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Forum: Coders. Asm / Hardware 18 September 2018, 22:31
Replies: 3
Views: 138
Posted By grond
And CLZ is available on 020+ as BFFFO.

And CLZ is available on 020+ as BFFFO.
Forum: Amiga scene 13 September 2018, 13:07
Replies: 56
Views: 5,752
Posted By grond
Wow, impressive! It sounds very much like an 80s...

Wow, impressive! It sounds very much like an 80s drum computer!

EDIT: I particularly like the use of the guitar distortion. With my Les Paul and my whawha I found that if I put the tone knob on...
Forum: Amiga scene 13 September 2018, 09:15
Replies: 56
Views: 5,752
Posted By grond
Magnificent! But honestly, does the snare drum...

Magnificent! But honestly, does the snare drum sound really come from drumming on the banjo head?
Forum: Coders. Asm / Hardware 11 September 2018, 17:36
Replies: 499
Views: 13,789
Posted By grond
If you really want data on binary sizes, have a...

If you really want data on binary sizes, have a look at old linux distributions that were available for m68k and i386. Just pick a good sample of packages that include mostly executable code and have...
Forum: Coders. Asm / Hardware 07 September 2018, 16:42
Replies: 499
Views: 13,789
Posted By grond
Comparing the x86 and 68k ISAs is a pretty easy...

Comparing the x86 and 68k ISAs is a pretty easy job. The 68k Instruction Set Architecture is like a nice house with four bedrooms, two bathrooms and a garage for two cars. The x86 Instruction Set...
Forum: Amiga scene 26 August 2018, 16:02
Replies: 41
Views: 2,675
Posted By grond
Not as an engineer, though, but rather as a...

Not as an engineer, though, but rather as a coffee boy.
Forum: Coders. Asm / Hardware 24 August 2018, 17:17
Replies: 499
Views: 13,789
Posted By grond
You are as rude as you are ignorant. ...

You are as rude as you are ignorant.




Have you ever had a look at the clock cycles this takes on the 68000?

JSR (An) -- 16c
JSR $xxxx.w -- 18c
JSR $xxxxxxxx.l -- 20c
Forum: Coders. General 24 August 2018, 16:52
Replies: 117
Views: 6,349
Posted By grond
Not sure anyone has mentioned it yet: you can...

Not sure anyone has mentioned it yet: you can define a bounding box for all your objects, project that onto the screen and determine the (word-aligned) regions where the updated bounding box and the...
Forum: Coders. Asm / Hardware 23 August 2018, 16:22
Replies: 499
Views: 13,789
Posted By grond
It cannot work like this in such a simple and...

It cannot work like this in such a simple and small design. If you made the fetching of N-word instructions faster because for N-1 of the fetch cycles there is nothing left to execute, you would have...
Forum: Coders. Asm / Hardware 23 August 2018, 14:35
Replies: 499
Views: 13,789
Posted By grond
But you still ignore that making the bus access...

But you still ignore that making the bus access faster wouldn't have made the processor any faster. The fetched data would just have waited longer until it is used. So to achieve this non-effect you...
Forum: Coders. Asm / Hardware 23 August 2018, 13:00
Replies: 499
Views: 13,789
Posted By grond
I think you are grossly overestimating the state...

I think you are grossly overestimating the state of technology at the time the 68000 was designed. It is a miracle and a work of art for its time. Your thoughts about the memory interface show that...
Forum: Amiga scene 23 August 2018, 12:38
Replies: 112
Views: 5,727
Posted By grond
Dynamics (sadly) don't count in contemporary...

Dynamics (sadly) don't count in contemporary music... :P




Yes, it's not that I'd disagree about the specific properties of Paula. If computer-generated music were my kind of music, I'd...
Forum: Coders. Asm / Hardware 23 August 2018, 08:25
Replies: 499
Views: 13,789
Posted By grond
What should the 68000 have achieved with a faster...

