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Forum: Coders. Asm / Hardware Today, 00:14
Replies: 2
Views: 81
Posted By roondar
CPU Assisted Blitting example + source

A while ago I had the idea to make the CPU and Blitter work together for blitting bobs on an unexpanded Amiga 1200. The idea being that the 32 bit access to chip memory of the 68020, coupled with the...
Forum: Retrogaming General Discussion Yesterday, 23:23
Replies: 36
Views: 1,074
Posted By roondar
It might be interesting to note that Lemon Amiga...

It might be interesting to note that Lemon Amiga scores this game a 7.3 out of 10 based on 228 votes. Which is a good three points more than I'd personally rank it, but does show that there is a...
Forum: Amiga scene 17 February 2020, 12:06
Replies: 217
Views: 19,752
Posted By roondar
I'm rather hoping for the ACA 1240/1260 cards and...

I'm rather hoping for the ACA 1240/1260 cards and the Reloaded to appear one day. I have the C64 reloaded and it's pretty awesome to not have to worry about caps/resistors/power supplies/etc for a...
Forum: Amiga scene 17 February 2020, 11:46
Replies: 16
Views: 852
Posted By roondar
Using Dual Playfield mode for one Copper...

Using Dual Playfield mode for one Copper controlled road layer and one graphics layer is a very smart move. Done well, that makes drawing the road pretty much "free". The cost is obviously a low...
Forum: Looking for a game name ? 17 February 2020, 11:43
Replies: 9
Views: 673
Posted By roondar
For some reason, I really rather liked this game...

For some reason, I really rather liked this game back in the day. Didn't know about the PC version though.
Forum: Coders. General 17 February 2020, 11:41
Replies: 13
Views: 646
Posted By roondar
I'm going to be using hamconvert for now (which...

I'm going to be using hamconvert for now (which is a very nice tool, by the way). Writing a proper colour quantisation algorithm for EHB is probably going to take more time than I want to spend on it...
Forum: OT - General 16 February 2020, 01:05
Replies: 7
Views: 243
Posted By roondar
Thanks for the tip. I'll check it out!

Thanks for the tip. I'll check it out!
Forum: Coders. General 16 February 2020, 00:32
Replies: 13
Views: 646
Posted By roondar
Thanks, I'll check it out!

Thanks, I'll check it out!
Forum: OT - General 16 February 2020, 00:31
Replies: 7
Views: 243
Posted By roondar
Thumbs down Wow... Oracle/JRE download

So I decided to download hamconvert as suggested to me elsewhere. Turns out I don't yet have the Java Runtime. No problem, I'll just download it.

Wait... I need an account to download the runtime...
Forum: Nostalgia & memories 15 February 2020, 23:54
Replies: 65
Views: 12,728
Posted By roondar
Actually, you can play Dragon's Lair in...

Actually, you can play Dragon's Lair in hires/interlaced. I forget which key you have to press, but you can switch to that mode in the game.

It does default to lowres though.
Edit: found it....
Forum: Coders. General 15 February 2020, 23:51
Replies: 13
Views: 646
Posted By roondar
Yeah, J is something else. Give me 68000 assembly...

Yeah, J is something else. Give me 68000 assembly any day over that!

I'll be checking out HAMconvert. See if that actually does create 64 colour images when converting to EHB ;)
Forum: Coders. General 15 February 2020, 15:06
Replies: 13
Views: 646
Posted By roondar
Well, I want to convert a whole bunch of pictures...

Well, I want to convert a whole bunch of pictures (on the order of 200-300). I suppose I could use PPaint for it, but I thought it might be simple to just make a small program that does it manually....
Forum: Retrogaming General Discussion 14 February 2020, 18:25
Replies: 44
Views: 2,057
Posted By roondar
Looking at the list you provided and the rest...

Looking at the list you provided and the rest over at hol.abime.net... Castle Kingdoms definitely looks like my kind of game, love the artwork. Screenshots for Nucleus also look rather nice.

