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Forum: Amiga scene Today, 11:04
Replies: 982
Views: 58,915
Posted By grond
The A1200 came out in 1992 :)

The A1200 came out in 1992 :)
Forum: Amiga scene Today, 10:47
Replies: 198
Views: 4,095
Posted By grond
I also :shocked at that. And at the same time he...

I also :shocked at that. And at the same time he tries to take the moral high ground by alledging you of having uprated your game and downrated your competition because, after all, horizontal...
Forum: Amiga scene Yesterday, 13:45
Replies: 198
Views: 4,095
Posted By grond
Perhaps there should be a poll about how adequate...

Perhaps there should be a poll about how adequate people find it if somebody calls a review "totally bias and a crock of shite", alleges a game author of favourably reviewing his own game and marking...
Forum: Amiga scene 16 January 2020, 11:58
Replies: 20
Views: 1,298
Posted By grond
Does the "last game..." category make all that...

Does the "last game..." category make all that much sense? I'm pretty sure one could find some late mini game that uses very little memory...
Forum: Coders. Asm / Hardware 11 January 2020, 10:08
Replies: 35
Views: 880
Posted By grond
Ah, OK, you are only trolling.

Ah, OK, you are only trolling.
Forum: Coders. Asm / Hardware 10 January 2020, 23:03
Replies: 35
Views: 880
Posted By grond
Why would this not be the right forum category?

Why would this not be the right forum category?
Forum: Coders. Asm / Hardware 10 January 2020, 23:02
Replies: 35
Views: 880
Posted By grond
On AmigaOS you can run MacOS as a task in AmigaOS...

On AmigaOS you can run MacOS as a task in AmigaOS (it's called Shapeshifter) while AmigaOS is happily multitasking. Then in MacOS you can e.g. run DukeNukem3D and still switch to any other screen...
Forum: Coders. Asm / Hardware 10 January 2020, 16:09
Replies: 35
Views: 880
Posted By grond
The Vampire can use the copper on chunky displays...

The Vampire can use the copper on chunky displays and it can display both a planar and a chunky screen at the same time. Better ask Gunnar for details.

But the copper doesn't do playfields, all it...
Forum: Coders. Asm / Hardware 10 January 2020, 16:03
Replies: 35
Views: 880
Posted By grond
You keep forgetting that the Amiga is not a games...

You keep forgetting that the Amiga is not a games console but a personal computer, more specifically a multitasking computer. This means that you may want to run many productivity programs at the...
Forum: Coders. Asm / Hardware 09 January 2020, 10:55
Replies: 35
Views: 880
Posted By grond
VladR: join the #apollo-team IRC on freenode....

VladR: join the #apollo-team IRC on freenode. Flype1200 has everything you are asking for, e.g. simple chunky graphics code doing a plasma or fire effect.

Btw, the cybergraphx C examples not...
Forum: Amiga scene 02 January 2020, 22:35
Replies: 54
Views: 2,998
Posted By grond
Perhaps back in the day companies should have...

Perhaps back in the day companies should have released "cracked"versions of their games under some pseudo to warez sites that show buggy behaviour late in the game or can't be completed to keep the...
Forum: Amiga scene 02 January 2020, 18:26
Replies: 54
Views: 2,998
Posted By grond
The real question to be asked is: did the fact...

The real question to be asked is: did the fact that everybody had a copy that had some overlooked protection still in place but everybody thought was completely cracked actually improve sales of the...
Forum: Amiga scene 02 January 2020, 13:09
Replies: 54
Views: 2,998
Posted By grond
I think "Pirates!" had a good copy protection. At...

I think "Pirates!" had a good copy protection. At the beginning of the game you have to answer a question about when the Silver Train or the Treasure Fleet will arrive at a specific place. If you...
Forum: support.Hardware 29 December 2019, 09:46
Replies: 10
Views: 911
Posted By grond
False rumours. The backport of AGA from V4 to V2...

