[Coco] I$Create

[Christopher R. Hawks]

On Tue, 21 Mar 2023 15:46:29 -0400
Bill Gunshannon via Coco <coco at maltedmedia.com> wrote:

> 
> On 3/21/2023 9:25 AM, L. Curtis Boyle wrote:
> > Can you post a code snippet of one that you have tried, and what
> > the resulting attributes you are getting?
> 
> I can do better than that.  Here's a program.
> 
> 
>          nam     create_file
>          ttl     M6809 Program to create a file and a directory
> *
>          ifp1
>          use     /DD/defs/os9.d
>          endc
> *
>          mod     PRGSIZ,PRGNAM,TYPE,REVS,START,SIZE
> PRGNAM  fcs     /cf/
> TYPE    set     Prgrm+Objct
> REVS    set     ReEnt+1
> *
> FILE1   fcs     #./file1#
>          fcb     $0D
> FILE2   fcs     #./file2#
>          fcb     $0D
> FILE3   fcs     #./file3#
>          fcb     $0D
> FILE4   fcs     #./file4#
>          fcb     $0D
> DIR1    fcs     #./dir1#
>          fcb     $0D
> DIR2    fcs     #./dir2#
>          fcb     $0D
> DIR3    fcs     #./dir3#
>          fcb     $0D
> DIR4    fcs     #./dir4#
>          fcb     $0D
>          rmb     250
>          rmb     200
> SIZE    equ     .
> *
> START   equ     *
>          leax    FILE1,U
>          lda     UPDAT.
>          ldb     READ.+WRITE.+PREAD.+PWRIT.
>          os9     I$Create
>          leax    FILE2,U
>          lda     UPDAT.
>          ldb     READ.+WRITE.+EXEC.+PREAD.+PWRIT.
>          os9     I$Create
>          leax    FILE3,U
>          lda     UPDAT.
>          ldb     %00011011
>          os9     I$Create
>          leax    FILE4,U
>          lda     UPDAT.
>          ldb     %00011111
>          os9     I$Create
>          leax    DIR1,U
>          lda     UPDAT.
>          ldb     READ.+WRITE.+PREAD.+PWRIT.
>          os9     I$MakDir
>          leax    DIR2,U
>          lda     UPDAT.
>          ldb     READ.+WRITE.+EXEC.+PREAD.+PWRIT.
>          os9     I$MakDir
>          leax    DIR3,U
>          lda     UPDAT.
>          ldb     %00011011
>          os9     I$MakDir
>          leax    DIR4,U
>          lda     UPDAT.
>          ldb     %00011111
>          os9     I$MakDir
>          clrb
>          os9     F$Exit
>          emod
> PRGSIZ  equ     *
>          END
> 
> ----------------------------
> 
> 
> And here is the result:
> 
> 
> {N3|06}/DD/Users/bill/M6809/CF/FTest:dir -e
> 
>   Directory of .  2023/03/21 15:41
> 
> Owner  Last modified   Attributes Sector Bytecount Name
> ----- ---------------- ---------- ------ --------- ----
>    65  2023/03/21 15:40  ------wr   12809       907 AAA
>    65  2023/03/21 15:40  ----r-wr   12814       67E ft.a
>    65  2023/03/21 15:41  -se-re--   13000         0 file1
>    65  2023/03/21 15:41  --e-rew-   13800         0 file2
>    65  2023/03/21 15:41  -se-re--   14000         0 file3
>    65  2023/03/21 15:41  --e-rew-   14800         0 file4
>    65  2023/03/21 15:41  dse-re--   15000        40 dir1
>    65  2023/03/21 15:41  d-e-rew-   15800        40 dir2
>    65  2023/03/21 15:41  dse-re--   16000        40 dir3
>    65  2023/03/21 15:41  d-e-rew-   16800        40 dir4
> 
> 
> Thanks for the help.  I am sure there is something subtle I am
> missing.
> 
> I haven't done any M6809 programming in decades.
> 
> bill
> 
> 
> 

Bill:

    I'm pretty sure the lines _should_ be:
         ldb     #READ.+WRITE.+PREAD.+PWRIT.

    Without the # register b would be loaded with the value stored at
address %00011011 ($1B) (decimal 27)

 Christopher R. Hawks
HAWKSoft
-- 
Piglet noticed that even though he had a very small heart,
it could hold a rather large amount of gratitude.
                     ---Winnie Ther Pooh
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