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Forum: Coders. Contest Today, 01:02
Replies: 1,759
Views: 152,611
Posted By roondar
Great intro :)

Great intro :)
Forum: Coders. General Yesterday, 23:37
Replies: 25
Views: 1,679
Posted By roondar
Ah yes, I do apologise for not making that...

Ah yes, I do apologise for not making that clearer. Yes, fast memory (and ROM for that matter) can be accessed by the CPU without impacting the Blitter or the CPU being impacted by DMA. The A500...
Forum: Coders. General Yesterday, 19:21
Replies: 25
Views: 1,679
Posted By roondar
On the Amiga, the Blitter steals cycles from the...

On the Amiga, the Blitter steals cycles from the CPU. There are two options:

The Blitter gets all cycles it needs, the CPU gets zero during Blitter activity on the bus
The Blitter gives one...
Forum: Retrogaming General Discussion 30 May 2020, 14:47
Replies: 313
Views: 18,530
Posted By roondar
In that case, I don't really see it as a problem....

In that case, I don't really see it as a problem. You're probably right it's harder to do than Guardian in some areas (like animation calculations), but equally I think it'll be easier in others...
Forum: Coders. Asm / Hardware 30 May 2020, 12:13
Replies: 20
Views: 810
Posted By roondar
AGA auto-sprite repeating is a sadly underused...

AGA auto-sprite repeating is a sadly underused feature. It's quite neat.
Forum: Coders. General 29 May 2020, 21:13
Replies: 7
Views: 257
Posted By roondar
Yup. We agree to agree :p

Yup. We agree to agree :p
Forum: Coders. General 29 May 2020, 20:00
Replies: 7
Views: 257
Posted By roondar
I'm going to do something now I don't normally...

I'm going to do something now I don't normally do... I'm going to (kind of) disagree with ross & mcgeezer :shocked:D

So here's my position:

Yes, you can use bitplane graphics and cleverly set...
Forum: Coders. General 29 May 2020, 17:39
Replies: 7
Views: 257
Posted By roondar
Nope, you can't. You can select fewer...

Nope, you can't.

You can select fewer bitplanes (for instance, 5 instead of 6) and select which playfield has priority, but you can't select how the bitplanes are divided. The odd bitplanes always...
Forum: support.Hardware 29 May 2020, 15:18
Replies: 124
Views: 14,377
Posted By roondar
Meanwhile, I've never been all that much into...

Meanwhile, I've never been all that much into overclocking and would much rather have the "best it can be" at the official rated speed. Takes all sorts :)
Forum: New to Emulation or Amiga scene 29 May 2020, 10:58
Replies: 5
Views: 266
Posted By roondar
I can't answer all of your questions (I have no...

I can't answer all of your questions (I have no knowledge about PPC), but I can answer at least this: can the amiga emulator read real ice hard drives?

Yes, it can. I'm not sure if it works...
Forum: Coders. Asm / Hardware 29 May 2020, 10:36
Replies: 20
Views: 810
Posted By roondar
Ah yes, timing problems. Always interesting (not...

Ah yes, timing problems. Always interesting (not so much if you're having one though :p).
I think ross went over everything very well here, so I'll just add that I've not usually gone down the...
Forum: Retrogaming General Discussion 27 May 2020, 19:39
Replies: 313
Views: 18,530
Posted By roondar
Ah, I think I see the problem now... See, I was...

Ah, I think I see the problem now... See, I was not talking about Virtua Fighter anymore but a much more simplified 3D fighter with fighters more like the demo footage shown by robinsonb5. Those...
Forum: Retrogaming General Discussion 27 May 2020, 17:07
Replies: 313
Views: 18,530
Posted By roondar
I thought by now we were discussing the "stick...

I thought by now we were discussing the "stick figure/simple 3D characters" idea? That obviously won't look anything like Virtua Fighter, but that's done and dusted at this point ;)

Anyway, you...
Forum: Retrogaming General Discussion 27 May 2020, 16:01
Replies: 313
Views: 18,530
Posted By roondar
No problem, it's sometimes hard to tell in text...

No problem, it's sometimes hard to tell in text communication ;)

Honestly, I still think that is overly pessimistic. But I'll admit to not having exact figures so I can't be 100% sure.

