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SID playing on the Catweasel MkIV
Quite a regular
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Hi everybody,

I've just finished a very very early preliminary not complete Pre-Alpha version of a SID player for the Catweasel Mk4!
If anybody has any comments please email them to me (ian.gledhill@btinternit.com but it's internEt not nIt).

On the plus side, it now more or less works. PSID files work better than RSID, as you'd expect, but RSID files usually do a fair rendition.
You'll find many SID files don't work properly, I'd imagine, but the ones that do will have that true SID sound (as it's a real SID!).
It's inefficient at the moment - just building the Catweasel FIFO each 1/50th or 1/60 of a second. Therefore you'll notice the tune slow down when it can't get the data fast enough.
You'll need the catweasel.device, catweaselsid.device and the executable "tinysid". It's actually a very heavily modified version of the Linux version of tinysid, hence the executable name (that'll change as it becomes less and less like tinysid).

Any comments by email or on this thread would be awesome. Enjoy!

Please note you need to set the stack size high before running the tinysid program - I use 2048000.

http://www.retroreview.com/iang/Catweasel/catweasel_tinysid.lha

--
Ian Gledhill
ian.gledhill@btinternit.com (except it should be internEt of course...!)
Check out my company's shop: http://www.mutant-caterpillar.co.uk/shop/ - specialising in Sinclair Spectrums but will be adding Amigas!
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Re: SID playing on the Catweasel MkIV
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Ian, very good! It's the wee hours here and I am just getting home, but tomorrow if I can I will test this on my X1000 with CatWeasel Mark IV and its pair of SID chips. I'll let you know how I make out.

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Re: SID playing on the Catweasel MkIV
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New version:

http://www.retroreview.com/iang/Catwe ... catweaselsid_20130630.lha

Now much better handling of files, better support for SIDs, and no longer slows down when the CPU gets busy! Using OWB on my Sam440ep and it's playing Cybernoid II theme without skipping a beat. Nice. :)

--
Ian Gledhill
ian.gledhill@btinternit.com (except it should be internEt of course...!)
Check out my company's shop: http://www.mutant-caterpillar.co.uk/shop/ - specialising in Sinclair Spectrums but will be adding Amigas!
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Re: SID playing on the Catweasel MkIV
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great to see you improving the CW SID support Ian ! I unfortunately can't test this time as I ended up taking my SIDS out of my CW as my original breadbin 64 was crying for them back

_______________________________
c64-dual sids, A1000, A1200-060@50, A4000-CSMKIII
Indivision AGA & Catweasel MK4+= Amazing
! My Master Miggies-Amiga1000 & AmigaONE X1000 !
mancave-ramblings

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Re: SID playing on the Catweasel MkIV
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Ian, tested and works here, although I do hear some distortion in some of the tunes I tried. Also, booting my X1000 with the supplied catweasel.device in devs: causes a guru. I went back to my previous catweasel.device version 1.9 and no more gurus.

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Re: SID playing on the Catweasel MkIV
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Can you try
www.retroreview.com/iang/Catweasel/catweasel_20130701.lha please?

It's just my current versions of catweasel.device and catweaselsid.device, along with the current prefs program.
If you could let me know if this works better (with catweaselsid AND the disk drives) that'd be great!

--
Ian Gledhill
ian.gledhill@btinternit.com (except it should be internEt of course...!)
Check out my company's shop: http://www.mutant-caterpillar.co.uk/shop/ - specialising in Sinclair Spectrums but will be adding Amigas!
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Re: SID playing on the Catweasel MkIV
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@spirantho

Nice

Need to switch the CW to the X, as soon as i have bought some time for that i'll surely try it out.

Thank you very much for the ongoing development

People are dying.
Entire ecosystems are collapsing.
We are in the beginning of a mass extinction.
And all you can talk about is money and fairytales of eternal economic growth.
How dare you!
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Re: SID playing on the Catweasel MkIV
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Ian, sorry for the delay before I could run the test. Just installed your latest stuff from the archive linked above.

Booting the X1000 results in the following Grim Reaper dialogue box before Workbench is fully up. It's on "Workbench Screen" but the screen is white with no icons. The text...

Guru Meditation: 80000003
Task 0x6220ec80 ("DF0/FastFileSystem 53.2 ")
generated an error of type DSI (Data Storage Interrupt)
on address 0x7fdaeadc
Redzone was not damanged
Stackpointer is inside bounds

There is one 3.5-inch floppy drive connected and DF0: dosdriver mounted.

Reverted to previoys catweasel.device v1.9 gets rid of the Grim Reaper at boot.

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Re: SID playing on the Catweasel MkIV
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Quote:

Please note you need to set the stack size high before running the tinysid program - I use 2048000.

You might want to check out Controlling Application Stack on the wiki...

ExecSG Team Lead
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Re: SID playing on the Catweasel MkIV
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Did you try using the Prefs program to save the settings again? They've changed since 1.9... they're supposed to be compatible but I may have made a mistake as it was a long time ago that 1.9 was latest.

