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Forum: Amiga scene Today, 16:05
Replies: 1,216
Views: 234,302
Posted By roondar
Going back to the topic of the actual thread...

Going back to the topic of the actual thread here, those new monsters look pretty cool. I've also checked out the Discord and there's a lot of people making maps etc right now. This is going to be...
Forum: project.Amiga Game Factory Today, 11:05
Replies: 191
Views: 41,622
Posted By roondar
AFAIK, the 'fastest' way to do real-time...

AFAIK, the 'fastest' way to do real-time X-flipping* is storing the bobs with 50% of them facing one side and 50% facing the other side (usually done top vs bottom) and then when you need to draw the...
Forum: Retrogaming General Discussion 30 November 2021, 15:38
Replies: 20
Views: 616
Posted By roondar
Yeah, authenticity to the max - you show it to us...

Yeah, authenticity to the max - you show it to us the way it really was :great
Forum: News 25 November 2021, 22:04
Replies: 72
Views: 5,196
Posted By roondar
Sorry for your loss, my condolences

Sorry for your loss, my condolences
Forum: Coders. Asm / Hardware 20 November 2021, 18:39
Replies: 23
Views: 1,461
Posted By roondar
I'd wager this question is for Muzza's excellent...

I'd wager this question is for Muzza's excellent Turrican 2 AGA project, in which case Kickstart 1.3 is not really a problem to worry about.
Forum: Coders. Asm / Hardware 18 November 2021, 17:39
Replies: 18
Views: 834
Posted By roondar
Ah, that's what I meant. I.E. the write to...

Ah, that's what I meant. I.E. the write to BPLCON0 itself isn't likely to be the culprit, but it could trigger some other issue. The trick is finding that issue :)
Forum: Coders. Asm / Hardware 18 November 2021, 16:08
Replies: 18
Views: 834
Posted By roondar
Ah, you're right of course. Usually you don't...

Ah, you're right of course. Usually you don't need to write COPJMP1 with the CPU at all. Somehow I keep having the notion that you need to do that once at start of Copper DMA in my mind. Probably...
Forum: Coders. Asm / Hardware 18 November 2021, 10:57
Replies: 18
Views: 834
Posted By roondar
Just to add my 2 cents on this one: aros-sg &...

Just to add my 2 cents on this one: aros-sg & ross speak volumes of wisdom here!

I recently had a sporadic bug on real hardware that did not occur on emulation and it was exactly this. I was well...
Forum: project.Amiga Game Factory 16 November 2021, 23:54
Replies: 230
Views: 41,187
Posted By roondar
Nice, thanks for yet another great update :)

Nice, thanks for yet another great update :)
Forum: Retrogaming General Discussion 10 November 2021, 15:49
Replies: 81
Views: 4,195
Posted By roondar
I've always been a bit of closet Plus/4 fan. Back...

I've always been a bit of closet Plus/4 fan. Back in the day, magazines used to print listings and the Plus/4 ones were so much nicer (better basic than the C64 for sure - though that was perhaps not...
Forum: Retrogaming General Discussion 10 November 2021, 15:25
Replies: 81
Views: 4,195
Posted By roondar
My post was meant to be about two things: ...

My post was meant to be about two things:

1) people using a particular C64 palette which is not a very good match to the real system (it is in fact even less vivid than the system really outputs)...
Forum: Retrogaming General Discussion 10 November 2021, 12:43
Replies: 81
Views: 4,195
Posted By roondar
Ah, I sometimes do forget that not everyone had a...

Ah, I sometimes do forget that not everyone had a TV (or monitor) just for use with their C64 (and later Amiga) :D

I never used my TV for watching TV (my parents only allowed me a TV in my room...
Forum: Retrogaming General Discussion 10 November 2021, 12:19
Replies: 81
Views: 4,195
Posted By roondar
Yeah, nothing says 'never yielding' like ending...

Yeah, nothing says 'never yielding' like ending the post with "if you don't like the colours, fair enough" ;)
Forum: Retrogaming General Discussion 10 November 2021, 11:54
Replies: 81
Views: 4,195
Posted By roondar
I don't really buy into the idea that 1980's...