But...
Forum: Retrogaming General Discussion 27 May 2020, 15:28
Replies: 313
Views: 18,530
Posted By roondar
That's an extremely pessimistic view. You're...

That's an extremely pessimistic view. You're essentially saying that adding a character/background means the framerate goes down by factor of about 100. This is really unlikely to be true even if we...
Forum: Retrogaming General Discussion 27 May 2020, 15:16
Replies: 313
Views: 18,530
Posted By roondar
Thanks, I like flat shaded 3D and that runs very...

Thanks, I like flat shaded 3D and that runs very nicely. It also is interesting to see this is an 030 demo because that does show very well what you can't expect on 030 (Virtua Fighter) and what you...
Forum: Amiga scene 27 May 2020, 11:23
Replies: 104
Views: 3,879
Posted By roondar
Please understand that this is in no way aimed at...

Please understand that this is in no way aimed at you personally, but I've had the exact reverse feeling for quite some time now: that people show some hostility and animosity towards those...
Forum: Retrogaming General Discussion 27 May 2020, 10:29
Replies: 46
Views: 4,360
Posted By roondar
Honestly, I always had most "problems" with MSX...

Honestly, I always had most "problems" with MSX char by char scrolling. I understand why they do it, but it literally causes me nausea (I get motion sickness from some 3D games with the "wrong" FOV....
Forum: Amiga scene 26 May 2020, 12:03
Replies: 104
Views: 3,879
Posted By roondar
With that in mind, I'll keep this really short: I...

With that in mind, I'll keep this really short: I agree with all of that, in principle. The devil is in the details though, which is where the discussion I won't continue started ;)


Yeah, it's...
Forum: Amiga scene 26 May 2020, 11:25
Replies: 104
Views: 3,879
Posted By roondar
I think this is a bit of a miscommunication then....

I think this is a bit of a miscommunication then. See, I wasn't talking about whether or not it works (on this topic I fully agree with DamienD). I was specifically responding to this:


And I...
Forum: Amiga scene 26 May 2020, 10:33
Replies: 104
Views: 3,879
Posted By roondar
To make sure we're not going to have a massively...

To make sure we're not going to have a massively off-topic discussion in a thread about a rather nice game, this'll be my last reply on this topic. Should you want to discuss it further, I'm happy to...
Forum: Amiga scene 25 May 2020, 20:41
Replies: 104
Views: 3,879
Posted By roondar
It's simple. A developer basically gets to pick...

It's simple. A developer basically gets to pick two out of the following list for their game/demo:

Run great on even low end Amiga's
Look and sound great (or alternatively, actually use the...
Forum: support.Hardware 24 May 2020, 12:47
Replies: 124
Views: 14,377
Posted By roondar
Well, I'd like an overview of all the features of...

Well, I'd like an overview of all the features of the card - including the software that goes along with it. I'd also like to know how to disable it in case of incompatibilities (if this is even...
Forum: support.Hardware 24 May 2020, 12:41
Replies: 124
Views: 14,377
Posted By roondar
The future is looking bright for those of us...

The future is looking bright for those of us A1200 owners who want a 68060 but don't have one yet. Between the TF1260, the Warp 1260 and the ACA 1260 we'll be spoiled for choice :)

Gotta watch...
Forum: Coders. Asm / Hardware 22 May 2020, 18:02
Replies: 10
Views: 535
Posted By roondar
Happy to help :great

Happy to help :great
Forum: Coders. Asm / Hardware 22 May 2020, 17:41
Replies: 10
Views: 535
Posted By roondar
Here's my usual BlitBob routine for reference,...

Here's my usual BlitBob routine for reference, maybe it can help you figure out why the positioning isn't working. It does contain some stuff you may not care about (and assumes an interleaved...
Forum: Retrogaming General Discussion 22 May 2020, 16:53
Replies: 313
Views: 18,530
Posted By roondar
Oh, that does change things a bit yeah... ...

Oh, that does change things a bit yeah...

Better option in that case is probably to switch base colours a bunch of times during the screen. But at any rate you won't get a full 24 bit set then.
Forum: Retrogaming General Discussion 22 May 2020, 13:59
Replies: 313
Views: 18,530
Posted By roondar
It all depends on your perspective, I'd say. ...

