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Search took 0.31 seconds. Search: Posts Made By: roondar
Forum: Coders. General Today, 15:31
Replies: 1
Views: 22
Posted By roondar
Sadly, you can't feed 4x sprites manually :( ...

Sadly, you can't feed 4x sprites manually :(
Reloading pointers should work though, so it's weird that is doesn't.
Forum: support.WinUAE Yesterday, 18:23
Replies: 11
Views: 325
Posted By roondar
There are many possible configuration options in...

There are many possible configuration options in WinUAE that can influence the emulator's behaviour. Did you try this using Cycle Accurate (full) chipset emulation and with Collision Level set to...
Forum: Amiga scene Yesterday, 00:56
Replies: 20
Views: 639
Posted By roondar
I always miss the way Amiga's dealt with volumes...

I always miss the way Amiga's dealt with volumes and especially the assigns. Such a useful way to order your files beyond just drives and directories.
Forum: Coders. Asm / Hardware 24 February 2021, 13:56
Replies: 10
Views: 379
Posted By roondar
Ah, of course! It's just that the bitplanes are...

Ah, of course!
It's just that the bitplanes are delayed by x pixels when using BPLCON1, this hasn't changed from OCS/ECS. Only the maximum delay has. So if you delay by 64 pixels and have a DDFSTRT...
Forum: Coders. Asm / Hardware 24 February 2021, 13:07
Replies: 10
Views: 379
Posted By roondar
Yes, that's what I'd expect. Oh and by the way,...

Yes, that's what I'd expect. Oh and by the way, your questions aren't dumb - Amiga HW is tricky and all of us had similar lack of understanding at one point. You're already further along than I ever...
Forum: Coders. Asm / Hardware 24 February 2021, 12:26
Replies: 10
Views: 379
Posted By roondar
Yes, it might be useful to know why you've not...

Yes, it might be useful to know why you've not actually noticed any problems. The reason for that is that your example doesn't actually show any bitplane GFX in the left most part of the screen. The...
Forum: Coders. Asm / Hardware 23 February 2021, 00:05
Replies: 215
Views: 29,805
Posted By roondar
Yes, that's the one. And then I picked...

Yes, that's the one. And then I picked https://github.com/prb28/vscode-amiga-wks-example/releases/download/0.21/vscode-amiga-wks-example-windows_x64.zip

Not quite sure what went wrong then,...
Forum: Retrogaming General Discussion 22 February 2021, 23:34
Replies: 15
Views: 604
Posted By roondar
That does look quite good yeah :)

That does look quite good yeah :)
Forum: Retrogaming General Discussion 22 February 2021, 22:28
Replies: 15
Views: 604
Posted By roondar
When you talk about pseudo 3D, what's the...

When you talk about pseudo 3D, what's the difference between these and say Lotus 2?
The way the road is done in 'chunks' rather than lines? Or is it something else?
Forum: Coders. Asm / Hardware 22 February 2021, 19:42
Replies: 215
Views: 29,805
Posted By roondar
Ok, that does work. Strange... I only first...

Ok, that does work.
Strange... I only first downloaded and installed the extension/example two days ago and it most definitely didn't work at the time. At any rate, it works now so thanks for the...
Forum: Retrogaming General Discussion 21 February 2021, 23:08
Replies: 823
Views: 134,483
Posted By roondar
What!? He keeps the entire level in memory as a...

What!? He keeps the entire level in memory as a bitmap? For a tile based game designed to run on 8-bit HW?
Ehhhh, okay. Well, good luck with that!


Even CU Amiga (or perhaps it was Amiga Format,...
Forum: Coders. Asm / Hardware 21 February 2021, 15:19
Replies: 24
Views: 1,291
Posted By roondar
Do you have any figures for the raster time cost...

Do you have any figures for the raster time cost of doing that (and at what sample rate do you mix)? I'm quite interested in seeing if a HQ mixer can be made that is also fast enough. My current...
Forum: Coders. Asm / Hardware 21 February 2021, 13:12
Replies: 24
Views: 1,291
Posted By roondar
Ah, nice. Thanks! I must admit that I tend to...

Ah, nice. Thanks!
I must admit that I tend to underutilize the Sxx instructions in particular. I didn't even remember that I didn't use the overflow flag in the code, which is indeed quite logical...
Forum: Coders. Asm / Hardware 21 February 2021, 12:26
Replies: 215
Views: 29,805
Posted By roondar
I've recently become re-aware of this and tried...

