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Forum: Hardware mods 11 May 2021, 11:07
Replies: 55
Views: 3,288
Posted By Promilus
Well 030 performance claims might at least be...

Well 030 performance claims might at least be feasible, 040 1GHz figure seems to be unrealistic ...
Forum: Hardware mods 30 April 2021, 09:58
Replies: 96
Views: 10,512
Posted By Promilus
Neither of those games have any sort of usable...

Neither of those games have any sort of usable "open source engine" like GemRB for Infinity Engine games, like OpenRA for Command and Conquer and Red alert, VCMI for Heroes 3 or RttR for Settlers II....
Forum: Hardware mods 29 April 2021, 06:43
Replies: 96
Views: 10,512
Posted By Promilus
@wiz12 - no it can't. SoC itself runs at 1GHz...

@wiz12 - no it can't. SoC itself runs at 1GHz tops. There are newer version with different core (Cortex A15 and Cortex A53) which runs 1.5GHz and 1.1GHz respectively. Doesn't change all that much... ...
Forum: support.Hardware 21 March 2021, 09:52
Replies: 40
Views: 3,022
Posted By Promilus
Doesn't matter, GPIOs of RPI aren't all that many...

Doesn't matter, GPIOs of RPI aren't all that many and are of way different structure than 68k interface (address, data, control signals) - that's why PiStorm uses FPGA to simulate 68k interface from...
Forum: support.Hardware 22 February 2021, 19:37
Replies: 33
Views: 1,531
Posted By Promilus
Cost effective - SBC or PC and software...

Cost effective - SBC or PC and software emulation. Ryzen based SBC (Advantech sell those, probably Asrock as well) destroys everything with JIT.

Slow but most compatible and nostalgic - classic...
Forum: support.Hardware 22 February 2021, 18:22
Replies: 33
Views: 1,531
Posted By Promilus
@Gordon - you won't be supporting the scene with...

@Gordon - you won't be supporting the scene with old amiga from someone's closet either. Demoscene productions will work on both classic amiga, morphos with emulation, amigaos4 with emulation, linux...
Forum: New to Emulation or Amiga scene 22 February 2021, 18:17
Replies: 52
Views: 5,264
Posted By Promilus
If someone is obsessed in having plenty of models...

If someone is obsessed in having plenty of models but can't afford one then emulation (either fpga or software on PC) is decent enough. Also if someone want to get fastest possible amiga system then...
Forum: Hardware mods 21 February 2021, 19:32
Replies: 500
Views: 83,515
Posted By Promilus
As far as I was exploring Zynq I see memory...

As far as I was exploring Zynq I see memory controller being in hard processor subsystem domain, FPGA part with 68k softcore can access it through AXI bus iirc. In that aspect both ARM and 68k would...
Forum: Hardware mods 21 February 2021, 16:38
Replies: 500
Views: 83,515
Posted By Promilus
@AJCopland - it's "quite simple" 1. Get QMTECH...

@AJCopland - it's "quite simple"
1. Get QMTECH Cyclone V development board.
2. Get Vampire source code (iirc that' version 0.1), available as packed project on majsta.com
3. Buy few buffers with...
Forum: Hardware mods 21 February 2021, 12:52
Replies: 500
Views: 83,515
Posted By Promilus
@robinsonb5 - ARM code running on AmigaOS 3 is...

@robinsonb5 - ARM code running on AmigaOS 3 is something most ZZ9000 users are trying to get. Either Cyclone V SE or Zynq7k could be used to host 68k softcore along with arm hard processors. Would it...
Forum: Hardware mods 21 February 2021, 07:28
Replies: 500
Views: 83,515
Posted By Promilus
You are explaining things most ppl here are aware...

You are explaining things most ppl here are aware of. You really don't have to. Same with PC evolution, emergence of new standards etc. If I mentioned those I did this to show - in contrast to amiga...
Forum: Hardware mods 19 February 2021, 11:25
Replies: 500
Views: 83,515
Posted By Promilus
To not spam in original topic much more I think...

To not spam in original topic much more I think you misunderstood what I was writing about in the first place. A500, A600, A1200 were designed as a short-term computers with just a handful of...
Forum: Hardware mods 19 February 2021, 07:12
Replies: 500
Views: 83,515
Posted By Promilus
@Bruce - well CISC wasn't only "complex ISA" but...

@Bruce - well CISC wasn't only "complex ISA" but also "compact binary". It is quite obvious (or at least was back then) that CISC produced code better suited for low memory systems. That's also a...
Forum: Hardware mods 16 February 2021, 06:41
Replies: 500
Views: 83,515
Posted By Promilus
@zipper - acorn archimedes with raspberry pi :)...

