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Member Since 21 Feb 2008
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#4254471 New Dragon Ethernet cartridge interest check

Posted by sanny on Tue Apr 9, 2019 8:45 AM

I hope that both devices, despite hardware differences, would be compatible, otherwise the already limited userbase would be splitted up and coders would not be encouraged.


I don't expect them to be compatible at the hardware level (and also not to the original DragonCart), but IP65 will definitely get support for both. If ol.sc doesn't implement it, I will do...


So for existing programs a recompile/relink will probably be needed.




#4241812 cc65 news: OS structure

Posted by sanny on Wed Mar 20, 2019 4:25 PM

Edit: I like to use the opportunity to thank "sanny" - he has the doubtful privilege to review my changes targeting the Atari. Thanks for that!


Thanks :-)


I'm open to any contribution which improves the Atari (and Atari5200) support. And you did a good job!



#4223174 Mode 1+16 with different 2 color palletes

Posted by sanny on Tue Feb 19, 2019 4:12 PM

No way without DLI


Yes, but should be rather simple. Just install a DLI handler which changes the color registers. VBI will take care that in the next frame the colors will be restored for the lines before the DLI position.

#4209523 How to truest debug a CC65 code?

Posted by sanny on Wed Jan 30, 2019 6:47 PM

I *think* VICE for the CBM machines supports the debugging info generated by cc65. I've never used it, though.


So if support for the debugging info would be added to the Atari emulators (Atari800, Altirra), their debuggers could support source-level debugging of C code.


Right now you could always use "printf debugging", or add breakpoints at interesting places in the code and then continue from there (in assembly language).


What problem do you want to debug right now?




#4204599 New Dragon Ethernet cartridge interest check

Posted by sanny on Wed Jan 23, 2019 7:06 PM

I'm using TFTP to boot one of my (PPC) Macs and a Motorola M8120 and a NCD X-Terminal. TFTP is good  :)

#4203821 New Dragon Ethernet cartridge interest check

Posted by sanny on Tue Jan 22, 2019 9:16 PM

As the CEO of a former company where I was said, "we do both". So best to get both variants, cartridge and PBI version :-)

#4185212 Adaptors for db9 computers?

Posted by sanny on Thu Dec 27, 2018 4:00 PM

as C64 has less capable joystick ports at least insofar as they don't do output (that goes to keyboard).

I don't think that this is true. For port #2 at least. In the 80ies I had built an C64-Atari connection cable to transfer data btw. them. This cable connected via joystick ports (one on each system). I have lost in the meanwhile the cable, the wiring diagram, and the source code to one side (C64 prog or Atari prog, I don't know right now).



#4185146 Turning PLATOTerm Lite into 8k

Posted by sanny on Thu Dec 27, 2018 2:09 PM

@Sanny I wanted to say thank you so much for adding the necessary patches to CC65 to allow cartridge ROMs to be created. It has made a version of PLATOTerm that pretty much will work anywhere. :)


I'm just reading that now. Thank you very much.

And it feels good that somebody is actually using it and my work was not just for the ivory tower...




#4176812 Why does Jungle Hunt go left?

Posted by sanny on Fri Dec 14, 2018 6:57 AM


Who played this video? It almost hurts to watch, I was much better back then :-)  (Around '86 on vacation in Italy where the machine was in a cafe bar near the beach.)

#4165744 How many Basics do we have for the A8?

Posted by sanny on Wed Nov 28, 2018 5:32 AM


#4162236 Altirra 3.10 released

Posted by sanny on Wed Nov 21, 2018 8:39 PM

Or maybe there is the concept of "time zones" and "US holiday season", and I was busy getting out a new test release that includes a fix the UI issue you ran into, and I have no responsibility to respond to posts in order.


Sure. I understand the concept of "time zones" and I know that there is Thanksgiving in the US. I missed the part with the "modem setting handling" in your release announcement, my fault.

Didn't want to "push" you, but I feared you missed my post and just wanted to provide a kind reminder. You hadn't missed it, but I missed that you hadn't missed it... sorry

#4161294 cc65 Atari international characters

Posted by sanny on Tue Nov 20, 2018 11:42 AM

To the OP: you can copy cputs.s from the library sources to your project, modify it (remove 0x10 special handling) and compile and link it to your application. It will replace the library version of these functions.

#4160143 Altirra: how to get a "non-modem" serial connection?

Posted by sanny on Sun Nov 18, 2018 5:05 PM

@phaeron, would you consider to add a straight data connection from an 850 port to a TCP port?#
And, honestly, a connection to a real serial port on the Altirra host would be useful as well (maybe even more). One could connect real modems (ok, maybe not in 2018), serial printers, plotters, and all other weird RS232 stuff to the emulated Atari.

#4160103 Altirra: how to get a "non-modem" serial connection?

Posted by sanny on Sun Nov 18, 2018 4:08 PM



I'm running Altirra 3.10(?) (About-Help doesn't show the exact version number, I've inferred it from Help->Changelog) on Win10 which is running in a VirtualBox environment on my Linux machine.


I'm running kermit65 on the Atari and want to test some simple data transfer over the emulated RS232 line. Along the lines of typing "abc" on the Atari and see it on the other end, and vice versa.

I'm using "Full - SIO protocal and RS232 R: handler" emulation in Altirra. The TCP port used (9000) is relayed from the VBox environment to the Linux host. I'm running netcat on Linux.


I doesn't work. Nothing I type on the Atari arrives on the Linux side. When typing something on the Linux side I'm getting something sometimes, but mixed with "BELL" notifications from kermit. (Maybe my kermit settings aren't 100% correct, this could also be part of the issue).


But now an obvious problem I've noticed: In the "Modem setup" screen in the Altirra device mananger, when I unselect (or leave it unselected initially) "Emulate Telnet Protocol", close it, an open it again, it's always selected. I don't want the telnet protocol. I appears to be impossible to disable due to this problem.


The modem emulation seems to interpret some AT commands. I don't want that. I'd like to have an unprocessed data line, like when connecting two computers with a null-modem calble.


@phaeron, would you consider to add a straight data connection from an 850 port to a TCP port?




#4153673 Fun Projects for Your Atari 8-Bit Computer

Posted by sanny on Fri Nov 9, 2018 11:07 AM

I watched the "Computer Games" link of the "Computer Chronicles" page. Nice stuff. That were the times...