[Coco] Cross Post from FB Page..Disk Basic Programming Question...

[Arthur Flexser]

Should be OPEN "O" (output) not "I".

Art

On Thu, Aug 6, 2015 at 6:06 PM, Arthur Flexser <flexser at fiu.edu> wrote:

> It would be something like
>
> 10 OPEN "I",5,"DIRFILE.TXT"
> 20 POKE &H6F,5
> 30 DIR 1
> 40 POKE&H6F,0
> 50 CLOSE #5
>
> Art
>
>
> On Thu, Aug 6, 2015 at 5:59 PM, Steve Batson via Coco <
> coco at maltedmedia.com> wrote:
>
>> Art,
>>
>> Can you show a simple example of this?
>>
>> Here’s a psuedo code for what I would want to do.
>>
>> 10 Turn On Redirection of screen text to array/file
>> 20 DIR 1
>> 30 Turn Off Redirection
>> 40 Parse captured data
>> 50 Selectively Display the parsed data in new format
>>
>> My interest is Lines 10-30, I can figure out the parsing and display of
>> parsed data. Also please don't direct me to basic commands for directly
>> reading the disk by tracks and sectors. I understand how to do that but it
>> won't do what I'm looking for and I may want to use this for things beyond
>> DIR listings.
>> On Aug 6, 2015, at 2:49 PM, Arthur Flexser <flexser at fiu.edu> wrote:
>>
>> > You could try opening the disk file with a certain device number
>> assigned
>> > to it and then poke that device number into location $6F immediately
>> before
>> > doing the LLIST or DIR (restoring the device number to zero afterwards)
>> and
>> > see if that works for getting the output into the disk file.
>> >
>> > Art
>> >
>> > On Thu, Aug 6, 2015 at 5:35 PM, Steve Batson via Coco <
>> coco at maltedmedia.com>
>> > wrote:
>> >
>> >>
>> >> Art,
>> >>
>> >> I was asked for clarification of my question on the FB page and your
>> >> question confirms I was not very clear.
>> >>
>> >> I want to be able programmatically start capturing anything that is
>> going
>> >> to the screen to a file. My interest is only text, so no worry about
>> about
>> >> graphics. So lets say I wanted my program to do a DIR or LIST command,
>> I'd
>> >> like send all of the screen output from those commands to a file. If
>> not a
>> >> a file, to an array (which probably is the better approach since the
>> data
>> >> could be parsed and cleaned up before storing in a file). I'd take
>> either.
>> >> Does this make sense?
>> >>
>> >> To add to that, I'd want to have this work in standard Disk Basic
>> >> including Assembly if necessary. I would want to portable between CoCo
>> so
>> >> I'm not having to worry about ADOS or other custom dos installed.
>> >>
>> >>
>> >> On Aug 6, 2015, at 2:12 PM, Arthur Flexser <flexser at fiu.edu> wrote:
>> >>
>> >>> Do you mean something like a log file that contains both what you
>> type to
>> >>> the CoCo and whatever the CoCo puts on the screen in response?
>> >>>
>> >>> I don't think there's an easy way to do that from Basic, though it
>> >>> shouldn't be too difficult to do with an assembly language patch to
>> >> Basic.
>> >>> You'd want to change the unit number of where the output is going from
>> >> unit
>> >>> #0 (the screen) to the one you've assigned to the disk file.
>> Actually, a
>> >>> simple redirect like that would prevent the output from going to the
>> >>> screen, so you'd probably want to output an additional copy to the
>> disk
>> >>> file of whatever is sent to the screen.
>> >>>
>> >>> There's a feature similar to this in ADOS (the PRT ON/PRT OFF
>> command),
>> >>> except that it sends everything to the printer instead of to a disk
>> file.
>> >>> If that would do for your purposes, you could download ADOS (ADOS-3
>> for
>> >> the
>> >>> CoCo 3) and boot it up from disk.
>> >>>
>> >>> Art
>> >>>
>> >>> On Thu, Aug 6, 2015 at 4:12 PM, Steve Batson via Coco <
>> >> coco at maltedmedia.com>
>> >>> wrote:
>> >>>
>> >>>>
>> >>>> CoCo Disk BASIC programming question.
>> >>>> Is there a simple way in Disk BASIC to open a disk file and then send
>> >>>> anything following that command to a Disk File or an Array from the
>> >> screen
>> >>>> and then stop once the data has been collected?
>> >>>>
>> >>>>
>> >>>>
>> >>>> --
>> >>>> Coco mailing list
>> >>>> Coco at maltedmedia.com
>> >>>> https://pairlist5.pair.net/mailman/listinfo/coco
>> >>>>
>> >>>
>> >>> --
>> >>> Coco mailing list
>> >>> Coco at maltedmedia.com
>> >>> https://pairlist5.pair.net/mailman/listinfo/coco
>> >> I want to be able programmatically start capturing anything that is
>> going
>> >> to the screen to a file. My interest is only text, so no worry about
>> about
>> >> graphics. So lets say I wanted my program to do a DIR or LIST command,
>> I'd
>> >> like send all of the screen output from those commands to a file. If
>> not a
>> >> a file, to an array (which probably is the better approach since the
>> data
>> >> could be parsed and cleaned up before storing in a file). I'd take
>> either.
>> >> Does this make sense?
>> >>
>> >> --
>> >> Coco mailing list
>> >> Coco at maltedmedia.com
>> >> https://pairlist5.pair.net/mailman/listinfo/coco
>> >>
>> >
>> > --
>> > Coco mailing list
>> > Coco at maltedmedia.com
>> > https://pairlist5.pair.net/mailman/listinfo/coco
>>
>>
>> --
>> Coco mailing list
>> Coco at maltedmedia.com
>> https://pairlist5.pair.net/mailman/listinfo/coco
>>
>
>