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Forum: Coders. C/C++ 23 January 2022, 13:46
Replies: 3
Views: 221
Posted By phx
There are multiple problems. MemWatch seems very...

There are multiple problems. MemWatch seems very SAS/C-specific. You have to port the whole project to vbcc first. The included memwatch.lib also only works with SAS/C.

What I spotted immediately:...
Forum: Coders. Blitz Basic 22 January 2022, 14:12
Replies: 7
Views: 404
Posted By phx
What is your reason for detecting a floppy disk? ...

What is your reason for detecting a floppy disk?
The 1760 blocks assumption will certainly fail for a ramdrive.device disk (RAD:) of the same size or for a High Density floppy disk.

Maybe it's...
Forum: support.Games 21 January 2022, 13:01
Replies: 24
Views: 1,305
Posted By phx
Depending on the Quake version being played I...

Depending on the Quake version being played I cannot believe that patching math libraries does make much of a difference. Most versions use hand optimized assembler code for the most important...
Forum: Coders. C/C++ 04 January 2022, 16:21
Replies: 33
Views: 1,446
Posted By phx
Indeed! Completely forgot about it. :great

Indeed! Completely forgot about it. :great
Forum: Coders. C/C++ 04 January 2022, 15:48
Replies: 33
Views: 1,446
Posted By phx
The m68k has no instruction to transfer the IEEE...

The m68k has no instruction to transfer the IEEE single precision value from an FPU register directly into a data register. fmove to Dn always means convert to integer.

So, as Thomas correctly...
Forum: Coders. Releases 01 January 2022, 13:27
Replies: 163
Views: 60,518
Posted By phx
Not sure what you did there. In the first line...

Not sure what you did there. In the first line you showed that assembling ptplayer.asm definitely works. Then later you compile a C source and it fails? There is also no MOVEC in ptplayer.asm.

As...
Forum: Coders. Asm / Hardware 01 January 2022, 13:16
Replies: 7
Views: 919
Posted By phx
I agree completely to both points! :great On...

I agree completely to both points! :great

On the other hand, I am of course willing to help, when there should be a problem with vasm. Looking at it, I didn't really understand what the problem is.
Forum: Retrogaming General Discussion 30 December 2021, 15:12
Replies: 4,688
Views: 1,123,713
Posted By phx
Another DCS player! By far the best military...

Another DCS player! By far the best military flight simulator. I'm also flying a lot - mainly the F-16 and the free A-4e. I still lose visibility to enemy planes in a dogfight too often.

Yesterday...
Forum: Coders. Releases 28 December 2021, 20:31
Replies: 8
Views: 1,321
Posted By phx
Enough. :) A few weeks at least...

Enough. :)
A few weeks at least...
Forum: Coders. Releases 28 December 2021, 14:12
Replies: 8
Views: 1,321
Posted By phx
Here is the latest vbcc source. Last change was...

Here is the latest vbcc source. Last change was 18th of December. It's the same which was used to build the Amiga binaries:
http://sun.hasenbraten.de/~frank/TEST/vbcc.tar.gz...
Forum: Coders. Asm / Hardware 27 December 2021, 15:03
Replies: 19
Views: 1,603
Posted By phx
Nice! But as far as I understood it does...

Nice!
But as far as I understood it does neither run an F6 test sequence yet, nor disables superscalar in any situation?
Forum: Coders. Asm / Hardware 26 December 2021, 22:17
Replies: 19
Views: 1,603
Posted By phx
My bad memory. Indeed. Thomas already...

My bad memory.

Indeed. Thomas already mentioned that.

Ok. As expected.

How do you know? The errata only mentions mask sets, but no revisions.
Forum: Coders. Releases 26 December 2021, 22:08
Replies: 8
Views: 1,321
Posted By phx
Should be no problem, but I want to discuss that...

Should be no problem, but I want to discuss that with Volker first (he has a link to the source from March on his own page).
If you can't wait, just write me a mail and you get it.
Forum: Coders. Releases 26 December 2021, 15:10
Replies: 8
Views: 1,321
Posted By phx
Ok, here are the promised links for the beta. I...

Ok, here are the promised links for the beta. I had to delay it, because I was hunting a bug over the last days which turned out being a known 68060 errata in the end.

