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Forum: support.Hardware 15 September 2021, 15:34
Replies: 5
Views: 208
Posted By SpeedGeek
According to this post Amibay registrations are...

According to this post Amibay registrations are currently offline:

https://eab.abime.net/showpost.php?p=1506512&postcount=149

However, normally your account would not be closed on Amibay. If...
Forum: support.AmigaOS 03 September 2021, 15:53
Replies: 9
Views: 646
Posted By SpeedGeek
Yes, I have explained this (several times...

Yes, I have explained this (several times before). For 020-030 systems don't enable the MMU unless there is good reason to do this. Using the VBR imposes no performance penalty but the MMU does.
...
Forum: support.AmigaOS 02 September 2021, 21:55
Replies: 9
Views: 646
Posted By SpeedGeek
Apparently, you didn't read this comment: ...

Apparently, you didn't read this comment:

https://eab.abime.net/showpost.php?p=1427935&postcount=13

The MMUlib does not use the simple "Ad Hoc" solution of just remapping the Zero page. It uses...
Forum: Hardware mods 03 August 2021, 15:59
Replies: 76
Views: 23,627
Posted By SpeedGeek
Sorry, but you probably won't find much info (or...

Sorry, but you probably won't find much info (or technical expertise) for over-clocking Atari 040 cards here. You are welcome to use anything you find here, but you will have to determine to what...
Forum: project.EAB 28 July 2021, 18:59
Replies: 4
Views: 1,688
Posted By SpeedGeek
Nice work RCK! :) Now, here is the other...

Nice work RCK! :)

Now, here is the other important detail. There are many AmigaOS related threads posted in support.apps and support.other which should be moved into the new sub-forum. This looks...
Forum: support.Hardware 26 July 2021, 00:34
Replies: 13
Views: 802
Posted By SpeedGeek
@videofx Your 2 T-REX threads have been...

@videofx

Your 2 T-REX threads have been merged.
Forum: Coders. System 21 July 2021, 21:35
Replies: 15
Views: 1,761
Posted By SpeedGeek
Why should the results always be rounded to ISO-C...

Why should the results always be rounded to ISO-C specifications? The Amiga RKRM was written primarily for SAS-C, but it also provided a few examples for assembler code.

IIRC the C= mathlibs...
Forum: Amiga scene 20 July 2021, 18:12
Replies: 131
Views: 13,047
Posted By SpeedGeek
I would say "Precarious" is probably quite...

I would say "Precarious" is probably quite optimistic for Hyperion at this time:

http://amiga-news.de/en/news/AN-2021-07-00053-EN.html

But the other point you missed, was the Hyperion...
Forum: Retrogaming General Discussion 20 July 2021, 17:50
Replies: 26
Views: 2,207
Posted By SpeedGeek
This thread has already been reported, but the...

This thread has already been reported, but the moderating staff is not here 24/7 and even when they are here, they may have some other priorities which need attention. So please have some patience.
...
Forum: Hardware mods 23 June 2021, 23:31
Replies: 76
Views: 23,627
Posted By SpeedGeek
Did you not read post #64 or not understand post...

Did you not read post #64 or not understand post #64? :rolleyes
Forum: Hardware mods 23 June 2021, 13:29
Replies: 76
Views: 23,627
Posted By SpeedGeek
I thought this was already very well explained....

I thought this was already very well explained. Apparently, this was not the case. :rolleyes

The "Extra Wait State" feature was intended for A4000T users. Of course, all the other users could use...
Forum: support.Apps 22 June 2021, 17:55
Replies: 14
Views: 2,355
Posted By SpeedGeek
You should now find an MD5 checksum posted on...

You should now find an MD5 checksum posted on both the AIBB v6.6 and v6.7 threads. Regarding the quality standards issue, this is freeware and you don't have to use any of it if you don't like it....
Forum: support.Apps 22 June 2021, 14:43
Replies: 14
Views: 2,355
Posted By SpeedGeek
Of course, it would be easier if there was only...

Of course, it would be easier if there was only one patch. But the feature updates and the bug fix occurred at different times and things just didn't work out that way.

It was just not worth doing...
Forum: support.Hardware 14 June 2021, 13:45
Replies: 9
Views: 835
Posted By SpeedGeek
Sorry, to hear about your bad luck. You might...

Sorry, to hear about your bad luck. You might want to consider sending your A3640 to vibros but you will need to contact him on Amibay.
...
Forum: Coders. General 12 June 2021, 14:31
Replies: 495
Views: 43,541
Posted By SpeedGeek
@Thread I've edited the thread title so the...

