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Forum: Coders. Asm / Hardware Today, 21:20
Replies: 16
Views: 3,877
Posted By ross
Ok, found a possible bug in WinUAE emulation. ...

Ok, found a possible bug in WinUAE emulation.
It arise when HAM8 AND BPLAM>0 AND 64bit sprites used. All works as expected with BPLAM=0.
A strange big shift and gradient effect on bitplanes.
It's...
Forum: Coders. Asm / Hardware Today, 20:01
Replies: 16
Views: 3,877
Posted By ross
Sorry for resurrecting this, but i've to...

Sorry for resurrecting this, but i've to understand.

I'm in the making of an HAM8 effect that require base color starting from an upper bank position (>=32).
After setting BPLAM=64 i've noticed...
Forum: Coders. System Yesterday, 14:53
Replies: 24
Views: 516
Posted By ross
Now you have intrigued me because I do not use...

Now you have intrigued me because I do not use Permit() before rts and it normally works.

If i'm not wrong it's mandatory to do the ReplyMsg() in Forbid() state and exit w/o a Permit() to prevent...
Forum: Coders. Asm / Hardware 09 February 2019, 00:00
Replies: 9
Views: 387
Posted By ross
Yes, i've used it in a non-return ambient. You...

Yes, i've used it in a non-return ambient.
You can simply add:

move.l a5,(a2)
...
moveq #0,d1
movec vbr,d1
...
dc.l $4e7b0801 ;movec d0,vbr
Forum: Coders. Asm / Hardware 08 February 2019, 23:53
Replies: 9
Views: 387
Posted By ross
Hi jotd, see this message...

Hi jotd, see this message http://eab.abime.net/showpost.php?p=1223875&postcount=15
CPUSHA pushes and possibly invalidates selected cache lines (IC=instruction, DC=data, BC=both).
BC works, but if...
Forum: Coders. General 08 February 2019, 13:29
Replies: 15
Views: 2,456
Posted By ross
Like other projects of mine: "paused" :D

Like other projects of mine: "paused" :D
Forum: Coders. Asm / Hardware 08 February 2019, 13:26
Replies: 9
Views: 387
Posted By ross
000~060, all KS start ...

000~060, all KS

start
move.w #$4000,$dff09a
movea.l $4.w,a6
lea super(pc),a5
jsr _LVOSupervisor(a6)
move.w #$c000,$dff09a
rts
Forum: Coders. General 06 February 2019, 22:56
Replies: 6
Views: 205
Posted By ross
:great

:great
Forum: Coders. General 06 February 2019, 22:14
Replies: 6
Views: 205
Posted By ross
Manually edited the header and deleted the last...

Manually edited the header and deleted the last hunk, then used xfdDecrunch.

However you must know how the Amiga's exe are structured.
Then to modify it any hex editor do the job (literally a few...
Forum: Coders. General 06 February 2019, 21:59
Replies: 6
Views: 205
Posted By ross
A simple Power Packer 4.0 file with an added...

A simple Power Packer 4.0 file with an added dummy data hunk at the end ;)
Forum: Coders. Asm / Hardware 06 February 2019, 21:26
Replies: 7
Views: 399
Posted By ross
Well, in this case in fact they would not be...

Well, in this case in fact they would not be adequate instructions, consider that there are those for a single bit (BTST, BCHG, BSET, BCLR), that among other things have the very useful property to...
Forum: Coders. Asm / Hardware 06 February 2019, 20:31
Replies: 7
Views: 399
Posted By ross
Heya Geezer, check the Ocean Loader v2 source for...

Heya Geezer, check the Ocean Loader v2 source for an interesting use case.

I've also used it for quarter pixel scroll bit distribution and in a sine scroll :)
And sure in various 020+ code i've...
Forum: support.WinUAE 03 February 2019, 14:43
Replies: 12
Views: 477
Posted By ross
Nice additions for debugging! Thanks.

Nice additions for debugging!

Thanks.
Forum: Coders. Asm / Hardware 01 February 2019, 15:47
Replies: 22
Views: 4,132
Posted By ross
WinUAE display is more extended, from $5c to $1d3...

