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Forum: OT - General 23 March 2019, 15:11
Replies: 24
Views: 1,715
Posted By roondar
To reiterate this (just to be sure): I've already...

To reiterate this (just to be sure): I've already said I don't agree with the method used here, I think it's rather extreme considering the subject matter.

However, freezing assets (such as bank...
Forum: OT - General 23 March 2019, 14:06
Replies: 24
Views: 1,715
Posted By roondar
Note: I am very sympathetic to the problems Peter...

Note: I am very sympathetic to the problems Peter is having right now and do not wish him ill. My post here is about the principles behind it, not me saying I agree with what is happening to him...
Forum: Coders. General 21 March 2019, 13:40
Replies: 492
Views: 32,825
Posted By roondar
Perhaps, but both of those games are in fairly...

Perhaps, but both of those games are in fairly representative of how games on these platforms looked at the time of publishing. Most 1989 C64 games look about the same or worse. This is also born out...
Forum: Coders. General 20 March 2019, 18:10
Replies: 492
Views: 32,825
Posted By roondar
https://i.imgur.com/8XIrvET.png C64 version:...

https://i.imgur.com/8XIrvET.png

C64 version:
http://eab.abime.net/attachment.php?attachmentid=62538&stc=1&d=1553098280
Hmmm.... Rose tinted glasses?
I get that too from to time, the C64 is...
Forum: Coders. Asm / Hardware 20 March 2019, 17:47
Replies: 29
Views: 1,043
Posted By roondar
I'm sure people writing code like that will put a...

I'm sure people writing code like that will put a little note in the comments as to what it does. I most likely would, because it's easy to forget the purpose of magic numbers.

As for...
Forum: Coders. Asm / Hardware 19 March 2019, 23:13
Replies: 29
Views: 1,043
Posted By roondar
Yeah, that is what I meant. And then keep two...

Yeah, that is what I meant. And then keep two counters so you have the fraction and number of seconds separately. But I was in a bit of a hurry so it came out more like a brain dump than a carefully...
Forum: Coders. General 19 March 2019, 17:25
Replies: 492
Views: 32,825
Posted By roondar
Indeed, it looks pretty nice for what it is....

Indeed, it looks pretty nice for what it is. Nicer than I had imagined it would look.

Plus, there is no requirement to keep all the colours the same all the time. You could have them change...
Forum: Coders. Asm / Hardware 19 March 2019, 17:18
Replies: 29
Views: 1,043
Posted By roondar
That is a nice method. I'll have to remember...

That is a nice method. I'll have to remember that, it's a much more general version of my idea.
Forum: Coders. Asm / Hardware 19 March 2019, 17:01
Replies: 29
Views: 1,043
Posted By roondar
My assumption here is that you're dividing the...

My assumption here is that you're dividing the frame counter by 50. If that is correct, there is a way of avoiding a division by using a multiple counters.

I.E. Instead of having a frame counter...
Forum: Amiga scene 11 March 2019, 12:55
Replies: 37
Views: 2,016
Posted By roondar
Off topic perhaps, but are there still A1200...

Off topic perhaps, but are there still A1200 cases available in the original Commodore or Amiga Tech colour?
Forum: Amiga scene 11 March 2019, 12:39
Replies: 199
Views: 13,768
Posted By roondar
I'm not going to get into whether or not Jens is...

I'm not going to get into whether or not Jens is a nice guy. I only met him once and he seemed nice enough at that time, but I do not have enough info to know how he treats others outside of an Amiga...
Forum: Amiga scene 11 March 2019, 12:27
Replies: 758
Views: 130,999
Posted By roondar
Not that I know of, it always worked fine. I...

Not that I know of, it always worked fine. I mean, I suppose it's possible the external drive broke in some subtle way, but it seems to work for other purposes.

But if you could try it and tell me...
Forum: Retrogaming General Discussion 11 March 2019, 12:20
Replies: 272
Views: 31,649
Posted By roondar
I'd go so far as saying what really matters is...

I'd go so far as saying what really matters is not the rate of object movement (which can be an artistic or gameplay choice) but rather the speed at which the game logic updates and graphics are...
Forum: Retrogaming General Discussion 11 March 2019, 12:14
Replies: 21
Views: 775
Posted By roondar
This is the last post I'll make on Z80 vs 6502. I...