@ssolie
Thanks, will do :)

--
Ian Gledhill
ian.gledhill@btinternit.com (except it should be internEt of course...!)
Check out my company's shop: http://www.mutant-caterpillar.co.uk/shop/ - specialising in Sinclair Spectrums but will be adding Amigas!
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Re: SID playing on the Catweasel MkIV
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Ian, that seemed to do the trick. I also removed DF0: from dosdrivers and later after a reboot added it back. Not sure if that helped or not, but booting without the error and access to 880K floppies is working via DF0:. I have only re-tested read access so far.

I did call up CatWeasel prefs editor and am able to play SID test tones for both chips. However, when i SAVE settings I get this error...

touch: Unknown command
touch failed returncode 10

What is this "thouch" all about? Am I missing a command?

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Re: SID playing on the Catweasel MkIV
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"touch" is a command to change the "last edited" date of the specified files to NOW.

It is especially useful to developers to force make to recompile a file.

But all I know about "Sid" is that he is the Science Kid. :)


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Re: SID playing on the Catweasel MkIV
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Quote:

mbrantley wrote:
Ian, sorry for the delay before I could run the test. Just installed your latest stuff from the archive linked above.

Guru Meditation: 80000003
Task 0x6220ec80 ("DF0/FastFileSystem 53.2 ")
generated an error of type DSI (Data Storage Interrupt)
on address 0x7fdaeadc
Redzone was not damanged
Stackpointer is inside bounds



Same here... You'll need the 68k touch command of aminet too.

A1XE, A1200T, X1000, X5020, CDTV, CD32 , A500+ A500
OS4.1b / OS3.2b
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Re: SID playing on the Catweasel MkIV
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@mbrantley

Libraries and devices stay in memory until the open lib/dev count is zero, it's important to restart your computer to make shore the devices and libraries are reloaded.
I guess you automount the CW4 MK4 devices at boot.

(NutsAboutAmiga)

Basilisk II for AmigaOS4
AmigaInputAnywhere
Excalibur
and other tools and apps.
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Re: SID playing on the Catweasel MkIV
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@Jurassicc

"Touch" command does nothing but update the date and time on the file, it will not help.

"Touch" is used when you compile a program, if you setup you C compiler correct in the Makefiles, you can get it to compile only the parts where the source code is newer then executable (or object files), sometimes this source codes include other files like .h or .i files that you have modified, and so you need to trick makefile system by updating the date and time on the source code, (this can also be resolved by listing all dependencies in the makefile, but sometimes you don't want to do that.)

You can also force it to recompile the executable or object files by deleting the executable or object files, this normally done by "make clean"

(NutsAboutAmiga)

Basilisk II for AmigaOS4
AmigaInputAnywhere
Excalibur
and other tools and apps.
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Re: SID playing on the Catweasel MkIV
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Quote:

LiveForIt wrote:
@Jurassicc

"Touch" command does nothing but update the date and time on the file, it will not help.


It wont help with his DSI but it is required because the catweasel prefs program verbosely complains if it is not in the path.

A1XE, A1200T, X1000, X5020, CDTV, CD32 , A500+ A500
OS4.1b / OS3.2b
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Re: SID playing on the Catweasel MkIV
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You don't actually need the Touch command - but without it you need to reboot.

The reason for this is that when the catweasel.device is loaded into memory, it reads the prefs file. This tells the driver what kinds of drives are attached and all that.
When you change the prefs, it alters the catweasel.prefs file, but the catweasel.device doesn't know that it's been changed. The Touch command is used by the prefs program to alter the modified date of catweasel.device, forcing it to expunge from memory and be reloaded (thereby reloading the prefs). Without it, the prefs change will be ignored until reboot.

There may be an easier way of doing it, but this works. :)

--
Ian Gledhill
ian.gledhill@btinternit.com (except it should be internEt of course...!)
Check out my company's shop: http://www.mutant-caterpillar.co.uk/shop/ - specialising in Sinclair Spectrums but will be adding Amigas!
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Re: SID playing on the Catweasel MkIV
Amigans Defender
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Quote:

There may be an easier way of doing it, but this works.

You might want to check out DOS Notification on the wiki. This is how the system preferences work by setting up notification on the various prefs files.

Note dos.library has universal notification built-in now so it will work no matter what file system is underneath. See the DOS autodocs for more info.

Finally, you can view what notifications are setup using Ranger. Makes it much easier to test things.

ExecSG Team Lead
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Re: SID playing on the Catweasel MkIV
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In the meantime, I did grab "touch" off Aminent just so Catweasel prefs editor will stop squawking at me. Heh heh. ;)

Looking forward to watching more development of the SID player, Ian. Great going!

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Re: SID playing on the Catweasel MkIV
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@Spirantho

Is tinysid supposed to play through the audio cable or is it a program like PlayCD that doesn't need additional hardware to play back?

Not sure if HDAudio reads from CDIN on the NEMO already?

People are dying.
Entire ecosystems are collapsing.
We are in the beginning of a mass extinction.
And all you can talk about is money and fairytales of eternal economic growth.
How dare you!
– Greta Thunberg
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