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Forum: OT - General 26 March 2020, 18:05
Replies: 237
Views: 6,797
Posted By Master484
I think you can use coffee filters for this task....

I think you can use coffee filters for this task. :)

Cut one in half and you get two sheets. The paper in them is hard and uncomfortable, but if you soak them slightly in water before use, it gets...
Forum: OT - General 23 March 2020, 23:03
Replies: 237
Views: 6,797
Posted By Master484
Yeah, I too regret that I posted in this thread. ...

Yeah, I too regret that I posted in this thread.

I saw your post and wrote a reply. But there's no point to continue.

This is such a sensitive topic, with people dying from the virus every day....
Forum: OT - General 23 March 2020, 15:17
Replies: 237
Views: 6,797
Posted By Master484
I would like to clarify why the finnish...

I would like to clarify why the finnish government estimate of serious cases is only 1 %.

Many sources indeed say that 20 % of the diagnosed cases are serious, and this 20 % is what the WHO...
Forum: OT - General 22 March 2020, 15:41
Replies: 237
Views: 6,797
Posted By Master484
The finnish authorities have released an estimate...

The finnish authorities have released an estimate that at least 20 % of finnish population will be infected at some point. Of those infected, 1 % will develop serious symptoms and will need emergency...
Forum: Amiga scene 13 March 2020, 12:37
Replies: 613
Views: 59,122
Posted By Master484
I just tried the V2 demo. Good to see a new high...

I just tried the V2 demo. Good to see a new high quality 50 FPS shooter for Amiga, there aren't so many of those. :)

And I didn't try the first V1 demo, so this was my first time playing the game....
Forum: Coders. General 09 March 2020, 18:55
Replies: 129
Views: 6,630
Posted By Master484
That's right. Here's the original thread of my...

That's right.
Here's the original thread of my demo where it's all explained:
https://eab.abime.net/showthread.php?t=96990

Also there is an image which shows how the 200+ character colors of the...
Forum: Coders. Blitz Basic 08 March 2020, 17:14
Replies: 7
Views: 639
Posted By Master484
Usually something like 4px by 4px, so that...

Usually something like 4px by 4px, so that they're easier to see. But I have tested that 1px by 1px will also work.

I think palettes have to be initialized before use.

Try putting "InitPalette...
Forum: Coders. Blitz Basic 07 March 2020, 12:33
Replies: 7
Views: 639
Posted By Master484
From my own experiences with XnView, to get a...

From my own experiences with XnView, to get a specific palette color order, you have to do this before saving IFF images from it:

Put all your palette colors to the upper left corner of your...
Forum: Retrogaming General Discussion 02 March 2020, 16:28
Replies: 20
Views: 1,118
Posted By Master484
Then you might like Purple Saturn Day. :) ...

Then you might like Purple Saturn Day. :)
http://hol.abime.net/1178
Forum: Coders. General 01 March 2020, 13:30
Replies: 129
Views: 6,630
Posted By Master484
Blitz has a good set of commands for Sprite...

Blitz has a good set of commands for Sprite collisions: "Sprite vs Sprite", "Sprite vs Odd/Even color" and "Sprite vs Shape" are all supported. And "Sprite vs Sprite" and "Sprite vs Color" are super...
Forum: Nostalgia & memories 14 February 2020, 13:18
Replies: 71
Views: 14,934
Posted By Master484
All following games use 640*256 resolution: ...

All following games use 640*256 resolution:

Floor 13
Renegade Legion Interceptor
Spaceward Ho!
Fireteam 2200
Hannibal
Canton
Atrophy
Forum: Coders. Blitz Basic 09 February 2020, 18:40
Replies: 9
Views: 821
Posted By Master484
Ok. :great You can also test putting "Free...

Ok. :great

You can also test putting "Free Module" before the "End", and see if it still crashes when program closes.

But the standard Blitz "LoadModule" command set itself is not so good, and...
Forum: Coders. Blitz Basic 08 February 2020, 17:59
Replies: 9
Views: 821
Posted By Master484
I noticed at least one thing in the code. ...

I noticed at least one thing in the code.

Under the "draw dragon" section, and in some other places, you use the "Else If" command:

If dr<22 Then BBlit db,22,dr,130 Else If dr<40 BBlit...
Forum: Retrogaming General Discussion 01 February 2020, 11:51
Replies: 42
Views: 2,793
Posted By Master484
I think Slam Tilt at least uses 256 color mode. ...

