Ok thanks.
Does anyone know if the latest snapshot will work as a drop-in
replacement for 2.9.0. I have attempted to install it but it seems as
though the sfr and interrupt definitions are different.
Thank,
Will.
On 19/02/2010 12:39 AM, Maarten Brock wrote:
> Hi,
>
> You've found a bug that I think I fixed already some time ago. Please try
> again with the latest snapshot.
>
> Maarten
>
>
>> Hello,
>>
>> I'm using an 8051-derivative with the 2.9.0 version of SDCC. I am
>> trying to pass parameters in xdata like this:
>>
>> void WriteLEDByte( BYTE iOutput, BYTE xdata iData );
>>
>> void function( void )
>> {
>> WriteLEDByte( iOutput, LED_ADDRESS );
>> ...
>>
>> The mapping is showing the input variable assigned to XSEG:
>>
>> XSEG 0000 007A = 122. bytes
>> (REL,CON,XDATA)
>>
>> Value Global
>> -------- --------------------------------
>> ...
>> 0D:0036 _WriteLEDByte_PARM_2
>> ...
>>
>> But when the function is called, its being loaded into a data address:
>>
>> 1712 ;
>> F340_USB0_Keyboard.c:782: WriteLEDByte( iOutput, LED_ADDRESS );
>> 046C 75*09 72 1713 mov _WriteLEDByte_PARM_2,#0x72
>> 046F 8A 82 1714 mov dpl,r2
>> 0471 C0 02 1715 push ar2
>> 0473 12s04rC9 1716 lcall _WriteLEDByte
>>
>> And the function is trying to read it from XDATA:
>>
>> 04C9 1808 _WriteLEDByte:
>> ...
>> 04DC 90s00r09 1821 mov dptr,#_WriteLEDByte_PARM_2
>> 04DF E0 1822 movx a,@dptr
>> 04E0 FB 1823 mov r3,a
>> ...
>>
>> Does anyone know what is happening here?
>>
>> Thanks,
>> Will.
>>
>>
>>
>>
>>
>>
>>
>> ------------------------------------------------------------------------------
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>>
>>
>
>
> ------------------------------------------------------------------------------
> Download Intel® Parallel Studio Eval
> Try the new software tools for yourself. Speed compiling, find bugs
> proactively, and fine-tune applications for parallel performance.
> See why Intel Parallel Studio got high marks during beta.
> http://p.sf.net/sfu/intel-sw-dev
> _______________________________________________
> Sdcc-user mailing list
> Sdcc-user@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/sdcc-user
>
------------------------------------------------------------------------------
Download Intel® Parallel Studio Eval
Try the new software tools for yourself. Speed compiling, find bugs
proactively, and fine-tune applications for parallel performance.
See why Intel Parallel Studio got high marks during beta.
http://p.sf.net/sfu/intel-sw-dev
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