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Search took 0.11 seconds. Search: Posts Made By: SpeedGeek
Forum: support.Apps 12 April 2024, 15:02
Replies: 89
Views: 4,834
Posted By SpeedGeek
Whether you prefer to call it a region or an...

Whether you prefer to call it a region or an address space really makes no difference. What is important to remember, is that for Zorro2 there are designated cachable and non-cachable address spaces....
Forum: support.Apps 11 April 2024, 16:52
Replies: 89
Views: 4,834
Posted By SpeedGeek
Thank you for the info! :great But this...

Thank you for the info! :great

But this really makes no sense because the Z2 I/O space is non-cachable. The real problem with the 030 is that long word aligned longword writes ignore the CIIN...
Forum: support.Apps 11 April 2024, 16:39
Replies: 89
Views: 4,834
Posted By SpeedGeek
Ok, I get what you mean. But there is an...

Ok, I get what you mean. But there is an advantage, in terms of speed (not related to the ATC) because of faster table searches for early termination of page descriptors (which also means termination...
Forum: support.Apps 10 April 2024, 17:45
Replies: 89
Views: 4,834
Posted By SpeedGeek
It sounds like you are reading or understanding...

It sounds like you are reading or understanding this differently than me. I am not referring to early termination of table descriptors, rather early termination of the MMU tables.
Forum: support.Apps 10 April 2024, 17:30
Replies: 89
Views: 4,834
Posted By SpeedGeek
Of course it does. There are only a limited...

Of course it does. There are only a limited number of ATC entries and managing the full 32 bit of address space means the entries are flushed more often, resulting in more ATC misses and more...
Forum: support.Apps 10 April 2024, 16:26
Replies: 89
Views: 4,834
Posted By SpeedGeek
I did not know that CPU FastROM enabled the TTx...

I did not know that CPU FastROM enabled the TTx registers outside the 24 bit address space. I don't see any reason to do this unless you are trying to make the Zorro3 space cache inhibited. I thought...
Forum: support.Apps 09 April 2024, 16:43
Replies: 89
Views: 4,834
Posted By SpeedGeek
MEMF_LOCAL is typically configured by...

MEMF_LOCAL is typically configured by expansion.library. So, not available for Expansion base as MEMF_PUBLIC. IIRC Ranger-mem is configed by exec.library so it would available, but I don't remember...
Forum: support.Apps 09 April 2024, 16:26
Replies: 89
Views: 4,834
Posted By SpeedGeek
Remapping the ROM with various tools (e.g....

Remapping the ROM with various tools (e.g. Blizkick, GvpCpuCtrl) already does this. But having the expansion.library in Fast memory is not the same as having the Expansion base in Fast RAM.



I...
Forum: support.Apps 07 April 2024, 00:21
Replies: 89
Views: 4,834
Posted By SpeedGeek
There are several threads already posted here on...

There are several threads already posted here on EAB regarding these specific AmigaOS version slow-down issues. You might want to try a search for them.

IMO if you paid for these versions, than...
Forum: project.EAB 29 March 2024, 15:13
Replies: 47
Views: 2,863
Posted By SpeedGeek
AFAIK, as long as the Google search Bot is not...

AFAIK, as long as the Google search Bot is not blocked, then it's the Google algorithm which determines the level of indexing.

Could it be that blocking most of the other Bots reduced heavy...
Forum: support.Hardware 15 March 2024, 18:37
Replies: 3
Views: 278
Posted By SpeedGeek
Circa 1990 and just before Commodore announced...

Circa 1990 and just before Commodore announced the A4000 with the AGA chip set. Newtek and Lake Forrest Logic created a new display mode called "Dynamic Hi-Res".

This was a hack which used the CPU...
Forum: project.EAB 03 March 2024, 18:21
Replies: 30
Views: 4,751
Posted By SpeedGeek
Hello RCK, The snow melted early this year...

Hello RCK,

The snow melted early this year (at least where I live), so the snowman can probably be released from his EAB duties. :D
Forum: Coders. System 01 March 2024, 14:09
Replies: 57
Views: 26,888
Posted By SpeedGeek
** 19TH NEWS UPDATE ** FastCache040+ 2.6...

** 19TH NEWS UPDATE **

FastCache040+ 2.6 released!

v2.6 - The previous bug fix only worked for addresses in the 16MB
range. This fix should should now work with any address.
Forum: Amiga scene 25 January 2024, 22:30
Replies: 7
Views: 923
Posted By SpeedGeek
Assuming the payment was made with a credit card...