I think Slam Tilt at least uses 256 color mode.

But as others already mentioned, the higher color modes were rare, and often dual playfield was a better choice for action games.

Many AGA games...
Forum: project.Amiga Game Factory 30 January 2020, 13:16
Replies: 124
Views: 7,246
Posted By Master484
Here is one palette trick that might work. This...

Here is one palette trick that might work. This is how it's done in Blitz Basic, but surely ASM can do it also.

Use a 32 color palette and split it in two parts: enemy colors and background...
Forum: Coders. Blitz Basic 28 January 2020, 17:34
Replies: 5
Views: 762
Posted By Master484
If you just want the Back Playfield parallax...

If you just want the Back Playfield parallax effect to also scroll vertically like the sea surface does in the "clouds" level of Thunder Force 4, or like the grass field parallax moves up and down in...
Forum: project.Amiga Game Factory 28 January 2020, 13:33
Replies: 124
Views: 7,246
Posted By Master484
If I was making this game for the A500, then I...

If I was making this game for the A500, then I think I would do it this way:

Both the enemies and the Player would be BOBs. The fences and wire meshes would be normal background tiles, but I...
Forum: Coders. Blitz Basic 27 January 2020, 17:43
Replies: 5
Views: 762
Posted By Master484
I have tested this command only once, but I got...

I have tested this command only once, but I got it to work. And here is what I have written in my notes.

The syntax for the DisplayScroll command is this:

DisplayScroll Coplist ID,...
Forum: Nostalgia & memories 22 January 2020, 19:15
Replies: 26
Views: 1,729
Posted By Master484
When you look at games that were released on both...

When you look at games that were released on both Atari ST and Amiga, then you'll find out that many early Amiga games were "lazy Atari ST ports". Those early ST to Amiga ports totally ignored the...
Forum: Coders. Blitz Basic 07 November 2019, 14:02
Replies: 6
Views: 759
Posted By Master484
Here are DisplayControls values that I have used...

Here are DisplayControls values that I have used in my own dual PF programs. I don't know how "right" these values are, but they seem to work OK:

DisplayControls #CoplistID, 0, $1c00, $23

The...
Forum: Nostalgia & memories 22 October 2019, 22:29
Replies: 162
Views: 8,216
Posted By Master484
According to HOL it was also converted to the...

According to HOL it was also converted to the Sharp X68000, which is quite interesting, because this would mean that Xenon 2 might be the only "Amiga original" game ever to be converted to this...
Forum: Retrogaming General Discussion 26 September 2019, 18:16
Replies: 100
Views: 4,615
Posted By Master484
Here is a recent interview of Richard Aplin on...

Here is a recent interview of Richard Aplin on Xyphoe's Youtube channel:

https://www.youtube.com/watch?v=tqFZSKkLmFI

Interview starts at 1:00:56 and Amiga Final Fight is discussed from 1:37:00...
Forum: Retrogaming General Discussion 24 September 2019, 19:15
Replies: 100
Views: 4,615
Posted By Master484
This is true. Trying to fit the arcade version of...

This is true. Trying to fit the arcade version of Final Fight into a 512K Amiga was a doomed idea from the start. The idea is as crazy as doing Metal Slug on a A500, if not even crazier. :D

And...
Forum: Retrogaming General Discussion 21 September 2019, 14:13
Replies: 42
Views: 2,707
Posted By Master484
Many single screen platformers still feel like...

Many single screen platformers still feel like perfect games today: Parasol Stars, Fuzzball, Rodland etc. Easy to pick up, easy to learn and play. Simple concept and simple fun, well made games that...
Forum: Coders. Blitz Basic 21 September 2019, 13:51
Replies: 11
Views: 933
Posted By Master484
I haven't tested BBlit directly in this program. ...

I haven't tested BBlit directly in this program.

But I have tested it previously, and found out that BBlits on a 16 color screen are 25 % slower than QBlits on a 8+8 color Dual Playfield screen.
...
Forum: Coders. Blitz Basic 19 September 2019, 17:48
Replies: 11
Views: 933
Posted By Master484
Yeah, maybe in the future I'll gather the most...

Yeah, maybe in the future I'll gather the most useful ones, and put them all into some place.
Forum: Coders. Blitz Basic 18 September 2019, 13:35
Replies: 11
Views: 933
Posted By Master484
Point is a command that checks the color of a...

Point is a command that checks the color of a pixel at a certain XY position.

