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Forum: support.WinUAE Yesterday, 18:13
Replies: 689
Views: 179,950
Posted By ross
If anyone thinks that what Toni is saying is...

If anyone thinks that what Toni is saying is difficult or 'weird', they have no idea how big the mess actually is ;)
Getting the hands on the programmed modes was like opening Pandora's box.
...
Forum: Member Introductions 09 June 2021, 21:37
Replies: 42
Views: 8,597
Posted By ross
Yeahhh, Rickrolling time! The truth is the...

Yeahhh, Rickrolling time!

The truth is the lyric makes me smile, even now since 1985, something nostalgic :D
Forum: Member Introductions 09 June 2021, 21:11
Replies: 42
Views: 8,597
Posted By ross
https://www.youtube.com/watch?v=fh8Y7f-PDDQ ...

https://www.youtube.com/watch?v=fh8Y7f-PDDQ

:cool
Forum: Coders. Blitz Basic 09 June 2021, 19:28
Replies: 122
Views: 26,175
Posted By ross
Yes, a set up for a timed IRQ6 inside the IRQ3. ...

Yes, a set up for a timed IRQ6 inside the IRQ3.
The alternative is a delay by "raster lines count"..

(promised, last derail for the thread ;) sorry)
Forum: Coders. Blitz Basic 09 June 2021, 18:13
Replies: 122
Views: 26,175
Posted By ross
Yep, the only advantage is the 'consistency':...

Yep, the only advantage is the 'consistency': never a 'double' call per frame.
Or an old module that 'sound' better.. maybe.. :)


This would be great!

Different possibilities:
- copper, but...
Forum: Coders. Blitz Basic 09 June 2021, 17:16
Replies: 122
Views: 26,175
Posted By ross
Yes, this is the main idea. Yes and no. ...

Yes, this is the main idea.


Yes and no.
Many people still in their intros/demos/games use routines linked to the VBI (for convenience and to keep audio play under control and consistent*).
And...
Forum: Coders. Blitz Basic 09 June 2021, 15:39
Replies: 122
Views: 26,175
Posted By ross
@phx: hmm, why not add an optional parameter...

@phx:
hmm, why not add an optional parameter for this setting when using the CIA replayer?
So I stop hacking the code :)
Forum: Coders. Blitz Basic 09 June 2021, 15:13
Replies: 122
Views: 26,175
Posted By ross
:great There is a little trick to avoid this...

:great

There is a little trick to avoid this (that can lead in extreme situations to two execution per frame).

All of these modules were meant to work in the VBI, which is in fact not exactly...
Forum: Member Introductions 09 June 2021, 14:25
Replies: 42
Views: 8,597
Posted By ross
Thank you to everyone for the birthday wishes! ...

Thank you to everyone for the birthday wishes!




Nothing special, just the story of a guy who is passionate about computers like so many others here ;)

Cheers!
Forum: Coders. Blitz Basic 09 June 2021, 14:14
Replies: 122
Views: 26,175
Posted By ross
ptplayer is working properly. You wait for a...

ptplayer is working properly.

You wait for a precise line ($96).
Obviously if the ptplayer IRQ code is executed in that line, your wait code fails (and you skip a full frame, minimum).

Change...
Forum: Member Introductions 02 June 2021, 00:00
Replies: 42
Views: 8,597
Posted By ross
https://eab.abime.net/attachment.php?attachmentid=...

https://eab.abime.net/attachment.php?attachmentid=72161&stc=1&d=1622584466
Forum: Coders. Asm / Hardware 31 May 2021, 17:21
Replies: 24
Views: 1,073
Posted By ross
Laziness? Or: "I gave you neg, use it!". I...

Laziness? Or: "I gave you neg, use it!".
I could understand for a 'simple' processor (RISC or with PLA or with only state machine/combinational logic), but not for a micro/nano-coded one like the...
Forum: Coders. Asm / Hardware 31 May 2021, 16:44
Replies: 24
Views: 1,073
Posted By ross
Now is right and nice :great I don't think...

