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Forum: Retrogaming General Discussion Yesterday, 17:54
Replies: 17
Views: 568
Posted By roondar
I have several Amiga's. And in all honesty the...

I have several Amiga's. And in all honesty the only one I actually regularly end up using the last year or so is the A1200. Coupled with a bit of RAM and WHDLoad it can do almost everything.

Now I...
Forum: Coders. General Yesterday, 16:12
Replies: 780
Views: 63,162
Posted By roondar
Nope. Professional developer, but never in games....

Nope. Professional developer, but never in games.
My Amiga "coding obsession" was mostly borne out of regret: back in the day I didn't have a hardware reference manual (or a proper knowledge of...
Forum: Coders. General Yesterday, 15:33
Replies: 780
Views: 63,162
Posted By roondar
Funny you should say that... I may have written...

Funny you should say that... I may have written an article about that idea at one time http://powerprograms.nl/amiga/dpl-fastbobs.html :D

AGT does sound quite interesting. I'm not too sure all of...
Forum: Coders. General Yesterday, 15:16
Replies: 780
Views: 63,162
Posted By roondar
Actually, I was thinking more of just outright...

Actually, I was thinking more of just outright cutting out the background with a shifted copy blit and then blitting the now missing parts of the background back in via one or more cookie-cut blits....
Forum: Coders. General Yesterday, 15:00
Replies: 780
Views: 63,162
Posted By roondar
Well, technically I suppose you can use a...

Well, technically I suppose you can use a somewhat similar trick on the Amiga: blit the transparent surrounding using cookiecut blit(s) and blit the centre using copy blits (though the order matters...
Forum: Coders. Asm / Hardware Yesterday, 14:48
Replies: 6
Views: 135
Posted By roondar
All coders are a bit lazy, right? Otherwise why...

All coders are a bit lazy, right?
Otherwise why spend all that effort to get the computer to do stuff for us instead of doing it ourself? :p
Forum: Coders. General Yesterday, 14:44
Replies: 780
Views: 63,162
Posted By roondar
I'm still impressed by the 1 pass masking* method...

I'm still impressed by the 1 pass masking* method on the STE Blitter (basically it completely changed things for the STE's objects Blitter drawing speed). It's a very clever way to do things. And...
Forum: Coders. General Yesterday, 13:18
Replies: 780
Views: 63,162
Posted By roondar
I think the pace might be possible to be improved...

I think the pace might be possible to be improved (as in faster movement, faster animations), but the numbers of frames & objects are not going to happen. Same with the parallax levels/style.
Forum: Coders. General Yesterday, 12:03
Replies: 780
Views: 63,162
Posted By roondar
I love it! The ship flying over it made my day...

I love it!
The ship flying over it made my day :D
(on a side note, that green palette kinda works for the ship too, interesting look)
Forum: Coders. General Yesterday, 10:24
Replies: 780
Views: 63,162
Posted By roondar
Truthfully, there's three reasons I've not made...

Truthfully, there's three reasons I've not made anything for this game/project:


Personal reasons mean the actual time I spend on any form of hobby coding has been extremely limited for most of...
Forum: Coders. General 21 October 2020, 17:44
Replies: 780
Views: 63,162
Posted By roondar
Saw the above on my phone, so only going to say...

Saw the above on my phone, so only going to say one thing: I misused the word facsimile then. I had always understood it to mean something along the lines of “a reasonable representation” (as in a...
Forum: Coders. General 21 October 2020, 16:35
Replies: 780
Views: 63,162
Posted By roondar
In my opinion? Yup, it's exactly the right kind...

In my opinion?
Yup, it's exactly the right kind of choice to actually get something done :great

We here in Amiga forum land get far too hung up on details like numbers of layers of parallax or...
Forum: Coders. General 21 October 2020, 15:46
Replies: 780
Views: 63,162
Posted By roondar
Something I find rather interesting. Here on the...

Something I find rather interesting. Here on the Amiga forum we're still telling each other that no port can really work on the A500, or alternatively discussing minutia of the OCS chipset in an...
Forum: support.Games 20 October 2020, 17:55
Replies: 20
Views: 570
Posted By roondar
I'm a bit confused about the whole thing. Why...

