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Forum: Coders. General 17 March 2019, 18:13
Replies: 492
Views: 32,743
Posted By Master484
Amnios. :great http://hol.abime.net/3265 ...

Amnios. :great
http://hol.abime.net/3265

At times screen is full of stuff, with even ground shadows for all objects. But indeed it's a little bit slow, I think 17 FPS all the time, with...
Forum: Coders. General 16 March 2019, 16:41
Replies: 492
Views: 32,743
Posted By Master484
For fun I made a frame cutted version of the...

For fun I made a frame cutted version of the Player character:

http://eab.abime.net/attachment.php?attachmentid=62491&stc=1&d=1552746910

This is the "bare minimum" version, which cuts...
Forum: Coders. General 02 March 2019, 19:04
Replies: 492
Views: 32,743
Posted By Master484
Just for fun I did a color reduction test on the...

Just for fun I did a color reduction test on the screenshot that was posted earlier:

http://eab.abime.net/attachment.php?attachmentid=62300&stc=1&d=1551545948

As you can see the quality doesn't...
Forum: Coders. Blitz Basic 28 February 2019, 20:03
Replies: 38
Views: 1,623
Posted By Master484
That's right, splitting the screen with...

That's right, splitting the screen with Copperlists won't help here. You can split the screen only vertically, but not horizontally.

If you want a side panel, then I think the only way is to draw...
Forum: Retrogaming General Discussion 27 February 2019, 13:54
Replies: 40
Views: 941
Posted By Master484
I'm also right handed but for all joysticks I...

I'm also right handed but for all joysticks I have always used the left hand to hold the stick and the thumb of the right hand for the fire button.

If I switch the stick to right hand, then I feel...
Forum: Coders. Blitz Basic 27 February 2019, 13:30
Replies: 38
Views: 1,623
Posted By Master484
I think UnBuffer uses a pixel perfect background...

I think UnBuffer uses a pixel perfect background restore, meaning that only the "solid" pixels of the Shape are "restored" when Unbuffer is executed. So transparent pixels in the Shape ( color 0...
Forum: Coders. Blitz Basic 26 February 2019, 17:56
Replies: 38
Views: 1,623
Posted By Master484
Also about those empty boxes around the Qblits, I...

Also about those empty boxes around the Qblits, I just remembered that I once tried to make a "demo effect" where I tried to make a sort of an "bitmap reveal" using the Qblit "Unqueues" , so that the...
Forum: Coders. Blitz Basic 26 February 2019, 15:51
Replies: 38
Views: 1,623
Posted By Master484
This can happen if you're drawing some objects...

This can happen if you're drawing some objects with "BBlits" and some with "QBlits".

Try to draw the BBlits first, and then the Qblits. And then "Unqueue" the Qblits first, and only after that...
Forum: Coders. General 18 February 2019, 20:54
Replies: 492
Views: 32,743
Posted By Master484
The Neo Geo development wiki has a page about...

The Neo Geo development wiki has a page about slowdown:
https://wiki.neogeodev.org/index.php?title=Slowdown

Here is a quote from that site:

---

" Slowdowns are perceived during gameplay as...
Forum: HOL data problems 14 February 2019, 14:27
Replies: 5
Views: 3,389
Posted By Master484
Ok, time to bump this thread. :great I have...

Ok, time to bump this thread. :great

I have updated the game list in the original post, added some pics and video links, and removed those games that already have been given the correct quickmatch...
Forum: HOL suggestions and feedback 13 February 2019, 21:49
Replies: 36
Views: 2,542
Posted By Master484
Street Fighter 2 had an anime movie in Japan: ...

Street Fighter 2 had an anime movie in Japan:
https://en.wikipedia.org/wiki/Street_Fighter_II:_The_Animated_Movie

And it had it's own manga comics too, like this:
...
Forum: HOL data problems 13 February 2019, 15:42
Replies: 5
Views: 421
Posted By Master484
The following games were made with the Reality...

The following games were made with the Reality Software Construction Kit, and should have the reality (http://hol.abime.net/hol_search.php?N_ref_genre_quickmatch=142) quickmatch:

Wrath of Gwendor:...
Forum: HOL data problems 09 February 2019, 15:58
Replies: 5
Views: 421
Posted By Master484
Also Coloris should have the "columns"...

Also Coloris should have the "columns" quickmatch.

http://hol.abime.net/3064

https://www.youtube.com/watch?v=GMm3uLZtpfU

And also Stones should have the "columns" tag. Right now it has...
Forum: Retrogaming General Discussion 05 February 2019, 20:24
Replies: 73
Views: 5,598
Posted By Master484
Hmm, according to HOL both Battle Squadron and...

