[Coco] [Color Computer] Creating a DSK file on a real coco..

[Bob Devries]

That programme could be enhanced by making use of the EOF() function to 
check for the end of file, thereby making it possible to use any size source 
disk.
--
Regards, Bob Devries, Dalby, Queensland, Australia

Isaiah 50:4 The sovereign Lord has given me
the capacity to be his spokesman,
so that I know how to help the weary.

website: http://www.home.gil.com.au/~bdevasl
my blog: http://bdevries.invigorated.org/

----- Original Message ----- 
From: "Willard Goosey" <goosey at virgo.sdc.org>
To: <coco at maltedmedia.com>
Sent: Friday, December 23, 2005 8:27 PM
Subject: Re: [Coco] [Color Computer] Creating a DSK file on a real coco..


>I don't know of a utility offhand... but this shouldn't be too hard to
> reverse...
>
> PROCEDURE dskwrite
> DIM inpath,outpath:BYTE
> DIM block(256):BYTE
> DIM count:INTEGER
> DIM vfile:STRING[30]
> DIM drive:STRING[30]
> INPUT "emulator file:",vfile
> INPUT "disk to write to (os-9 format ss 35 track):",drive
> OPEN #inpath,vfile:READ
> OPEN #outpath,drive:WRITE
> FOR count=1 TO 630
> GET #inpath,block
> PUT #outpath,block
> NEXT count
> CLOSE #inpath,#outpath
> END
>
>
> Note that this is set up for a single-sided 35 track disk image.  JV
> DSK files are raw sector dumps.  DMK images have more data, but the
> CoCo only needs those for a handful of games with really nasty copy
> protection...
>
> Also note I didn't write this, it was posted on the list at some
> point.  I have hacked on it some, but my versions are on a crashed
> hard drive. :-(
>
> The trick is to open the disk as /dX@ -- which signifies you want
> absolute addressing on the disk.  You have to be (supposedly anyway)
> user 0 for that to work, but who actually uses OS-9LII multiuser?
>
> Maybe we could convince the author of os9dsk (sorry I forgot your name
> again) to add a -put option?
>
> Willard
> -- 
> Willard Goosey  goosey at sdc.org
> Socorro, New Mexico, USA
> "I've never been to Contempt!  Isn't that somewhere in New Mexico?"
>   --- Yacko
>
> -- 
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>
>
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