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Re: PED81C - pseudo-native, no C2P chunky screens for AGA
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Posted on: 2023/8/1 20:08
#7441
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Quite a regular 
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@Saime :
I did never said that it should be "Amos Only" system ;)
But simply that it may be interesting to add support for it using extension format. The support should handle screen setup. User will create his/her own custom methods for required effects.
I must admit that I read doc and didn't understand how it works but I'll do another check and if I find time, I will maybe look to see if I can do something interesting with it using extension format.
EDIT :
From doc I read this :
RGBW
does this mean it is a 32 bit value ? Because after you talk about $ww using $wwwwww ..
I don't understand.
Ew... I think I understand you talk about RGB value for the ColorXX register used for the 4th pixel ? Same for others pixels. Right ?
Edited by AmiDARK on 2023/8/1 20:27:43
Edited by AmiDARK on 2023/8/1 20:29:31
Edited by AmiDARK on 2023/8/1 20:41:10
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All we have to decide is what to do with the time that is given to us.
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Re: AmigaOS 4 Monthly Roundup - July 2023
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Posted on: 2023/8/1 19:15
#7442
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Just popping in 
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Thank you so much for these roundups.
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Current Amiga computers: Vampire V4-SA, Sam460ex, A1-X5000/020
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Amiga Camping 2023
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Posted on: 2023/8/1 18:21
#7443
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Not too shy to talk 
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This is definitely something I'd never seen before, but it looks like the French-speaking Amiga community will be holding a very unique event from August 25th through 27th in La Roche-sur-Yon in Western France. Combining the Amiga, retro-computing generally, and an outdoor holiday, this looks really fun! https://boisdron.com/amigacamp2023/-- eliyahu
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"Physical reality is consistent with universal laws. When the laws do not operate, there is no reality. All of this is unreal."
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Re: AmigaOS 4 Monthly Roundup - July 2023
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Posted on: 2023/8/1 18:13
#7444
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Quite a regular
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@AmigaOldskooler
As alway, great job with the round up. Keep up the good work.
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AmigaOne X1000, uA1
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Re: Laptop recommendations
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Posted on: 2023/8/1 18:01
#7445
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Just can't stay away 
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@Hans Quote: If balaton is right about the nvram.config files, then IDE DMA should be enabled on my machine. The kicklayout has nvram.config included, and peg2ide_xfer=FFFF. You can use C:idetool to check (and change) transfer mode, IRQ usage, etc.
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Re: Laptop recommendations
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Posted on: 2023/8/1 17:06
#7446
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Quite a regular
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@geennaamQuote: geennaam wrote:@Hans
A laptop with a Core-i5 1135G7 should give similar performance to my system. The raw CPU emulation speed is good. It's the gfx part that is a bit slower. @Hans This is exactly the problem, we use a graphics card sm502 that has a little over 60 MB, not accelerated and provides 16 bit windows, this can only be slow in motion. Qemu is optimized for 32 bit windows. Nevertheless, I am satisfied that it runs pretty well for me.
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MacStudio ARM M1 Max Qemu//Pegasos2 AmigaOs4.1 FE / AmigaOne A1222plus AmigaOs4.1 FE
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Re: AmigaOS 4 Monthly Roundup - July 2023
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Posted on: 2023/8/1 16:13
#7447
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Quite a regular
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Thank you AmigaOldskooler.
---
redfox
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Re: AmigaOS 4 Monthly Roundup - July 2023
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Posted on: 2023/8/1 14:11
#7448
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Quite a regular
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@AmigaOldskooler
As always, thank you very much for the detailed summary. I enjoy reading it very much.
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MacStudio ARM M1 Max Qemu//Pegasos2 AmigaOs4.1 FE / AmigaOne A1222plus AmigaOs4.1 FE
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Re: AmigaOS 4 Monthly Roundup - July 2023
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Posted on: 2023/8/1 13:27
#7449
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Site Builder 
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@AmigaOldskooler
Great read as always. Good to have you back :D
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Re: Libraries: GLEW / GLFW
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Posted on: 2023/8/1 12:59
#7450
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Not too shy to talk
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OK, thanks for the info. I'll see about creating a toolchain file tonight and switching to your clib2. If it works, it works.
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Amiga x5040 ı 16GB ı RX580
GB-A1000 060@100,
A1200 PiStorm32-Lite CM4
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Re: PED81C - pseudo-native, no C2P chunky screens for AGA
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Posted on: 2023/8/1 12:17
#7452
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Quite a regular
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@AmiDARK Quote: AmiDARK wrote:Really impressive. Thanks! Quote: Should be a definitive + to Amos Professional as an extension I wrote the example in AMOS to make it easier to understand by more people, but the system isn't intended for any specific language. I decided to let programmers implement PED81C in the way that fits best their projects and in their language of choice, given that setting up PED81C screens is easy and given that general-purpose routines would perform worse than tailor-made ones.