This is the last post I'll make on Z80 vs 6502. I do find it an interesting discussion, but this post is about the awesome Stunt Car Racer for the BBC Master - not Z80 vs 6502 :cool


While all of...
Forum: Retrogaming General Discussion 10 March 2019, 14:55
Replies: 21
Views: 775
Posted By roondar
The C64 port isn't bad at all, given that the C64...

The C64 port isn't bad at all, given that the C64 always struggled at 3D stuff. This struggle has everything to do with the very slow CPU in the C64 (<1MHz) and the weird bitmap setup that makes...
Forum: Coders. General 09 March 2019, 14:21
Replies: 492
Views: 32,825
Posted By roondar
Yeah, it doesn't have a startup sequence. You can...

Yeah, it doesn't have a startup sequence. You can start the test by running the only program on it, which is named "Executable". Works from the shell/cli as well as workbench.
Forum: Coders. General 09 March 2019, 13:53
Replies: 492
Views: 32,825
Posted By roondar
Having looked at the Metal Slug long play again,...

Having looked at the Metal Slug long play again, I do have to agree. The GBA port that is being looked at here as base for the Amiga is incredibly cut down compared to the original.

However, the...
Forum: Amiga scene 08 March 2019, 17:39
Replies: 199
Views: 13,768
Posted By roondar
I keep hearing 'better hardware at lower prices'....

I keep hearing 'better hardware at lower prices'. Honestly, I just don't see it.

Perhaps I'm missing some obvious targets here, but most Amiga hardware seems to be similarly priced (if you get...
Forum: Coders. Asm / Hardware 08 March 2019, 16:47
Replies: 20
Views: 571
Posted By roondar
Well, I haven't tested any of this, but...

Well, I haven't tested any of this, but Protracker plays samples. If starting (or stopping for that matter) of a sample is off by enough for it to be audible, I'm not so sure the effect would be as...
Forum: request.Old Rare Games 08 March 2019, 15:14
Replies: 7
Views: 438
Posted By roondar
I love the title screen. Looks about as well as...

I love the title screen. Looks about as well as when I do a DPaint doodle in a few minutes. And I can't draw to save my life :D
Forum: Coders. Asm / Hardware 08 March 2019, 15:07
Replies: 20
Views: 571
Posted By roondar
For extra fun, I've considered a Copper Blitter...

For extra fun, I've considered a Copper Blitter 'engine' with flexible 'blithogging' (i.e. turn it on and off several times a frame or at specific times).

That would allow for really large blits...
Forum: Retrogaming General Discussion 08 March 2019, 15:02
Replies: 39
Views: 2,054
Posted By roondar
As I understand it, the C64 mini is basically a...

As I understand it, the C64 mini is basically a small computer running Vice 2.4. So it really should have similar levels of compatibility.

I do own one of these and haven't seen compatibility...
Forum: Coders. Asm / Hardware 08 March 2019, 14:58
Replies: 20
Views: 571
Posted By roondar
This is true, though the Copper will still have...

This is true, though the Copper will still have to write all blitter registers regardless so purely in terms of registers written you're not going to see a massive advantage*.

But in terms of...
Forum: Coders. Asm / Hardware 08 March 2019, 14:25
Replies: 20
Views: 571
Posted By roondar
I think I understand what you mean, but I want to...

I think I understand what you mean, but I want to clarify to be sure.

So what you mean is not that Copper DMA is interupted by the CPU (because that never happens), but that using the CPU during...
Forum: Coders. Asm / Hardware 08 March 2019, 13:19
Replies: 229
Views: 23,732
Posted By roondar
Fascinating thread to read. I've seen some very...

Fascinating thread to read. I've seen some very good stuff here!

Looking at my own code, I think I'll try to follow one suggestion here (more than I usually do). It is indeed best to note not just...
Forum: Amiga scene 08 March 2019, 13:14
Replies: 199
Views: 13,768
Posted By roondar
I don't think it's a good idea to choose a side...