It all depends on your perspective, I'd say.

As in, it's true that a single pixel HAM-8 modifier can't change more than 6 bits in one go. But on the other hand, there's nothing stopping you from...
Forum: Coders. Asm / Hardware 22 May 2020, 11:01
Replies: 10
Views: 535
Posted By roondar
You can do this, but keep in mind that blitting...

You can do this, but keep in mind that blitting to fewer bitplanes will only work as expected if there is nothing on the bitplanes "behind" the bob. If there is something behind the bob, the colours...
Forum: Coders. Asm / Hardware 21 May 2020, 15:22
Replies: 55
Views: 3,997
Posted By roondar
Ah, I did not know that. Thanks for the info!

Ah, I did not know that. Thanks for the info!
Forum: Coders. Asm / Hardware 20 May 2020, 23:07
Replies: 55
Views: 3,997
Posted By roondar
Those numbers look fine, yeah. I did some...

Those numbers look fine, yeah. I did some calculations and they came to the same numbers for the theoretical max.

In fact, yours are slightly better than the ones I used in this thread because I...
Forum: Coders. Asm / Hardware 20 May 2020, 13:59
Replies: 11
Views: 449
Posted By roondar
I tend to have a shared makefile and a "proper"...

I tend to have a shared makefile and a "proper" makefile. The shared one sets up directories, flags, etc and I include that in the "proper" one. Not really what you asked for, but it's a workaround...
Forum: Coders. Asm / Hardware 20 May 2020, 13:49
Replies: 55
Views: 3,997
Posted By roondar
If you do, keep in mind that Dual Playfield bobs...

If you do, keep in mind that Dual Playfield bobs are either 3 or 4 bitplanes deep (OCS/AGA), not 6 or 8. I made that error once or twice and it made everything seem much less nice than it was :D
Forum: Retrogaming General Discussion 20 May 2020, 13:13
Replies: 313
Views: 18,530
Posted By roondar
I'd wager the Quake software renderer is not...

I'd wager the Quake software renderer is not optimised for drawing flat shaded polygons. Definitely not on the Amiga version where it's likely going to be doing C2P, which is (AFAIK) not really...
Forum: Coders. Asm / Hardware 20 May 2020, 13:06
Replies: 55
Views: 3,997
Posted By roondar
Yeah, it's very nice having that piece of...

Yeah, it's very nice having that piece of Javascript. I've used it quite a few times now :)
Forum: Retrogaming General Discussion 19 May 2020, 17:50
Replies: 313
Views: 18,530
Posted By roondar
Many of the old untextured 3D games run very...

Many of the old untextured 3D games run very nicely on an 060 indeed. Though some suffer from the CPU being too fast ;)
Forum: Coders. Asm / Hardware 19 May 2020, 17:45
Replies: 55
Views: 3,997
Posted By roondar
The efficiency figures are basically a rough...

The efficiency figures are basically a rough estimate based on my own Blitter code. It was tested by looking at how many Bobs I could draw in a frame, timing how long that took and subtracting the...
Forum: support.Hardware 18 May 2020, 21:13
Replies: 19
Views: 594
Posted By roondar
Didn't all official ECS machines (A500+, A600 &...

Didn't all official ECS machines (A500+, A600 & A3000) all have KS 2.x?
I'm fairly certain all of those don't need a HW mod either to be able to switch.

Or are you talking about the batch of...
Forum: Retrogaming General Discussion 18 May 2020, 20:44
Replies: 313
Views: 18,530
Posted By roondar
If you're intending to run NTSC (60 fps) then the...

If you're intending to run NTSC (60 fps) then the screen does become a bit smaller (max NTSC overscan on the Amiga is 320x241) so it's slightly better. Or you could opt for a PAL based game but keep...
Forum: Retrogaming General Discussion 18 May 2020, 17:32
Replies: 313
Views: 18,530
Posted By roondar
Ah, one thing to note on Blitter clears that may...

Ah, one thing to note on Blitter clears that may not have been perfectly clear: due to the idle cycles the Blitter clear has, it can only reach 50% of it's normal bandwidth. This means that it can...
Showing results 1 to 40 of 1931

 
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