WinUAE display is more extended, from $5c to $1d3 included (376 lores pixels) and is blanked before and after (so no $58 background color visible).
Your values seems to be shifted by 4 pixels...
Forum: Coders. Releases 01 February 2019, 13:47
Replies: 5
Views: 311
Posted By ross
:great Where you got the unpacker? ...

:great


Where you got the unpacker?
There is somewhere on board a very fast routine available.


What are the values on average for the leeway?
Forum: Coders. Asm / Hardware 01 February 2019, 12:05
Replies: 22
Views: 4,132
Posted By ross
This is interesting. Toni confirmed in an old...

This is interesting.
Toni confirmed in an old message that first pixel is visible with DIWSTRT(<)=$5C for ECS and AGA, apart some early A1000 where DIWSTRT can be $60. So in WinUAE.


Yes, I set...
Forum: Coders. Asm / Hardware 31 January 2019, 19:19
Replies: 22
Views: 4,132
Posted By ross
Hi Toni and dissident, i've to better understand...

Hi Toni and dissident, i've to better understand the upper sentence...

My first DIWSTRT position for a full left overscan is value $5c, that correspond to a x sprite position = $5b.
Or are you...
Forum: Coders. System 31 January 2019, 17:43
Replies: 5
Views: 270
Posted By ross
Yes, zeroed only in KS2+. :great

Yes, zeroed only in KS2+.
:great
Forum: Coders. System 31 January 2019, 16:10
Replies: 5
Views: 270
Posted By ross
Yes, common practice in different exe-packers and...

Yes, common practice in different exe-packers and exe-tampered to save some bytes.
Works in every existing kickstart so far. So definitely a "feature" that will be maintained for compatibility in...
Forum: Coders. General 28 January 2019, 19:10
Replies: 18
Views: 814
Posted By ross
Why DMA unrelated? With fetchmode x4 the DMA...

Why DMA unrelated?
With fetchmode x4 the DMA slots are all 64bits wide back-to-back, so you saving 6 chip ram CPU/Blitter acces/line vs 128 colors.
Forum: OT - General 28 January 2019, 18:58
Replies: 83
Views: 2,413
Posted By ross
You took the wrong train, you had to take this: ...

You took the wrong train, you had to take this:
https://www.trenitalia.com/cms-file/immagini/trenitalia-img/le-frecce/416x359/416x359_FrecciaRossa-500.jpg

:p
Forum: OT - General 28 January 2019, 17:49
Replies: 83
Views: 2,413
Posted By ross
The off topic.

The off topic.
Forum: Coders. Contest 27 January 2019, 22:42
Replies: 699
Views: 42,203
Posted By ross
Absolutely awesome :)

Absolutely awesome :)
Forum: support.WinUAE 27 January 2019, 17:53
Replies: 15
Views: 3,107
Posted By ross
Hi Toni, all ok.. if you fix the download link :)...

Hi Toni, all ok.. if you fix the download link :)
I've manually changed it and works.

EDIT: ok! :great
Forum: support.WinUAE 26 January 2019, 21:18
Replies: 41
Views: 3,321
Posted By ross
Thanks Toni. :)

Thanks Toni.
:)
Forum: support.WinUAE 26 January 2019, 21:17
Replies: 6
Views: 291
Posted By ross
Not before a replacement is made, please. I...

Not before a replacement is made, please.

I know that is unsupported and use the CLI version mostly.
But GUI version is of great aid when I need a fast view of various memory zones or setting...
Forum: support.WinUAE 26 January 2019, 19:08
Replies: 41
Views: 3,321
Posted By ross
Hi Toni, this code: ...

Hi Toni, this code:
lea (-(giro*8+tilepx).w,a3,d0.w*8),a2
move.w (a3,d0.w*2),d1
lea (a0,d1.w),a5

assemble to:
>d 6609ca
006609CA 45f3 0720 f3f0 LEA.L ($fffff3f0,A3,D0.W*8) ==...
Forum: OT - General 26 January 2019, 13:20
Replies: 83
Views: 2,413
Posted By ross
:D ...

