On Sep 15, 10:06 pm, "Andrew J. Kroll" wrote:
> DD4 is a CP/M program that allows you to image disks on the real machine
> on 2.2 or 3.x CP/M. Here is a sample run:
>
> A>dd4 -if: -od.dd -c@
> dd4cpm Version 00.00.02 Copyright (C) 2007 Andrew J. Kroll
> This program comes with ABSOLUTELY NO WARRANTY.
> This is free software, and you are welcome to redistribute it.
> For terms and conditions seehttp://www.gnu.org/licenses/gpl.txt
>
> CP/M version is 3.1
> For help, enter 'dd ?'
>
> Drive 'F:' Density: 1(128B), Image size: 262144B,
> Tracks: 16, Sectors: 128, Start: 0
> Enter a comment, up to 111 characters, describing this file.
> DD4>Nothing
> Start sector is 0, copying 2048 sectors starting @ 0
> Scanning F:...
> Reading 000F,007F
> Reading 000F,007F
> Data copied from F: to D.DD (262144->71843 bytes)
>
> A>dd4 -id.dd -og: -c@
> dd4cpm Version 00.00.02 Copyright (C) 2007 Andrew J. Kroll
> This program comes with ABSOLUTELY NO WARRANTY.
> This is free software, and you are welcome to redistribute it.
> For terms and conditions seehttp://www.gnu.org/licenses/gpl.txt
>
> CP/M version is 3.1
> For help, enter 'dd ?'
>
> Density: 1(128B), Image size: 262144B,
> Tracks: 16, Sectors: 128, Start: 0
> INFORMATION:
> Nothing
>
> Drive 'G:' Density: 1(128B), Image size: 262144B,
> Tracks: 16, Sectors: 128, Start: 0
> Start sector is 0, copying 2048 sectors starting @ 0
> Writing 000F,007F
> Data copied from D.DD to G: (71843->262144 bytes)
>
> A>
>
> I then ran an MD5 on the two disk images, and they were a perfect match.
>
> 82def73c3a9f7198361878b8ca227732 testing.dsk
> 82def73c3a9f7198361878b8ca227732 testcpy.dsk
>
> You can find the program @http://cpm.dr.ea.ms/
>
> I'll be uploading images myself to the site very soon.
> Please let me know how well/poor it works for you so that improvements
> may be made.

Andrew,
COOL! Congratulations on your imaging program. I will download and
test it on my NorthStar CP/M box.

Thanks!

Andrew Lynch

lynchaj@yahoo.com wrote:
> On Sep 15, 10:06 pm, "Andrew J. Kroll" wrote:
>> DD4 is a CP/M program that allows you to image disks on the real machine
>> on 2.2 or 3.x CP/M. Here is a sample run:
>>
>> A>dd4 -if: -od.dd -c@
>> dd4cpm Version 00.00.02 Copyright (C) 2007 Andrew J. Kroll
>> This program comes with ABSOLUTELY NO WARRANTY.
>> This is free software, and you are welcome to redistribute it.
>> For terms and conditions seehttp://www.gnu.org/licenses/gpl.txt
>>
>> CP/M version is 3.1
>> For help, enter 'dd ?'
>>
>> Drive 'F:' Density: 1(128B), Image size: 262144B,
>> Tracks: 16, Sectors: 128, Start: 0
>> Enter a comment, up to 111 characters, describing this file.
>> DD4>Nothing
>> Start sector is 0, copying 2048 sectors starting @ 0
>> Scanning F:...
>> Reading 000F,007F
>> Reading 000F,007F
>> Data copied from F: to D.DD (262144->71843 bytes)
>>
>> A>dd4 -id.dd -og: -c@
>> dd4cpm Version 00.00.02 Copyright (C) 2007 Andrew J. Kroll
>> This program comes with ABSOLUTELY NO WARRANTY.
>> This is free software, and you are welcome to redistribute it.
>> For terms and conditions seehttp://www.gnu.org/licenses/gpl.txt
>>
>> CP/M version is 3.1
>> For help, enter 'dd ?'
>>
>> Density: 1(128B), Image size: 262144B,
>> Tracks: 16, Sectors: 128, Start: 0
>> INFORMATION:
>> Nothing
>>
>> Drive 'G:' Density: 1(128B), Image size: 262144B,
>> Tracks: 16, Sectors: 128, Start: 0
>> Start sector is 0, copying 2048 sectors starting @ 0
>> Writing 000F,007F
>> Data copied from D.DD to G: (71843->262144 bytes)
>>
>> A>
>>
>> I then ran an MD5 on the two disk images, and they were a perfect match.
>>
>> 82def73c3a9f7198361878b8ca227732 testing.dsk
>> 82def73c3a9f7198361878b8ca227732 testcpy.dsk
>>
>> You can find the program @http://cpm.dr.ea.ms/
>>
>> I'll be uploading images myself to the site very soon.
>> Please let me know how well/poor it works for you so that improvements
>> may be made.
>
> Andrew,
> COOL! Congratulations on your imaging program. I will download and
> test it on my NorthStar CP/M box.
>
> Thanks!
>
> Andrew Lynch
>

Excellent! I hope it works for you. I'll be more than happy to host the
images it makes as well.