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Forum: Coders. Asm / Hardware 08 June 2020, 04:57
Replies: 5
Views: 588
Posted By Auscoder
Not much (that I know) that will export directly...

Not much (that I know) that will export directly to sprite positions..

But think a little different : All you need is something that will export to positions, then you can convert or pre-process...
Forum: Coders. Asm / Hardware 03 June 2020, 15:01
Replies: 13
Views: 805
Posted By Auscoder
I came across this neat site looking for atan2...

I came across this neat site looking for atan2 info : https://plutiedev.com/angle-math probably quite helpful to you. Pretty light on details but a good overview.
Forum: Coders. Asm / Hardware 03 June 2020, 06:05
Replies: 13
Views: 805
Posted By Auscoder
It was noted above by DanScott: To do it with...

It was noted above by DanScott: To do it with tweening or interpolation (without using actual lateral forces)

direction * speed.. == velocity (Simplified here velocity can be speed on x and y...
Forum: Coders. Asm / Hardware 23 May 2020, 11:31
Replies: 3
Views: 683
Posted By Auscoder
Could have been that, fairly sure it was a hotkey...

Could have been that, fairly sure it was a hotkey combo in some code editor though. Maybe I did completely dream it up :spin
Forum: Coders. Asm / Hardware 23 May 2020, 05:32
Replies: 4
Views: 552
Posted By Auscoder
Yep! Unfortunately can only match against a...

Yep! Unfortunately can only match against a specific bit set, can’t match against any combo. Means you need to author essentially a collision plane to be super accurate. Annoying and lacking imo.
Forum: Coders. Asm / Hardware 20 May 2020, 04:19
Replies: 3
Views: 683
Posted By Auscoder
Arrow What registers did I touch

I seem to remember vaguely back in the day, I used some hotkey maybe in Devpac(?) that allowed me to select a bunch of code and it would list what registers I dirtied. Maybe it even generated the...
Forum: Coders. Asm / Hardware 06 May 2020, 06:30
Replies: 8
Views: 724
Posted By Auscoder
Devpac options should allow you to set the...

Devpac options should allow you to set the include path, would avoid copying over existing includes, rather path it correctly. I have only used 3.1 includes so can’t halo with the later stuff.
Forum: Coders. Asm / Hardware 05 May 2020, 13:47
Replies: 55
Views: 4,650
Posted By Auscoder
This is quite good if you can read Italian :...

This is quite good if you can read Italian : http://corsodiassembler.ramjam.it/dl/RamJam_Corso_Assembler_Amiga.pdf?fbclid=IwAR298sAi3ohsTdEmDB7gkF2I1smkkv669NxN8roOZuz_oVYryAVFjxkzeBM

Also use :...
Forum: Coders. Asm / Hardware 05 May 2020, 13:17
Replies: 3
Views: 514
Posted By Auscoder
Because #$ff in as a long is positive (moveq ==...

Because #$ff in as a long is positive (moveq == moveq.l faster but functionally equivalent to move.l)
#$ff as a word is still positive (move.w)
#$ff as a byte is negative (move.b)

#-1 is...
Forum: project.Amiga Game Factory 27 April 2020, 04:06
Replies: 138
Views: 10,904
Posted By Auscoder
I think you are on the right track! I would...

I think you are on the right track!

I would go about it something like this : Guessing you have a current/initial direction value for your car (0-7 or some-such)? Remembering that, when you...
Forum: Amiga scene 25 April 2020, 15:31
Replies: 44
Views: 4,422
Posted By Auscoder
That’s great man!

That’s great man!
Forum: Coders. Asm / Hardware 24 April 2020, 16:16
Replies: 6
Views: 998
Posted By Auscoder
Hey phx, I found an issue if the coder uses a...

Hey phx, I found an issue if the coder uses a float in an expression for a 32 bit type it’s converted to fp and injected as such.

So this is possible

Data: dc.l 65536.0

But the value will...
Forum: Coders. Asm / Hardware 24 April 2020, 01:02
Replies: 6
Views: 998
Posted By Auscoder
Thanks phx, that’s also what I concluded here. I...

Thanks phx, that’s also what I concluded here. I don’t really need floating point elsewhere :) so I may try with a local custom build. Big help cheers!!
Forum: Coders. Asm / Hardware 23 April 2020, 15:14
Replies: 6
Views: 998
Posted By Auscoder
Thanks for the tips phx! much appreciated. ...

Thanks for the tips phx! much appreciated.