I'm a bit confused about the whole thing. Why change configs while WinUAE is running to begin with? That seems like a sure fire way to screw things up to me?

Does it run if you don't change config...
Forum: Coders. General 20 October 2020, 17:44
Replies: 780
Views: 63,162
Posted By roondar
If you want to use hardware sprites, I see three...

If you want to use hardware sprites, I see three basic options:

Use them as background parallax layer (4 colours)
Use them for the player sprite and as many player projectiles as you can get...
Forum: Amiga scene 20 October 2020, 15:01
Replies: 704
Views: 76,976
Posted By roondar
Looking good, still very much looking forward to...

Looking good, still very much looking forward to this one :)
Forum: Amiga scene 20 October 2020, 10:58
Replies: 15
Views: 625
Posted By roondar
It's true that you could get Xenix for the...

It's true that you could get Xenix for the machine, which was 32 bit and as it was basically Unix so obviously multitasking. But the default GUI based OS on the Lisa (Lisa OS) did not pre-emptively...
Forum: Retrogaming General Discussion 19 October 2020, 15:56
Replies: 4
Views: 589
Posted By roondar
Master of Orion on Amiga: in many ways the same...

Master of Orion on Amiga: in many ways the same game as the PC, but to fit the A500 with 1MB/floppy drive only scenario there's more loading times and less animations.

Same with Master of Magic.
Forum: Coders. Asm / Hardware 19 October 2020, 10:26
Replies: 9
Views: 568
Posted By roondar
I don't have exactly what you're asking for, but...

I don't have exactly what you're asking for, but I did make some soft-blitting routines for the 68020 as a part of my experiment in using the CPU and Blitter concurrently.

You can find my article...
Forum: Coders. General 19 October 2020, 00:53
Replies: 780
Views: 63,162
Posted By roondar
If you go 16 colours, you should be able to make...

If you go 16 colours, you should be able to make "maximum use" of the hardware sprites. These can then potentially fill some of the colour needs.
Forum: Retrogaming General Discussion 19 October 2020, 00:52
Replies: 83
Views: 2,995
Posted By roondar
Just a minor note: Amiga text/font rendering can...

Just a minor note: Amiga text/font rendering can actually be quick. I know no one actually did this so it's not quite a common way the system was used, but if what you want is fast text then you can...
Forum: Coders. General 17 October 2020, 19:55
Replies: 780
Views: 63,162
Posted By roondar
I definitely understand that feeling and mostly,...

I definitely understand that feeling and mostly, I feel the same way. It's just that recently I've been seeing some STE stuff in particular that just makes me wonder what could be achieved on an A500...
Forum: Coders. General 17 October 2020, 13:45
Replies: 780
Views: 63,162
Posted By roondar
Yeah, back then it was very expensive. But today...

Yeah, back then it was very expensive. But today it's not really anymore and that's kind my point. The ST/STE community has embraced using more memory on low-end machines in what they build more than...
Forum: Retrogaming General Discussion 17 October 2020, 13:39
Replies: 83
Views: 2,995
Posted By roondar
I personally felt the troll was the reason for...

I personally felt the troll was the reason for some of the idolisation (not that I really know as I felt the direction those threads were going and left most of them early). Then again, you also had...
Forum: Retrogaming General Discussion 16 October 2020, 15:28
Replies: 83
Views: 2,995
Posted By roondar
I do agree, but I also feel that recognizing the...

I do agree, but I also feel that recognizing the wider significance of things should also include recognizing such when the Amiga has such things going for it and in fairness, it seems to me this...
Forum: Coders. General 16 October 2020, 15:10
Replies: 780
Views: 63,162
Posted By roondar
True, but the same goes for the Amiga so I don't...

True, but the same goes for the Amiga so I don't really consider it a big advantage. Adding extra fast memory to the A500 is actually super simple, you usually don't even need to open the case ;)...
Forum: Coders. Asm / Hardware 16 October 2020, 15:07
Replies: 21
Views: 709
Posted By roondar
Yeah the jsfiddle is still awesome :) I lowered...

