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Search: Posts Made By: aros-sg
Forum: Coders. General 11 March 2020, 08:30
Replies: 129
Views: 8,232
Posted By aros-sg
There are Street Fighter 2 "ports"/versions for...

There are Street Fighter 2 "ports"/versions for M.U.G.E.N. How good (and close to the original) are those?
Forum: Coders. General 07 March 2020, 16:25
Replies: 129
Views: 8,232
Posted By aros-sg
The game does not need to be aware of this or...

The game does not need to be aware of this or coded with different size in mind. Everything can be fixed. It's just the patches/hacks that while the game is running each displayed video frame needs...
Forum: Coders. General 07 March 2020, 15:23
Replies: 129
Views: 8,232
Posted By aros-sg
It's no problem to replace with bigger...

It's no problem to replace with bigger graphics/backgrounds. You only need to know game state:

background size WxH with scroll position X,Y and showing figther character A at position x1,y1 in...
Forum: Coders. General 06 March 2020, 09:06
Replies: 129
Views: 8,232
Posted By aros-sg
Just hack/patch the existing Amiga SF game(s).

Just hack/patch the existing Amiga SF game(s).
Forum: Coders. General 06 February 2020, 12:27
Replies: 69
Views: 5,794
Posted By aros-sg
You can check with paint program like GIMP. Pause...

You can check with paint program like GIMP. Pause video in two places were you think perspective is different. Make screenshot each time. Put screenshots in two layers in paint program and make top...
Forum: Coders. General 05 February 2020, 10:31
Replies: 69
Views: 5,794
Posted By aros-sg
Hmm .. no idea how cpu intensive that is, but...

Hmm .. no idea how cpu intensive that is, but looking at video it seems there are only few colors for the tiles if one ignores shading/raytracing look. So it could be rendered in maybe 3 bitplanes...
Forum: Coders. General 04 February 2020, 17:13
Replies: 69
Views: 5,794
Posted By aros-sg
Optimization to this would be to find out the...

Optimization to this would be to find out the best possible order in which to blit the tunnel tiles, because if you do it correctly some may be blitted with standard copy, not masked copy.

...
Forum: Coders. General 04 February 2020, 08:23
Replies: 69
Views: 5,794
Posted By aros-sg
It's surely "just" pre rendered tunnel animation...

It's surely "just" pre rendered tunnel animation for each possible tile. So there's one prerenderd animation of tunnel which uses only tile #1. Then there's antoher prerendered animation of tunnel...
Forum: Coders. General 22 December 2019, 17:31
Replies: 16
Views: 1,585
Posted By aros-sg
And this can look pretty ugly in some cases. ...

And this can look pretty ugly in some cases.

For example imagine player sprite chasing enemy sprite. Both run to the right at 50 pixels per second.

On a real 50 Hz game the player sprite and...
Forum: Coders. General 22 December 2019, 17:20
Replies: 16
Views: 1,585
Posted By aros-sg
No, many of their games only did the scrolling...

No, many of their games only did the scrolling (hw) at 50 Hz. But gfx update itself (bobs) ran at 25 Hz. For this you don't need fast/clever scrolling routine, Even just repainting everything (25 Hz)...
Forum: Coders. General 17 December 2019, 08:29
Replies: 16
Views: 1,585
Posted By aros-sg
Run the examples (all, not just the one whose...

Run the examples (all, not just the one whose techinque you want to use) in the archive with HOW param to see what happens during scrolls to the fillup columns/rows. Add option to your code for...
Forum: Retrogaming General Discussion 03 November 2019, 13:48
Replies: 5
Views: 604
Posted By aros-sg
AmiMasterGear emulator on AGA Amigas can run...

AmiMasterGear emulator on AGA Amigas can run original Sonic SegaMasterSystem version in full speed/framerate.
Forum: News 06 September 2019, 11:07
Replies: 178
Views: 16,718
Posted By aros-sg
I'm talking about quick&easy changes to game...

I'm talking about quick&easy changes to game engine when game detects that it is runing on AGA machine (ie. not real enhanced (more colors) AGA port). So that would mean running in 8 bitplanes dual...
Forum: News 06 September 2019, 08:57
Replies: 178
Views: 16,718
Posted By aros-sg
Quick test: how far away from 50 fps are you if...