I'll...
Forum: Coders. General 14 February 2020, 17:03
Replies: 13
Views: 646
Posted By roondar
Question Converting a given palette to Extra Half-Brite

I've been wondering lately how you'd properly convert colours to an EHB specific palette. For non-EHB I can think of several approaches, but for EHB I'm kind of stumped on how to deal with the...
Forum: Retrogaming General Discussion 14 February 2020, 16:42
Replies: 44
Views: 2,057
Posted By roondar
These look very cool. Will there be any promotion...

These look very cool. Will there be any promotion videos and screenshots or stuff like that for the games? I have to admit not actually knowing any of them, but I'd love to learn more about them :)
Forum: Retrogaming General Discussion 14 February 2020, 12:29
Replies: 55
Views: 1,884
Posted By roondar
It's almost impossible to answer this question...

It's almost impossible to answer this question accurately. There are far too many variables to consider. It's already quite difficult to accurately measure the performance difference between two...
Forum: Amiga scene 14 February 2020, 12:07
Replies: 316
Views: 37,165
Posted By roondar
It all depends on what type of video I'm doing....

It all depends on what type of video I'm doing. Looking at the last three videos on my channel, the Powerglove one took about 2-3 hours in total (plus rendering and uploading), of which about 1-1 1/2...
Forum: Amiga scene 13 February 2020, 18:36
Replies: 316
Views: 37,165
Posted By roondar
Sure, it's over at...

Sure, it's over at https://www.youtube.com/channel/UCMgOw1XCs8Ro5UjqocybXHg
But I do expect a link to your finished video in return when it's ready ;)
Forum: Amiga scene 13 February 2020, 16:34
Replies: 316
Views: 37,165
Posted By roondar
Glad to be of help :) I started out with a...

Glad to be of help :)

I started out with a free editor that came with my analog capture card. I believe is was called VideoEasy. It didn't work for me because it didn't actually let you do all...
Forum: Amiga scene 13 February 2020, 11:47
Replies: 316
Views: 37,165
Posted By roondar
That might be worth adding to my list :D As...

That might be worth adding to my list :D

As in: best keep in mind your target audience, they just want to see the engine/game and don't mind the rest as much :great
Forum: Amiga scene 13 February 2020, 11:30
Replies: 316
Views: 37,165
Posted By roondar
I've done some video editing for the videos on my...

I've done some video editing for the videos on my YouTube channel. Varying from really simple stuff to more complicated scenes.

In general, I'd say there's many ways to make it easier/quicker, but...
Forum: Amiga scene 12 February 2020, 18:24
Replies: 511
Views: 50,164
Posted By roondar
Not quite. As Predseda pointed out earlier, it...

Not quite. As Predseda pointed out earlier, it all has to do with the video standards. Apart from 50 vs 60 Hz (and a different colour carrier), there's not actually that much of a difference between...
Forum: Retrogaming General Discussion 12 February 2020, 18:16
Replies: 42
Views: 2,363
Posted By roondar
Oh, but I agree. My guess was somewhere between...

Oh, but I agree. My guess was somewhere between 50 and 100, which is pretty much the same as what you're saying. I think we're actually agreeing here :D

The only point I was making was that there...
Forum: Retrogaming General Discussion 12 February 2020, 18:11
Replies: 87
Views: 3,136
Posted By roondar
That's very cool actually. It'll be interesting...

That's very cool actually. It'll be interesting to see what it can do once available.
Forum: support.Hardware 11 February 2020, 23:45
Replies: 3
Views: 134
Posted By roondar
Managed to find the manual. It has an RGB status...

Managed to find the manual. It has an RGB status voltage switch, pressing that restores the image so it seems your suggestion is indeed correct. Thanks for the help, I now know what needs to be fixed!
Forum: support.Hardware 11 February 2020, 23:41
Replies: 3
Views: 134
Posted By roondar
I'm not sure it needs that, it's connected to a...

I'm not sure it needs that, it's connected to a Philips CM8833. Don't have the manual of that one at the ready as it's a 2nd hand one. Let me see if I can find something on Google.
Forum: support.Hardware 11 February 2020, 23:22
Replies: 3
Views: 134
Posted By roondar
Unhappy A1200 RGB out broken

So today I did something monumentally stupid and plugged in the RGB video cable while my A1200 & monitor were both on. I normally never do this, but I had forgotten to plug it in and well... I wanted...
Forum: support.Other 11 February 2020, 10:46
Replies: 11
Views: 256
Posted By roondar
I once had a similar problem when loading in an...