Some binaries:...
Forum: Coders. Asm / Hardware 26 December 2021, 03:09
Replies: 19
Views: 1,603
Posted By phx
Ok, thanks. Seems I already forgot most of the...

Ok, thanks.
Seems I already forgot most of the errata again.
Forum: Coders. Asm / Hardware 25 December 2021, 23:49
Replies: 19
Views: 1,603
Posted By phx
Maybe the first revision is called rev. 0? When I...

Maybe the first revision is called rev. 0? When I boot NetBSD then it prints "68060 rev.1" with my PCR from above.

If you really have some time, drop me a mail and I will send you the executable...
Forum: Coders. Asm / Hardware 25 December 2021, 15:48
Replies: 19
Views: 1,603
Posted By phx
I just made some tests by compiling the BYTEmark...

I just made some tests by compiling the BYTEmark '95 with identical settings. It is not minimal. Disabling superscalar has unfortunately a noticeable impact. :(

With Superscalar enabled:
BYTEmark...
Forum: Coders. Asm / Hardware 25 December 2021, 12:51
Replies: 19
Views: 1,603
Posted By phx
Agreed. At least when running compiler...

Agreed. At least when running compiler testsuites, to avoid spending days on hunting ghosts. :p

One moment... the load-store-buffer bypass is a completely different issue, only present on rev.5...
Forum: Coders. Asm / Hardware 24 December 2021, 23:38
Replies: 19
Views: 1,603
Posted By phx
Just tried it. FNOP seems to have the same...

Just tried it. FNOP seems to have the same positive effect as NOP.
Forum: Coders. Asm / Hardware 24 December 2021, 23:30
Replies: 19
Views: 1,603
Posted By phx
I downloaded the errata now, and you are...

I downloaded the errata now, and you are absolutely correct! The full sequence is indeed matching F6:

fmul.x fp1,fp4
move.l (8+l691,a7),a1
move.l (88+l691,a7),a0
...
Forum: Coders. Asm / Hardware 24 December 2021, 16:27
Replies: 19
Views: 1,603
Posted By phx
68060 Rev.1 Superscalar bug?

The last days I was debugging a wrong FPU result, which became correct as soon as I single-stepped it with BDebug (real A3000, CSPPC-060).

Today I had the idea that it might be a superscalar issue...
Forum: Nostalgia & memories 24 December 2021, 13:05
Replies: 46
Views: 3,444
Posted By phx
Hi jPV! I'm happy to read from somebody who has a...

Hi jPV! I'm happy to read from somebody who has a similar story like me, and also didn't give up on Amiga about all these years! Nice! :great


1. What systems/OS's did you start with?
ViC-20...
Forum: Coders. Blitz Basic 14 December 2021, 18:23
Replies: 137
Views: 41,482
Posted By phx
Not sure if that helps Zener, because he was...

Not sure if that helps Zener, because he was asking for Blitz Basic. Otherwise I would have replied earlier. :)


I don't understand. _mt_stopfx stops the looped sfx, so which loop do you want to...
Forum: News 10 December 2021, 17:09
Replies: 89
Views: 9,452
Posted By phx
Don't ask me. I don't need it. I only...

Don't ask me. I don't need it.

I only replied to your plan to use ARM-code under AmigaOS and predicted that it will have no success. Don't know what your problem is.
Forum: News 10 December 2021, 14:29
Replies: 89
Views: 9,452
Posted By phx
Then it would fail like WarpOS did, and like...

Then it would fail like WarpOS did, and like MorphOS did, and like OS4 did, and like AROS did. The only difference is that repeating these mistakes with a new architecture will even fail earlier now,...
Forum: Coders. Releases 10 December 2021, 12:45
Replies: 8
Views: 1,321
Posted By phx
Upcoming vbcc 0.9h release

You know I hate such announcements, to keep the pressure away from our
developments, but we really would like to do the next vbcc release during the following weeks.

As those stable releases only...
Forum: Retrogaming General Discussion 08 December 2021, 22:35
Replies: 28
Views: 2,706
Posted By phx
:shocked Why put it on a table? You have to...

