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Forum: Hardware mods 08 September 2021, 19:16
Replies: 20
Views: 3,037
Posted By Promilus
Well 500MB/s is still roughly 20x more than what...

Well 500MB/s is still roughly 20x more than what you can hope with regular Amiga interfaces.
Forum: Amiga scene 23 August 2021, 16:11
Replies: 172
Views: 13,562
Posted By Promilus
@DDNI - AGA is backward compatible. If someone...

@DDNI - AGA is backward compatible. If someone stayed behind with ECS - well you can't blame anyone for that. PPC lane was something P5 and some other ppl decided to do. It was a dead end since it...
Forum: Amiga scene 23 August 2021, 15:44
Replies: 172
Views: 13,562
Posted By Promilus
@grond - as you are well aware SIMD units are...

@grond - as you are well aware SIMD units are (like FPU) different chips which made into one silicon die with processor. That's why in most implementation they have their own registers and...
Forum: Amiga scene 23 August 2021, 14:31
Replies: 172
Views: 13,562
Posted By Promilus
@stevelord LC and EC are lacking FPU while EC...

@stevelord LC and EC are lacking FPU while EC lacks MMU as well (which makes it rather poor choice since even if there's software designed for 060 running ok without FPU there are libraries which...
Forum: Amiga scene 23 August 2021, 07:39
Replies: 172
Views: 13,562
Posted By Promilus
@Bruce Sure it can. It's not like address...

@Bruce

Sure it can. It's not like address lines ARE cut off when accessing SAGA rather than AGA. Well they could (ignore external lines when AGA registers are in use) but aren't. So you COULD use...
Forum: Amiga scene 22 August 2021, 15:11
Replies: 172
Views: 13,562
Posted By Promilus
Browsing with no browser handling current...

Browsing with no browser handling current standards and with limited by AGA resolution and color depth... ok
that's what cross compilers are made for. Or you claim to have absolutely no different...
Forum: Amiga scene 22 August 2021, 10:40
Replies: 172
Views: 13,562
Posted By Promilus
@Bruce Well there's a mountain of...

@Bruce

Well there's a mountain of differences between upgrading CPU and Fast RAM and using while chipset (as 99% of amiga games does) and building a whole new subsystem with graphics, mass storage...
Forum: Amiga scene 21 August 2021, 17:47
Replies: 172
Views: 13,562
Posted By Promilus
Well you can't really expect ppl to write whole...

Well you can't really expect ppl to write whole new games running only on those few PPC accelerators or Vampire, right? It either won't sell or will be too expensive. And things for free... well...
Forum: Amiga scene 21 August 2021, 09:11
Replies: 172
Views: 13,562
Posted By Promilus
@Bruce_Abbot And turning Amiga into peripheral...

@Bruce_Abbot
And turning Amiga into peripheral addon for turbo card is in any way better?
Cyclone V E A5 FPGA (V1200 and both of the new "non vampire" cards) is basically the same thing which...
Forum: Amiga scene 19 August 2021, 12:50
Replies: 172
Views: 13,562
Posted By Promilus
@manossg - that's exactly how marketing works....

@manossg - that's exactly how marketing works. That's how AMD sold their K5 processors introducing PR (performance rating basically understood as pentium rating) and then K6-2 and K6-III with 3DNow! ...
Forum: Amiga scene 19 August 2021, 06:40
Replies: 172
Views: 13,562
Posted By Promilus
@nikosidis - JIT will be fast but JIT is also not...

@nikosidis - JIT will be fast but JIT is also not so good when it comes to compatibility. Some software will have problems, some won't run at all. That's the cost of software emulation. It's rather...
Forum: Amiga scene 18 August 2021, 20:02
Replies: 172
Views: 13,562
Posted By Promilus
Conversely Vampire cannot do many things PPC...

Conversely Vampire cannot do many things PPC amiga or WinUAE can. Also - it's not that software emulated 68k can't do AMMX. Reason why nobody implements it to WinUAE and Musashi is becase no one...
Forum: Amiga scene 18 August 2021, 12:40
Replies: 172
Views: 13,562
Posted By Promilus
@manossg - you seems to omit the fact AC68080...

@manossg - you seems to omit the fact AC68080 features do not exist in any classic amiga except those with Vampire cards. Which means games and apps created around AMMX and SAGA features require...
Forum: Amiga scene 18 August 2021, 10:00
Replies: 172
Views: 13,562
Posted By Promilus
Wait what? I mean... couldn't you put soundcard,...

Wait what? I mean... couldn't you put soundcard, network card or graphic card to Amiga to achieve more than stock amiga could? Sure! So in that particular area Amiga with either ZIII or PCI slots...
Forum: Hardware mods 12 August 2021, 06:33
Replies: 56
Views: 6,237
Posted By Promilus
@pandy - I wouldn't go that far. I mean: ...

@pandy - I wouldn't go that far. I mean:

That just isn't true. All this chip has over regular Cortex M is PIO itself. It's amiga-style fixed function program controlled unit. So like blitter and...
Forum: support.Hardware 02 August 2021, 19:36
Replies: 30
Views: 2,181
Posted By Promilus
@videofx - those are different approach for a...

@videofx - those are different approach for a turbo card. Vampire is based on FPGA (Cyclone III for Vampire 500 V2 version) which handles everything to exactly fit into amiga memory map and CPU...
Forum: support.Hardware 27 July 2021, 22:01
Replies: 17
Views: 1,141
Posted By Promilus
cheapest way is to built Mika's interface by hand...

cheapest way is to built Mika's interface by hand (with PCB from e.g. PCBWAY - there's open design there). If you do not have soldering skills well then, good luck, all you can have is things you can...
Forum: Hardware mods 11 May 2021, 11:07
Replies: 104
Views: 16,258
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: 14,085
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: 14,085
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: 41
Views: 4,726
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: 1,945
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: 1,945
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: 59
Views: 9,167
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: 503
Views: 92,944
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: 503
Views: 92,944
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: 503
Views: 92,944
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: 503
Views: 92,944
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: 503
Views: 92,944
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: 503
Views: 92,944
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: 503
Views: 92,944
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: 503
Views: 92,944
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: 503
Views: 92,944
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: 393
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: 503
Views: 92,944
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: 503
Views: 92,944
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: 14,085
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: 14,085
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: 14,085
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: 14,085
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...
Showing results 1 to 40 of 132

 
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