And this I use for collisions in the following way:

All enemies are drawn first. And after them all bullets. But...
Forum: Coders. Blitz Basic 17 September 2019, 20:28
Replies: 11
Views: 933
Posted By Master484
Uploaded a new version of the demo: V209. ...

Uploaded a new version of the demo: V209.

The previous version had a crash bug: it crashed if you made more than 200 objects, thanks to a non-working object amount limiter. But this has now been...
Forum: Coders. Blitz Basic 17 September 2019, 16:07
Replies: 11
Views: 933
Posted By Master484
Triple Buffering Example

http://eab.abime.net/attachment.php?attachmentid=64491&stc=1&d=1568729179

Here is a small Triple Buffering demo, which shows how this useful technique looks like in a running game. System...
Forum: Coders. Blitz Basic 15 September 2019, 15:55
Replies: 17
Views: 759
Posted By Master484
It could be. I haven't played Lotus 2 for a...

It could be. I haven't played Lotus 2 for a while. :)

But when you have a game that runs at 50 FPS, and never seems to get slowdown, then it's possible that it uses Triple Buffering.

I believe...
Forum: Coders. Blitz Basic 14 September 2019, 15:44
Replies: 17
Views: 759
Posted By Master484
Yes, In all likelyhood this is the number one...

Yes, In all likelyhood this is the number one cause for the slowdown. :)

Clearing the whole screen with Block, BlockScroll or CLS is very slow. Doing this eats almost all time that you have in a...
Forum: Coders. Blitz Basic 07 September 2019, 17:50
Replies: 15
Views: 928
Posted By Master484
No. "Blit" is the next fastest Blitz drawing...

No.

"Blit" is the next fastest Blitz drawing command. And it has no limitations and it's faster than QBlit.

But the problem with "Blit" is that there is no "easy and fast" way to clean the...
Forum: Coders. Blitz Basic 07 September 2019, 12:18
Replies: 15
Views: 928
Posted By Master484
If you draw moving objects with Blocks and clear...

If you draw moving objects with Blocks and clear with Blocks too, then the drawing operations will be very fast.

And you wouldn't even need to use Arrays to keep a list of "dirty blocks"; you can...
Forum: Coders. Blitz Basic 06 September 2019, 12:09
Replies: 161
Views: 21,570
Posted By Master484
Yes. Unless you have some VBLANK interrupt...

Yes.

Unless you have some VBLANK interrupt code going on, which I think can have an effect on the VPOS value right away VWAIT, especially if you're playing music from the VBLANK interrupt, which...
Forum: project.EAB 05 September 2019, 17:30
Replies: 14
Views: 2,123
Posted By Master484
I agree, a graphics sub-forum would be nice. ...

I agree, a graphics sub-forum would be nice.

This way there would be place to post stuff like those "arcade to Amiga color conversions" that people like to make, and to share graphics WIPs and...
Forum: News 05 September 2019, 17:10
Replies: 158
Views: 12,413
Posted By Master484
Great to see so many different moves for the...

Great to see so many different moves for the characters. :great

Does the game store both left and right facing versions of the characters in Chip RAM ? Or does it use some advanced tricks like...
Forum: Coders. Blitz Basic 04 September 2019, 12:25
Replies: 15
Views: 928
Posted By Master484
Yes, I think he used this method in the...

Yes, I think he used this method in the platformer Kiwi's Tale. But I think this was because of the advanced scrolling method; "Blit" and "ClipBlit" were the best commands for it, and these then...
Forum: Coders. Blitz Basic 03 September 2019, 18:24
Replies: 15
Views: 928
Posted By Master484
Yes. Unqueue simply clears pixels, erasing the...

Yes. Unqueue simply clears pixels, erasing the shape and all other contents of the bitmap at that spot.

This is why it's often used on a dual playfield where the front PF doesn't have any...
Forum: Coders. Blitz Basic 03 September 2019, 11:32
Replies: 15
Views: 928
Posted By Master484
Are you trying to find a method that is faster...

Are you trying to find a method that is faster than the normal "Qblit-UnQueue" process?

I have tried to do this myself, with a custom made "dirty rectangles" method, using "Blits" to draw my...
Forum: News 30 August 2019, 14:25
Replies: 158
Views: 12,413
Posted By Master484
This looks really amazing. Great graphics, well...

This looks really amazing. Great graphics, well designed palette and copper use, this looks almost like a Neo Geo game. :D

Also I like the animations and how the enemies react when they're hit;...
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