[Coco] Disk Free Space
ptaylor2446 at gmail.com
Wed Dec 26 23:42:37 EST 2018
The program is not find the free disk space tht is available. Do you happen
to know what track and sector the information is stored on please?
On Wed, Dec 26, 2018 at 10:49 PM Robert Gault <robert.gault at att.net> wrote:
> Here is an example.
> Line 10 gives you enough string space. The first number in line 20 is your
> disk # and inputs track
> 17 and sector 2 into the 128-byte strings S1$ and S2$. We then convert
> each byte in each string into
> a hexidecimal number in lines 40, 80, and 200.
> 10 CLEAR512
> 20 DSKI$ 0,17,2,S1$,S2$
> 30 FOR I=1TO128
> 40 A$=MID$(S1$,I,1)
> 50 GOSUB 200
> 60 NEXT
> 70 FORI=1TO128
> 80 A$=MID$(S2$,I,1)
> 90 GOSUB 200
> 100 NEXT
> 110 END
> 200 PRINT HEX$(ASC(A$));" ";:RETURN
> phil pt wrote:
> > Can you please provide me with a example basic code to show me how to get
> > the information?
> > On Wednesday, December 26, 2018, Robert Gault <robert.gault at att.net>
> >> Phil,
> >> This is not exactly what you asked, but RGBDOS on emulators and HDBDOS
> >> real Coco disks tells you how many grans are free. A Granule is 9
> >> If you can't examine your disk using a Basic command, you will need to
> >> count the number of free grans in the table on Track 17 Sector 2.
> >> With a "nice" DOS on a fresh disk, you would see bytes 0-$43 =$FF and
> >> other bytes =$00. Disk Basic probably has all bytes in T17S2=$FF. You
> >> care about bytes 0-$43. They bytes that are $FF indicate free grans.
> >> Robert
> >> phil pt wrote:
> >>> mlbasic 2.0 does not support the free command how can I get the free
> >>> space that is available on the floppy disk using dskini?
> >>> Thanks
> >> --
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> >> Coco at maltedmedia.com
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