:D

http://www.ansa.it/canale_motori/notizie/attualita/2019/01/25/vendite-2018-per-liconica-fiat-500-ancora-record-in-europa_61159d10-5698-496f-ad66-08b40bc6f6a3.html

Fiat 500: sales record in...
Forum: support.Games 26 January 2019, 12:59
Replies: 10
Views: 511
Posted By ross
:great

:great
Forum: Coders. System 26 January 2019, 00:05
Replies: 25
Views: 806
Posted By ross
Protect from a task switch when the memory is...

Protect from a task switch when the memory is freed but jmp not still happened.
EDIT: mmh, you can be right :)

And sure you know, but:

Start-8 hunk_size (in bytes) from this very same location...
Forum: Coders. System 25 January 2019, 23:33
Replies: 25
Views: 806
Posted By ross
To avoiding overlay, that can be a bit...

To avoiding overlay, that can be a bit complicated, you can:

[Natural exe header + one hunk] -> load and mem alloc by LoadSeg()
1st_hunk:
- little stub that handle segList and...
Forum: Coders. System 25 January 2019, 12:16
Replies: 25
Views: 806
Posted By ross
So not a self unpacking exe, but a loader for a...

So not a self unpacking exe, but a loader for a your new form of (packed, scattered) hunk file.
This seems not difficult.
Read the header and AlloMem() as required + some byte as safety value for...
Forum: Coders. System 24 January 2019, 20:55
Replies: 25
Views: 806
Posted By ross
Hi kaffer this is not clear to me. Why do you...

Hi kaffer this is not clear to me. Why do you need twice the exe memory?
Decompression in place is not supported by your unpacker? Or a very big reloc. table?
Forum: OT - General 24 January 2019, 18:18
Replies: 83
Views: 2,413
Posted By ross
During my National service, I used a Beretta 92...

During my National service, I used a Beretta 92 (Parabellum), the assault rifle Beretta SC/70, and a submachine gun Beretta P12/s.

I participated in NATO exercises during the (1st) Gulf War.
So I...
Forum: OT - General 24 January 2019, 11:32
Replies: 83
Views: 2,413
Posted By ross
Just to be clear. I absolutely don't defend FIAT,...

Just to be clear. I absolutely don't defend FIAT, probably no-one even in Italy :p.
They made some really disastrous models, but among the many there are also absolute goodies.
And in Italy we know...
Forum: OT - General 24 January 2019, 02:19
Replies: 83
Views: 2,413
Posted By ross
ahah, cruel :) Works also in Italian: ...

ahah, cruel :)

Works also in Italian:
"Ferraglia Italiana Abbandonata in Tunisia"




So I was lucky ;)
Even now between my family fleet i've a FIAT (12 years old and 120000KM), never in...
Forum: Coders. Asm / Hardware 24 January 2019, 01:36
Replies: 20
Views: 1,008
Posted By ross
Probably I've used an inappropriate word. I...

Probably I've used an inappropriate word.
I simply meant that the COPJMP strobe is done in copper list and not by CPU (like roondar has already clarified).
This is a sneaky bug because it depends...
Forum: Coders. Asm / Hardware 23 January 2019, 21:44
Replies: 20
Views: 1,008
Posted By ross
This is another reason why I defer the COPJMP...

This is another reason why I defer the COPJMP write through copper list itself.

Thanks Toni for reminding us of this thing.
Forum: OT - General 23 January 2019, 21:34
Replies: 83
Views: 2,413
Posted By ross
Just a bit of seriousness: in fact the problem of...

Just a bit of seriousness: in fact the problem of FIAT is the bodywork, the engine cannot be destroyed!
Never ever problems with the engine in any, only something to the electrical system.
I had a...
Forum: OT - General 23 January 2019, 21:22
Replies: 83
Views: 2,413
Posted By ross
FIX IT AGAIN TONY? ...

FIX IT AGAIN TONY?
https://www.youtube.com/watch?v=1csBgZ2zdIE

:D
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