I've recently become re-aware of this and tried it out. It seems to work well enough, but I can't get the WinUAE debug (or run) to work. Only FS-UAE seems to work, the WinUAE configurations give the...
Forum: Retrogaming General Discussion 20 February 2021, 13:30
Replies: 228
Views: 16,372
Posted By roondar
I think the issue with JP's parallax is mostly...

I think the issue with JP's parallax is mostly that it's too bright and it also might move a tad too quickly.
Forum: Coders. C/C++ 20 February 2021, 02:22
Replies: 23
Views: 937
Posted By roondar
Huh, I didn't even realize the graphics library...

Huh, I didn't even realize the graphics library Copper structure worked like that. That's actually quite nice. There's lots of nice things like that in the OS. Not bad for a system from 30 years ago...
Forum: Coders. Asm / Hardware 20 February 2021, 01:08
Replies: 78
Views: 4,168
Posted By roondar
Cool, thanks! Don't know why I couldn't figure...

Cool, thanks!
Don't know why I couldn't figure that out :bash
Forum: Coders. C/C++ 19 February 2021, 15:06
Replies: 23
Views: 937
Posted By roondar
TBH, that feels like pure luck to me. Amiga OS...

TBH, that feels like pure luck to me. Amiga OS does not have memory protection, so if your code writes outside of it's allocated bounds no errors are thrown. Well, unless you happen to overwrite...
Forum: Coders. C/C++ 19 February 2021, 01:01
Replies: 23
Views: 937
Posted By roondar
If the OS is running, you may need to use the...

If the OS is running, you may need to use the OS's Copper functions. I'm not entirely sure what happens if you have just a single screen showing, but it could be that the OS still wants to use the...
Forum: Coders. C/C++ 19 February 2021, 00:29
Replies: 23
Views: 937
Posted By roondar
The first question would be whether or not the OS...

The first question would be whether or not the OS is still running at this point. If it's up, changing the Copperlist pointer will probably not work (though it normally doesn't crash the system). The...
Forum: Coders. Asm / Hardware 18 February 2021, 21:48
Replies: 51
Views: 2,438
Posted By roondar
That's a quite nice result, 82 scanlines is...

That's a quite nice result, 82 scanlines is pretty darned good considering how big the GFX are. Kind of makes me feel that AGA 64px HW sprites are more useful than I've been led to believe. Even if...
Forum: Amiga scene 18 February 2021, 14:32
Replies: 479
Views: 27,417
Posted By roondar
Yeah, it's all much more complicated than it...

Yeah, it's all much more complicated than it looks. Admittedly, I'm less worried about the performance impact - though there will be at least a minor one to be sure. I'm more worried about keeping it...
Forum: Coders. Asm / Hardware 17 February 2021, 20:36
Replies: 51
Views: 2,438
Posted By roondar
It may be wise to try these routines on a real...

It may be wise to try these routines on a real A1200 as well, as 68020 emulation isn't cycle accurate. My personal experience is that real A1200's tend to be slower on RAM access than WinUAE...
Forum: Coders. Asm / Hardware 17 February 2021, 19:43
Replies: 78
Views: 4,168
Posted By roondar
On the topic of files, is there any way to set up...

On the topic of files, is there any way to set up the VS Code environment so that there are external files included in the WinUAE environment? Or is it truly single-executable only?

I did try to...
Forum: Coders. Asm / Hardware 17 February 2021, 15:01
Replies: 78
Views: 4,168
Posted By roondar
Yes, that's the video. Was extremely interesting,...

Yes, that's the video. Was extremely interesting, thanks for making it :)
Forum: Coders. Asm / Hardware 17 February 2021, 01:43
Replies: 78
Views: 4,168
Posted By roondar
AFAIK there was a point at which the GCC...

AFAIK there was a point at which the GCC optimisations suddenly became much better on the M68K branch. Not sure if that was version 8, 9 or 10 but I remember seeing a video about Amiga demo coding in...
Forum: Coders. Asm / Hardware 16 February 2021, 23:06
Replies: 1,089
Views: 60,501
Posted By roondar
To be fair, the walled garden was mostly an Apple...

