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Burning questions from a new ST owner


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Probably not. To use an analogy, you’re asking how well a car drives on the highway, while you haven’t confirmed you can shift the car out of park yet. One step at a time. The SidecarT does not prevent you from running a game from the original disk or running a converted game from a Gotek drive.

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27 minutes ago, danm said:

I'm asking about compt with the sidecart. If I wanted a game or program that isn't available from the sidecart web site, can I copy any random .stx / .st / .msa disk image onto it an expect it to work?

.STX no, without a doubt.

 

.ST maybe, depending on if it's a standard disk and the software obeys 'proper calls' - I'm going to tell you that many games originally do not. Stuff that has been filed and doesn't use trackloaders is more likely to work.

 

Again, the sidecart appears to be a very cool device but anything hooking calls to try and be a floppy drive is not going to actually be a floppy drive.  Whether that matters or not, is up to the individual using it.

 

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4 hours ago, danm said:

I have emailed to author of omniflop to see if he has any tips for writing ST disks from Linux without buying a greaseweazle or a drawbridge etc. Maybe there is a Linux equivalent?

I'm not a Linux expert, but Linux has built-in support for ST disks. As long as you have an old school floppy on an old school PC (which means, NOT an USB floppy drive), you don't need any special software to read standard ST disks.

 

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Posted (edited)
8 minutes ago, ijor said:

I'm not a Linux expert, but Linux has built-in support for ST disks. As long as you have an old school floppy on an old school PC (which means, NOT an USB floppy drive), you don't need any special software to read standard ST disks.

 

 

I've already got reading and writing standard ST (720K msdos format) disks under Linux working, using both USB and internal floppy drives. What I haven't had work is writing 800 Kb ST game disks from Linux but it might be my crappy disks that literally got pulled out of a bin and will likely be 30 years old etc.

 

I've got a bid on for some hopefully better quality DD disks and I've emailed the OmniFlop dev to see what he has to say.

Edited by danm
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53 minutes ago, danm said:

I've already got reading and writing standard ST (720K msdos format) disks under Linux working, using both USB and internal floppy drives. What I haven't had work is writing 800 Kb ST game disks from Linux but it might be my crappy disks that literally got pulled out of a bin and will likely be 30 years old etc.

You are probably not using the right tool. I think you need to configure the device geometry. I suggest you go to atari-forum where you will find many ST Linux experts.

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Posted (edited)

I have now got my 6 button Mega Drive controller working in both STFM joystick ports. I've added the following note to the joystick section of the Hardware hacks page of the atari-wiki ( https://www.atari-wiki.com/index.php?title=Hardware_hacks#Atari_Joystick ) but its currently waiting approval.

 

Quote

Sega Genesis / Mega Drive and Master System controllers work without modification in port 0. You can modify an Atari joystick extension cable to work with Genesis / Mega Drive controllers simply by rewiring pin 7 (+5v) to use pin 5 instead, leaving pin 7 unconnected. This works with both 3 and 6 buttons controllers but only the B fire button works.

 

I was tipped off to this hack by referencing https://en.wikipedia.org/wiki/Atari_joystick_port , I couldn't find evidence of anyone else having documented this easy hack but maybe I wasn't looking hard enough? I think it deserves to be documented on the wiki.

Edited by danm
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Posted (edited)

I would've edited my previous post but it seems this forum has a time limit for editing posts. I've adjusted my wiki addition to read:

 

Quote

Sega Genesis / Mega Drive and Master System controllers work without modification in joystick port 0. You can modify an Atari joystick extension cable to work with Genesis / Mega Drive controllers simply by rewiring pin 7 (+5v) to use pin 5 instead, leaving pin 7 unconnected on the female end of the connector. This works with both 3 and 6 buttons controllers but only the B fire button works.

 

My edit has still not been approved. I think that is enough info regarding using Sega controllers on the ST but maybe I should create a new page for it?

 

I want to add a link to the Amiga -> Atari mouse hack too but lets see if my first submission gets approved.

 

I almost rewrote the Uzebox wiki I've made so many contributions to that and I've made over 100 contributions to the Arch Linux wiki. I'm one of the very rare people who feels compelled to write documentation, it irks me when stuff isn't documented. Many github READMEs and wiki sites have benefited from my documentation OCD.

Edited by danm
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Posted (edited)

I took my keyboard to bits and put it back together again this morning and that has fixed my depressed Enter key. It still worked, as did the numpad enter key, but it was bugging me. I feel better having a more level keyboard again.

Edited by danm
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Posted (edited)

Today I ordered exxos' shifter 4 MB RAM upgrade, a SideCartridge, 20 Atari branded DD floppies and some Winbond W27C512 EEPROMs to burn TOS 1.04 onto.

