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Search: Posts Made By: ross
Forum: Coders. Asm / Hardware Yesterday, 19:16
Replies: 8
Views: 220
Posted By ross
Thanks. Original replaced :)

Thanks.

Original replaced :)
Forum: Coders. Asm / Hardware Yesterday, 18:20
Replies: 21
Views: 638
Posted By ross
Item found ;) Yep, bitfield instructions...

Item found ;)

Yep, bitfield instructions are great, unfortunately in many cases slower than direct access with shift and masks. To be used only in specific cases.
If you look at my non-system...
Forum: Coders. Asm / Hardware Yesterday, 17:48
Replies: 21
Views: 638
Posted By ross
Kudos for article and video :great

Kudos for article and video :great
Forum: Coders. Asm / Hardware 18 February 2020, 14:41
Replies: 6
Views: 317
Posted By ross
hmm, you skip gb_copinit->cop1lc recovery.. A...

hmm, you skip gb_copinit->cop1lc recovery..
A blanked/grey boot screen doesn't mean there is not a previous system copper list active (unrelated to the 'oldview' from _LVOLoadView).
Forum: Coders. Asm / Hardware 17 February 2020, 19:22
Replies: 16
Views: 561
Posted By ross
See my edit (sorry not noticed your response...

See my edit (sorry not noticed your response before).

On 020 situation is even better.
Forum: Coders. Asm / Hardware 17 February 2020, 18:53
Replies: 16
Views: 561
Posted By ross
I don't see why the following code shouldn't work...

I don't see why the following code shouldn't work on the whole Amiga family (this is simplified and call the required Supervisor state).
68000 prefetch is on word, so even if not aligned to longword...
Forum: Coders. Asm / Hardware 17 February 2020, 15:49
Replies: 6
Views: 317
Posted By ross
Definitely not as you say :). If you want to do...

Definitely not as you say :).
If you want to do it in copper list you have to add a line, not change the existing (SET/CLR bit..).

So maybe is better to do the sprites disabling (and other DMA)...
Forum: Coders. Asm / Hardware 17 February 2020, 12:08
Replies: 6
Views: 317
Posted By ross
Have you enabled the BPLEN bit in DMACON? (move.w...

Have you enabled the BPLEN bit in DMACON? (move.w #$8100,$dff09a)

From KS2.0+ you can have a new default boot block that does not open a screen until something is written to CLI.
So it's by you...
Forum: Coders. Asm / Hardware 13 February 2020, 10:31
Replies: 9
Views: 476
Posted By ross
:agree I like DDFSTRT=$34 on OCS. It...

:agree

I like DDFSTRT=$34 on OCS.
It allows me to have SPR6 unaltered and adds a small overscan.
Forum: Coders. Asm / Hardware 13 February 2020, 09:33
Replies: 9
Views: 476
Posted By ross
What is the value used for DDFSTRT? You must...

What is the value used for DDFSTRT?
You must have suitable values to use the new bits available in BPLCON1.

Can you post code / copper list?
Forum: Amiga websites reviews 13 February 2020, 00:07
Replies: 5
Views: 280
Posted By ross
It never been down for me.. Are you sure are...

It never been down for me..

Are you sure are you using the right address? https://amigaremix.com
Forum: Amiga scene 12 February 2020, 21:48
Replies: 511
Views: 50,244
Posted By ross
:agree And of course the situation is...

:agree


And of course the situation is even worse for NTSC games in a real situation because this 18.75% is valid only if all the uses of the DMA slots are reduced proportionally.
But this is...
Forum: Amiga scene 12 February 2020, 18:21
Replies: 511
Views: 50,244
Posted By ross
7159090Hz NTSC 7093790HZ PAL To make an...

7159090Hz NTSC
7093790HZ PAL

To make an exact count we have to consider 2 whole NTSC frames because of the alternating length lines (for PAL it is simple because they are constant).

