From: Jeremy (earth1dome1_at_yahoo.com)
Date: 2008-02-02 04:53:18
silverdr@inet.com.pl wrote:
> Hello! I recall in the good old days, whenever I OPENed a file (of
> course after SETLFSing and SETNAMming), I checked the status channel to
> verify whether the file opened properly and I vaguely recall that I was
> doing it because even if I expected OPEN to return some error
> conditions, I always had problems with it and resorted to the status
> channel. Do you know a better way to check for OPEN success/failure?
>
> P.S. I was using C64/1541 but I believe the same is applicable to most
> if not all CBM CPU/drive combinations
>
>
> Message was sent through the cbm-hackers mailing list
How about reading the Error Channel off open15,8,15? Use equivalent Kernal
vectors to do this setup.. The basic equivalent is
open15,8,15:get#15,A%:close15. A% or A$ or the equivalent would tell you if
it
was working or not..
How about using the ReadST command? its at $ffb7..
jeremy supercommodore@yahoo.com
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