Re: Does anyone have CP/M disk images that are not already on zimmers.net?

From: Ethan Dicks <ethan.dicks_at_gmail.com>
Date: Wed, 22 Feb 2017 23:42:04 -0500
Message-ID: <CAALmim=ieZZd6JRSwnJNDXicOK7ZXvfcjUr98VG4DKTe7Xh-NQ@mail.gmail.com>
On Wed, Feb 22, 2017 at 4:19 PM, william degnan <billdegnan@gmail.com> wrote:
> On Wed, Feb 22, 2017 at 4:12 PM, Ethan Dicks <ethan.dicks@gmail.com> wrote:
>> On Wed, Feb 22, 2017 at 4:03 PM, william degnan <billdegnan@gmail.com>
>> wrote:
>> >>> So for now, I'm looking for other examples of bootable CP/M 3.0 Plus
>> >>> disk images...

Perhaps I should have been clearer that I meant "other examples of
CP/M 3.0 Plus for the Commodore 128"... there are several images on
zimmers.net.  I am looking for versions not posted there so I can
figure out what versions work and which do not.

>> > Would Visual 1050 CP/M 3.0 Plus work for this?
>>
>> Tell me more about this.  I know nothing about the Visual 1050.

Having tracked down some links, it looks like some other brand of
machine, not quite what I was looking for.

To be clearer, I'm not trying to evaluate "CPM 3.0 Plus" on all
platforms, just on the C-128.

> I need to install at Quad/High Density drive onto my disk imaging station to
> image the disk, or find a terminal program on the 1050 and copy to-from that
> way.   Could I just mail you a disk and you can return when you're done?

Thanks for the offer, but I don't think it's going to help me solve my quandry.

>  I was under the impression that CBM CP/M
> was nothing like any other, almost an emulated version.  But where I got
> that is "undocumented in my head"

I'm not aware of it being emulated - there's a real Z80 in the C-128
(and the C-64 CP/M cartridge), but what is "odd" is that the native
Commodore CPU participates in some of the I/O.  They did not write IEC
routines in Z-80 code as far as I can tell, and there is an underlying
"6502 BIOS" that's part of Commodore CP/M.

-ethan

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Received on 2017-02-23 05:00:07

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