False rumours. The backport of AGA from V4 to V2 has been confirmed recently in a comment of Gunnar's on the Apollo forum.
Forum: Amiga scene 28 December 2019, 18:59
Replies: 407
Views: 37,854
Posted By grond
I think maximum possible pixel clock is 75 MHz...

I think maximum possible pixel clock is 75 MHz which already may be too high for some cards. The lower you can get a stable picture, the better.
Forum: Amiga scene 28 December 2019, 18:03
Replies: 407
Views: 37,854
Posted By grond
25 and 30 Hz. I think I already mentioned that...

25 and 30 Hz. I think I already mentioned that mine is a small Techwood TV. It seems to be very tolerant.
Forum: Amiga scene 28 December 2019, 17:31
Replies: 407
Views: 37,854
Posted By grond
Hi, Martin, yes, it is not as simple as the...

Hi, Martin,

yes, it is not as simple as the C64-in-a-joystick, it is an Amiga with all the problems that Amigas may have and some more on top because it is not finished yet. Mine now does 1280x720...
Forum: Amiga scene 24 December 2019, 16:58
Replies: 407
Views: 37,854
Posted By grond
I think the P96 screenmodes just need a little...

I think the P96 screenmodes just need a little adjusting. Usually setting the pixclock a little higher or lower will do the trick.
Forum: Amiga scene 24 December 2019, 16:05
Replies: 407
Views: 37,854
Posted By grond
They don't work? That is a surprise. I didn't...

They don't work? That is a surprise. I didn't find mine and stopped searching when I found a USB-mouse that worked but my db9-joystick works just fine with the V4 so I would have thought so would a...
Forum: Amiga scene 24 December 2019, 11:22
Replies: 407
Views: 37,854
Posted By grond
@MartinW: that is quite a bit of bad luck. Of my...

@MartinW: that is quite a bit of bad luck. Of my mice the majority worked just fine. I have always preferred the very simple type, just two buttons and a scroll wheel which may be the reason why I...
Forum: Coders. General 20 December 2019, 14:58
Replies: 153
Views: 17,088
Posted By grond
The V4 stand-alone is available right now through...

The V4 stand-alone is available right now through apollo-core.com.
I have one of them on my desk. It's a pretty neat system and getting better every day.




I think the best option would be to...
Forum: Coders. General 20 December 2019, 10:19
Replies: 153
Views: 17,088
Posted By grond
Yes, the 68080 is a full 64 bit CPU and also...

Yes, the 68080 is a full 64 bit CPU and also supports 3-operand address modes. It also has a SIMD-unit called AMMX which borrows instructions from Intel's MMx but has all the powerful 68k EA modes.
...
Forum: Coders. General 19 December 2019, 17:37
Replies: 153
Views: 17,088
Posted By grond
The 080 CPU allows 64 bit mem accesses while the...

The 080 CPU allows 64 bit mem accesses while the blitter does only 16 bit. Since the blitter and CPU memory accesses are serialised in the V4 due to long mem bursts, the blitter always loses when...
Forum: News 17 December 2019, 11:37
Replies: 8
Views: 1,639
Posted By grond
It is raw video material that was filmed through...

It is raw video material that was filmed through the film camera's eyepiece for quick inspection before the film was developed. This is (technically low quality) collector's material and in no way...
Forum: Coders. Asm / Hardware 09 December 2019, 15:13
Replies: 18
Views: 761
Posted By grond
The non-LUT code can be shortened and sped up...

The non-LUT code can be shortened and sped up quite a bit:



move.w #%1010110011010101,d0
moveq #0,d1

add.w d0,d0
addx.w d1,d1
REPT 7
Forum: News 06 December 2019, 12:10
Replies: 3
Views: 1,019
Posted By grond
Dave Haynie on FPGAs

Interesting article from one of the Amiga hardware gods:

https://www.quora.com/Does-FPGA-get-rid-of-the-hardware-software-distinction/answer/Dave-Haynie
Forum: Coders. General 28 November 2019, 16:32
Replies: 9
Views: 617
Posted By grond
I'm pretty sure the HNY96 virus was first...