I once had a similar problem when loading in an Amiga sample because the PC side program decided it was in stereo rather than mono. Which was rather silly when you think about it, because the...
Forum: Nostalgia & memories 11 February 2020, 10:45
Replies: 18
Views: 583
Posted By roondar
I do enjoy it and think some of the animations...

I do enjoy it and think some of the animations are quite clever, but never understood why the animations ran so slowly on the Amiga.
Forum: Coders. Asm / Hardware 11 February 2020, 10:43
Replies: 6
Views: 452
Posted By roondar
Just to save you some potential trouble: my...

Just to save you some potential trouble: my number one error in making in right-to-left scroller is forgetting to allocate space on the left side of the bitmap. Or rather: allocating it just fine,...
Forum: Amiga scene 10 February 2020, 18:05
Replies: 511
Views: 50,164
Posted By roondar
Yes and no :p Faster CPU's take fewer cycles...

Yes and no :p

Faster CPU's take fewer cycles to complete their actions (so say a MULU or DIVS running on the A1200/68020 might be four times as fast as on an A500 with 68000), but any memory...
Forum: Amiga scene 10 February 2020, 16:49
Replies: 511
Views: 50,164
Posted By roondar
Well, it's a long-shot for sure. But it can't...

Well, it's a long-shot for sure. But it can't really hurt to try (if Steril707 even wants that - it's his game and not mine, I'm just offering my 2 cents :)).
Forum: Amiga scene 10 February 2020, 16:33
Replies: 511
Views: 50,164
Posted By roondar
Just as an idea: it may be possible (though it'd...

Just as an idea: it may be possible (though it'd need testing) to allow NTSC mode for accelerated Amiga's or Amiga's with real fast memory and manage to do so without dropping frames*. But I'm...
Forum: Retrogaming General Discussion 10 February 2020, 16:29
Replies: 87
Views: 3,136
Posted By roondar
Yup. The Amiga Blitter (and the rest of the Amiga...

Yup. The Amiga Blitter (and the rest of the Amiga custom chips) can only operate in Chip RAM.

It can only fill 16 bit values (I mean the width of a pattern based clear here, it's obviously not...
Forum: Retrogaming General Discussion 10 February 2020, 15:09
Replies: 87
Views: 3,136
Posted By roondar
The Amiga Blitter actually was pretty good,...

The Amiga Blitter actually was pretty good, considering it did this back in 1985 and only uses half the bus while clearing, meaning you can interleave Blitter clearing with CPU clearing for about...
Forum: Amiga scene 10 February 2020, 12:40
Replies: 511
Views: 50,164
Posted By roondar
That part of the post wasn't meant all that...

That part of the post wasn't meant all that seriously :D
Forum: Amiga scene 10 February 2020, 12:25
Replies: 511
Views: 50,164
Posted By roondar
Thinking about it some more, I got it...

Thinking about it some more, I got it backwards... PAL Amiga's were released later, the NTSC models are the original spec. So in essence, Commodore made the PAL Amiga's "too fast" by, err, not...
Forum: Amiga scene 10 February 2020, 12:14
Replies: 511
Views: 50,164
Posted By roondar
Yeah, it's a shame the NTSC Amiga's and PAL...

Yeah, it's a shame the NTSC Amiga's and PAL Amiga's really only changed their respective frame rate. NTSC Amiga's really should've run the Chipset/CPU at an about 17% higher clockrate than the measly...
Forum: Retrogaming General Discussion 10 February 2020, 12:08
Replies: 87
Views: 3,136
Posted By roondar
Not to defend the practice of 25Hz updates (50Hz...

Not to defend the practice of 25Hz updates (50Hz is obviously much more desirable and probably the only correct choice for 2D games released today), but I do think I understand why it happened.

On...
Forum: Amiga scene 09 February 2020, 22:48
Replies: 511
Views: 50,164
Posted By roondar
It's well deserved, the game looks great - it's...

It's well deserved, the game looks great - it's all very professional, even before the beta test.
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