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Forum: support.Hardware 21 November 2019, 11:35
Replies: 4
Views: 251
Posted By meynaf
Nope. It just indicates it's not currently in use.

Nope. It just indicates it's not currently in use.
Forum: Coders. Asm / Hardware 21 November 2019, 10:20
Replies: 16
Views: 431
Posted By meynaf
Your routine would be better written this way : ...

Your routine would be better written this way :

move.l BITPLANE,a0
addq.w #2,a0
moveq #-1,d2
sub.b d0,d2
lsr.l #3,d0
mulu.w #4*44,d1
add.l d0,d1
add.l d1,a0
Forum: support.Other 16 November 2019, 14:33
Replies: 19
Views: 633
Posted By meynaf
There is no simple system call to hide the mouse,...

There is no simple system call to hide the mouse, sorry.
Forum: support.WinUAE 16 November 2019, 11:42
Replies: 4
Views: 398
Posted By meynaf
If you want super-fast cpu on winuae, just select...

If you want super-fast cpu on winuae, just select "Fastest possible" and activate JIT. The cpu type does not matter. Target cpu's caches are not emulated at all, but it will use the host cpu's caches...
Forum: support.Other 16 November 2019, 11:19
Replies: 19
Views: 633
Posted By meynaf
Me, I don't like having the mouse pointer annoy...

Me, I don't like having the mouse pointer annoy me when i type text, and found out a simple mouse blanker does the trick. The pointer disappears when you type, and reappears when you move the mouse....
Forum: support.Other 15 November 2019, 18:40
Replies: 19
Views: 633
Posted By meynaf
If you have a font that's usable by AmigaOS then...

If you have a font that's usable by AmigaOS then yes. But of course it must exist in the form of an Amiga font and no, i don't know how to convert these.



I guess you could setup some empty...
Forum: support.WinUAE 15 November 2019, 18:31
Replies: 7
Views: 249
Posted By meynaf
Most demos that run on 3.1 will also run on 3.0...

Most demos that run on 3.1 will also run on 3.0 so maybe you can try nevertheless. Who knows, the OS may still be messing up something...



I've seen several interlaced demo images not displayed...
Forum: support.Other 15 November 2019, 17:36
Replies: 19
Views: 633
Posted By meynaf
There is no font prefs in 1.3 then ? ...

There is no font prefs in 1.3 then ?




It does not need to change to Topaz font, as default font is topaz (actually topaz 8).

Anyway, in your startup-sequence you may try something like...
Forum: support.Other 15 November 2019, 16:08
Replies: 19
Views: 633
Posted By meynaf
In theory even 3.1 should respect original...

In theory even 3.1 should respect original system-configuration file from 1.3.
So look in devs: to find it and bring it into your 3.1 system (but keep original one somewhere, just in case).
Does it...
Forum: support.WinUAE 15 November 2019, 13:22
Replies: 7
Views: 249
Posted By meynaf
Buggy interlace setup : odd and even frames...

Buggy interlace setup : odd and even frames swapped.
I've seen this with a few demos, it can happen on real HW as well.
It looks like some race condition so maybe altering cpu configuration to...
Forum: Coders. General 14 November 2019, 10:53
Replies: 100
Views: 2,160
Posted By meynaf
If this ends up being a bug that's not in your...

If this ends up being a bug that's not in your code (e.g. Windows bug), there is an easy way to make a workaround. Simply keep the previous status of every key you use. When you reveive a key down,...
Forum: Retrogaming General Discussion 14 November 2019, 10:34
Replies: 50
Views: 2,751
Posted By meynaf
And after building such a fantastic machine they...

And after building such a fantastic machine they will discover that the output image is so bad that it's not usable due to the random nature of quantum mechanics :p
Forum: Coders. Asm / Hardware 13 November 2019, 12:01
Replies: 12
Views: 485
Posted By meynaf
Here is precisely the problem : it is ambiguous...

Here is precisely the problem : it is ambiguous and one can't answer for sure to these questions without testing every cpu model.