Hmm, according to HOL both Battle Squadron and Xenon 2 were released at 1989.
http://hol.abime.net/72
http://hol.abime.net/1605

And if you look at the magazine review dates, the oldest Battle...
Forum: Coders. Blitz Basic 05 February 2019, 13:13
Replies: 50
Views: 8,890
Posted By Master484
Yes, some "extra scroll space" is usually needed...

Yes, some "extra scroll space" is usually needed in a 2 bitmap scroller like this.

If you want to know the theory, then here is how I would do it. :)

So if the bitmap is 224 + 224, and tiles...
Forum: Retrogaming General Discussion 04 February 2019, 20:32
Replies: 151
Views: 7,411
Posted By Master484
Splatterhouse could be a good candidate for an...

Splatterhouse could be a good candidate for an Amiga conversion:

https://www.youtube.com/watch?v=xss7N6ELobU

Game scrolls to only 1 direction and object amounts on screen seem quite "blitter...
Forum: Coders. Asm / Hardware 23 January 2019, 20:16
Replies: 40
Views: 2,042
Posted By Master484
In Blitz Basic there is one trick that works in...

In Blitz Basic there is one trick that works in Dual Playfield at least, when the playfield where the objects are drawn doesn't have any background graphics.

And the trick goes like this:
1....
Forum: Coders. Asm / Hardware 23 January 2019, 16:45
Replies: 40
Views: 2,042
Posted By Master484
Some time ago there was discussion about...

Some time ago there was discussion about collisions in the Blitz forum too:
http://eab.abime.net/showthread.php?t=92900

In that thread we found out that the "Player Bullets" type objects were by...
Forum: HOL suggestions and feedback 18 January 2019, 15:07
Replies: 36
Views: 2,542
Posted By Master484
Wolfchild had an anime style intro. ...

Wolfchild had an anime style intro.
http://hol.abime.net/1745


http://hol.abime.net/pic_full/screenshot/1701-1800/1745_screen7.png


Also games like Soccer Kid, Ruff 'n Tumble and Top Banana...
Forum: Coders. Blitz Basic 22 November 2018, 21:28
Replies: 14
Views: 888
Posted By Master484
Maybe not, but I have always used MS Paint for...

Maybe not, but I have always used MS Paint for almost all gfx work, and so I just stubbornly continue using it. :D

Ok, thanks for the info.

And about the color value conversions that I posted,...
Forum: Coders. Blitz Basic 22 November 2018, 13:36
Replies: 14
Views: 888
Posted By Master484
I have always drawn my Amiga graphics in Windows...

I have always drawn my Amiga graphics in Windows Paint, and save them in PNG, and then convert them to Amiga IFF using XnView.

The colors of the resulting image will usually show wrong in Blitz,...
Forum: Coders. Blitz Basic 26 June 2018, 15:53
Replies: 136
Views: 6,451
Posted By Master484
Also the different versions of Blitz is one...

Also the different versions of Blitz is one factor that can affect speed. ABS and QABS may give different results on AmiBlitz and Classic Blitz 2.1, because the code might be different, and also some...
Forum: Coders. Blitz Basic 25 June 2018, 14:52
Replies: 136
Views: 6,451
Posted By Master484
Yes, although I think that with single point...

Yes, although I think that with single point bullets there are still some adds and substracts, because when you check if the bullet center point is inside the enemy rectangle, then for the left box...
Forum: Coders. Blitz Basic 23 June 2018, 11:56
Replies: 136
Views: 6,451
Posted By Master484
That's right, in a single playfield 16 or 32...

That's right, in a single playfield 16 or 32 color mode game BlitColl would be hard to use.

An alternative command for those games would be the Point(X,Y) which can be used in the same way as...
Forum: Coders. Blitz Basic 23 June 2018, 11:20
Replies: 159
Views: 17,113
Posted By Master484
I tested the PaletteRange command and it seems to...

I tested the PaletteRange command and it seems to work on classic Blitz 2.1 at least, but the color values given have to be between 0-255, even if it's an OCS screen with OCS palette.

Also you...
Forum: Coders. Blitz Basic 22 June 2018, 15:55
Replies: 136
Views: 6,451
Posted By Master484
I found a way to dramatically speed up the...

I found a way to dramatically speed up the collisions: The Blitz command BlitColl. :D

I simply put that before the bullet QBlits, and if it returns true, then a collision variable is set to -1....
Forum: Coders. Blitz Basic 19 June 2018, 20:14
Replies: 136
Views: 6,451
Posted By Master484
Thanks for doing the tests with the ABS function....