Edited by danm
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Posted (edited)

I have created a new page on the Atari wiki for the Sega controller mod

 

https://www.atari-wiki.com/index.php?title=How_To_rewire_an_Atari_joystick_extension_cable_to_use_Sega_controllers

 

and I added a link to some instructions for using an Amiga mouse to the hardware hacks page:

 

https://www.atari-wiki.com/index.php?title=Hardware_hacks#Mouse_Adapters

 

I took my A600 and STFM to be re-capped and remove the RAM from the ST a couple of days ago but it could be a couple of weeks before I get them back as he only really does the repair stuff on weekends.

 

I got a reply from the Omniflop dev and he seems to think I should be OK with using dd to write .st images but my disks still haven't arrived and of course I won;t be able to test out my method (or OnniFlop) until I get my 16 bit Motoralas back.

Edited by danm
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On 7/26/2024 at 12:28 AM, danm said:

I have created a new page on the Atari wiki for the Sega controller mod

 

https://www.atari-wiki.com/index.php?title=How_To_rewire_an_Atari_joystick_extension_cable_to_use_Sega_controllers

 

 

Pretty sure you could just use a DB9 gender-changer and simply snip pin7 on the male side. You wouldn’t have 5v at all but joystick directions and buttons don’t use it anyway.

The Megadrive controller would only have 2 buttons working but that’s expected.

Edited by phoenixdownita
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Posted (edited)
2 hours ago, phoenixdownita said:

Pretty sure you could just use a DB9 gender-changer and simply snip pin7 on the male side. You wouldn’t have 5v at all but joystick directions and buttons don’t use it anyway.

The Megadrive controller would only have 2 buttons working but that’s expected.

If someone tries that and proves it works then we can add that to the wiki page. I'm not keen on adding anything unless I've tested it myself so I know for sure what I write works.

Edited by danm
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Because new toys are hard to say no to - after a little soldering and printing... 🙂

 

Also after a little bit of testing, my initial assumptions around potential floppy incompatibilities due to the required methodology seem correct.

 

The initial GEMdrive hard drive support seems promising with a number of hard drive adapted games happily working.

 

image.thumb.jpeg.090434494b30f4b6cbe3b261468731b5.jpeg

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32 minutes ago, danm said:

Yes I was going to print a case for my sidecart today but it didn't happen. I was going to print this one:

 

https://www.thingiverse.com/thing:6712743

Yes that's the top remix I used along with the parent bottom case.

 

The bottom case needs to be modified about 3-4mm to be able to close around the USB stack.

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Posted (edited)

I expect to be waiting at least another week now before I'll get my ST back as I don't think he's desoldered the RAM yet but Russell has recapped (some of) my PSU.


 

Quote

 

Power supply finished and reassembled. 

 

All caps changed, R201 and R202 changed, 4 pin bridge rectifier fitted and D202 changed.

 


Here's before:

 

ST-PSU-before.jpg

 

And here's after:

ST-PSU-after-recap.thumb.jpg.2b7865d34f6d8ac1887b28cc7a11940f.jpg

Edited by danm
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On 7/31/2024 at 8:53 PM, danm said:

Yes I was going to print a case for my sidecart today but it didn't happen. I was going to print this one:

 

https://www.thingiverse.com/thing:6712743

 

How on earth did I miss this case? Just added it to the list of available cases. Better late than never, right?

 

 https://docs.sidecartridge.com/sidecartridge-multidevice/cases/

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  • 2 weeks later...
Posted (edited)

A couple of days ago I got my recapped A600 and STFM back so yesterday I upgraded my ST to 4 MB RAM using exxos' MMU/shifter upgrade. I had to remove the shifters top shielding to put my case back on.

 

 

I also tested using HxCFloppyEmulator to convert an .msa disk image into a 800 Kb .st image which I  successfully transferred to floppy under Linux using dd and tested it OK. I used FOFT51 (Midnight Resistance) for that.

 

 

4MB-RAM-STFM.jpg

Edited by danm
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Posted (edited)

So far I have been using the rather odd combo of a modfied Atari joystick extension cable and an Amiga PS2 mouse adapter for a mouse on my STFM. That had been working fine until I tried ProTracker. I had two Amiga PS2 mouse adapters, both worked with my ST and Amiga mouse/Atari extension cable and ProTracker seems to have killed them both. In both cases, my mouse partly worked for a couple of minutes before it lost power which is when my Amiga PS2 mouse adapter seems to have had enough.

 

Has anyone heard of this happening before? I have bought a KMTech MKIII Amiga/Atari PS/2 mouse adapter to replace it with. Dare I try ProTracker again with it?

Edited by danm
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