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RETREAM - retro dreams for Amiga, Commodore 64 and PC
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Re: Laptop recommendations
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Posted on: 2023/8/1 9:47
#7453
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Quite a regular
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@Hans
It's more than just clock. Generation counts as well. But the max single core turbo frequency is 4.3 GHz
A laptop with a Core-i5 1135G7 should give similar performance to my system. The raw CPU emulation speed is good. It's the gfx part that is a bit slower.
Edited by geennaam on 2023/8/1 10:30:32
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Re: Laptop recommendations
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Posted on: 2023/8/1 9:14
#7454
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Home away from home 
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@geennaam Quote: I have a Core i5 10400F with 8 GB ddr4. What's the max clock speed? I'm using a Core i7, but it's a laptop (max clock 2.6GHz).
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Re: Laptop recommendations
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Posted on: 2023/8/1 8:59
#7455
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Quite a regular
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@Hans
Version 8.1.0 rc0. You need 8.1 to be able to use bboot
Build it myself from the master repository. Just a straight forward build. Nothing fancy.
I have a Core i5 10400F with 8 GB ddr4.
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Re: Laptop recommendations
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Posted on: 2023/8/1 8:52
#7456
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Home away from home
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@geennaam Quote: From entering command to WB fully loaded takes about 10 seconds.
And I'm running Linux/QEMU+bboot0.4 from an old mechanical HDD.
Version of sm502 driver is 53.9 What are your machine's hardware specs? Is that with a self-compiled version of qemu? Or an official build? I'm still using v8.0.0 downloaded from the website (Windows, not in a position to try out Linux). I should try out bboot. IIRC, kas1e said that's faster than amigaboot.of. Hans
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Re: Laptop recommendations
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Posted on: 2023/8/1 8:18
#7457
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Quite a regular
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@Hans
From entering command to WB fully loaded takes about 10 seconds.
And I'm running Linux/QEMU+bboot0.4 from an old mechanical HDD.
Version of sm502 driver is 53.9
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Re: Laptop recommendations
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Posted on: 2023/8/1 7:21
#7458
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Just can't stay away
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@balaton Quote: Anyway the problem is likely not that DMA is not enabled but that doing IO in 512byte chunks in emulation is slow because each write to an io device will exit compiled code and go to device code Tiny 512 byte reads are only possible with file systems like FFS, most file systems (SFS, NGFS, NTFS, ...) use a read-ahead and copy-back cache with much larger transfers and memcpy() small transfers like 512 bytes from/to the cache. Quote: and also the interrupts generated have similar effect. You can disable usage of IRQs in the AmigaOS driver with the nvram variable "peg2ide_irq=0000", but even if that results in faster transfers the overall speed may be slower since (next to) no other AmigaOS task gets any CPU time while the IDE driver busy waits for transfer completion. @Maijestro Quote: I could test some read and write accesses under my machine and post the result here, we could then compare it with real hardware.
Is there a tool under AmigaOs4.1 that I can use for this? DRIVE=peg2ide.device:0 LONG FAST MINTIME=1 BUF1=512 BUF2=16384 BUF3=1048576 BUF4=16777216 (assuming unit 0 of peg2ide.device is an emulated HD and not an emulated CD/DVD drive) It's an ancient read-only benchmark tool from 1989, but should still be usable with the arguments above, and there should be no difference between reads and writes.
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Re: Laptop recommendations
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Posted on: 2023/8/1 7:02
#7459
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Home away from home
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@balaton Quote: Slow loading can have two causes, going through emulated ide device can be slow this could be fixed by virtio disk driver or having to JIT compile the executable the first time it's seen, there's probably not much that can be done with that other than optimising TCG PPC emulation)... Is it universally sluggish for everyone using emulation? Or is it my older laptop? Bear in mind that I'm used to real hardware (X5000 & A1222), so I'm used to the system being fast and responsive. @Maijestro Quote: 38 seconds is better than 1.5 minutes. They still haven't addressed whether they use the SFS file system. Yes, it's a huge improvement. My system partition is SFS\02, which is normally faster than the older FFS. @joerg Quote: As long as nvram isn't supported and you can't use U-Boot variables like peg2ide_xfer (or something similar) to configure the AmigaOS IDE driver to use UDMA it's only using slow PIO transfers. I completely forgot that the old IDE drivers defaulted to PIO mode. Shows how long it's been since I last used an A1-XE... If balaton is right about the nvram.config files, then IDE DMA should be enabled on my machine. The kicklayout has nvram.config included, and peg2ide_xfer=FFFF. Hans
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Re: Libraries: GLEW / GLFW
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Posted on: 2023/8/1 6:43
#7460
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Amigans Defender 
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You are using newlib. I've compiled it using my clib2 version. However with some small changes it must work also with newlib since most of the code is OS4 code.
I've cross compiled it using gcc11 and cmake as usual.
I've created in my machine a tool chain file that I use every time I want to use cmake so I have less ptoblems
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i'm really tired... 
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