Updated ST Core?

Total Eclipse · Post by **Total Eclipse** » Fri Feb 22, 2019 11:38 am

Is anyone making plans to update the ST core using ijor's updated 68000 code?

Will that increase compatibility to the point that timing accurate code (I'm really thinking demos here) will run, or does the other logic in the ST Core also need to be updated?

Once my MiST can run The Cuddly Demo's, I'll be a happy chappie.

vebxenon · Post by **vebxenon** » Sun Feb 24, 2019 12:14 pm

It would be great

jamesrc · Post by **jamesrc** » Mon Apr 01, 2019 6:25 pm

As everyone donates their time for free, I hope this will happen, and if it does I figure it will happen when it happens.

If my MiST can be a cycle accurate ST/STe, I'll be over the moon. My actual ST isn't set up right now for reasons of space, but my MiST has a dedicated spot in my home office.

My fingers have been crossed for a while.

slingshot · Post by **slingshot** » Mon Apr 01, 2019 9:02 pm

Well, testers are welcome. Especially MIDI/ethernec/external serial/parallel ports, which I don't have the hardware for (if you can compile yourself only, no binary release yet, still lots of issues):
https://github.com/gyurco/mist-board/tr ... xperiments

jamesrc · Post by **jamesrc** » Mon Apr 01, 2019 9:55 pm

slingshot wrote:Well, testers are welcome. Especially MIDI/ethernec/external serial/parallel ports, which I don't have the hardware for (if you can compile yourself only, no binary release yet, still lots of issues):
https://github.com/gyurco/mist-board/tr ... xperiments

Sadly, I don't have any of this hardware either, but if I can figure out how to compile it, I'd give it a whirl.

The mere fact that you are working on this project is tremendous news to me, and if there's any way to donate to the project then I will chip in post haste.

Total Eclipse · Post by **Total Eclipse** » Wed Apr 03, 2019 3:42 pm

Slingshot, this is fantastic news.

I'm not in a position to compile anything to test, so will have to wait for the binaries to emerge, but I'm so pleased that you're working on this.

slingshot · Post by **slingshot** » Wed Apr 03, 2019 4:52 pm

It's not that bad now.

CPU and Memory speeds are correct (fast DMA is no problem):

Photo0037.jpg

Spectrum512 image:

Photo0038.jpg

fury23 · Post by **fury23** » Wed Apr 03, 2019 6:14 pm

slingshot wrote:It's not that bad now.

Wooooooow, excellent!!!

DrOG · Post by **DrOG** » Thu Apr 04, 2019 3:26 am

Amazing!!!

RealLarry · Post by **RealLarry** » Thu Apr 04, 2019 5:53 am

slingshot wrote:Well, testers are welcome. Especially MIDI/ethernec/external serial/parallel ports, which I don't have the hardware for (if you can compile yourself only, no binary release yet, still lots of issues):
https://github.com/gyurco/mist-board/tr ... xperiments

I own all these ports and neccessary tools and I'm willing to start some tests at coming weekend. Are there specific options to enable before compiling or are all these great options enabled by default?
Anyway, here is a binary I just compiled for all testers who aren't able to compile the core by itself.

DanyPPC · Post by **DanyPPC** » Thu Apr 04, 2019 6:21 am

Thanks, I will test it.

slingshot · Post by **slingshot** » Thu Apr 04, 2019 8:23 am

RealLarry wrote:I own all these ports and neccessary tools and I'm willing to start some tests at coming weekend. Are there specific options to enable before compiling or are all these great options enabled by default?
.

Nothing, should work from the git repo.

RealLarry · Post by **RealLarry** » Thu Apr 04, 2019 9:04 am

slingshot wrote:
RealLarry wrote:I own all these ports and neccessary tools and I'm willing to start some tests at coming weekend. Are there specific options to enable before compiling or are all these great options enabled by default?
.
Nothing, should work from the git repo.

Yeah, thanks, found this set to default in user_io.v meanwhile

I'm just listening to some MIDI files via real MIDI out. Setup is TOS 1.62 on STeroids, Cubase Lite from A: and MIDI device is a Casio GZ-50M. Working as normal. Wonderful listening...

slingshot · Post by **slingshot** » Thu Apr 04, 2019 9:45 am

RealLarry wrote: I'm just listening to some MIDI files via real MIDI out. Setup is TOS 1.62 on STeroids, Cubase Lite from A: and MIDI device is a Casio GZ-50M. Working as normal. Wonderful listening...

Great! It would be wise to test in normal mode, not STEroids, e.g. see the beauty of cycle-accurancy in some places now. And STEroid mode is severely reduced in this version, it's only a 16MHz CPU, nothing more (same as enabling 16MHz for Mega STE).