I don't really buy into the idea that 1980's computers had an intended palette (in the sense that the creators had a strong vision regarding how the colours ought to look on screen), nor into the...
Forum: project.Amiga Game Factory 10 November 2021, 11:25
Replies: 338
Views: 38,733
Posted By roondar
Nice stuff as usual, animation on the boss looks...

Nice stuff as usual, animation on the boss looks nice and smooth too :)
Forum: Retrogaming General Discussion 10 November 2021, 11:24
Replies: 81
Views: 4,195
Posted By roondar
That is the 'old' Pepto PAL palette, which has...

That is the 'old' Pepto PAL palette, which has been superseded by his newer, more accurate effort (found here: https://www.colodore.com/). Note that the newer colours in the 'Colodore palette' are...
Forum: Retrogaming General Discussion 09 November 2021, 15:44
Replies: 81
Views: 4,195
Posted By roondar
Elite on the BBC Micro was an eye-opener for me...

Elite on the BBC Micro was an eye-opener for me when I first saw it a few years ago. See, I played the C64 version, which errr taught me patience :D
(still an epic game though, no matter how low the...
Forum: Retrogaming General Discussion 09 November 2021, 13:22
Replies: 81
Views: 4,195
Posted By roondar
For me, the best 8-bit system will always be the...

For me, the best 8-bit system will always be the one I had myself (i.e. the C64). I guess this is actually true for most people though, nostalgia plays a major role in these kind of questions ;)
...
Forum: Coders. Asm / Hardware 09 November 2021, 12:04
Replies: 9
Views: 709
Posted By roondar
Yeah, I've seen similar things happen with...

Yeah, I've seen similar things happen with several languages/compilers/assemblers. Really annoying.

For those who use Notepad++ to code, you can find such characters using Search ==> Find...
Forum: Amiga scene 07 November 2021, 23:33
Replies: 32
Views: 2,943
Posted By roondar
Cool stuff as usual :)

Cool stuff as usual :)
Forum: Coders. Asm / Hardware 07 November 2021, 16:54
Replies: 23
Views: 2,105
Posted By roondar
Yes, that's exactly right. You set the correct...

Yes, that's exactly right. You set the correct value for the COP1LC in the Copperlist itself and then trigger the jump when needed.

It's often useful to keep COP1LC as is and instead use COP2LC...
Forum: Amiga scene 04 November 2021, 15:02
Replies: 412
Views: 79,332
Posted By roondar
Wow, that's horrible! What a mess :( Hope...

Wow, that's horrible!
What a mess :(

Hope you'll still have fun finishing the game, can't be nice when something like that happens to you!
Forum: Coders. Asm / Hardware 01 November 2021, 17:06
Replies: 4
Views: 867
Posted By roondar
If you get rid of the Copper waits, the Sprite...

If you get rid of the Copper waits, the Sprite DMA will read the Sprite Control words itself. Basically, when multiplexing, you either need to set the Sprite Control words manually (usually using the...
Forum: Coders. Asm / Hardware 01 November 2021, 16:53
Replies: 4
Views: 867
Posted By roondar
My first guess is that it looks like the Sprites...

My first guess is that it looks like the Sprites are either also displaying the Sprite control words (meaning, the Sprite control words are not just set by you in the Copperlist, they're also part of...
Forum: Coders. Asm / Hardware 01 November 2021, 00:10
Replies: 7
Views: 886
Posted By roondar
Ah, there's a trick to it. Due to the Copper...

Ah, there's a trick to it. Due to the Copper using the top bit of the wait command for the status of the Blitter as well as rasterline positions over $80, waiting on horizontal positions only works...
Forum: Retrogaming General Discussion 01 November 2021, 00:02
Replies: 138
Views: 18,654
Posted By roondar
It's an interesting question. To me it always...

It's an interesting question. To me it always seems that at the very least a sizable chunk of Amigans want to have every port "Arcade Perfect" or it that's not possible, then just not to bother.

I...
Forum: Coders. Asm / Hardware 31 October 2021, 20:02
Replies: 6
Views: 940
Posted By roondar
Yeah, quite a few games used them to great...

