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Search: Posts Made By: Chrille
Forum: Amiga scene 09 December 2019, 01:59
Replies: 84
Views: 4,284
Posted By Chrille
Sorry for being a little bit OT: No, I think...

Sorry for being a little bit OT:
No, I think you are partly wrong ;) Scrolling is at 25 Hz because you cannot scroll 1/2 Pixel with OCS/ECS, but it runs always at 50 FPS as it changes the screen...
Forum: support.WinUAE 26 November 2019, 18:08
Replies: 16
Views: 1,179
Posted By Chrille
Yes, sorry, I missed that part. But may be...

Yes, sorry, I missed that part. But may be polling rate is not set to 1000 Hz in driver setup?
Forum: support.WinUAE 26 November 2019, 17:05
Replies: 16
Views: 1,179
Posted By Chrille
@hexaae Maybe it has something to do with your...

@hexaae
Maybe it has something to do with your mouse? USB or PS/2?

A standard USB mouse has a query-rate of 125 queries a second and this is a little bit jerky, also when you have 50 FPS. To...
Forum: Coders. Asm / Hardware 14 October 2019, 11:40
Replies: 21
Views: 1,338
Posted By Chrille
IIRC Dyna Blasters writes #$0000 for 50 Hz Pal to...

IIRC Dyna Blasters writes #$0000 for 50 Hz Pal to BeamCon0 ($DFF1DC) Register
and #$0020 for 60 Hz (NTSC) to BeamCon0 Register and you could change it by pressing space (or some other key?) in the...
Forum: Retrogaming General Discussion 04 July 2019, 15:22
Replies: 4
Views: 762
Posted By Chrille
@Mrz: Yes, this is a port of the nintendo ds...

@Mrz:

Yes, this is a port of the nintendo ds version which was released on april 2009. The other ports were released some time later. The latest was Giana Sisters 2D on Steam for Windows PC....
Forum: Coders. Asm / Hardware 27 March 2019, 16:16
Replies: 27
Views: 1,768
Posted By Chrille
No, this is not the only way, while the...

No, this is not the only way, while the recommendation is good. 30 years ago or 28 years ago when I learned 68k assembler we had other weapons ;)

You could also use some extra hardware like an...
Forum: support.WinUAE 15 March 2019, 16:32
Replies: 52
Views: 21,639
Posted By Chrille
Some more infos about the Competition Pro USB and...

Some more infos about the Competition Pro USB and lags based on some real numbers:
All Competion Pro USB which are produced before or in 2018 are lagging. E.g. SL-6602 or SL 6603. The only exception...
Forum: Retrogaming General Discussion 12 March 2019, 15:23
Replies: 282
Views: 36,866
Posted By Chrille
ahem, yes, that was what I meant ;) I guess, it...

ahem, yes, that was what I meant ;) I guess, it is too long that i've coded for Amiga ...



True, but on the other side you have games like Gods, which are too bad to update the screen pointers...
Forum: Retrogaming General Discussion 06 February 2019, 01:44
Replies: 75
Views: 6,684
Posted By Chrille
Regarding Xenon II, when I played Xenon II back...

Regarding Xenon II, when I played Xenon II back in 1990 I found it not boring (but may be I am not very objective as it was one of my first Amiga games and I never played it again seriously since...
Forum: Retrogaming General Discussion 05 February 2019, 18:44
Replies: 75
Views: 6,684
Posted By Chrille
@Dastardly: Regarding to the Mega Drive/Genesis...

@Dastardly:
Regarding to the Mega Drive/Genesis Port. True it runs with a higher FPS but also the game is at a too high speed. This is also bad behavior ... This reminds me on bad ms-dos games...
Forum: Retrogaming General Discussion 01 February 2019, 18:26
Replies: 282
Views: 36,866
Posted By Chrille
The animation of BOBs or sprites are usually not...

The animation of BOBs or sprites are usually not at 50 FPS. That would eat too much chip memory or disk space ;) This is similar to most C64 games :)

Yes, Superfrog has only 25 FPS. Scrolling and...
Forum: Coders. General 31 January 2019, 01:02
Replies: 18
Views: 1,399
Posted By Chrille
Superfrogs scrolling and sprites run at 50 fps...

Superfrogs scrolling and sprites run at 50 fps and the scrolling is very fast, but notice that Superfrogs enemies (BOBs) run only at 25 fps. This is similar to Zool, Zool II and many other games.
Forum: Coders. Asm / Hardware 23 January 2019, 14:48
Replies: 95
Views: 7,135
Posted By Chrille
@roondar: okay, your example was quick and...

@roondar:
okay, your example was quick and dirty ;) But your example is more expressive than my writings :great

You can optimize a lot in your example:
If this is run in a loop, you can put all...
Forum: Coders. Asm / Hardware 23 January 2019, 12:54
Replies: 95
Views: 7,135
Posted By Chrille
At least you could optimise the size of this...

At least you could optimise the size of this collision map, do not take this "odd" value like 40 and take instead an even value like 64. This would be a single shift instead of multiple shifts and...
Forum: Coders. Asm / Hardware 23 January 2019, 00:10
Replies: 95
Views: 7,135
Posted By Chrille
This was a very dynamic bomberman clone. You...

This was a very dynamic bomberman clone. You could play it with up to 10 players at once. In theory there was no maximum of objects per 16x16 Pixel tile or the maximum number of objects would be very...
Forum: Coders. Asm / Hardware 22 January 2019, 17:51
Replies: 95
Views: 7,135
Posted By Chrille
Here is another idea: This Idea was for a...

Here is another idea:

This Idea was for a bomberman clone project and every object has a maximum size of 16x16pixels. I used an array of pointers(a collision array). Each entry for a 16x16 pixel...
Forum: Retrogaming General Discussion 15 January 2019, 12:39
Replies: 49
Views: 2,761
Posted By Chrille
With the Lionheart technique you could scroll as...

With the Lionheart technique you could scroll as fast as Superfrog or Sonic. It is the same scrollng technique as Turrican I, Turrican II or Brian the Lion and maybe a handfull of other games.


...
Forum: Retrogaming General Discussion 11 January 2019, 16:07
Replies: 75
Views: 6,684
Posted By Chrille
True, most of bitmap brother games are master...

True, most of bitmap brother games are master pieces especially the design in gameplay and graphics.

And the skill of coding is not overall bad, but in this special case, it would have been easy...
Forum: Retrogaming General Discussion 11 January 2019, 14:41
Replies: 75
Views: 6,684
Posted By Chrille
Yes, Xenon 2 The Megablast has a simillar setup....

Yes, Xenon 2 The Megablast has a simillar setup. It has also 16,7 FPS. But in Xenon2 they had plenty of BOBs and a paralax layer. The "Gods" code wastes a lot of time in doing horizontal scrolling....
Forum: Retrogaming General Discussion 10 January 2019, 21:25
Replies: 75
Views: 6,684
Posted By Chrille
okay, may be not poor programming skills, but at...

okay, may be not poor programming skills, but at at least poor knowledge, of amiga hardware (especially not how much time this special blitter rendering needs [shifted tiles]).This is at least not a...
Forum: Retrogaming General Discussion 10 January 2019, 19:22
Replies: 75
Views: 6,684
Posted By Chrille
I would say it was becuse of progammers skill was...

I would say it was becuse of progammers skill was poor.


Sometime ago (in the 90ies) I looked at the code.



First Gods has not 25 FPS. It is even worser, Gods has 16,7 FPS, Gods needs 3...
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