@Thread

I've edited the thread title so the 040 and 060 can be included as on-topic here. As you can see, the topic diversity is something to think about when the thread is created. ;)
Forum: support.Apps 10 June 2021, 13:14
Replies: 6
Views: 847
Posted By SpeedGeek
WTF? Why are you using the $A80000 space for a...

WTF? Why are you using the $A80000 space for a 1MB ROM when you should be using the $E00000 space?

The $A80000 space used for 2MB ROM's and is only available on the A600, A1200 and CD32. The Remus...
Forum: support.Hardware 09 June 2021, 01:44
Replies: 23
Views: 1,147
Posted By SpeedGeek
Please do not confuse the CPU address with the...

Please do not confuse the CPU address with the ROM address. :rolleyes

The CPU address starts with A1 but the ROM address starts with A0! The end result is a 1 bit offset on 16 bit ROMs and a 2 bit...
Forum: support.Hardware 09 June 2021, 00:33
Replies: 23
Views: 1,147
Posted By SpeedGeek
The schematic shows an A19 connection on U6 pin 1...

The schematic shows an A19 connection on U6 pin 1 (so Commodore got it right this time). :D

Another test, I forgot to mention is the mirror image read test. You simply plug in the stock 512KB ROM...
Forum: support.Hardware 08 June 2021, 19:10
Replies: 23
Views: 1,147
Posted By SpeedGeek
If your pretty confident that your 1MB ROM was...

If your pretty confident that your 1MB ROM was built correctly, then it's back to a hardware problem (again). :rolleyes

Try to find the A500+ schematic and determine if pin 1 of the 42 pin ROM...
Forum: Coders. General 08 June 2021, 15:50
Replies: 495
Views: 43,541
Posted By SpeedGeek
Within the limits of "Natural" off-topic...

Within the limits of "Natural" off-topic discussion (and this thread is already pushing those limits), IMO the 68030 Write-Allocate mode is certainly required for Supervisor mode compatibility.
...
Forum: support.Apps 08 June 2021, 14:23
Replies: 14
Views: 2,355
Posted By SpeedGeek
Finally, someone who can RTFM and use simple...

Finally, someone who can RTFM and use simple logical steps to solve a problem. Good work! :great



Unfortunately, the AIBB distribution license makes no exceptions for any user's technical...
Forum: support.Hardware 08 June 2021, 14:10
Replies: 23
Views: 1,147
Posted By SpeedGeek
It appears that you need no jumper wire or bent...

It appears that you need no jumper wire or bent pins for the A500+. Your problem is then most likely an incorrectly built 1MB ROM. ;)
Forum: support.Hardware 08 June 2021, 02:47
Replies: 23
Views: 1,147
Posted By SpeedGeek
Well, the A500 needs a jumper wire (only 1 wire...

Well, the A500 needs a jumper wire (only 1 wire is actually needed for the
27C800) but the A500+?:

https://leblogdecosmos.blogspot.com/2010/03/kickstart-1mo-a500-i.html
...
Forum: Coders. System 07 June 2021, 21:26
Replies: 17
Views: 11,791
Posted By SpeedGeek
** 7TH NEWS UPDATE ** CMQ&B040 2.3 released!...

** 7TH NEWS UPDATE **

CMQ&B040 2.3 released!

v2.3 minor change
- Changed address register longword math to word math for the
Smart buffer copy loop. This is a small optimization but we always...
Forum: support.Apps 05 June 2021, 15:30
Replies: 14
Views: 2,355
Posted By SpeedGeek
Lightbulb Unofficial AIBB v6.8 patch

Unofficial AIBB Version 6.8 patch
© SpeedGeek 2021

INTRODUCTION:
This an update to the previous AIBB v6.7 patch. It has
some new code to report the CPU Revision when a 68060
is...
Forum: support.Apps 04 June 2021, 23:22
Replies: 17
Views: 5,333
Posted By SpeedGeek
There are 2 links posted on the AIBB v6.6 patch...

There are 2 links posted on the AIBB v6.6 patch thread. However, it appears the amiga.resource.cx link is not working at the moment:

https://eab.abime.net/showthread.php?t=85829

P.S. As long...
Forum: Coders. General 01 June 2021, 14:29
Replies: 495
Views: 43,541
Posted By SpeedGeek
@Thread Ok, I think this discussion...