Assuming the payment was made with a credit card that would be true. Just keep in mind that, Paypal and eBay for example will have different time frames. ;)
Forum: Coders. Asm / Hardware 10 January 2024, 18:21
Replies: 71
Views: 7,513
Posted By SpeedGeek
Okay, thanks. I will keep that in mind the next...

Okay, thanks. I will keep that in mind the next time I need to congratulate or criticize a member of the Amiga OS development team.

Now, can we please get back on topic?
Forum: Coders. Asm / Hardware 10 January 2024, 16:22
Replies: 71
Views: 7,513
Posted By SpeedGeek
It appears that some misunderstandings will occur...

It appears that some misunderstandings will occur when translating English to other languages. But the formal title does not put him in charge of the OS development group.

"Bryce Nesbitt managed...
Forum: Coders. Asm / Hardware 10 January 2024, 15:11
Replies: 71
Views: 7,513
Posted By SpeedGeek
There is actually more than 1 page, but you can...

There is actually more than 1 page, but you can start here:

http://amigadev.elowar.com/read/ADCD_2.1/Libraries_Manual_guide/node001B.html
...
Forum: Coders. System 07 January 2024, 22:21
Replies: 23
Views: 17,517
Posted By SpeedGeek
Yes, partially going back to 2.1 now for this...

Yes, partially going back to 2.1 now for this specific case:

4.) If a MOVE16 instruction has both source & destination addresses
hitting in the same copyback mode cache line (effectively...
Forum: Coders. System 07 January 2024, 17:59
Replies: 23
Views: 17,517
Posted By SpeedGeek
** 8TH NEWS UPDATE ** CMQ&B040_SAFER2.3...

** 8TH NEWS UPDATE **

CMQ&B040_SAFER2.3 released!

First safer version
- Added code to test for equal source and destination addresses
and avoid using Move16 for this specific case.
- Added...
Forum: Coders. Asm / Hardware 05 January 2024, 15:20
Replies: 71
Views: 7,513
Posted By SpeedGeek
Commodore did not say MOVE16 was a no-no (Please...

Commodore did not say MOVE16 was a no-no (Please read the RKRM). Mike Sinz said Move16 is not 100% supported and warned developers to be careful with Move16 (Please read the Enforcer...
Forum: Coders. Asm / Hardware 05 January 2024, 15:03
Replies: 71
Views: 7,513
Posted By SpeedGeek
The problem is that Copymem improvement patches...

The problem is that Copymem improvement patches are applied to system functions not applications. Move16 is not the only instruction which is potentially crash inducing. Indeed the Amiga and the...
Forum: Coders. System 04 January 2024, 21:27
Replies: 23
Views: 2,236
Posted By SpeedGeek
That's certainly a possibility, but keep in mind...

That's certainly a possibility, but keep in mind that most of the patches are CPU specific and often larger than the original exec routines. So you would need to make an exec.library that's...
Forum: Coders. Asm / Hardware 04 January 2024, 21:01
Replies: 71
Views: 7,513
Posted By SpeedGeek
What system programmers should agree on, is that...

What system programmers should agree on, is that based on the Motorola errata that the combination of Move16 and MMU invalid pages introduces a potential compatibility problem. Now, exactly how to...
Forum: Coders. Asm / Hardware 04 January 2024, 18:16
Replies: 71
Views: 7,513
Posted By SpeedGeek
Using Move16 properly is not "Knowingly...

Using Move16 properly is not "Knowingly Introducing" a bug, rather it's the improper use of Move16, or the MMU, or certain "Broken by Design" accelerator cards which introduce the bug.
Forum: Coders. Asm / Hardware 04 January 2024, 15:31
Replies: 71
Views: 7,513
Posted By SpeedGeek
What he failed to explain was that it was not...

What he failed to explain was that it was not necessary to mark any address space as invalid with the MMU. This was an optional choice Mike Sinz made with the Commodore 68040.library and the 3rd...
Forum: Coders. System 04 January 2024, 15:01
Replies: 23
Views: 2,236
Posted By SpeedGeek
The Kickstart patch is more commonly known as...

The Kickstart patch is more commonly known as "Setpatch". This patch does extensive patching but unfortunately the exec Copymem/quick functions are not patched. Setpatch was originally intended as...
Forum: Coders. System 02 January 2024, 23:22
Replies: 23
Views: 2,236
Posted By SpeedGeek
Your question was answered on the Move16...