IIRC, on 020-030 it would be non-incremented new stack pointer...
Forum: Amiga scene 13 November 2019, 09:16
Replies: 99
Views: 5,837
Posted By meynaf
Right, try to behave like me, just for the fun....

Right, try to behave like me, just for the fun. Then - if you're successful in doing so, which i doubt - maybe you will discover what discussing really means.
But for now, it would be better if...
Forum: Coders. Asm / Hardware 12 November 2019, 19:14
Replies: 12
Views: 485
Posted By meynaf
UNLK A7 does not look very useful... In theory...

UNLK A7 does not look very useful...
In theory it should just pop A7 out of the stack, something regular MOVE can do.
Also it does not look safe to use accross different cpu models, like MOVE.L...
Forum: Retrogaming General Discussion 12 November 2019, 16:50
Replies: 50
Views: 2,751
Posted By meynaf
Technically there is nothing preventing building...

Technically there is nothing preventing building 68060 @1Ghz and more.
If using latest tech it maybe could even reach that speed nearly unmodified...
But the world isn't driven by technical...
Forum: Coders. General 12 November 2019, 16:02
Replies: 100
Views: 2,160
Posted By meynaf
When compiler, linker, optimizer, or whatever,...

When compiler, linker, optimizer, or whatever, detects that there will be a crash, the smallest of things should be to emit a warning about it...
Forum: Retrogaming General Discussion 12 November 2019, 10:34
Replies: 50
Views: 2,751
Posted By meynaf
How can 486 be chosen as successor to 68040 as...

How can 486 be chosen as successor to 68040 as they are comparable in speed (with even a slight advantage to 68040) ?
x86 by that time were a regression compared to 68k and it would still have been...
Forum: Retrogaming General Discussion 12 November 2019, 09:36
Replies: 50
Views: 2,751
Posted By meynaf
So you want what ? That A500 owners throwed their...

So you want what ? That A500 owners throwed their A500 in the bin for a machine that costs a lot more and isn't even more powerful ? Or that they bought an accelerator board that does not make their...
Forum: Coders. General 12 November 2019, 09:12
Replies: 100
Views: 2,160
Posted By meynaf
No it doesn't sound plausible. Crashing with a...

No it doesn't sound plausible. Crashing with a guru indicating trap #7 means the vector wasn't touched at all and still points to normal rom. In addition, the code doesn't look like if it was trying...
Forum: Retrogaming General Discussion 12 November 2019, 09:04
Replies: 50
Views: 2,751
Posted By meynaf
Most do not have a 68000 anymore either. Many...

Most do not have a 68000 anymore either.
Many have A1200 and this is 68020, whose emulation would have required JIT which did not exist in 1994.
Forum: Retrogaming General Discussion 12 November 2019, 08:53
Replies: 50
Views: 2,751
Posted By meynaf
Old 68000 maybe (i'm not sure). But in 1994 the...

Old 68000 maybe (i'm not sure). But in 1994 the speed to achieve was that of 68040.
Forum: Coders. General 11 November 2019, 22:47
Replies: 100
Views: 2,160
Posted By meynaf
It's located in first code section.

It's located in first code section.
Forum: Coders. General 11 November 2019, 21:40
Replies: 100
Views: 2,160
Posted By meynaf
In theory yes. In practice optimisation can...

In theory yes. In practice optimisation can sometimes fail bad. Does it still crash if you turn it off ?
Forum: Coders. General 11 November 2019, 21:27
Replies: 100
Views: 2,160
Posted By meynaf
I confirm there is no overwrite of code. Also it...

I confirm there is no overwrite of code. Also it does not look like data at all.

Comparing with keyboard.c the generated asm code is hard to follow and even sometimes looks incorrect.
Seems the...
Forum: Coders. General 11 November 2019, 18:29
Replies: 100
Views: 2,160
Posted By meynaf
The guru you get indicates TRAP #7 instructions...

