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

Arthur Flexser flexser at fiu.edu
Thu Aug 6 23:56:46 EDT 2015


Now that you have it working, you should be able to substitute various
commands, or a string of commands, for the DIR1.  What else is needed?

Art

On Thu, Aug 6, 2015 at 7:00 PM, Steve Batson via Coco <coco at maltedmedia.com>
wrote:

>
> Actually, let me update my statement. This will allow me to do some of the
> things I have in mind, but not all. There are some things that I will still
> need to redirect output from the screen to a file that the basic program
> shown will not do :(
>
>
>
> On Aug 6, 2015, at 3:55 PM, Steve Batson via Coco <coco at maltedmedia.com>
> wrote:
>
> > Changing the 5 to 2 in lines 10,20 and 50 allowed it to write the file
> and makes sense looking at some info for the Disk System.
> >
> > I got this working and I think this sets the stage for several of the
> things I have in mind. Thanks!!
> >
> >
> > On Aug 6, 2015, at 3:33 PM, Christopher R. Hawks <chawks at dls.net> wrote:
> >
> >> On Thu, 6 Aug 2015 15:20:30 -0700
> >> Steve Batson via Coco <coco at maltedmedia.com> wrote:
> >>
> >>> Changing the "I" to "O" in line ten makes sense, but that line
> >>> produces a DN Error. :/
> >>
> >>      My DECB is really rusty, but, I think the open command
> >> should be:
> >> 10 OPEN "I",#5,"DIRFILE.TXT"
> >>
> >> Like the close command is...
> >>
> >>> On Aug 6, 2015, at 3:07 PM, Arthur Flexser <flexser at fiu.edu> wrote:
> >>>
> >>>> 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
> >>>>>>
> >>>>>
> >>>>>
> >>>>
> >>>> --
> >>>> Coco mailing list
> >>>> Coco at maltedmedia.com
> >>>> https://pairlist5.pair.net/mailman/listinfo/coco
> >>>
> >>>
> >>
> >>
> >>
> >>
> >> Christopher R. Hawks
> >> HAWKSoft
> >> --
> >> Why can they never grasp the obvious?  Why do they have to generate
> >> bizarre failure-conspiracy-theories involving the Illuminati, the cheese
> >> sandwich they had for lunch last week and the phase of the moon?
> >>              -- Chris Richardson
> >> ----------------------------------------
> >>      \   ^__^
> >>       \  (oo)\_______
> >>          (__)\       )\/\
> >>              ||----w |
> >>              ||     ||
> >>
> >> --
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> >> Coco at maltedmedia.com
> >> https://pairlist5.pair.net/mailman/listinfo/coco
> >
> >
> > --
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> > Coco at maltedmedia.com
> > https://pairlist5.pair.net/mailman/listinfo/coco
>
>
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>


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