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Posts Made By:
meynaf
Forum:
Retrogaming General Discussion
Yesterday, 11:33
Replies:
27
Rather pacifistic games
Views:
531
Posted By
meynaf
There are a few bosses to fight after a number of...
There are a few bosses to fight after a number of levels.
Forum:
Retrogaming General Discussion
22 April 2024, 21:47
Replies:
27
Rather pacifistic games
Views:
531
Posted By
meynaf
Point'n'click games are for a large part...
Point'n'click games are for a large part pacifistic.
Puzzle games where you save creatures (lemmings, benefactor).
Pinball games.
Economic simulations (sim city, theme park).
Forum:
Amiga scene
22 April 2024, 12:05
Replies:
69
Simple Workbench Features Missing In Modern Distros?
Views:
2,452
Posted By
meynaf
This is the one i am using. All data on it...
This is the one i am using. All data on it persist after shutdown (and i won't turn hibernate off because this is too slow).
Forum:
Amiga scene
22 April 2024, 10:51
Replies:
69
Simple Workbench Features Missing In Modern Distros?
Views:
2,452
Posted By
meynaf
Windows system monitors can filter too, but it...
Windows system monitors can filter too, but it doesn't help. You either get flooded or miss important events (usually both).
I'm not using linux. So perhaps it has a few things in my list, but...
Forum:
Coders. Asm / Hardware
21 April 2024, 19:35
Replies:
91
mulu.l cycles on 68030 and 68040
Views:
5,643
Posted By
meynaf
I didn't suggest anything. Especially not...
I didn't suggest anything. Especially not changing bitmap alignment in memory. Just use the video memory's own alignment properties.
They sit next to an area that's round in size. A property...
Forum:
Coders. Asm / Hardware
21 April 2024, 13:18
Replies:
91
mulu.l cycles on 68030 and 68040
Views:
5,643
Posted By
meynaf
But this wasn't specified in the specs to start...
But this wasn't specified in the specs to start with...
Going over an allocated memory area isn't the same as going over a whole memory range. I mean, software can locate its bitmaps where it...
Forum:
Coders. Asm / Hardware
21 April 2024, 11:47
Replies:
91
mulu.l cycles on 68030 and 68040
Views:
5,643
Posted By
meynaf
That still looks weird. What happens if there is...
That still looks weird. What happens if there is true color at one side and not at the other ?
By the time the documentation was made, there was nothing such as chunky pixels to handle. And...
Forum:
Coders. Asm / Hardware
21 April 2024, 10:53
Replies:
91
mulu.l cycles on 68030 and 68040
Views:
5,643
Posted By
meynaf
Different number of colors and/or different...
Different number of colors and/or different palette, leading to completely bogus image. Is that 'nothing wrong' ?
You can still be a little pragmatic and check if there exists any case where...
Forum:
Coders. Asm / Hardware
21 April 2024, 08:35
Replies:
91
mulu.l cycles on 68030 and 68040
Views:
5,643
Posted By
meynaf
Sorry, i still can't find a single concrete (not...
Sorry, i still can't find a single concrete (not theoretical) case where this is sane approach.
The video ram should have its start and end longword aligned. It can't be anywhere. Just clip...
Forum:
Amiga scene
21 April 2024, 08:35
Replies:
69
Simple Workbench Features Missing In Modern Distros?
Views:
2,452
Posted By
meynaf
Don't you need to be logged as root to use that ?...
Don't you need to be logged as root to use that ?
Don't you get flooded by events too ?
Does it really work on all systems ?
Forum:
Coders. Asm / Hardware
20 April 2024, 20:58
Replies:
91
mulu.l cycles on 68030 and 68040
Views:
5,643
Posted By
meynaf
Either this is a very rare case (blitting from...
Either this is a very rare case (blitting from gfx card to original chipset) or this is the sign of an error somewhere which may well lead to a p2c later...
Which rarely causes any issue on...
Forum:
Coders. Asm / Hardware
20 April 2024, 19:47
Replies:
91
mulu.l cycles on 68030 and 68040
Views:
5,643
Posted By
meynaf
That's why showing more code would have been...
That's why showing more code would have been useful.
It may be just for academic purposes, but making it work could be interesting. That's not missing the point.
So you read video ram...
Forum:
Coders. Asm / Hardware
20 April 2024, 16:53
Replies:
91
mulu.l cycles on 68030 and 68040
Views:
5,643
Posted By
meynaf
This is still doable in the middle of the...
This is still doable in the middle of the computation. 68030 would stall but not 68060 (i think).
No free registers ? What are a4/a6 then ?
Perhaps posting a little more code would help....
Forum:
Coders. Asm / Hardware
20 April 2024, 15:05
Replies:
91
mulu.l cycles on 68030 and 68040
Views:
5,643
Posted By
meynaf
If you want to go to 32 bit per iteration, it is...