Thanks for doing the tests with the ABS function.

I have tried to solve this problem on paper, trying to come up with formulas for counting the distance between X1 and X2, that would always bring...
Forum: Coders. Blitz Basic 18 June 2018, 14:43
Replies: 136
Views: 6,451
Posted By Master484
Believe it or not, it's true. :great The...

Believe it or not, it's true. :great

The speed of the 4 IFs is based on the fact that in most cases it only checks one or two IFs. The third and fourth IF almost never get executed.

But despite...
Forum: Coders. Blitz Basic 17 June 2018, 15:33
Replies: 136
Views: 6,451
Posted By Master484
Yeah I know about macros, and some day I'll...

Yeah I know about macros, and some day I'll probably try to learn how to use them. :)

I'll check if this is possible, but I'm not sure if that sort of variable change trick from positive to...
Forum: Coders. Blitz Basic 16 June 2018, 13:35
Replies: 136
Views: 6,451
Posted By Master484
Not much, except that Gosubs add some extra...

Not much, except that Gosubs add some extra slowdown, especially when they are inside the loop that goes through all objects. Each Gosub adds two operations: "jump to address" + "Return". And if...
Forum: Coders. Blitz Basic 15 June 2018, 16:08
Replies: 136
Views: 6,451
Posted By Master484
http://eab.abime.net/attachment.php?attachmentid=5...

http://eab.abime.net/attachment.php?attachmentid=58584&stc=1&d=1529067771

I made a small collision test program. ADF with source is in the attachment of this post.

The instructions are printed...
Forum: Coders. Blitz Basic 13 June 2018, 22:18
Replies: 136
Views: 6,451
Posted By Master484
I just tested this and indeed trying to create a...

I just tested this and indeed trying to create a 1+3 dual PF resulted in an error.

But 2+3 worked fine, and in comparison to 3+3 drawing speed increased by some 10 %.

---

Also I quickly...
Forum: Coders. Blitz Basic 13 June 2018, 14:39
Replies: 136
Views: 6,451
Posted By Master484
More about the Dual Playfield effects on CPU...

More about the Dual Playfield effects on CPU speed, the Amiga hardware manual says this:

" ...if there are more than four bit-planes, bit-plane DMA will begin to steal cycles from the 68000 during...
Forum: Coders. Blitz Basic 13 June 2018, 14:35
Replies: 159
Views: 17,113
Posted By Master484
I quickly tested this and seems like the highest...

I quickly tested this and seems like the highest value is 311. And I think the values higher than 256 (or 255 since 0 counts as a value too) are always outside the normal display height of 256.
Forum: Coders. Blitz Basic 12 June 2018, 15:37
Replies: 136
Views: 6,451
Posted By Master484
I have tested reducing the screen size both...

I have tested reducing the screen size both vertically and horizontally, and both methods give more speed. I'm not sure which way is better, but I could do some tests later.

Blitz manual also...
Forum: Coders. Blitz Basic 11 June 2018, 21:52
Replies: 136
Views: 6,451
Posted By Master484
Here is one more idea: Add four more...

Here is one more idea:

Add four more variables for the bullets: bulletLeftSide, bulletRightSide, bulletUpSide, bulletDownSide.

Use these variables to store the X and Y locations of the bullets...
Forum: Coders. Blitz Basic 11 June 2018, 17:19
Replies: 136
Views: 6,451
Posted By Master484
This should surely improve speed, if it's done in...

This should surely improve speed, if it's done in the right way. :great

However, I just realized that in the example code that I gave, I may have done it in the wrong way. :D

So here again...
...
Forum: Coders. General 11 June 2018, 16:19
Replies: 18
Views: 1,337
Posted By Master484
For 25 FPS I also use a frame counter that starts...

For 25 FPS I also use a frame counter that starts from 0, and +1 is added to it in every vertical blank interrupt.

But I have only 1 wait for vbl.

But just before the "wait for vbl" command...
Forum: Retrogaming General Discussion 11 June 2018, 16:16
Replies: 180
Views: 10,272
Posted By Master484
Nice looking demos, it would certainly be cool to...

Nice looking demos, it would certainly be cool to have a better conversion of Robocop for the A500. And why not Mortal Kombat 3 too. :great

But as you said, making arcade games is not easy, and it...
Forum: Coders. Blitz Basic 10 June 2018, 17:31
Replies: 136
Views: 6,451
Posted By Master484
Indeed, I would even say that this is the most...

Indeed, I would even say that this is the most important thing when planning your general code flow.

I myself didn't realize this until I made some tests after reading some of the discussions in...
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