@Thread

Ok, I think this discussion regarding litwr's ban, which is in fact off-topic here, has gone far enough. Now, I'm going to quote the EAB rules for you before taking any moderator actions...
Forum: Coders. General 31 May 2021, 20:21
Replies: 495
Views: 43,541
Posted By SpeedGeek
litwr was banned for 2 weeks. It...

litwr was banned for 2 weeks.




It would appear that, some other members could learn something from you (e.g. there is sometimes an alternative to reporting posts). ;)
Forum: Coders. Asm / Hardware 29 May 2021, 18:56
Replies: 16
Views: 1,856
Posted By SpeedGeek
@thread I have edited this threads title...

@thread

I have edited this threads title because A500's don't have the monopoly on trackloaders... and hopefully, that's not such a big surprise. ;)
Forum: Hardware mods 26 May 2021, 22:36
Replies: 8
Views: 2,929
Posted By SpeedGeek
You forgot to mention the timer functions which...

You forgot to mention the timer functions which are the hardware component of timer.device. There is also an interrupt control register. So, there is active use of the 8520's even when the I/O or...
Forum: support.Apps 23 May 2021, 17:52
Replies: 17
Views: 5,333
Posted By SpeedGeek
** NEWS UPDATE ** This update is required to...

** NEWS UPDATE **

This update is required to support the v6.6 bug fix version.
However, this update does NOT fix this bug. It simply
applies the v6.7 update to the bug fix version. There is no...
Forum: support.Apps 23 May 2021, 17:48
Replies: 21
Views: 8,233
Posted By SpeedGeek
** NEWS UPDATE ** Fixed a rarely occurring...

** NEWS UPDATE **

Fixed a rarely occurring address computation bug (Assembler
defaulted to word math) which could cause 68020-040 systems
to crash. There is no AIBB version change for this bug...
Forum: Coders. System 23 May 2021, 12:56
Replies: 12
Views: 8,405
Posted By SpeedGeek
IIRC your question was answered on the Amibay...

IIRC your question was answered on the Amibay A2091 14MHz thread last year. The same answer applies here. The only reasons you would use this C= v7.0 ROM patch are:

1) To enable synchronous mode,...
Forum: support.Hardware 22 May 2021, 19:51
Replies: 10
Views: 815
Posted By SpeedGeek
The reason for this A3000 to A4000 functional...

The reason for this A3000 to A4000 functional difference is in the scsi.device. The A3000 scsi.device uses the battmem for Synchronous and SCSI timeout options. But the A4000 scsi.device has no use...
Forum: Hardware mods 19 May 2021, 23:44
Replies: 104
Views: 16,224
Posted By SpeedGeek
Ok, so it doesn't change the fact that your point...

Ok, so it doesn't change the fact that your point was still pointless. This instruction has no practical use on an 030, and that's the only point worth making.
Forum: Hardware mods 19 May 2021, 14:51
Replies: 104
Views: 16,224
Posted By SpeedGeek
Move16 can only offer a practical performance...

Move16 can only offer a practical performance benefit with the Copyback cache. The 68030 uses a write-through cache. Move16 requires the source and destination addresses to have 16 byte alignment.
...
Forum: Coders. System 12 May 2021, 13:54
Replies: 17
Views: 11,791
Posted By SpeedGeek
** 6TH NEWS UPDATE ** CMQ&B040 2.2 released!...

** 6TH NEWS UPDATE **

CMQ&B040 2.2 released!

v2.2 minor change
- Removed "Move16 Bug" detection code. This was a blunder due to
Ax = Ay meaning the same registers rather than the same...
Forum: Hardware mods 27 April 2021, 14:32
Replies: 76
Views: 23,627
Posted By SpeedGeek
The most common problems (reported by users) are...

The most common problems (reported by users) are GAL programming problems and pin contact problems. In particular, SMD PLCC sockets are known to have reliability problems. Not all of the new GALs are...
Forum: Coders. System 26 April 2021, 14:10
Replies: 17
Views: 11,791
Posted By SpeedGeek
** 5TH NEWS UPDATE ** CMQ&B040 2.1...

** 5TH NEWS UPDATE **

CMQ&B040 2.1 released!

v2.1 Many changes
- Fixed a rarely occurring stack size bug when the stack was word
aligned and offset by one word from a 16 byte aligned...
Forum: Coders. General 26 April 2021, 03:35
Replies: 107
Views: 16,000
Posted By SpeedGeek
For someone who claims to like the Amiga very...

For someone who claims to like the Amiga very much, you continue to find a lot of details about the Amiga which you clearly don't like. Your comparison of Amiga OS with the Atari ST OS is really not...
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