If you want to go to 32 bit per iteration, it is perhaps possible.
Not having the full picture i may be missing something, but what about this :
_loop: ;next pixels (within the line)...
Forum:
Amiga scene
20 April 2024, 14:21
Replies:
69
Simple Workbench Features Missing In Modern Distros?
Views:
2,452
Posted By
meynaf
This is linux only, and strace only works for...
This is linux only, and strace only works for single process. It won't survey the whole system. How can it possibly help when one process does something bad and you don't know which ? To me this...
Forum:
Amiga scene
20 April 2024, 09:58
Replies:
69
Simple Workbench Features Missing In Modern Distros?
Views:
2,452
Posted By
meynaf
So many things i regret... - Ram disk, of...
So many things i regret...
- Ram disk, of course. Those on windows aren't dynamic and have their contents saved on disk when the machine is switched off...
- Simple console windows with /AUTO,...
Forum:
Coders. Asm / Hardware
17 April 2024, 14:35
Replies:
91
mulu.l cycles on 68030 and 68040
Views:
5,643
Posted By
meynaf
You may try to find a way to predict the obtained...
You may try to find a way to predict the obtained values, and ask for extra tests when some theory needs to be verified. Me, i tried but with little result.
Forum:
Coders. Asm / Hardware
17 April 2024, 14:09
Replies:
91
mulu.l cycles on 68030 and 68040
Views:
5,643
Posted By
meynaf
You should really go to sleep.
You should really go to sleep.
Forum:
Coders. Asm / Hardware
17 April 2024, 11:40
Replies:
91
mulu.l cycles on 68030 and 68040
Views:
5,643
Posted By
meynaf
Which is true. An error in a constant, clocks not...
Which is true. An error in a constant, clocks not exactly being 3546895 and 50000000, an interrupt not disabled... Many things can make the result drift away.
And where did I agree to this ? I...
Forum:
Coders. Asm / Hardware
16 April 2024, 19:38
Replies:
91
mulu.l cycles on 68030 and 68040
Views:
5,643
Posted By
meynaf
But both are the same. The decimals indicated...
But both are the same. The decimals indicated something didn't go well.
Not 'better' but easier as i said : just count the vblanks...
Cheap and (with enough loops) reliable enough.
Forum:
Coders. Asm / Hardware
16 April 2024, 19:06
Replies:
91
mulu.l cycles on 68030 and 68040
Views:
5,643
Posted By
meynaf
Sorry, but once-per-test overhead can not explain...
Sorry, but once-per-test overhead can not explain the non-integer results you got before. Especially not that they disappeared with extra precision.
There are easier ways to compute the...
Forum:
Coders. Asm / Hardware
16 April 2024, 14:18
Replies:
91
mulu.l cycles on 68030 and 68040
Views:
5,643
Posted By
meynaf
That you have right values for small number of...
That you have right values for small number of cycles doesn't mean it won't deviate for larger numbers. E.g. add 5% to 6, you still get 6. But add 20% to 20 and you'll get 21.
I wouldn't trust...
Forum:
Coders. Asm / Hardware
16 April 2024, 11:57
Replies:
91
mulu.l cycles on 68030 and 68040
Views:
5,643
Posted By
meynaf
I remember mulu.w being 26 cycles and mulu.l 44...
I remember mulu.w being 26 cycles and mulu.l 44 cycles (never 46).
Never found a different timing except for value zero.
Immediate mulu.w adds 2 ; no difference between mulu and muls.
I...
Forum:
Coders. Asm / Hardware
16 April 2024, 11:26
Replies:
91
mulu.l cycles on 68030 and 68040
Views:
5,643
Posted By
meynaf
Not so easy. You will discover that extra add.l...
Not so easy. You will discover that extra add.l will not do +2 cycles each. Some will do nothing and then suddenly you will have lots of cycles. This is due to chipmem timing alignment.
Forum:
Coders. Asm / Hardware
16 April 2024, 08:34
Replies:
91
mulu.l cycles on 68030 and 68040
Views:
5,643
Posted By
meynaf
It does not execute in parallel to mulu. It takes...
It does not execute in parallel to mulu. It takes 2 cycles off the second move.l which waits 2 cycles less for chipmem.
What seems wrong to me is that measurement overhead makes it look like it...
Forum:
Coders. Asm / Hardware
15 April 2024, 21:11
Replies:
10
Exporting/Importing absolute expressions
Views:
587
Posted By
meynaf
This can still work with an include... ;...
This can still work with an include...
; file.i
v_BPLCON4 EQU $0011
; file.a
include file.i
BPLCON4 EQU v_BPLCON4
Forum:
Coders. Asm / Hardware
15 April 2024, 18:59
Replies:
10
Exporting/Importing absolute expressions
Views:
587
Posted By
meynaf
Can you provide an example that's indeed more...
Can you provide an example that's indeed more complex and won't work with simple include file ?