Yes of course 128/10 -- but generally... :spin

It's quite handy for me to be able to use float, if I were to look at the source, would it be as simple...
Forum: Coders. Asm / Hardware 23 April 2020, 07:55
Replies: 6
Views: 998
Posted By Auscoder
Couple of vasm questions

Hi, just moved my project over to cross compile on Windows with vasm. Was previously using Devpac on the Amiga.

Is there a way to disable optimization messages or any messages by id?
I see vasm...
Forum: Amiga scene 21 April 2020, 02:17
Replies: 86
Views: 8,694
Posted By Auscoder
040+fast makes a significant difference, more so...

040+fast makes a significant difference, more so around gameplay logic and how fast we can queue up objects to be drawn and generate the needed copper lists. (Not sure on 030, as have not got one...
Forum: Amiga scene 21 April 2020, 00:56
Replies: 86
Views: 8,694
Posted By Auscoder
Maybe a bit of both :spin - We will continue to...

Maybe a bit of both :spin - We will continue to tweak the scrolling speed, since the new art for this level was added there has only been minimal time added to tweak to for both feeling and visuals....
Forum: Amiga scene 17 April 2020, 11:18
Replies: 12
Views: 1,295
Posted By Auscoder
Very nice - really enjoyed!

Very nice - really enjoyed!
Forum: Amiga scene 07 April 2020, 03:26
Replies: 86
Views: 8,694
Posted By Auscoder
Hi skyzoo73, thank you for the comments! good...

Hi skyzoo73, thank you for the comments! good observation on playfield aspect. The game is running in low-res. The aspect is currently at 1.28:1 (256x200), this is a hangover of my quick move over...
Forum: Amiga scene 07 April 2020, 03:17
Replies: 86
Views: 8,694
Posted By Auscoder
That exactly right, the pace of the horizontal...

That exactly right, the pace of the horizontal scroll dynamically adjusts to assist in setting the tempo / heart beat of the game. Its a lot of work to just to tweak and tune the scrolling speeds of...
Forum: Amiga scene 11 March 2020, 02:56
Replies: 86
Views: 8,694
Posted By Auscoder
So its on :) haha, yeah I agree somewhat.... oh...

So its on :) haha, yeah I agree somewhat.... oh well.



Absolutely, the nuances of the camera, player and scrolling are really what set's it apart in my mind. I've never seen a game before that...
Forum: Amiga scene 10 March 2020, 04:58
Replies: 86
Views: 8,694
Posted By Auscoder
:spin UHO!, and thank you, I hope you can find...

:spin UHO!, and thank you, I hope you can find another style, I would like to be greedy and keep this style for Boss Machine. Happy to chat if you want to hit me up in PM.

BTW Rotator is awesome,...
Forum: Amiga scene 10 March 2020, 04:14
Replies: 86
Views: 8,694
Posted By Auscoder
I really should watch this sub-forum more. ...

I really should watch this sub-forum more.

Here is a little EAB exclusive unlisted video showing one of the new weapons in progress. We are up to 3 unique weapons now, and I hope to make 5 or 6...
Forum: Coders. Asm / Hardware 13 February 2020, 10:47
Replies: 9
Views: 815
Posted By Auscoder
Interesting so to confirm add the negative of...

Interesting so to confirm add the negative of value I write to DDFSTART which is subtract BPLCON1 value from DDFSTART. Or do you mean inverse? if BPLCON1 value is scroll 8, then add 24 to DDFSTART....
Forum: Coders. Asm / Hardware 13 February 2020, 03:47
Replies: 9
Views: 815
Posted By Auscoder
Maybe I am missing something still I went...

Maybe I am missing something still

I went ahead and precalc the BPLCON1 scroll word for Playfield 1 (0-63) like so

scrollTable64: dc.w 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15 ; 0-15
...
Forum: Coders. Asm / Hardware 12 February 2020, 10:27
Replies: 9
Views: 815
Posted By Auscoder
:D ohhhhhhhh! Thank you

:D ohhhhhhhh! Thank you
Forum: Coders. Asm / Hardware 12 February 2020, 10:08
Replies: 9
Views: 815
Posted By Auscoder
Ross thanks! So : PFxH2->PFxH6 for regular...

Ross thanks!

So : PFxH2->PFxH6 for regular lowres pixel scroll, and then I guess logically its PFxH2->H7 for 31-63 right?

