffmann's answer...
Forum: support.Hardware 11 June 2019, 19:52
Replies: 267
Views: 55,496
Posted By Niklas
Darn, I thought that would be foolproof ;) I will...

Darn, I thought that would be foolproof ;) I will update the files with the required encoding string.



Well done! That's very nice to see.
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