Forum: support.Other
Yesterday, 16:18
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Replies: 176
Views: 26,788
Great that you found it - I was too late in...
Great that you found it - I was too late in responding. The reason for the jerkiness is that the FPU emulation is compute-intensive and operates entirely in the exception processing of the CPU which...
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Forum: Coders. Asm / Hardware
21 April 2024, 19:06
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Replies: 91
Views: 5,614
So what do you suggest? Let old applications...
So what do you suggest? Let old applications crash or render nothing on high-color screens? Or let applications crash because they don't satisfy new alignment constraints we're making up 30 years...
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Forum: support.Other
21 April 2024, 19:02
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Replies: 676
Views: 185,168
Thanks - though now the performance is down the...
Thanks - though now the performance is down the drain. This was only a test to understand where the problems are coming from, and my suspicion was apparently correct. We can play a little bit with...
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Forum: Coders. Asm / Hardware
21 April 2024, 12:53
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Replies: 91
Views: 5,614
It uses a color-lookup or inverse color-lookup....
It uses a color-lookup or inverse color-lookup. Thus, blitting indexed to direct color causes a lookup into the color map (which still exists in the true color view port) and substitutes each index...
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Forum: Coders. Asm / Hardware
21 April 2024, 11:19
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Replies: 91
Views: 5,614
The specs are not incomplete. Implementing...
The specs are not incomplete. Implementing something that expects more than what the specs demand is just an interface violation - quite simple. Just because it makes some algorithms "inconvenient"...
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Forum: support.Other
21 April 2024, 10:39
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Replies: 176
Views: 26,788
Yes.
They are expected to work, and...
Yes.
They are expected to work, and actually did work on my end as far as I remember. Ensure that there are no other "software improvements" patching the CPU exception vectors. In case of...
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Forum: Coders. Asm / Hardware
21 April 2024, 10:33
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Replies: 91
Views: 5,614
P96 migrates bitplanes to graphics RAM if...
P96 migrates bitplanes to graphics RAM if possible. Consider a case where a user created a bitmap in video mode A and wants to blit the result to a window in video mode B. There is absolutely...
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Forum: Coders. Asm / Hardware
21 April 2024, 10:26
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Replies: 91
Views: 5,614
If the source bitmap is chunky, and you call...
If the source bitmap is chunky, and you call BltBitMap() to a planar destination bitmap, then that is transparently converted, of course. Also vice versa, blitting a planar bitmap into a chunky...
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Forum: Coders. Asm / Hardware
20 April 2024, 22:56
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Replies: 91
Views: 5,614
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Forum: support.Other
20 April 2024, 22:53
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Replies: 676
Views: 185,168
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Forum: Coders. Asm / Hardware
20 April 2024, 20:27
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Replies: 91
Views: 5,614
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Forum: support.Other
20 April 2024, 20:24
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Replies: 676
Views: 185,168
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Forum: support.Other
20 April 2024, 19:34
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Replies: 676
Views: 185,168
Thanks, which mode is this, and does it help to...
Thanks, which mode is this, and does it help to disable the blitter? The timing of the FPGA is really quite tight, and if the blitter and the CPU hog the bus to the video memory, it can happen that...
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Forum: Coders. Asm / Hardware
20 April 2024, 19:28
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Replies: 91
Views: 5,614
Not visible here. a4 is the "write data with...
Not visible here. a4 is the "write data with mask" function, and a6 is the end-of-line pointer to which a2 is compared.
Look, I'm not using this code anyhow, so this does not make much...
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Forum: Coders. Asm / Hardware
20 April 2024, 16:21
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Replies: 91
Views: 5,614
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Forum: Coders. Asm / Hardware
20 April 2024, 13:57
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Replies: 91
Views: 5,614
The thread slightly derailed from the original...
The thread slightly derailed from the original question, which is for me no longer relevant as solved the issue in a different way as mulu is simply too complex on the 68030 to provide competitive...
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Forum: support.Other
20 April 2024, 13:39
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Replies: 676
Views: 185,168
Sorry, unclear what you mean by "horizontal...
Sorry, unclear what you mean by "horizontal banding", a picture would be helpful. Note that you can always adjust the modes manually - some of the modes unfortunately have to use an excessively large...
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Forum: Amiga scene
19 April 2024, 16:36
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Replies: 3,799
Views: 507,900
The bare bone ET4000 (without W32) does not...
