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Search: Posts Made By: fpgaarcade
Forum: Coders. Asm / Hardware 19 January 2018, 16:23
Replies: 164
Views: 16,514
Posted By fpgaarcade
Nice. I was thinking along the same lines : ...

Nice. I was thinking along the same lines :

http://www.fpgaarcade.com/punbb/viewtopic.php?id=1221

I've using the SMI (Secondary memory interface, which normally connects to NAND flash) as a low...
Forum: News 09 November 2017, 16:52
Replies: 33
Views: 4,177
Posted By fpgaarcade
For the moment I am going for a simple pipeline...

For the moment I am going for a simple pipeline and maximum clock speed.

A single core at 200MHz will usually outperform a twin superscaler at 100MHz, and is a significantly smaller and easier to...
Forum: News 09 November 2017, 15:23
Replies: 33
Views: 4,177
Posted By fpgaarcade
The instruction decoder is a massive pain, but...

The instruction decoder is a massive pain, but the instruction set is highly ordered (it was originally PLA decoded) and the same tricks are possible now. It's only a 16 bit opcode for goodness sake!
Forum: News 09 November 2017, 15:18
Replies: 33
Views: 4,177
Posted By fpgaarcade
Although I will give you contortions in the TG68K...

Although I will give you contortions in the TG68K are quite challenging. I'm having to use our ASIC formal equivalence tools to unwind it..
Forum: News 09 November 2017, 15:13
Replies: 33
Views: 4,177
Posted By fpgaarcade
Grond, with all respect that statement is...

Grond, with all respect that statement is complete b@llocks.
As a professional CPU designer, if somebody who is experienced cannot read, understand and modify the code, then it's not as good as you...
Forum: Retrogaming General Discussion 29 October 2017, 16:08
Replies: 1
Views: 894
Posted By fpgaarcade
Hi. The FPGAArcade forum is a little quiet,...

Hi.
The FPGAArcade forum is a little quiet, mainly as most chat has moved to our slack group. There are details on the forum how to join the slack group, all are welcome.

Many cores are under...
Forum: Amiga scene 06 September 2017, 09:22
Replies: 14
Views: 2,287
Posted By fpgaarcade
yeah, it has taken longer than expected. There...

yeah, it has taken longer than expected.
There are around 200 of the first gen boards out there.
The daughterboard will go to production as soon as layout is finished, hopefully next week.

The...
Forum: Amiga scene 26 February 2016, 23:30
Replies: 64
Views: 7,827
Posted By fpgaarcade
It did take a little longer than expected. All...

It did take a little longer than expected. All done now and shipping.
www.fpgaarcade.com

48M XRAM is mapped as Chip. All the chipset DMA pointers have been extended to allow 64M addressing - the...
Forum: Amiga scene 30 January 2016, 12:52
Replies: 171
Views: 36,465
Posted By fpgaarcade
Indeed some great work on the bitfield...

Indeed some great work on the bitfield instructions. Credit should also go to Jim for significant efforts finding the problematic instructions. I also contributed some movem fixes.

The combined...
Forum: support.Hardware 23 January 2016, 01:16
Replies: 53
Views: 11,644
Posted By fpgaarcade
He confused me there. It emulates Gayle, the...

He confused me there.
It emulates Gayle, the 1200/600 IDE controller, same as Minimig I believe?
I'm sure I had a patched A500 ROM booting a hard disk image before.
Forum: Coders. General 21 November 2015, 17:34
Replies: 20
Views: 2,826
Posted By fpgaarcade
"Mike didn't seem interested in a faster FGPA 68k...

"Mike didn't seem interested in a faster FGPA 68k core. A faster 68k core could emulate the blitter faster."
Certainly am, but not licensing a closed source one. I have mine on the back burner...
Forum: Coders. General 21 November 2015, 17:26
Replies: 20
Views: 2,826
Posted By fpgaarcade
I'm very surprised the RTG blitter does not make...

I'm very surprised the RTG blitter does not make more of a difference actually.
It moves 32 bits every system clock (~7MHz) source or dest - so approx 14MBytes per second.

The CPU gets stalled...
Forum: Amiga scene 11 November 2015, 01:20
Replies: 171
Views: 36,465
Posted By fpgaarcade
No, of course not - but a lot of them use the...