In NTSC...
Forum: HOL contributions 12 February 2020, 14:25
Replies: 17
Views: 544
Posted By ross
Damien I really appreciate your last message. ...

Damien I really appreciate your last message.
And above all, your patience ;)

Something moves under the ashes for WREX :D
So stay tuned.

Problem here, as usual, is that real life it's...
Forum: Coders. Asm / Hardware 12 February 2020, 11:22
Replies: 9
Views: 476
Posted By ross
:agree (but FMODE=3) ...

:agree
(but FMODE=3)


11->+35ns+70ns=+105ns->+3/4pixel
;)
Forum: support.WinUAE 12 February 2020, 11:17
Replies: 23
Views: 1,047
Posted By ross
More than a privilege I would say it is an honor...

More than a privilege I would say it is an honor and a gratification.
It should not be a privilege to be able to express one's passion and voluntarily dedicate one's time to a public place....
Forum: Coders. Asm / Hardware 12 February 2020, 10:46
Replies: 9
Views: 476
Posted By ross
BPLCON1 bit are renamed in AGA: BPLCON1 ...

BPLCON1 bit are renamed in AGA:
BPLCON1
+------+---------+---------------------------------------------------------+
| BIT# | BPLCON1 | DESCRIPTION |...
Forum: HOL contributions 11 February 2020, 12:45
Replies: 17
Views: 544
Posted By ross
Ah! You need to redo it, I've added sound/voice...

Ah! You need to redo it, I've added sound/voice effects to the last scene.

You can't miss it :)
Forum: HOL contributions 11 February 2020, 12:37
Replies: 17
Views: 544
Posted By ross
http://eab.abime.net/attachment.php?attachmentid=6...

http://eab.abime.net/attachment.php?attachmentid=66154&stc=1&d=1581417358

:D:D
Forum: HOL contributions 11 February 2020, 12:25
Replies: 17
Views: 544
Posted By ross
With a little magic and hard work this image has...

With a little magic and hard work this image has been reconstructed :cool


I've only added a selectable time limit and an in-game key to zero it ;)


Only when you complete the insane level 37...
Forum: HOL contributions 11 February 2020, 08:55
Replies: 17
Views: 544
Posted By ross
That's for sure :)

That's for sure :)
Forum: HOL contributions 11 February 2020, 01:46
Replies: 17
Views: 544
Posted By ross
Well, the behavior can be changed. I've only to...

Well, the behavior can be changed. I've only to release the 100% and trained version that has been lying on my hdd for months.. ;)
Forum: Amiga scene 10 February 2020, 20:24
Replies: 511
Views: 50,244
Posted By ross
I disagree. Spread a demo version it a good way...

I disagree.
Spread a demo version it a good way to catch nasty bugs, do tests in very different configurations and collect suggestions.

Annoying people can be easily ignored.

In any case, it...
Forum: Coders. Asm / Hardware 09 February 2020, 15:01
Replies: 10
Views: 366
Posted By ross
020: 03 C = Clear Cache 02 CE = Clear Entry...

020:
03 C = Clear Cache
02 CE = Clear Entry In Cache
01 F = Freeze Cache
00 E = Enable Cache

030:
13 WA = Write Allocate
12 DBE = Data Burst Enable
11 CD = Clear Data Cache
Forum: Coders. Releases 09 February 2020, 13:03
Replies: 6
Views: 543
Posted By ross
:great Thanks!

:great

Thanks!
Forum: Coders. Asm / Hardware 09 February 2020, 13:00
Replies: 10
Views: 366
Posted By ross
Yes and no. The assignment of the bits for...

Yes and no.

The assignment of the bits for cache functions are different on 020+ family; as Thomas advised you, it is better to let exec.library do it for you.

In any case it is possible to use...
Forum: support.WinUAE 09 February 2020, 12:48
Replies: 35
Views: 1,613
Posted By ross
Can't the DMA hack be completely avoided? I...