What should the 68000 have achieved with a faster mem interface? The 68000 is fully synchronous. If the mem interface had been twice as fast, the CPU would have had to be clocked at 16 MHz which was...
Forum: Amiga scene 23 August 2018, 08:09
Replies: 112
Views: 5,727
Posted By grond
Yes, just like flutes: just one voice and one...

Yes, just like flutes: just one voice and one sound. So incredibly limited. How could Mozart write entire concerts for flutes? :spin

No, seriously, Paula is a musical instrument. Use it/her if you...
Forum: Coders. Asm / Hardware 20 August 2018, 13:27
Replies: 499
Views: 13,789
Posted By grond
Yes, I know and agree for the most part....

Yes, I know and agree for the most part. Nonetheless it is interesting to see. I think that the Amiga was superior to the PC until the advent of the 386. And many aspects of the PC continued to be...
Forum: Amiga scene 20 August 2018, 11:25
Replies: 146
Views: 11,052
Posted By grond
You need a 5€ USB blaster to flash an older core....

You need a 5€ USB blaster to flash an older core. This works even when the Vampire is bricked.
Forum: Coders. Asm / Hardware 20 August 2018, 08:56
Replies: 499
Views: 13,789
Posted By grond
How ironic to think how expensive "serious"...

How ironic to think how expensive "serious" computers like the "IBM compatible" were compared to "toy computers" such as the Amiga and Atari...

One thing I would like to mention: there is a reason...
Forum: Amiga scene 20 August 2018, 08:43
Replies: 146
Views: 11,052
Posted By grond
"Black Editions" should require it less than...

"Black Editions" should require it less than normal ones. However, the fix is recommended for all kipper2k and early majsta cards.
Forum: Amiga scene 14 August 2018, 22:30
Replies: 112
Views: 5,727
Posted By grond
I certainly stressed the majority for a few years...

I certainly stressed the majority for a few years telling them how much better the Amiga was... :D
Forum: Coders. General 14 August 2018, 15:12
Replies: 117
Views: 6,349
Posted By grond
A 32bit move to chipmem will take two mem cycles...

A 32bit move to chipmem will take two mem cycles for OCS and A600 which only have a 16bit chipmem bus.
Forum: Amiga scene 14 August 2018, 15:09
Replies: 9
Views: 508
Posted By grond
Denise is one hot gal...

Denise is one hot gal...
Forum: Coders. General 12 August 2018, 08:06
Replies: 117
Views: 6,349
Posted By grond
I wrote and tested the code on an 030 and it...

I wrote and tested the code on an 030 and it worked fast and reliably. I never kill the OS in my code, why should I? I believe those few percents lost to the OS still running can be gained more...
Forum: Coders. General 11 August 2018, 22:02
Replies: 117
Views: 6,349
Posted By grond
No and no. The 010 has a loop cache of 6 bytes...

No and no. The 010 has a loop cache of 6 bytes which can only hold a short instruction and a decrement-and-branch instruction. There is no practical way to mess this up with SMC. And disabling the...
Forum: Amiga scene 10 August 2018, 21:46
Replies: 146
Views: 11,052
Posted By grond
It is not wrong. The PCT is a way of applying for...

It is not wrong. The PCT is a way of applying for a patent for the same invention in another legislation. This patent application will be examined like any other local patent application. It is...
Forum: Amiga scene 10 August 2018, 20:42
Replies: 146
Views: 11,052
Posted By grond
@nexus: I'm a patent attorney by profession.

@nexus: I'm a patent attorney by profession.
Forum: Coders. General 10 August 2018, 11:16
Replies: 117
Views: 6,349
Posted By grond
You can also use spheric coordinates for the...

You can also use spheric coordinates for the objects and then do a simple scaling using LUTs.
Forum: Coders. General 10 August 2018, 10:59
Replies: 117
Views: 6,349
Posted By grond
Rather 020+ but disabling caches would be nuts...