Yeah, quite a few games used them to great effect. Mind you, if you are careful with what colours you use for Bobs vs the rest of the graphics you might not even need to keep them clear of Bobs. The...
Forum: Coders. Asm / Hardware 30 October 2021, 21:26
Replies: 6
Views: 940
Posted By roondar
The Copper has a 4 pixel resolution for the wait...

The Copper has a 4 pixel resolution for the wait instruction, sadly.

To answer your question about horizontal Copper use, well - it's probably possible, though on OCS/ECS systems like the A500 it...
Forum: Coders. Asm / Hardware 28 October 2021, 18:57
Replies: 50
Views: 4,543
Posted By roondar
The difficulty regarding misalignment is that...

The difficulty regarding misalignment is that you'd need to know exactly how the 68020 treats the various cases that can happen given that it prefetches 32 bits at a time. Determining starting...
Forum: Coders. Asm / Hardware 28 October 2021, 10:39
Replies: 50
Views: 4,543
Posted By roondar
This is a very cool tool - extremely useful. It...

This is a very cool tool - extremely useful.
It can save me a lot of work for the optimisation phase!

In fact, the only possible major improvement I can see would be to be able to select CPU type...
Forum: project.Amiga Game Factory 21 October 2021, 16:24
Replies: 338
Views: 38,733
Posted By roondar
Just to be 100% on this: I already love the GFX...

Just to be 100% on this: I already love the GFX for the title screen (and in game!) as is. Looking forward to seeing the rework :bowdown

Yup, HAM is not nice to use. It's slow, memory hungry and...
Forum: project.Amiga Game Factory 21 October 2021, 14:44
Replies: 338
Views: 38,733
Posted By roondar
Six bitplane bitmaps/blitter objects are 20%...

Six bitplane bitmaps/blitter objects are 20% larger than 5 bitplane ones. Which is quite a lot for A500 games, where Chip Memory size is one of the biggest system bottlenecks. You'd be surprised how...
Forum: project.Amiga Game Factory 19 October 2021, 16:49
Replies: 56
Views: 7,838
Posted By roondar
Technically, the 64 pixel wide sprites are...

Technically, the 64 pixel wide sprites are achieved using 4x fetch mode for sprites. Hence, both bitplane fetch and sprite size are set using the same register, FMODE.

By the way, I loved the...
Forum: Amiga scene 19 October 2021, 15:40
Replies: 1,216
Views: 234,302
Posted By roondar
You could always go the 'Turrican 1 level 1-1...

You could always go the 'Turrican 1 level 1-1 background colour change' route and fade from one set of colours to the next gradually as you approach the area with new palette.

This will certainly...
Forum: Amiga scene 18 October 2021, 14:28
Replies: 1,216
Views: 234,302
Posted By roondar
Both, you can use an app (phone or desktop) or...

Both, you can use an app (phone or desktop) or use the browser :)
Forum: Coders. Asm / Hardware 15 October 2021, 11:28
Replies: 6
Views: 901
Posted By roondar
I'm guessing the problem is as follows. The...

I'm guessing the problem is as follows. The $ffdf,$fffe wait is the wait needed to be able to use further Copper wait instructions below line 255 (this wait is needed on PAL Amiga's). It's a very...
Forum: Amiga scene 14 October 2021, 10:40
Replies: 39
Views: 2,910
Posted By roondar
How could I forget one of my favourite Amiga...

How could I forget one of my favourite Amiga games!?
Yeah, definitely!
Forum: project.Amiga Game Factory 13 October 2021, 19:53
Replies: 56
Views: 7,838
Posted By roondar
I love this, clever trick with the building....

I love this, clever trick with the building. Really looking forward to see more :)
Forum: Coders. General 13 October 2021, 16:09
Replies: 265
Views: 64,935
Posted By roondar
Very good news :great

Very good news :great
Forum: Amiga scene 12 October 2021, 16:08
Replies: 39
Views: 2,910
Posted By roondar
Xiphos (http://hol.abime.net/1608) is also a nice...

Xiphos (http://hol.abime.net/1608) is also a nice entry. A bit of niche game, but well done and runs well for an A500.
Apart from those, I'd like to add my '+1' to Subwar 2050 (very nice and...
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