[hatari-devel] Wotanoid problem : final fix before commit ?

George Nakos ggn at hol.gr
Sun Jan 24 20:15:22 CET 2010


Hello Eero,

Sunday, January 24, 2010, 8:46:27 PM, you wrote:

> Hi,

> On Sunday 24 January 2010, George Nakos wrote:
>> >> >> My  memory  is  a bit hazy, but I think this just tells gemdos to
>> >> >> read $ffffffff  bytes  from the file. Of course gemdos will read as
>> >> >> much as the  file  size  and then return an error in d0.l. It's the
>> >> >> lazy man's approach  to  doing  things  the  Right Way(tm) (i.e.
>> >> >> getting the file length  -or knowing it beforehand- and calling
>> >> >> fread() with the proper amount of bytes)
>> >
>> > George, have you actually used this on actual HW so that it has worked?
>> > With which TOS version(s) it works like that?
>>
>> Yup,  on  a STE with TOS 1.62UK and STFM with TOS 1.02UK. Also, that's
>> we use that in ULSv3 for a couple of years now and it works in all our
>> test equipment (MSTEs, Falcons, a TT, etc)

> George, regarding Thomas' comments and you saying that your memory
> on this is a bit hazy...

> Could you verify that the value you've used is really "$ffffffff" and not
> just the largest possible _signed_ value?

 Just wrote a small program to test this, it works with $7fffffff, aka
 biggest signed vaule.



-- 
Best regards,
 George                            mailto:ggn at hol.gr




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