[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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