Quick test: how far away from 50 fps are you if running on A1200 and temporarily replace the BOB restore routine with a blitter clear routine? (For a quick AGA improvement with basically unchanged...
Forum: Coders. Asm / Hardware 07 August 2019, 11:53
Replies: 9
Views: 1,023
Posted By aros-sg
If foreground tiles overlap player sprite copy...

If foreground tiles overlap player sprite copy real sprite to some scratch sprite buffer and NAND over the foreground tile masks.
Forum: support.WinUAE 22 July 2019, 13:40
Replies: 5
Views: 963
Posted By aros-sg
Emulate Amiga of any imaginable speed

Hi. Is there or wouldn't it be nice to have an option in UAE to configure host to emulated time ratio? Standard is 1:1 -> Amiga clock running in UAE ticks as fast as a clock runing on host OS. So...
Forum: Coders. Asm / Hardware 08 May 2019, 11:18
Replies: 195
Views: 26,330
Posted By aros-sg
I think he means the ~dithering effect which...

I think he means the ~dithering effect which tries to make it look less low-res. It's kinda ugly. On today's sharp monitors. Maybe less so if was more blurry (old monitors, or crt monitors or bad...
Forum: Coders. Asm / Hardware 07 May 2019, 19:28
Replies: 20
Views: 2,922
Posted By aros-sg
One could render a complete game in FAST RAM. And...

One could render a complete game in FAST RAM. And each frame only copy over changed area into visible bitmap in CHIP RAM.

Note that "changed area" doesn't have to mean that for example scrolling...
Forum: Coders. General 18 March 2019, 12:05
Replies: 574
Views: 51,572
Posted By aros-sg
Grayscale! ...

Grayscale!


https://i.postimg.cc/Y98VkLPf/mslug.png



That is 7 colors.

With video players like VLC you can see how this looks in motion by making it play video from Youtube and then...
Forum: Coders. Blitz Basic 13 March 2019, 09:29
Replies: 46
Views: 4,581
Posted By aros-sg
Who knows. Theoretically it may be possible to...

Who knows. Theoretically it may be possible to get rid of annoying copper split, if ones uses three buffers (buffer 3 is clean buffer for restoring bobs).




333333
333333
111111
111111...
Forum: Coders. Blitz Basic 12 March 2019, 08:44
Replies: 46
Views: 4,581
Posted By aros-sg
Yes. Anyone can do whatever he wants with any...

Yes. Anyone can do whatever he wants with any part (docs/sources) of ScrollingTrick.lha. Consider it public domain.
Forum: Coders. General 03 March 2019, 12:04
Replies: 574
Views: 51,572
Posted By aros-sg
Original Metal Slug on Neo Geo Hardware does not...

Original Metal Slug on Neo Geo Hardware does not run at full frame (60fps) rate either. It runs at 30fps and sometimes less. You can see how it would look if it ran smooth (which it doesn't) by...
Forum: Coders. Blitz Basic 01 March 2019, 15:36
Replies: 46
Views: 4,581
Posted By aros-sg
Except he seems to always blit complete row of...

Except he seems to always blit complete row of tiles or complete column of tiles even when just scrolling one single pixel. That's super lame ;-p (I can say so, because ScrollingTrick.lha was written...
Forum: Coders. Blitz Basic 27 February 2019, 19:46
Replies: 46
Views: 4,581
Posted By aros-sg
If your code isn't using the "saveword"...

If your code isn't using the "saveword" optimization as in demo sources (only save/restore 2 bytes which are ~"trashed" when left/right scrolling, instead of a whole tile/block) then that can be so....
Forum: Coders. Blitz Basic 27 February 2019, 18:14
Replies: 46
Views: 4,581
Posted By aros-sg
Or wait ... is that a non-interleaved bitmap?...

Or wait ... is that a non-interleaved bitmap? Scrolling algorithm would need modifications for that.
Forum: Coders. Blitz Basic 27 February 2019, 15:22
Replies: 46
Views: 4,581
Posted By aros-sg
Hmm ... in theory the left side should be in...