Your question was answered on the Move16 discussion thread. Now, since there was very little (if any) discussion about Move16 coding on that thread, I don't see that part of the discussion as...
Forum: Coders. Asm / Hardware 02 January 2024, 23:13
Replies: 71
Views: 7,513
Posted By SpeedGeek
Did you not find the updated Move16 benchmark...

Did you not find the updated Move16 benchmark tool posted on this thread? You can also duplicate my test with CMQ&B040 and LHA files. Then assuming your system runs stable, you can proceed to develop...
Forum: Coders. System 02 January 2024, 16:39
Replies: 23
Views: 2,236
Posted By SpeedGeek
@Thread There is already a MOVE16 discussion...

@Thread

There is already a MOVE16 discussion thread here:

https://eab.abime.net/showthread.php?t=102820

What is the point in repeating what's already been posted on that thread? :rolleyes
Forum: Coders. System 01 January 2024, 16:38
Replies: 23
Views: 2,236
Posted By SpeedGeek
When you see that there quite a lot of extra...

When you see that there quite a lot of extra overhead just to support Move16 you will be very discouraged from using it unless you've got a system which can show you the performance benefits of using...
Forum: Coders. System 31 December 2023, 16:40
Replies: 23
Views: 2,236
Posted By SpeedGeek
A0/A1 already point to the end of the copy block...

A0/A1 already point to the end of the copy block + increment. But keep in mind this may be a longword, word or byte aligned pointer. So what you really need preserved is D1 (A6 is not used by my...
Forum: Coders. System 30 December 2023, 14:57
Replies: 23
Views: 2,236
Posted By SpeedGeek
I can make a special version of CMQ&B 1.7 which...

I can make a special version of CMQ&B 1.7 which preserves A6/D1. A0/A1 can be preserved too but at the expense of more overhead. The code is quite similar to your CopyMemBlock code but it handles...
Forum: Coders. System 29 December 2023, 15:02
Replies: 23
Views: 2,236
Posted By SpeedGeek
I've observed that what most applications should...

I've observed that what most applications should or should not do is often irrelevant. They tend to do whatever their developers want them to do and that's that.

The reason why Commodore included...
Forum: Coders. System 28 December 2023, 15:30
Replies: 23
Views: 2,236
Posted By SpeedGeek
Software which uses Copymem improvement patches

I was too busy to respond to these comments earlier. The reason I've started another thread is because I would rather have the discussion there limited to the specific patches on that thread:
...
Forum: support.Hardware 06 December 2023, 23:10
Replies: 15
Views: 1,379
Posted By SpeedGeek
Did you forget about the PGA 68030 and the 72 pin...

Did you forget about the PGA 68030 and the 72 pin SIMM sockets? Did you also eliminate components for the 24 bit AGA scan doubler and Ratte monitor switch?

What extra components for a ReAmiga are...
Forum: support.Hardware 06 December 2023, 15:30
Replies: 15
Views: 1,379
Posted By SpeedGeek
<sigh> ...

<sigh>

https://eab.abime.net/showthread.php?p=1514319#post1514319

...and this price list is 2 years old! Yes, you can subtract the reusable chips from this list but you still need quite a bit...
Forum: support.Hardware 06 December 2023, 14:24
Replies: 15
Views: 1,379
Posted By SpeedGeek
Did you recently check price and availability of...

Did you recently check price and availability of the extra components required for this upgrade? I don't want to use that nasty word "RARE" associated with so many eBay wares these days but... ...
Forum: Coders. Asm / Hardware 28 November 2023, 16:08
Replies: 24
Views: 2,254
Posted By SpeedGeek
The most optimal copy code is always CPU...

The most optimal copy code is always CPU dependent and type of memory or device dependent. Movem.l is probably fastest on 68000-68010. For 68020-68030 unrolled move.l loops are usually fastest. For...
Forum: project.EAB 20 November 2023, 14:52
Replies: 665
Views: 191,610
Posted By SpeedGeek
It's nice to see the legendary EAB snowman appear...

It's nice to see the legendary EAB snowman appear a little earlier than in previous years. :xmas
Forum: project.EAB 19 November 2023, 16:45
Replies: 30
Views: 4,751
Posted By SpeedGeek
You posted this request on the wrong thread. This...

You posted this request on the wrong thread. This is the correct thread:

https://eab.abime.net/showthread.php?t=2308&page=33
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