Forum:
Coders. Asm / Hardware
13 April 2024, 09:21
Replies:
91
mulu.l cycles on 68030 and 68040
Views:
5,643
Posted By
meynaf
Sure, swap did really surprise me here. :D I...
Sure, swap did really surprise me here. :D
I have my own tool for measuring but unfortunately my A1200 isn't in the right shape to perform tests...
More tests are welcome but i can't the heck...
Forum:
Coders. Asm / Hardware
12 April 2024, 08:20
Replies:
91
mulu.l cycles on 68030 and 68040
Views:
5,643
Posted By
meynaf
Can you post same figures as in your previous...
Can you post same figures as in your previous post, but for chipmem ? This looks real weird !
Noticed that. Even weirder to me.
From memory I would have said :
.l move.b dx,-(az) ; 8
...
Forum:
Coders. Asm / Hardware
11 April 2024, 15:53
Replies:
91
mulu.l cycles on 68030 and 68040
Views:
5,643
Posted By
meynaf
They can't all be free ? :confused A memory...
They can't all be free ? :confused
A memory access (with a simple addressing mode) as i observed years ago takes 4+n cycles, where n is 1 for data cache, 4 for 60ns ram, 5 for 70ns ram, 24 for...
Forum:
Coders. Asm / Hardware
11 April 2024, 13:13
Replies:
91
mulu.l cycles on 68030 and 68040
Views:
5,643
Posted By
meynaf
By experience i know that 50mhz 030 can do one...
By experience i know that 50mhz 030 can do one chipmem write every 28 clocks and this allows hiding up to 24 clocks of simple instructions behind. Fastmem writes were 8 clocks and could hide 4.
Any...
Forum:
support.Apps
09 April 2024, 16:16
Replies:
89
AmigaOS 3.2 performance vs 3.1
Views:
4,862
Posted By
meynaf
I think we're "vivid" enough here to be able to...
I think we're "vivid" enough here to be able to fix a few software, especially due some of us don't even need the source code to be able to do this. IOW even if authors can't be contacted or don't...
Forum:
support.Apps
09 April 2024, 15:31
Replies:
89
AmigaOS 3.2 performance vs 3.1
Views:
4,862
Posted By
meynaf
If the interface is silly, better fix it. ...
If the interface is silly, better fix it.
So we should blindly follow interface mistakes. Cool. :D
This is being overprudent. Very large files are rare. Old software that would choke on...
Forum:
support.Apps
09 April 2024, 14:53
Replies:
89
AmigaOS 3.2 performance vs 3.1
Views:
4,862
Posted By
meynaf
It is negative if you think it is negative. Else...
It is negative if you think it is negative. Else it is 4294967295.
Normally a coder should know a file size is an unsigned number...
Nothing will break, as long as big files are not...
Forum:
support.Apps
09 April 2024, 12:40
Replies:
89
AmigaOS 3.2 performance vs 3.1
Views:
4,862
Posted By
meynaf
Hard drive images maybe ? Anyhow, the case...
Hard drive images maybe ?
Anyhow, the case already exists. Emulators can map a host directory, which may well contain anything.
Forum:
support.Apps
09 April 2024, 11:14
Replies:
89
AmigaOS 3.2 performance vs 3.1
Views:
4,862
Posted By
meynaf
I don't care that intuition can be flushed or not...
I don't care that intuition can be flushed or not in v47 (which is "that v47 detail"). Why would it mean that i don't care about whole new versions overall ?
Forum:
support.Apps
09 April 2024, 09:52
Replies:
89
AmigaOS 3.2 performance vs 3.1
Views:
4,862
Posted By
meynaf
If you want to "educate" me in one way or...
If you want to "educate" me in one way or another, you're welcome but start by reading what I post. I explicitly wrote that in my case the observed open count was nonzero.
Guess what, I...
Forum:
support.AmigaOS
08 April 2024, 20:45
Replies:
35
AmigaOS 3.3 Feature Request [Shutdown]
Views:
1,874
Posted By
meynaf
Not really. The problem is for power off, not for...
Not really. The problem is for power off, not for reboot.
Forum:
support.Apps
08 April 2024, 20:40
Replies:
89
AmigaOS 3.2 performance vs 3.1
Views:
4,862
Posted By
meynaf
It is easy to say a discussion is pointless when...
It is easy to say a discussion is pointless when you're wrong. :p
Well, the problem is that precisely : it does stay open. So every user does not close it correctly, apparently. Who are these...
Forum:
support.AmigaOS
08 April 2024, 19:43
Replies:
35
AmigaOS 3.3 Feature Request [Shutdown]
Views:
1,874
Posted By
meynaf
And one day SSD will do this in hardware just...
And one day SSD will do this in hardware just like mechanical HD did before, leaving you with a useless option. If this is a separate program, you can just delete it and forget about this hiatus....
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