Yeah the jsfiddle is still awesome :)
I lowered my ballpark figures (which assumed the 3rd buffer draw/restore method) a bit from the 63 it gave to allow for setting up the Blitter with the CPU....
Forum: Coders. Asm / Hardware 15 October 2020, 23:47
Replies: 21
Views: 709
Posted By roondar
That's quite clever, might try something like...

That's quite clever, might try something like that :)
Forum: Retrogaming General Discussion 15 October 2020, 23:33
Replies: 83
Views: 2,995
Posted By roondar
Don't tell anyone... But the first six months or...

Don't tell anyone... But the first six months or so of my A500 ownership I was actually a bit disappointed, I missed my C64 a lot. Wasn't until I got a 512KB memory expansion, some more games and a...
Forum: Coders. Asm / Hardware 15 October 2020, 23:27
Replies: 21
Views: 709
Posted By roondar
Yeah, AD blits are twice as fast as cookie cut...

Yeah, AD blits are twice as fast as cookie cut blits, that's true.

Like I said, I think your (and PHX's) use of this technique is enough for me to revisit it at least one more time. It's a very...
Forum: Retrogaming General Discussion 15 October 2020, 23:14
Replies: 83
Views: 2,995
Posted By roondar
Though this is a silly thread that has all the...

Though this is a silly thread that has all the potential for becoming a nasty, nasty place... I did vote, for the A500.

Reason: it's what I had back then, it's what I loved back then (and indeed...
Forum: Coders. Asm / Hardware 15 October 2020, 23:05
Replies: 21
Views: 709
Posted By roondar
Hmm, I might have to retest it then. In my tests...

Hmm, I might have to retest it then. In my tests the 3rd buffer approach was always clearly the fastest option (in particular by a sizeable margin compared to the restore buffer option), even if I...
Forum: Coders. Asm / Hardware 15 October 2020, 15:38
Replies: 21
Views: 709
Posted By roondar
Indeed, what I tend to do is storing the source &...

Indeed, what I tend to do is storing the source & destination address, Blitter size register value and D modulo value (assuming I'm not missing a value here - I think this is correct :D). One of...
Forum: Coders. General 15 October 2020, 15:30
Replies: 780
Views: 63,162
Posted By roondar
I'm not going to restart that discussion here...

I'm not going to restart that discussion here (honestly, I can see the point of both sides in it), but the short version is there was a prior set of example screenshots for Proxima 3 before Richard...
Forum: Coders. General 15 October 2020, 14:55
Replies: 11
Views: 1,940
Posted By roondar
Impressive stuff, especially since it's aimed at...

Impressive stuff, especially since it's aimed at AMOS. Looking really good :)
Forum: Coders. General 15 October 2020, 14:51
Replies: 780
Views: 63,162
Posted By roondar
Yes, the transparent clouds are indeed an example...

Yes, the transparent clouds are indeed an example of the effect I was talking about. Same with the -admittedly rather subtle- transparency in Skillgrid (each layer in that game is slightly...
Forum: Coders. Asm / Hardware 15 October 2020, 13:48
Replies: 21
Views: 709
Posted By roondar
It's going to be slower than the 3rd buffer...

It's going to be slower than the 3rd buffer approach. Not so sure about it being slower than the restore buffer approach. Would depend a bit on how much effort fetching the tiles from the array takes...
Forum: Coders. Asm / Hardware 15 October 2020, 13:28
Replies: 21
Views: 709
Posted By roondar
Well, the two "standard" ways of Blitter...

Well, the two "standard" ways of Blitter restoring are either to use a small restore buffer per bob blit (so you copy the rectangle the bob is to occupy to a buffer zone before blitting and then...
Forum: Coders. General 15 October 2020, 13:09
Replies: 780
Views: 63,162
Posted By roondar
Just to put this out there: I wasn't really...

Just to put this out there: I wasn't really talking about using Dual Playfield as such. More stuff like how Skillgrid and the Reshoot series use bitplanes for Transparancy effects or how some few...
Forum: Coders. General 15 October 2020, 12:20
Replies: 780
Views: 63,162
Posted By roondar
Changing the palette every PAL field (i.e. every...

Changing the palette every PAL field (i.e. every 1/50th of a second) to mix colours together on a CRT, creating the illusion of more colours/a deeper palette. I probably should've used the word...
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