I don't think it's a good idea to choose a side here (as in who is 'right' or who should 'win'). On the other hand, pointing out that you dislike IC potentially leaving the Amiga market over legal...
Forum: Coders. Asm / Hardware 08 March 2019, 12:09
Replies: 20
Views: 571
Posted By roondar
If you want safe blits, there are four common...

If you want safe blits, there are four common ways to do it:


Wait on the Blitter using a polling system like above
Use the Blitter in nasty mode and run the code from chipmemory, which saves...
Forum: Coders. Asm / Hardware 08 March 2019, 11:59
Replies: 20
Views: 571
Posted By roondar
There are two ways of operating the Blitter....

There are two ways of operating the Blitter. Normal and "nasty" (or BLTHOG).

If the Blitter is operating in normal mode, if will periodically stop itself for a cycle to give the CPU a cycle to do...
Forum: Amiga scene 08 March 2019, 00:59
Replies: 199
Views: 13,768
Posted By roondar
I'd love to see one, that's for sure.

I'd love to see one, that's for sure.
Forum: Coders. Contest 08 March 2019, 00:22
Replies: 900
Views: 53,795
Posted By roondar
Ooh, cool - dragons dropping dangerous dudes!

Ooh, cool - dragons dropping dangerous dudes!
Forum: Amiga scene 07 March 2019, 23:25
Replies: 199
Views: 13,768
Posted By roondar
If this is his position, I predict a very high...

If this is his position, I predict a very high chance he will indeed leave.

For two reasons:


It's highly unlikely court cases like this are finished quickly. Unless one side's claims are...
Forum: News 07 March 2019, 21:07
Replies: 256
Views: 25,302
Posted By roondar
I recently bought this, looking forward to...

I recently bought this, looking forward to receiving it. It looks like a rather nice game :)
Forum: Amiga scene 07 March 2019, 21:05
Replies: 116
Views: 10,743
Posted By roondar
I can only guess here, but I'd guess that the...

I can only guess here, but I'd guess that the reason Jens is unhappy would be that Cloanto can then keep distributing the old version of P96. Which essentially lowers the worth of what he bought by...
Forum: Amiga scene 07 March 2019, 21:01
Replies: 758
Views: 130,999
Posted By roondar
I have a small question about the ACA500+ and...

I have a small question about the ACA500+ and it's "make DF1: act as DF0:" feature. I've been having trouble getting this to work, whenever I use it the external drive does start booting but then the...
Forum: Amiga scene 07 March 2019, 20:57
Replies: 116
Views: 10,743
Posted By roondar
Well, I am obviously not privy to the contents of...

Well, I am obviously not privy to the contents of the actual contract but it's not unheard of for contracts dealing with transfer of intellectual property ownership to have a clause that voids the...
Forum: Amiga scene 07 March 2019, 19:36
Replies: 199
Views: 13,768
Posted By roondar
AFAIK the issue is to do with the P96 ownership...

AFAIK the issue is to do with the P96 ownership question. Hyperion didn't sell that to him, did they? I thought the original authors sold him 'ownership'.
Forum: Amiga scene 07 March 2019, 19:30
Replies: 116
Views: 10,743
Posted By roondar
Licenses like this are very complicated. If...

Licenses like this are very complicated. If Cloanto has a valid license that may end up voiding parts of the contract underlying Jens' purchase of P96 (as he most likely bought it as an exclusive...
Forum: Amiga scene 07 March 2019, 19:22
Replies: 199
Views: 13,768
Posted By roondar
I know, it is depressing. So much so I...

I know, it is depressing. So much so I overreacted in the other thread and shot the messenger rather than the message. But it's no fun.

As for what can be done about it? I'm not sure. The only...
Forum: Amiga scene 07 March 2019, 19:13
Replies: 199
Views: 13,768
Posted By roondar
Sadly, it seems to be true yes. The last...

Sadly, it seems to be true yes.

The last couple of pages of the Amiga Reloaded thread also cover this, with a facebook post copied to page 5 that gives a more official answer by him:
...
Forum: Coders. General 07 March 2019, 18:36
Replies: 492
Views: 32,825
Posted By roondar
Yeah, that is an awesome example of the effect in...

Yeah, that is an awesome example of the effect in action. I will note that the C64 Dragon Breed dragon (which I actually reached back in the day without cheating :spin) doesn't look as nice on real...
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