Re: [Flashforth-devel] Floating point library - open issues

[om1zz <om...@vo...>]

Yep, you have found it, it seems..

Here:

TXbuffer=0      dstack=96       bigtest passes (20minutes long run now)
TXbuffer=31    dstack=254     bigtest passes (several 8minutes rounds)

Igor.

______________________________________________________________
> Od: Mikael Nordman <mik...@fl...>
> Komu: <fla...@li...>
> Datum: 02.06.2015 08:56
> Předmět: Re: [Flashforth-devel] Floating point library - open issues
>
>There seems to be an issue with the NSTDIS bit in INTCON1.
>FF PIC24 Interrupt routines rely on that nested interrupts do not 
>occur.
>Either there is some latent problem in FF or the float lib keeps 
>resetting that bit.
>
>There could also be some other conflict with the usage of the shadow 
>registers between FF and the float lib.
>
>If you use unbuffered transmission on TX1 you will experience less 
>problems, since there are no
>disturbing interrupts during the float calculations.
>
>I will check details later.
>
>
>On 02.06.2015 00:05, om1zz wrote:
>> Issue 4.
>>
>> Mike,
>> it crashes here with latest trunk's OS, and 24config (except the uart
>> pins def and 115k2) and
>>
>> ; UART buffer sizes
>> ; Valid sizes are 7, 15, 31, 63, 127, 255, 511, 1023, etc.
>> .equ TX1_BUF_SIZE, 31  ; Use 0 for unbuffered TX.
>
>
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