Rather 020+ but disabling caches would be nuts anyway. Just flush the caches after self-modifying the code. There are even OS functions readily available for this purpose.
Forum: Coders. General 10 August 2018, 08:12
Replies: 117
Views: 6,349
Posted By grond
If you really want to do vector multiplications,...

If you really want to do vector multiplications, you'll run out of registers. Hence, use MULs with constants for the camera vectors (like MULS.w #cam,Dn) and replace the dummy value with your updated...
Forum: Amiga scene 10 August 2018, 08:03
Replies: 146
Views: 11,052
Posted By grond
US patents cannot be enforced in Europe. Please...

US patents cannot be enforced in Europe. Please start your own thread about this topic. The fact remains that several people have shown MacOS 8.1 running on a Vampire with Gold 2.10. Your "bug...
Forum: Coders. General 09 August 2018, 19:31
Replies: 117
Views: 6,349
Posted By grond
MULs and DIVs can be replaced by ADDs and SUBs if...

MULs and DIVs can be replaced by ADDs and SUBs if you do log() and exp() on them via LUTs. With the relatively low precision required for low screen resolutions and low polygon objects, the tables...
Forum: Amiga scene 09 August 2018, 19:20
Replies: 112
Views: 5,727
Posted By grond
@kolla: in a economically functional ecosystem,...

@kolla: in a economically functional ecosystem, AmigaOS could have evolved easily. E.g. they could have added a new type of executable that would have run in a memory protected chunk of RAM where the...
Forum: Amiga scene 09 August 2018, 17:14
Replies: 112
Views: 5,727
Posted By grond
What still blows my mind is how good the...

What still blows my mind is how good the operating system was and how little the Amiga was recognised for this. It could easily have evolved into an OS still usable today for today's tasks.
Forum: Amiga scene 08 August 2018, 22:32
Replies: 146
Views: 11,052
Posted By grond
How about you open your own thread to advertise...

How about you open your own thread to advertise the fpgaarcade stuff?
Forum: Amiga scene 08 August 2018, 20:13
Replies: 146
Views: 11,052
Posted By grond
Imprisonment. Yeah, sure...

Imprisonment. Yeah, sure...
Forum: Amiga scene 08 August 2018, 10:29
Replies: 146
Views: 11,052
Posted By grond
@kolla: I'm not sure. The V4 will be available as...

@kolla: I'm not sure. The V4 will be available as a stand-alone putting it into a pretty similar market segment. Even more so since the 080 is fast enough for running emulators of several other...
Forum: Amiga scene 08 August 2018, 09:48
Replies: 146
Views: 11,052
Posted By grond
So this has only been a FUD-attack on a strong...

So this has only been a FUD-attack on a strong competitor to the FPGArcade?
Forum: Amiga scene 07 August 2018, 21:16
Replies: 146
Views: 11,052
Posted By grond
Better be quick, the V4 is in testing and will...

Better be quick, the V4 is in testing and will leave the most overclocked 060 trailing behind...
Forum: Amiga scene 30 July 2018, 22:43
Replies: 146
Views: 11,052
Posted By grond
@kolla: So now with the updated library you...

@kolla:

So now with the updated library you can use the Vampire FPU without side effects?
Forum: Nostalgia & memories 29 July 2018, 09:57
Replies: 147
Views: 6,734
Posted By grond
I very much doubt the Amiga was used for "Black...

I very much doubt the Amiga was used for "Black or White". But an earlier Michael Jackson video was almost certainly done with the Amiga: "Leave Me Alone" (same artist and technology as Paul Simon's...
Forum: support.Hardware 11 July 2018, 17:30
Replies: 26
Views: 794
Posted By grond
I bought at least half a dozen different CFs to...

I bought at least half a dozen different CFs to try and have only two that work in the PCMCIA slot. One has 256MB capacity and the other is a fairly recent 4GB CF. With the latter I did not feel the...
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