The bare bone ET4000 (without W32) does not really have much to offer in terms of accelerator, though it has a very fast ISA bridge which gave it a market advantage. Probably the only feature it has...
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Forum: Amiga scene
19 April 2024, 07:39
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Replies: 3,799
Views: 507,900
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Forum: Amiga scene
18 April 2024, 22:19
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Replies: 3,799
Views: 507,900
Not really, but I haven't purchased a PC...
Not really, but I haven't purchased a PC recently. Actually, I do not even own a desktop or tower these days. It's laptops now, and I'm writing this on a mobile workstation that is more powerful than...
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Forum: Amiga scene
18 April 2024, 12:07
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Replies: 3,799
Views: 507,900
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Forum: Amiga scene
18 April 2024, 11:55
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Replies: 3,799
Views: 507,900
No, but does AGA offer hardware overlays,...
No, but does AGA offer hardware overlays, true-color and 3D acceleration?
Fact is, it's a horse of a different color. The reason why standard hardware evolved as it did is that the use cases...
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Forum: Amiga scene
14 April 2024, 23:12
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Replies: 63
Views: 5,909
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Forum: Coders. System
14 April 2024, 23:06
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Replies: 5
Views: 1,000
A very valid question. Given that the NDK was...
A very valid question. Given that the NDK was uploaded to Aminet, it seems plausible that you can, though to be super sure, I would send a friendly email to the uploader email address found in...
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Forum: Amiga scene
14 April 2024, 10:29
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Replies: 3,799
Views: 507,900
In case you do not understand the difference:...
In case you do not understand the difference: With OpenGL or DirectX, you get an API layer to create graphics, a piece of software running on the host machine. With TIGA, you don't. You get a...
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Forum: Amiga scene
14 April 2024, 00:20
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Replies: 3,799
Views: 507,900
TIGA is for "TI Graphics Adapter", and yes, it...
TIGA is for "TI Graphics Adapter", and yes, it comes with a standard API, and a standard set of graphics primitives in the form of a software library. But the library runs on the TMS chip and not...
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Forum: Amiga scene
13 April 2024, 20:11
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Replies: 3,799
Views: 507,900
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Forum: Amiga scene
13 April 2024, 16:16
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Replies: 63
Views: 5,909
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Forum: Amiga scene
13 April 2024, 15:27
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Replies: 63
Views: 5,909
...and it astonishes me that you believe that...
...and it astonishes me that you believe that Cloanto is a viable alternative. "Genuine love"... *cough*. Let's put things around a little bit for the matter of an argument: Cloanto is selling the...
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Forum: support.Apps
12 April 2024, 16:34
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Replies: 89
Views: 4,855
Well, there are regions some board designers...
Well, there are regions some board designers considered to be cachable - that is more appropriate. The trouble is that even the large 2MB areas are not cachable if they represent video RAM of a card...
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Forum: support.Apps
12 April 2024, 14:08
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Replies: 89
Views: 4,855
Not that I know of. The register mapping of the...
Not that I know of. The register mapping of the CV3D is rather unorthogonal and depends on whether the card is operating in Z2 or Z3 space (or even in PCI space), but the blitter(accelerator) control...
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Forum: support.Apps
11 April 2024, 18:47
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Replies: 89
Views: 4,855
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Forum: support.Apps
10 April 2024, 17:46
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Replies: 89
Views: 4,855
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Forum: support.Apps
10 April 2024, 17:37
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Replies: 89
Views: 4,855
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Forum: support.Apps
10 April 2024, 16:49
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Replies: 89
Views: 4,855
The mmulib uses early termination on the 68030...
The mmulib uses early termination on the 68030 and below whenever possible. Actually, early termination does not buy you anything in terms of "amount of lookups" needed - each entry in the ATC cache...
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Forum: support.Apps
10 April 2024, 16:18
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Replies: 89
Views: 4,855
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Forum: support.Apps
10 April 2024, 14:57
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Replies: 89
Views: 4,855
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Forum: support.WinUAE
10 April 2024, 14:05
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Replies: 4
Views: 500
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Forum: support.Apps
10 April 2024, 11:28
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Replies: 89
Views: 4,855
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Forum: Amiga scene
10 April 2024, 09:32
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Replies: 3,799
Views: 507,900
Just adding to that: Actually, CBM took great...
Just adding to that: Actually, CBM took great care to *keep* programs working in 2.0. Intuition and graphics is full of workaround code to keep some old code working - where hacks were used...
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