Now is right and nice :great

I don't think it's a problem for buzzybe the limited +/-16384 range, nor the inverted x/y input.
Forum: Coders. Asm / Hardware 31 May 2021, 15:24
Replies: 24
Views: 1,073
Posted By ross
I grab what Buzzybee wrote and give an example. ...

I grab what Buzzybee wrote and give an example.

0.w = x-acceleration (<0 = move left, >0 = move right)
2.w= y-acceleration (< 0 = move up, > 0 = move down)

objectListAcc dc.w a,b...
Forum: Coders. Asm / Hardware 31 May 2021, 14:31
Replies: 24
Views: 1,073
Posted By ross
No, it does not ;). EDIT: The problem with...

No, it does not ;).

EDIT:
The problem with your algorithm is that in any case (for both the addition and the subtraction) you are doing it on signed values, while what you are asked to do is to...
Forum: Coders. Asm / Hardware 31 May 2021, 12:25
Replies: 24
Views: 1,073
Posted By ross
You have to choose whether to be elegant or fast...

You have to choose whether to be elegant or fast (and my solution may not necessarily be, you have to try it on the real deal).
I also prefer to avoid branches (there are many examples of how I feel...
Forum: Coders. Asm / Hardware 31 May 2021, 11:26
Replies: 24
Views: 1,073
Posted By ross
I have serious doubts this will work :) Just...

I have serious doubts this will work :)
Just try it for positive y values greater than positive x values and you will have problems ..

---

For a bare 68k I would have no doubts and would...
Forum: Coders. Asm / Hardware 26 May 2021, 17:57
Replies: 11
Views: 615
Posted By ross
I don't want to restart the usual...

I don't want to restart the usual system/non-system dispute,
I know exactly how you think and your method is absolutely valid.

But there are those who are also interested in this type of speeches...
Forum: Coders. Asm / Hardware 26 May 2021, 16:09
Replies: 11
Views: 615
Posted By ross
This is my full disabler. Me too, as phx,...

This is my full disabler.

Me too, as phx, have had reports from users for caches, VBR and MMU already active/modified before the execution of the booblock.
Usually only the instruction cache is...
Forum: Coders. Asm / Hardware 26 May 2021, 00:05
Replies: 11
Views: 615
Posted By ross
http://eab.abime.net/showthread.php?t=96233

http://eab.abime.net/showthread.php?t=96233
Forum: support.WinUAE 24 May 2021, 00:14
Replies: 233
Views: 74,468
Posted By ross
ah sorry, I had no idea it was something already...

ah sorry, I had no idea it was something already discussed in 2019, I follow this thread occasionally and even if I read it at the time I totally forgot about it :)
Forum: support.WinUAE 23 May 2021, 23:56
Replies: 233
Views: 74,468
Posted By ross
I think he thanked for the upload, no need to...

I think he thanked for the upload, no need to smash your head against the wall :)

To clarify, the thanks for the fix go to someone else.
If it's you, thanks to you!
:great
Forum: support.WinUAE 23 May 2021, 15:16
Replies: 233
Views: 74,468
Posted By ross
WinUAE could somehow emulate this, but probably...

WinUAE could somehow emulate this, but probably only as an "Advanced Chipset feature".
At each power up memory chips has these different (in some cases very different) bit patterns, so the demo is...
Forum: support.WinUAE 21 May 2021, 18:26
Replies: 689
Views: 179,950
Posted By ross
It's the demo that's broken. There is a working...

It's the demo that's broken.
There is a working version available, into the Zone!
Forum: Coders. Asm / Hardware 20 May 2021, 21:30
Replies: 38
Views: 3,513
Posted By ross
The cause is not the number of bitplanes, at...

The cause is not the number of bitplanes, at least not directly.
You can 'generate' the glitches even with only 3 active planes.

oops, I've given you another hint :)
Forum: Coders. Asm / Hardware 20 May 2021, 21:09
Replies: 38
Views: 3,513
Posted By ross
It's nice to see all the glitches on WinUAE now...

It's nice to see all the glitches on WinUAE now too ;)

A big step forward in perfect emulation!