I'm pretty sure the HNY96 virus was first distributed at The Party 5 in Denkmark where I got it from some guys who wanted to copy some floppy disks on my computer (I was too tired to wonder why the...
Forum: Amiga scene 27 November 2019, 11:37
Replies: 407
Views: 37,854
Posted By grond
The hater comments are entertaining, too. E.g....

The hater comments are entertaining, too. E.g. this "ChuckyGang" character not understanding that Doom on the V4 was running in AGA (including all the c2p and copying from fastmem to (equally fast)...
Forum: Amiga scene 17 November 2019, 12:23
Replies: 35
Views: 3,011
Posted By grond
Again?

Again?
Forum: Coders. Asm / Hardware 13 November 2019, 13:05
Replies: 12
Views: 676
Posted By grond
Interesting! How did you test that?

Interesting! How did you test that?
Forum: Coders. Asm / Hardware 13 November 2019, 11:33
Replies: 12
Views: 676
Posted By grond
What value will end up in A7 in your example? The...

What value will end up in A7 in your example? The post-incremented old stack pointer, the post-incremented new stack pointer or the non-incremented new stack pointer? And is that really the same as...
Forum: Coders. Asm / Hardware 12 November 2019, 13:44
Replies: 12
Views: 676
Posted By grond
Why should it not be valid? What do you do with...

Why should it not be valid? What do you do with the old SP you get in An when you need An for other purposes? You push it on the new stack. Unless I misunderstand the UNLK instruction, you can read...
Forum: Coders. General 11 November 2019, 14:43
Replies: 274
Views: 11,447
Posted By grond
I assume the base vectors still cripple away with...

I assume the base vectors still cripple away with this approach, i.e. become skewed? If so, I think you could always recalculate the third base vector from the renormalised first two and change on...
Forum: Coders. General 11 November 2019, 11:07
Replies: 28
Views: 1,378
Posted By grond
Aw, damn... ;)

Aw, damn... ;)
Forum: Coders. General 11 November 2019, 11:06
Replies: 28
Views: 1,378
Posted By grond
I have 68k code for an integer sin/cos Taylor...

I have 68k code for an integer sin/cos Taylor approximation with a maximum error of something like 0.5% somewhere. It uses four MULs, IIRC and might be 020+ only, I don't remember, I never coded for...
Forum: Coders. General 11 November 2019, 10:43
Replies: 28
Views: 1,378
Posted By grond
Your player runs around in all possible...

Your player runs around in all possible directions. If the player runs within say 1% of a rectangular angle (i.e. almost aligned with either the x or y axes) just reset him to exactly x or y aligned...
Forum: Coders. General 10 November 2019, 09:08
Replies: 28
Views: 1,378
Posted By grond
In a Doom-type game you could just reset the...

In a Doom-type game you could just reset the vectors each time the player view more or less aligns with one of the base vectors. Who would notice, when turning around, that one turn had a slightly...
Forum: Coders. Asm / Hardware 06 November 2019, 14:44
Replies: 18
Views: 904
Posted By grond
Why do you want to consider the distance? ...

Why do you want to consider the distance?

You could do a dx/dy and then use the result to look up suitable DeltaX and DeltaY from a small table.
Forum: Coders. Asm / Hardware 04 November 2019, 20:39
Replies: 29
Views: 1,463
Posted By grond
In order to do burst accesses, I guess one would...

In order to do burst accesses, I guess one would want 16 bytes aligned addresses similar to the 040's move16 instruction?
Forum: Coders. Asm / Hardware 04 November 2019, 18:44
Replies: 29
Views: 1,463
Posted By grond
Interesting! Thanks for the explanation. Do you...

Interesting! Thanks for the explanation. Do you also happen to know how the 030 will treat filling a dcache line for an uncached fastmem address?

Edited to add: is the 020 equal to the 030 with...
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