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  •  » I am looking for a CP/M boot disk for the Disc Controller

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#1 06-06-2018 20:08:17

Asshen
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I am looking for a CP/M boot disk for the Disc Controller

Hey all, I'm new here.

I just fixed a Model AD, a memory expansion and a disc controller expansion.

I don't own a real diskdrive for this device, but it seems to work with a FlashFloppy Gotek.

It looks like I need some kind of CP/M boot disk to boot to CP/M.

Does anyone have a Gotek compatible disk image for me?

Thanks!
Kind regards,
Kris (from Belgium)

 

#2 07-06-2018 08:25:11

Asshen
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Re: I am looking for a CP/M boot disk for the Disc Controller

I've been trying to create disk images myself using the HxC IPFConverter tool.

They were based on the disk images I found in the files section of this website (emulator, 22disk and the cpm bootdisk downloads).

However, I always get the same result.

The Gotek lights up (so there is action), but after a few seconds the computer responds with "No response from the disc controller".

Could this mean there is still a problem with the hardware setup?
Or can this still be invalid disk images?

Thanks guys!

 

#3 07-06-2018 14:11:35

cdesp
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Re: I am looking for a CP/M boot disk for the Disc Controller

In the `discs` subdirectory of the emulator you will find a file named `system.dsk`.
That file contains the first sectors of a newbrain Double sided floppy disk. These sectors contain the CP/M system and if you can write them to a floppy disk you will be able to boot. The other disks you mention are only the files contained on them without the System sectors which are not files you can copy as usual.

 

#4 07-06-2018 15:11:07

Asshen
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Re: I am looking for a CP/M boot disk for the Disc Controller

Awesome, thanks, I will try to create one with that.

Which floppies did NewBrain use? 3.5" or 5.25" and what size?

Thanks.

Last edited by Asshen (07-06-2018 15:12:09)

 

#5 07-06-2018 18:27:30

Asshen
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Re: I am looking for a CP/M boot disk for the Disc Controller

Sadly that System.dsk file from the emulator doesn't work on the gotek.

Also converting the file to another format using the HxC IPFConverter tool is not helping.

Too bad :'(

 

#6 08-06-2018 10:22:32

cdesp
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Re: I am looking for a CP/M boot disk for the Disc Controller

Load a disk on Newbrain emulator with CP/M support.
This will create a .dsk file on the `discs` subdirectory.
Do NOT close the emulator. Go to the `discs` subdirectory and copy that file and rename as `<filename>.raw`.Then close the emulator.
Try to work with this .raw file.

 
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