RealLarry · Post by **RealLarry** » Thu Apr 04, 2019 12:39 pm

slingshot wrote:
RealLarry wrote: I'm just listening to some MIDI files via real MIDI out. Setup is TOS 1.62 on STeroids, Cubase Lite from A: and MIDI device is a Casio GZ-50M. Working as normal. Wonderful listening...
Great! It would be wise to test in normal mode, not STEroids, e.g. see the beauty of cycle-accurancy in some places now. And STEroid mode is severely reduced in this version, it's only a 16MHz CPU, nothing more (same as enabling 16MHz for Mega STE).

Aye, Sir! Repeated the MIDI session as ST, STE and MegaSTE but everywhere the same wonderful sound and no interruptions, lockups etc

Next will be serial function. You were speaking of external serial and parallel ports. Do you mean the emulation of serial and parallel ports (MiST->USB cable->PC) or real ones, like usb2serial converters and usb2iee1284 (centronics interface)?

RealLarry · Post by **RealLarry** » Thu Apr 04, 2019 12:45 pm

Oh, dammit, just tried a usb2serial->nullmodem->PC w/ RS232 and it just works. Nice! Will try to up- and download more MIDI files by ZMODEM now.

slingshot · Post by **slingshot** » Thu Apr 04, 2019 12:46 pm

RealLarry wrote:
Next will be serial function. You were speaking of external serial and parallel ports. Do you mean the emulation of serial and parallel ports (MiST->USB cable->PC) or real ones, like usb2serial converters and usb2iee1284 (centronics interface)?

I'm not sure how the MiST firmware handles them, they're surely USB. Probably a normal usb->rs232 and usb2iee1248.

slingshot · Post by **slingshot** » Thu Apr 04, 2019 12:48 pm

RealLarry wrote:Oh, dammit, just tried a usb2serial->nullmodem->PC w/ RS232 and it just works. Nice! Will try to up- and download more MIDI files by ZMODEM now.

Wow! Then ACIA is OK

RealLarry · Post by **RealLarry** » Thu Apr 04, 2019 1:42 pm

slingshot wrote:
RealLarry wrote:Oh, dammit, just tried a usb2serial->nullmodem->PC w/ RS232 and it just works. Nice! Will try to up- and download more MIDI files by ZMODEM now.
Wow! Then ACIA is OK

Congrats! Seems to be stable. Just uploaded a 2.5MB ZIP file which takes 20 minutes at 19.200 baud to finish...boooooring!

Tip: Don't use any flow control as it breaks the data flow.
BTW: Is there any way to set up higher serial speeds at the ST (core)? The max I could set is 19.200

RealLarry · Post by **RealLarry** » Thu Apr 04, 2019 4:07 pm

Next try was to print via an usb2iee1248 cable, which didn't worked, sadly. Cable is ok as I can print w/o problems with my linux desktop.
Printer is a HP5 compatible with a centronics interface and is still working with my TT since years.

Tested some hours with Ethernec also, but Alas I couldn't get it to run. But this seems to be a general problem as this DLINK E100 device has worked months ago. Tried with core_181017 also but didn't work either. I can setup the device with STING (taken from net.st) but no ping possible.

jamesrc · Post by **jamesrc** » Thu Apr 04, 2019 7:16 pm

Holy wow, am I excited by all this progress.

In fact, I just ordered a Sony PVM for my MiST. I will now dream of the day that Obsession runs...

Just from the screenshots and what others are saying: This is stellar. Thank you so, SO much for this.

farvardin · Post by **farvardin** » Thu Apr 04, 2019 8:06 pm

I'm happy for this port.

Anyway, I've tried it with Synthwork and my D110, and I still can't transmit soundbanks to the synth (it halts after 91% transmission, more or less (at random)). I'll test with my original Atari ST to compare... [EDIT: with original Atari STE I can transmit with Synthwork]

Mister DID · Post by **Mister DID** » Thu Apr 04, 2019 9:08 pm

Hello,
thank you for this new ATARI ST core

jamesrc · Post by **jamesrc** » Thu Apr 04, 2019 10:51 pm

RealLarry wrote:Anyway, here is a binary I just compiled for all testers who aren't able to compile the core by itself.

Thank you!!!

jamesrc · Post by **jamesrc** » Fri Apr 05, 2019 2:02 am

Played around with the build posted by RealLarry tonight.

Nothing seems broken -- compatibility with things that I tried seems much as before, unless I'm doing something wrong. (Do I have to enable anything in particular in the mist.ini file? The options in the F12 menu are unchanged).

I didn't try any Spectrum 512 screens. I should do that.

Anyway, the fact everything seems to be working as before seems like a very good sign!

Thank you so much for this. I'm incredibly excited by what this will mean!

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