Hmm ... in theory the left side should be in false/different colors because of the plane shifting (if the bitmap is looked at the from fixed 0,0 position then the more to the right that you have...
Forum: Coders. Blitz Basic 27 February 2019, 15:02
Replies: 46
Views: 4,581
Posted By aros-sg
The demo programs in ScrollingTrick archive can...

The demo programs in ScrollingTrick archive can be started with "HOW" parameter. Then the scrolling is disabled and you see on screen how the horizontal/vertical fillup columns are filled and...
Forum: Coders. Asm / Hardware 21 February 2019, 16:16
Replies: 306
Views: 37,877
Posted By aros-sg
If adat was masked (afwm/alwm) previousA may need...

If adat was masked (afwm/alwm) previousA may need to be set to that masked adat, not to the original unmasked adat.
Forum: News 02 February 2019, 14:41
Replies: 99
Views: 9,405
Posted By aros-sg
"Not that simple". Wouldn't something like this...

"Not that simple". Wouldn't something like this be more simple:



struct TagList *openscreen_taglist;
struct SignalSempahore openscreensem; /*single thread open screen calls */

...
Forum: News 30 January 2019, 09:38
Replies: 99
Views: 9,405
Posted By aros-sg
The point was not whether this is a problem or...

The point was not whether this is a problem or not (btw, I think hash list is overkill. there are easier/faster ways) but whether to have a fixed/unchangable approach in the software (fblit or P96)...
Forum: News 29 January 2019, 17:56
Replies: 99
Views: 9,405
Posted By aros-sg
Well, but without options what about things like...

Well, but without options what about things like blits between chipram bitmaps and chipram bitmaps (you may still have those as fast ram may become full and bitmaps end up in chip ram once again, or...
Forum: Coders. Contest 16 December 2018, 18:21
Replies: 1,759
Views: 153,101
Posted By aros-sg
Optimizations for 8 color background blit: ...

Optimizations for 8 color background blit:


- Don't blit areas (scanlines) which are static. Like big blue sky area.


- Don't blit areas (like at the bottom of most levels) which are always...
Forum: support.WinUAE 11 November 2018, 16:39
Replies: 6
Views: 897
Posted By aros-sg
Bone Cruncher?

Bone Cruncher?
Forum: Coders. Contest 01 September 2018, 09:51
Replies: 1,759
Views: 153,101
Posted By aros-sg
untested pseudo code: palette[256]; ...

untested pseudo code:


palette[256];

fg_palette[32];
bg_palette[8];

FG_TRANSP_COLOR = 0;
Forum: Coders. C/C++ 14 April 2018, 18:33
Replies: 5
Views: 1,463
Posted By aros-sg
Random wild guess: you are killing the window...

Random wild guess: you are killing the window inside event loop (while msg = GetMsg ... if event A do this ... if event B close window ... if event C do that ... ReplyMsg). You can't...
Forum: Coders. Asm / Hardware 09 January 2018, 18:20
Replies: 195
Views: 26,330
Posted By aros-sg
Random stupid idea: have a completely unrolled...

Random stupid idea: have a completely unrolled chunky2planar routine for a vertical stripe (16xscreenheight or 32xscreenheight) and do the chunky rendering/raycasting directly into that code by...
Forum: Coders. Asm / Hardware 05 August 2017, 13:31
Replies: 34
Views: 4,742
Posted By aros-sg
horizontal split: what about dual playfield and...

horizontal split: what about dual playfield and changing playfield priority mid screen?
Forum: Coders. General 29 June 2017, 19:04
Replies: 587
Views: 57,843
Posted By aros-sg
Half the resolution. Either 160x256 or 320x128....

Half the resolution. Either 160x256 or 320x128. Whatever looks less ugly. Maybe use normal res hw sprites to add lost detail to things like faces.
Forum: support.FS-UAE 15 December 2016, 14:55
Replies: 5
Views: 2,155
Posted By aros-sg
The corruption looks like image mask data that...

The corruption looks like image mask data that got free()ed before/during the blit.
Forum: Looking for a game name ? 12 November 2016, 10:26
Replies: 41
Views: 11,681
Posted By aros-sg
Bionic Commando http://hol.abime.net/120

Bionic Commando

http://hol.abime.net/120
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