@zipper - acorn archimedes with raspberry pi :) You can also buy modern pc system on an isa card, insert to old 386 system, hook kb, mouse, vga, storage to it and use mainboard as power supply...
Forum: Hardware mods 12 February 2021, 15:05
Replies: 500
Views: 83,515
Posted By Promilus
Oh well that depends how you define Zorro II area...

Oh well that depends how you define Zorro II area since ZII is basically 68k bus with buffering and additional control signals.
It doesn't matter much for me. If someone has antique and working A570...
Forum: Hardware mods 12 February 2021, 10:51
Replies: 500
Views: 83,515
Posted By Promilus
DMA of A590 - probably tops at ~2MB/s, UW-SCSI of...

DMA of A590 - probably tops at ~2MB/s, UW-SCSI of Blizzard has theoretical max at 40MB/s but usually it goes at around 30-35MB/s, FastATA has maximum of 16,6MB/s but usually it's 5-7MB/s, same with...
Forum: support.Hardware 11 February 2021, 20:32
Replies: 2
Views: 343
Posted By Promilus
No, not really. There are some CMOS versions...

No, not really. There are some CMOS versions (iirc 68SEC000) which could handle that but what's exactly the point? You'll still have to communicate with amiga board with 7MHz-like interface because...
Forum: Hardware mods 11 February 2021, 16:39
Replies: 500
Views: 83,515
Posted By Promilus
A590 DMAC goes only that far anyway so it's Z2...

A590 DMAC goes only that far anyway so it's Z2 fast ram option alone and there's really no benefit of trying it to reach further. That said... uwscsi of BlizzardPPC/CyberstormPPC hasn't been beaten...
Forum: Hardware mods 10 February 2021, 08:59
Replies: 500
Views: 83,515
Posted By Promilus
I believe I saw Mike taking a part in discussion...

I believe I saw Mike taking a part in discussion about Buffee on discord, I do not think it's dead project though. I might be repeating myself but I think using mass produced dev-boards like qmtech's...
Forum: Hardware mods 07 February 2021, 16:28
Replies: 96
Views: 10,512
Posted By Promilus
@Gorf - not really. 68000 does 16bit data...

@Gorf - not really. 68000 does 16bit data transfer always while masking valid data bytes through uds and lds signals. If it needs 32bit data it has 2x 16bit reads of adjacent cells.
020 and higher...
Forum: Hardware mods 06 February 2021, 22:13
Replies: 96
Views: 10,512
Posted By Promilus
@Gorf - V4 is a replacement, V2 is an...

@Gorf - V4 is a replacement, V2 is an accelerator. And while SAGA (not entirely essential part of core) basically takes over role of on-board chipset it still is just an accelerator. With physical...
Forum: Hardware mods 06 February 2021, 21:04
Replies: 96
Views: 10,512
Posted By Promilus
@eXeler0 - I'm afraid it's not a valid metaphor....

@eXeler0 - I'm afraid it's not a valid metaphor. Even on 50Hz display you'll get decent experience and you really won't get anything serious past 120 so all those fps above doesn't actually mean a...
Forum: Hardware mods 05 February 2021, 17:19
Replies: 96
Views: 10,512
Posted By Promilus
Wasn't Mika Leinonen IDE autobooting with kick...

Wasn't Mika Leinonen IDE autobooting with kick 2.05+ ? I think I saw design on pcbway as well...
Forum: Hardware mods 05 February 2021, 10:00
Replies: 96
Views: 10,512
Posted By Promilus
Perhaps I wasn't clear in my post... can be...

Perhaps I wasn't clear in my post... can be omitted != must be omitted. BR and BG isn't particularly useful for A500 if you don't have side expansion attached, and most internal ide/cf solutions...
Forum: Hardware mods 05 February 2021, 06:18
Replies: 96
Views: 10,512
Posted By Promilus
Some signals of 68k in amiga aren't used. Some...

Some signals of 68k in amiga aren't used. Some aren't used unless you want to share the bus with original 68k or different turbo (which is unlikely). Those can be omitted. IIRC FC[0:2], BR, BG can be...
Forum: Hardware mods 04 February 2021, 21:46
Replies: 96
Views: 10,512
Posted By Promilus
Yes it does but afaik RPI uses polling of it's...

Yes it does but afaik RPI uses polling of it's GPIO pins and elaborate emulation to seek what it actually means and react. GPMC is hardware solution. It - essentially - is external memory interface...
Forum: Hardware mods 04 February 2021, 20:57
Replies: 96
Views: 10,512
Posted By Promilus
Good luck with that... Even Cortex A53 based...