To be fair, the walled garden was mostly an Apple thing. Commodore, Atari and the many Unix-M68K systems were quite open.

That said, I do actually mostly agree. The Atari/Amiga/Apple were all IMHO...
Forum: Coders. Asm / Hardware 16 February 2021, 22:40
Replies: 1,089
Views: 60,501
Posted By roondar
Obviously, I won't tell you that you're wrong to...

Obviously, I won't tell you that you're wrong to like playing such a nice game. These kind of memories is what this whole retro-scene is all about :great

However, I do want to note here that...
Forum: Coders. Asm / Hardware 16 February 2021, 14:27
Replies: 1,089
Views: 60,501
Posted By roondar
Now, I can be wrong here as it was over two years...

Now, I can be wrong here as it was over two years ago. So, keep that in mind.
But as far as I can remember the discussion back then, the Intel cited cycle times for the x86 lineup excluded the time...
Forum: Coders. General 16 February 2021, 10:43
Replies: 76
Views: 4,947
Posted By roondar
Regarding auction prices, it seems to me that...

Regarding auction prices, it seems to me that it's not just about historical value or fun factor etc, but also about supply vs demand. The Amiga was vastly outsold by the PC from day one, which...
Forum: Nostalgia & memories 15 February 2021, 16:54
Replies: 9
Views: 523
Posted By roondar
I love that statue, they should make a miniature...

I love that statue, they should make a miniature version of it :)
Forum: Coders. Asm / Hardware 15 February 2021, 15:27
Replies: 78
Views: 4,168
Posted By roondar
I've been quite surprised with just how good GCC...

I've been quite surprised with just how good GCC 10 is at optimising. I did a few minor tests in Bartman's Visual Studio Code environment and the assembly it creates is quite good.
Forum: Coders. General 15 February 2021, 15:16
Replies: 76
Views: 4,947
Posted By roondar
I was not agreeing with you there. I was pointing...

I was not agreeing with you there. I was pointing out that your drawback isn't actually a drawback as you can do what you want regardless.
Forum: Coders. Asm / Hardware 15 February 2021, 13:37
Replies: 1,089
Views: 60,501
Posted By roondar
This is only possible on an Amiga 1200 with 32...

This is only possible on an Amiga 1200 with 32 bit Fast RAM installed. Any program running on a stock A1200 (i.e. one with 2MB of RAM and no expansions) will always have wait states for RAM access,...
Forum: Retrogaming General Discussion 15 February 2021, 12:48
Replies: 272
Views: 19,791
Posted By roondar
I also read it as frustration. And it's kind of...

I also read it as frustration. And it's kind of understandable I think, there's been a lot of negative comments in this thread. Not all of which were deserved ones.
Forum: Retrogaming General Discussion 15 February 2021, 11:11
Replies: 272
Views: 19,791
Posted By roondar
It's just never good enough for some it seems. ...

It's just never good enough for some it seems.

I'm actually of the opinion that it's quite proper to reconsider some of the control options for these old games when re-releasing them. It's not the...
Forum: Retrogaming General Discussion 15 February 2021, 02:07
Replies: 5
Views: 607
Posted By roondar
In the case of DOS and low-res Amiga NTSC games,...

In the case of DOS and low-res Amiga NTSC games, it actually is. Both VGA and Amiga without interlace display a progressive image. In the case of the Amiga each NTSC field becomes one low-res...
Forum: Coders. Asm / Hardware 14 February 2021, 15:14
Replies: 51
Views: 2,438
Posted By roondar
The only immediate thing I can note is that 16x16...

The only immediate thing I can note is that 16x16 is a bit of a shame for AGA. 32 bit wide reading/writing would be twice as fast (assuming 32 bit alignment naturally). But also takes much more...
Forum: Retrogaming General Discussion 14 February 2021, 01:02
Replies: 5
Views: 607
Posted By roondar
Didn't the DOS version run at 60Hz?

Didn't the DOS version run at 60Hz?
Forum: Amiga scene 14 February 2021, 00:50
Replies: 479
Views: 27,417
Posted By roondar
To be fair, I'm not entirely sure any of what is...

To be fair, I'm not entirely sure any of what is shown in the video is actually captured from an A1200, it looks very clean for a capture. But it could be WinUAE for the Amiga parts. I don't actually...
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