:great
Forum: Coders. Asm / Hardware 18 May 2021, 21:53
Replies: 32
Views: 2,332
Posted By ross
Excellent and complete article! :great

Excellent and complete article!
:great
Forum: support.WinUAE 17 May 2021, 19:23
Replies: 689
Views: 179,950
Posted By ross
Never seen before, this should go straight to...

Never seen before, this should go straight to undocumented features thread :)

If implemented properly it would have been very interesting!
Unfortunately this way it is very slow (and ..strange)..
Forum: support.WinUAE 16 May 2021, 22:05
Replies: 689
Views: 179,950
Posted By ross
WAIT, does this really mean what I think?...

WAIT, does this really mean what I think? :shocked
BLTBPT is used to fetch the pattern(s) and the DAT is 'spread' in memory to meet modulo needs?
Forum: Coders. Asm / Hardware 14 May 2021, 23:21
Replies: 19
Views: 998
Posted By ross
This. A good way to slow down your AGA...

This.

A good way to slow down your AGA setup..
Forum: Coders. General 14 May 2021, 23:17
Replies: 17
Views: 986
Posted By ross
It was just to clarify whether some 'adventurous'...

It was just to clarify whether some 'adventurous' programs would stop working in the future.
But in the case of JST everything is already in place regardless :)

Thanks for the 'arp' tip.
Forum: Coders. Asm / Hardware 14 May 2021, 23:05
Replies: 19
Views: 998
Posted By ross
Absolutely right :agree Was just to use the...

Absolutely right :agree
Was just to use the available data (and can be useful for understanding alignments on AGA.. maybe.. :))
Forum: Coders. Asm / Hardware 14 May 2021, 22:25
Replies: 19
Views: 998
Posted By ross
What I would do: - realign the image: ...

What I would do:

- realign the image:
cnop 0,8
image_data:
dcb.b 36,0
incbin "title256.raw"


- skip the first line now invalid:
Forum: Coders. General 14 May 2021, 19:15
Replies: 17
Views: 986
Posted By ross
@Thomas: Just to clarify, has support for GV been...

@Thomas: Just to clarify, has support for GV been or will be eliminated in 3.1.4 / 3.2?
This to understand if JST (or similar that rely on TripOS ReadArgs) will continue to work or will have to...
Forum: request.Other 13 May 2021, 20:27
Replies: 12
Views: 2,165
Posted By ross
Just uploaded into the Zone!

Just uploaded into the Zone!
Forum: Coders. Asm / Hardware 13 May 2021, 15:27
Replies: 4
Views: 523
Posted By ross
Best way: do it with the CPU, you can find fast...

Best way: do it with the CPU, you can find fast methods with a search on EAB.
Theoretically you can do it with the blitter too, but too slow and convoluted.

DESC mode is global, so what you want...
Forum: Coders. General 11 May 2021, 00:34
Replies: 17
Views: 986
Posted By ross
No neat reference sorry, only old snippets from...

No neat reference sorry, only old snippets from BCPL and TripOS sources (and memory..).
(you can probably find information online)

About this code:

movea.l (356,a2), a4 ; 28 6A 01 64 = moveal...
Forum: Coders. General 10 May 2021, 19:34
Replies: 17
Views: 986
Posted By ross
uh, I wanted to answer this thread and instead I...

uh, I wanted to answer this thread and instead I answered a very old one simply because I had done a search to see if there was something public and useful (and the page remained open..) :D

Well,...
Forum: Coders. General 10 May 2021, 19:23
Replies: 7
Views: 1,994
Posted By ross
From what I remember there is a complete BCPL...

From what I remember there is a complete BCPL environment available for executables launched from the CLI.
I have no idea if the 3.1.4 ROMs continue to support it, but it was until 3.1 OS.
Some...
Forum: News 08 May 2021, 23:12
Replies: 443
Views: 57,191
Posted By ross
;) - Back on topic, this characters...

;)

-
Back on topic, this characters decomposition is awesome.

alpine9000, you have to find a way to insert it into the final game somehow.
:great
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