Good luck with that... Even Cortex A53 based texas chips with GPMC still use 16bit. And it would be extremely hard to find anything decent with external interface adjustable enough to handle amiga...
Forum: Hardware mods 02 February 2021, 22:01
Replies: 96
Views: 10,512
Posted By Promilus
Yes it is... now how do you think - how fast can...

Yes it is... now how do you think - how fast can 1GHz Cortex A8 set up some registers and turn on PJIT? I'd say few ms perhaps. Well it is a big difference then when raspberry boots up several...
Forum: Hardware mods 02 February 2021, 19:23
Replies: 96
Views: 10,512
Posted By Promilus
@Akira - well it is a system solution. It doesn't...

@Akira - well it is a system solution. It doesn't mean it has to be. It is that way because you can use system devices with their (already present) drivers and - eventually - "forward them" to...
Forum: Amiga scene 15 January 2021, 18:28
Replies: 122
Views: 8,303
Posted By Promilus
It is emulation, even more of emulation than PC...

It is emulation, even more of emulation than PC AT emulation on Amiga using things like A2088/2286 - where application itself run on physical, original x86 chip. You live in misconception emulation =...
Forum: Amiga scene 13 January 2021, 20:34
Replies: 122
Views: 8,303
Posted By Promilus
Actually to mess with all that discussion...

Actually to mess with all that discussion further.
AMD do not emulate intel. It uses the same ISA. It doesn't use the same insides, nor claims to have something exactly like that. Bah, first AMD x86...
Forum: News 11 December 2020, 20:16
Replies: 36
Views: 9,349
Posted By Promilus
Well M1 and future M1X are definitively most...

Well M1 and future M1X are definitively most powerful general purpose ARM chips out there but unfortunately (in contrast to RPi4) not exactly someone might consider cheap ... But it is on affordable...
Forum: Hardware mods 05 November 2020, 20:41
Replies: 500
Views: 83,515
Posted By Promilus
That's a valid assumption. I was just thinking...

That's a valid assumption. I was just thinking about slightly more reliable storage. But new SDHC and SDXC are pretty solid anyway and if UHS is implemented in the future it would still give...
Forum: Hardware mods 05 November 2020, 18:53
Replies: 500
Views: 83,515
Posted By Promilus
@mkstr - it's 68000 DIP form factor, insanely...

@mkstr - it's 68000 DIP form factor, insanely impressive design. So it should be pretty straightforward to replace A1000, A500, CDTV and A2000 CPUs with that. What about A600? Not that I care much...
Forum: Hardware mods 05 November 2020, 14:36
Replies: 500
Views: 83,515
Posted By Promilus
Opensource only makes sense if there's ample...

Opensource only makes sense if there's ample amount of ppl willing to support project. Let's see how many commits has TG68 source code since it was published... ahhh, yeah, as expected. Opensource...
Forum: Amiga scene 25 October 2020, 11:59
Replies: 22
Views: 2,748
Posted By Promilus
Well there are opensource drivers in ARM world...

Well there are opensource drivers in ARM world you know? Lima, Cedrus, Panfrost... It's not that all there is a binary blob and no chance for drivers. If that was the case none of Allwinner products...
Forum: Amiga scene 25 October 2020, 08:39
Replies: 22
Views: 2,748
Posted By Promilus
@Bruce Abbott Well there were no ppl looking...

@Bruce Abbott
Well there were no ppl looking for ARM and it was still fragmented between cheap hw and MorphOS and expensive hardware with AmigaOS4.x
The future of ppc hardware is pretty well known...
Forum: support.Hardware 13 October 2020, 15:27
Replies: 226
Views: 10,856
Posted By Promilus
Well then why fast PIO isn't pointless but slow...

Well then why fast PIO isn't pointless but slow SATA is? when you can use inexpensive SATA SSD but on amiga you must use sata2ide converter. If you don't know there's LiteSATA FPGA implementation...
Forum: support.Hardware 11 October 2020, 18:40
Replies: 226
Views: 10,856
Posted By Promilus
Well yes, but it was basically NextGen which...

Well yes, but it was basically NextGen which (just like K5) used internal RISC Core and was winning with Pentium per clock in integer. Since K5 AMD wasn't cloner anymore.
+1 :)

Sure but still,...
Forum: support.Hardware 11 October 2020, 17:05
Replies: 226
Views: 10,856
Posted By Promilus
Oh, not at all. It's just good to know where lies...

Oh, not at all. It's just good to know where lies boundary of what's a real improvement and what is wasted effort.

You're free to tell compile time is improved but on the other hand if you really...
Showing results 1 to 40 of 115

 
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