:shocked
Why put it on a table? You have to hold it in your hands!
Unless it is an oversized flight stick (like this Quickshot crap), which is nonsense for most games.
Forum: Retrogaming General Discussion 05 December 2021, 21:41
Replies: 39
Views: 2,576
Posted By phx
Huh? There may be reasons for multiple buttons,...

Huh? There may be reasons for multiple buttons, for example in a Brawler game, but certainly not for jumping and firing. Most precise jumping can be done with joystick-up as you don't have to...
Forum: Coders. Asm / Hardware 22 November 2021, 11:56
Replies: 24
Views: 2,708
Posted By phx
He mentioned that he has taken over the system....

He mentioned that he has taken over the system. Probably he even uses some trackloader for the code. So you have to do relocation yourself to support different Fast RAM expansions. At least this is...
Forum: Nostalgia & memories 20 November 2021, 18:04
Replies: 21
Views: 2,102
Posted By phx
I keep all the old disks for nostalgia reasons as...

I keep all the old disks for nostalgia reasons as well.
And also for new projects. How else would you test new games on your real hardware? I never saw a need for Gotek and I certainly wouldn't want...
Forum: Coders. Asm / Hardware 20 November 2021, 15:21
Replies: 24
Views: 2,708
Posted By phx
Maybe you cannot even call Supervisor() after a...

Maybe you cannot even call Supervisor() after a complete system takeover. At least it is not advisable. Or did you leave the OS structure intact?
BTW, CacheClearU() doesn't help when you intend to...
Forum: Coders. Blitz Basic 16 November 2021, 02:16
Replies: 18
Views: 1,993
Posted By phx
Hmm... :confused I don't see any reason to...

Hmm... :confused

I don't see any reason to make it an executable file, but there is also no reason why it shouldn't assemble.

I have no experience with Blitz Basic, so I don't know what kind...
Forum: Coders. Blitz Basic 15 November 2021, 21:05
Replies: 18
Views: 1,993
Posted By phx
Yes, there are some new features in it. ...

Yes, there are some new features in it.

There shouldn't be any PhxAss-dependency in the source.
Blitz Basic requires object files in a.out format, not hunk-format?
Forum: Retrogaming General Discussion 11 November 2021, 16:21
Replies: 81
Views: 5,275
Posted By phx
It's interesting that the dominant home computing...

It's interesting that the dominant home computing system during the 80s and 90s was always also based on the country you're living it. In Germany the Speccy was nearly non-existent.

In Britain the...
Forum: Coders. Blitz Basic 11 November 2021, 12:27
Replies: 18
Views: 1,993
Posted By phx
Ok, as expected VBR is just assumed to be NULL....

Ok, as expected VBR is just assumed to be NULL. The following preamble was added by idrougge to the _mt_install_cia function in ptplayer.asm for Blitz support:

movem.l a3-a6,-(sp)
...
Forum: Retrogaming General Discussion 09 November 2021, 17:45
Replies: 81
Views: 5,275
Posted By phx
Not sure whether the 68008 qualifies as an 8-bit...

Not sure whether the 68008 qualifies as an 8-bit CPU. ;)

The best 8-bit CPU for me is the 6809. But unfortunately it was always implemented with mediocre hardware (gaming-wise).
Forum: Coders. C/C++ 08 November 2021, 23:20
Replies: 12
Views: 1,593
Posted By phx
:great

:great
Forum: Coders. General 07 November 2021, 02:21
Replies: 16
Views: 1,454
Posted By phx
As I already mentioned, GNU-as doesn't understand...

As I already mentioned, GNU-as doesn't understand Motorola-syntax directives.

Without the section directives everything is written into the .text section. Not necessarily what you want.

This....
Forum: Coders. General 05 November 2021, 12:33
Replies: 16
Views: 1,454
Posted By phx
Full compatibility doesn't work. AFAIK, later gcc...

Full compatibility doesn't work. AFAIK, later gcc versions can emit most instructions and adressing modes following the Motorola syntax (except for differences like "mov", "movm" or "jra"), but the...
Forum: Coders. Scripting 31 October 2021, 12:20
Replies: 9
Views: 1,453
Posted By phx
Yes, that's possible, and I should have mentioned...

Yes, that's possible, and I should have mentioned it. When your current user name on the Amiga doesn't match the login-name on the Pi you have to specify it.

As there is no concept of user names...
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