If I want to use 35ns (set bit 0, clear bit 1) or 70ns (clear bit 0,...
Forum: Coders. Asm / Hardware 12 February 2020, 08:24
Replies: 9
Views: 815
Posted By Auscoder
AGA Scroll Instruction

Hi all, with the wonderful help of people here I managed to migrate my game to AGA. Working concurrently on AGA (https://www.youtube.com/watch?v=YU_a5jn4XGE&feature=youtu.be)and OCS...
Forum: Coders. Asm / Hardware 28 January 2020, 13:25
Replies: 11
Views: 916
Posted By Auscoder
I find with shifting for speed/acceleration, its...

I find with shifting for speed/acceleration, its a bit too granular, good if you want 2x 4x steps etc, but for something finer fixed point works a treat for me.
Forum: Coders. Asm / Hardware 28 January 2020, 13:24
Replies: 11
Views: 916
Posted By Auscoder
Yes great, normalized delta's are key here. I...

Yes great, normalized delta's are key here. I guess the table you are now generating is providing those to you. I will have to do this, as I am calculating normalized vector each time a tracking...
Forum: Coders. Asm / Hardware 28 January 2020, 13:20
Replies: 11
Views: 791
Posted By Auscoder
Thank you for this advice, I have update DDFSTOP,...

Thank you for this advice, I have update DDFSTOP, but did still have to update Modulos. I don't quite understand these registers and how they work properly, so it's time to do some reading.
Forum: Coders. Asm / Hardware 28 January 2020, 13:16
Replies: 11
Views: 791
Posted By Auscoder
Headsup, Thanks Roondar, it was exactly this. In...

Headsup, Thanks Roondar, it was exactly this. In conjunction I had some padding being added at runtime to the bitplane pointers to avoid having to do small amounts of clipping on blits. Adding some...
Forum: Coders. Asm / Hardware 27 January 2020, 15:02
Replies: 11
Views: 791
Posted By Auscoder
Thanks Roondar, there are some nice options for...

Thanks Roondar, there are some nice options for me to go through tomorrow evening. Its getting a little late to be doing much more here now.

You probably are on to it with the scroll offset...
Forum: Coders. Asm / Hardware 27 January 2020, 14:36
Replies: 11
Views: 791
Posted By Auscoder
Thanks mcgeezer, I tried a few variations,...

Thanks mcgeezer, I tried a few variations, positive and negative, a few made things look a bit better, some much worse. actually -2 came closest. Looks like that at least one bitplane is right like...
Forum: Coders. Asm / Hardware 27 January 2020, 13:50
Replies: 11
Views: 791
Posted By Auscoder
FMODE 0 to FMODE 1

Hey all

I am trying to move my game to AGA from ECS version, and would like to set the FMODE now higher than the Normal Fetch. I am trying just $01 for now...

I am seeing visual error when...
Forum: Coders. Asm / Hardware 27 January 2020, 01:10
Replies: 11
Views: 916
Posted By Auscoder
Hi Richard, I saw that feedback, pretty decent...

Hi Richard, I saw that feedback, pretty decent feedback too.

For the acceleration, you are able to fudge it along with the dx/dy approach. Since you are storing your coords in 32bit with upper 16...
Forum: Coders. Asm / Hardware 24 January 2020, 15:29
Replies: 21
Views: 1,294
Posted By Auscoder
Hmmm I am not sure how to dump the copper list,...

Hmmm I am not sure how to dump the copper list, looking in to the UAE debugger now. Time to learn something else new :)
Forum: Coders. Asm / Hardware 24 January 2020, 11:19
Replies: 21
Views: 1,294
Posted By Auscoder
Thanks Ross, This: seems to work well for 16...

Thanks Ross, This: seems to work well for 16 color sprites and PF1 (big step thank you). I am seeing some issue with palette on PF2 not as I expect. I am looking now to see if maybe I am stomping any...
Forum: Coders. Asm / Hardware 24 January 2020, 09:57
Replies: 21
Views: 1,294
Posted By Auscoder
I only have the code to set the colors in the...

I only have the code to set the colors in the palettes, have not figured out how to assign palettes to playfields or sprites.

I do this to set the palette per bank


; Write palette to bank 0...
Forum: Coders. Asm / Hardware 24 January 2020, 04:56
Replies: 21
Views: 1,294
Posted By Auscoder
I have been reading and reading this thread, but...

I have been reading and reading this thread, but still don't get it... Dyslexic I must be. I am also setting up an AGA dual playfield trying to transition for an AGA version of my OCS/ECS project :...
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