No, of course not - but a lot of them use the T80, T65 and other components maintained or developed by us. That's the point of open source though and it's good to see them used, and occasionally we...
Forum: Amiga scene 10 November 2015, 00:46
Replies: 171
Views: 36,465
Posted By fpgaarcade
"The pb with the replay board is it's never...

"The pb with the replay board is it's never ending beta stage.
Kamelito "

The hardware has been stable for a long time, the cores and libraries they use have been under development for a while.
...
Forum: support.Other 09 September 2014, 11:12
Replies: 26
Views: 12,305
Posted By fpgaarcade
Not currently. I am only using the T68K kernel,...

Not currently. I am only using the T68K kernel, the wrapper including caching etc is my own work. I have (I think) isolated a problem in the T68K. Once this is verified I'll push the fix back...
Forum: News 21 February 2013, 00:48
Replies: 478
Views: 71,841
Posted By fpgaarcade
The Replay board is accelerating now.... 30...

The Replay board is accelerating now....
30 boards or so have shipped. 100 more are being built now, and more to follow. The board is FCC and CE certified, and the component sourcing and assembly...
Forum: News 15 November 2011, 22:46
Replies: 60
Views: 10,083
Posted By fpgaarcade
I would also like to announce we have an...

I would also like to announce we have an agreement in place for licensing for the FPGAArcade board. It was a pleasure dealing with Chris and we have the code up and running already. We are getting...
Forum: News 29 June 2011, 15:14
Replies: 162
Views: 40,204
Posted By fpgaarcade
The 500 batch will be the same board as the...

The 500 batch will be the same board as the current b02 in the 44 batch.
Cost may come down slightly with volume, but I won't be starting them until I have shifted the 44.
/Mike
Forum: News 14 April 2011, 14:47
Replies: 162
Views: 40,204
Posted By fpgaarcade
Maybe we can come to a deal...

Maybe we can come to a deal...
Forum: News 13 April 2011, 00:07
Replies: 162
Views: 40,204
Posted By fpgaarcade
I've been travelling and finalising the...

I've been travelling and finalising the production data / PCB.
Very boring ..... should get back to the fun stuff end of this week.
/MikeJ
Forum: News 28 March 2011, 14:45
Replies: 162
Views: 40,204
Posted By fpgaarcade
Thanks Dave. Here is the story. I have...

Thanks Dave.
Here is the story.

I have parts to build 54 RevB boards. I got the first 10 built, and they work well, but the spacing between the DVI and audio jack is a bit tight. That I could...
Forum: News 24 March 2011, 11:59
Replies: 162
Views: 40,204
Posted By fpgaarcade
How would it help? The intention is not to...

How would it help?
The intention is not to "limit" supply of these in any way. As soon as the beta program is finished then they will be built to order in batches as long as people want them.
MikeJ
Forum: News 23 March 2011, 23:48
Replies: 162
Views: 40,204
Posted By fpgaarcade
The first batch of 10 RevB boards were all...

The first batch of 10 RevB boards were all machine assembled.
I needed to do a slight tweak to the board which is delaying the rest of them being produced. I've just placed an order for the Xilinx...
Forum: News 22 March 2011, 11:33
Replies: 162
Views: 40,204
Posted By fpgaarcade
It is being tested now. I am not sure what clock...

It is being tested now. I am not sure what clock speed Jakub is using.
A different soft core is loaded into the main board.

Little early to give pricing for the expansion board. It will be...
Forum: News 03 September 2010, 12:12
Replies: 162
Views: 40,204
Posted By fpgaarcade
FPGAARcade Replay production

Well, it took a bit longer than expected to get the production sorted out over the summer, but it is happening now.

10 prototype boards are being produced now, I should get them in 2 weeks (I'm on...
Forum: News 24 July 2009, 16:51
Replies: 162
Views: 40,204
Posted By fpgaarcade
Hi Alex, I like that, I'll have to put that on...

Hi Alex,
I like that, I'll have to put that on my card as well :)

"Nothing is on sale, and no word about support or SDK. (Or should that be HDK?) "

Not yet, I need to complete the board...
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