The guru you get indicates TRAP #7 instructions executing.
But it may also indicate that the code branches to data (which is likely text in this case). You may want to check your indirect JMP/JSR.
Forum: support.Other 11 November 2019, 16:20
Replies: 15
Views: 574
Posted By meynaf
If you use the emulator's debugger rather than an...

If you use the emulator's debugger rather than an amiga one (i don't), then the situation becomes different.

But anyway that depends how much the game is "unfriendly" and how far you push...
Forum: support.Other 11 November 2019, 15:23
Replies: 15
Views: 574
Posted By meynaf
Yes. System friendly means it runs...

Yes.



System friendly means it runs without destroying the OS, and actually uses it. In the ideal case, a game that can even multitask, which means you can use any amiga tool while the game is...
Forum: Amiga scene 08 November 2019, 16:30
Replies: 99
Views: 5,837
Posted By meynaf
Also look at who's still #15 :cheese

Also look at who's still #15 :cheese
Forum: Retrogaming General Discussion 08 November 2019, 11:30
Replies: 50
Views: 2,751
Posted By meynaf
Transistor count and cpu speed are two different...

Transistor count and cpu speed are two different things.
Forum: Retrogaming General Discussion 08 November 2019, 11:22
Replies: 50
Views: 2,751
Posted By meynaf
Does it provide anything that will make...

Does it provide anything that will make programming easier ?
(Same reason ppc didn't qualify as 68k replacement, as its asm is actually much worse.)

Can it be made reliable enough so it can...
Forum: Retrogaming General Discussion 07 November 2019, 10:22
Replies: 14
Views: 633
Posted By meynaf
Only game i know of that has resizable view...

Only game i know of that has resizable view window is Colonization, and there are tight limits.
Forum: support.Other 07 November 2019, 10:20
Replies: 15
Views: 574
Posted By meynaf
IMO the easiest way could be to re-source some...

IMO the easiest way could be to re-source some system friendly game.
Then inserting/deleting code becomes a lot easier (and perhaps debugging as well).
Forum: Retrogaming General Discussion 06 November 2019, 19:07
Replies: 19
Views: 533
Posted By meynaf
Same here. In addition, most TVs had SCART input...

Same here. In addition, most TVs had SCART input so for the Amiga itself it didn't really matter anyway.
Forum: Retrogaming General Discussion 06 November 2019, 13:17
Replies: 50
Views: 2,751
Posted By meynaf
I don't see anything good coming in the...

I don't see anything good coming in the foreseeable future.



It has been boring for me since 1994.
Forum: Retrogaming General Discussion 06 November 2019, 09:44
Replies: 50
Views: 2,751
Posted By meynaf
Yes, a 68k processor faster than today cpu could...

Yes, a 68k processor faster than today cpu could be done, and it would be faster for the simple reason it has better instruction set. So everything else being equal (strong out-of-order...
Forum: Amiga scene 05 November 2019, 20:20
Replies: 99
Views: 5,837
Posted By meynaf
Then perhaps it's the same thing for programming...

Then perhaps it's the same thing for programming languages :p



Isn't it supposed to be general purpose, instead ?



Yeah, like choosing to use a tank to go shopping :cheese
Forum: Amiga scene 05 November 2019, 19:55
Replies: 99
Views: 5,837
Posted By meynaf
Nobody will say the sledge-hammer or the scalpel...

Nobody will say the sledge-hammer or the scalpel suck or is a pile of shit. They're just tools targeted at a specific task. There is no choice here.
Forum: Amiga scene 05 November 2019, 18:12
Replies: 99
Views: 5,837
Posted By meynaf
Yes and this is my point : for many things it's...

Yes and this is my point : for many things it's not suited.
I don't like languages that are ill-suited for half the things i need to do.



Code re-use is also quite language independent, while...
Forum: Amiga scene 05 November 2019, 16:07
Replies: 99
Views: 5,837
Posted By meynaf
Question answered long ago and now we're OT....

Question answered long ago and now we're OT. Perhaps this should just stop right here.



I especially like the "no matter how wrong it is". :rolleyes



Wait a minute. Isn't this called...
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