Can't the DMA hack be completely avoided?
I guess it was inserted for performance reasons (or are there other reasons?).

So a flag for even greater compatibility could be added (there is also the...
Forum: Amiga scene 08 February 2020, 14:05
Replies: 511
Views: 50,244
Posted By ross
I have a working NTSC version here, but be ready...

I have a working NTSC version here, but be ready for some not so light slowdowns :)
If you're willing to accept it, I don't think it's a problem for Steril707 to implement the support.
Forum: Coders. General 06 February 2020, 14:07
Replies: 69
Views: 3,991
Posted By ross
Rotations and Z changes are contemporary, so...

Rotations and Z changes are contemporary, so steps are the same :)

EDIT: Britelite first..
Forum: Coders. General 06 February 2020, 13:36
Replies: 69
Views: 3,991
Posted By ross
Do it! Stop you Inviyya coding and do it! This...

Do it! Stop you Inviyya coding and do it!
This is more important :p
Forum: Coders. General 06 February 2020, 13:29
Replies: 69
Views: 3,991
Posted By ross
Perhaps the answer I had already given about...

Perhaps the answer I had already given about rotations was in stealth mode.

[don't take it personal Solo, I like joking ;)]
Forum: Coders. General 06 February 2020, 12:43
Replies: 69
Views: 3,991
Posted By ross
This. @Solo Kazuki: You are probably...

This.


@Solo Kazuki:
You are probably misunderstanding our comments and you are definitely not advertising Kefir and his game well.
I don't think I've read anywhere that the game teaser is not...
Forum: Coders. General 05 February 2020, 16:28
Replies: 69
Views: 3,991
Posted By ross
Why not? You do not need to pre-render for a...

Why not?
You do not need to pre-render for a full turn, but positions between two (full turn/16).
And a 360°/16 turn is really fast during the play: at 25fps probably 5/6 pre-rendered positions...
Forum: Coders. General 05 February 2020, 13:45
Replies: 69
Views: 3,991
Posted By ross
It's just the opposite :) Precisely because...

It's just the opposite :)

Precisely because it requires 'only' a 020 and 4MB that the tunnel graphics are pre-rendered (and Blender as a support tool makes it a certainty).

I suppose Britelite...
Forum: Coders. Asm / Hardware 04 February 2020, 17:51
Replies: 169
Views: 112,966
Posted By ross
If you know for sure that's a positive value, you...

If you know for sure that's a positive value, you can ext.l dx (4 cycles :))

But usually I keep a register with the upper part zeroed out of the main loop and then move the data only for the lower...
Forum: Coders. Asm / Hardware 03 February 2020, 16:54
Replies: 21
Views: 628
Posted By ross
A write to BLTDPT before the wait ;).

A write to BLTDPT before the wait ;).
Forum: Coders. Asm / Hardware 03 February 2020, 16:47
Replies: 21
Views: 628
Posted By ross
Yep, with blitter wait fixed (and Antiriad fix)...

Yep, with blitter wait fixed (and Antiriad fix) the code now works.
Just tested :)
Forum: Coders. Asm / Hardware 03 February 2020, 16:38
Replies: 21
Views: 628
Posted By ross
Just a quick look. Blitter waits are wrong.

Just a quick look.

Blitter waits are wrong.
Forum: Coders. Asm / Hardware 01 February 2020, 22:39
Replies: 30
Views: 1,463
Posted By ross
No, sorry, I'm referring the values/settings you...

No, sorry, I'm referring the values/settings you have used in a real machine for the results in quoted part [DSKSYNC value, drive selection (in case), motor (in case)..]:


Thanks :)
Forum: request.Apps 01 February 2020, 22:16
Replies: 1
Views: 186
Posted By ross
block_checksum.exe name.hdf offset RDSK is...

block_checksum.exe name.hdf offset

RDSK is at offset 0, but you can specify a different one for PART, FSHD, LSEG,..

It use gcc __builtin for my convenience but easy to adapt.

#include...
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