[Coladam] Transferring ADAM tape/disk images to physical media

tscott at magiqueproductions.com tscott at magiqueproductions.com
Fri Aug 3 18:40:54 CEST 2012


Jeff Frohwein has some code for using the joystick port as a serial port.
I found the web archive for his work here:

http://web.archive.org/web/20040811191606/http://adamcon.org/jeff_frohwein/


Tommy

>
> Did the adamlink modem use an UART or ACIA chip connected to a single chip
> 300 Baud modem? The TRS-80 CoCo Direct Connect Modem Pak was such a beast
> and I took the modem chip out and added level converters and turned it
> into a serial port (based on information from Marty Goodman). If the
> Adamlink modem is designed like that it could theoretically be converted
> into a serial port.
>
>> Date: Fri, 3 Aug 2012 11:37:41 -0400
>> From: kjpmail at gmail.com
>> To: oltmansg at bellsouth.net
>> CC: coladam at adamcon.org
>> Subject: Re: [Coladam] Transferring ADAM tape/disk images to physical
>> media
>>
>> How do you get a serial port on the ADAM?
>>
>>
>> On Fri, Aug 3, 2012 at 11:30 AM, geoffrey oltmans
>> <oltmansg at bellsouth.net>wrote:
>>
>> > ah yes... you can definitely do it over a serial connection if you
>> have
>> > access to a serial port on the ADAM. I've used MEX or IMP in TDOS for
>> > this... I've only ever done it using a DDP as temporary storage for
>> the
>> > image before transferring to disk, or a hard disk. Someone else might
>> have
>> > another approach that works as well.
>> >
>> > ------------------------------
>> > *From:* Kevin Powers <kjpmail at gmail.com>
>> > *To:* geoffrey oltmans <oltmansg at bellsouth.net>
>> > *Cc:* coladam at adamcon.org
>> > *Sent:* Fri, August 3, 2012 10:22:44 AM
>> > *Subject:* Re: [Coladam] Transferring ADAM tape/disk images to
>> physical
>> > media
>> >
>> > No means of accomplishing this over a serial connection?
>> >
>> >
>> > On Fri, Aug 3, 2012 at 11:11 AM, geoffrey oltmans
>> <oltmansg at bellsouth.net>wrote:
>> >
>> >> Disks are relatively easy, provided you have an old MS-DOS or linux
>> PC
>> >> laying around (286-486 machine is perfect) with a double density
>> 5.25"
>> >> floppy drive. I don't recommend using a HD 5.25" drives due to the
>> narrower
>> >> head width even though they will write at DD speeds/track positions
>> since
>> >> it makes for trickier tracking, but it is possible to use those as
>> well.
>> >> The reason too for using an older computer is that newer ones don't
>> have
>> >> disk controllers in them that support Double Density disk formats
>> very
>> >> well. There is a program floating around called 22DISK that is
>> excellent
>> >> for transferring ADAM CP/M disk formats. Otherwise, for regular ADAM
>> disk
>> >> media you can use the utilities on Marcel de Kogel's ADAMem
>> distribution
>> >> site (the DCOPY and CONVDISK programs). DCOPY is what I used to
>> transfer my
>> >> collection onto the PC since everything I have now is single sided.
>> In
>> >> Linux you can use the dd command.
>> >>
>> >> Tapes are little trickier unless you have a disk drive capable of
>> doing
>> >> double sided or a 3.5" drive. The reason for this is because digital
>> data
>> >> pack images are 256k in size and a standard single sided, double
>> density
>> >> disk can only do 160kb. Once you get a DDP image file onto the disk
>> there
>> >> is a utility in CP/M or TDOS which will let you write a disk/tape
>> image
>> >> back to the original media (I think it's called clone21, but someone
>> can
>> >> check me on that).
>> >>
>> >>
>> >>
>> >> ------------------------------
>> >> *From:* Kevin Powers <kjpmail at gmail.com>
>> >> *To:* coladam at adamcon.org
>> >> *Sent:* Fri, August 3, 2012 9:14:14 AM
>> >> *Subject:* [Coladam] Transferring ADAM tape/disk images to physical
>> media
>> >>
>> >> Is it possible to transfer an ADAM tape (or disk) image to physical
>> media?
>> >> How is this done?  I'm familiar with the process on the Apple II, but
>> are
>> >> there transfer programs (similar to ADTPro on the Apple II) and
>> serial
>> >> connectors (similar to the Super Serial Card on the Apple II)
>> available
>> >> for
>> >> the ADAM?
>> >> _______________________________________________
>> >> Coladam mailing list
>> >> Coladam at adamcon.org
>> >> http://adamcon.org/cgi-bin/mailman/listinfo/coladam
>> >>
>> >
>> >
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