--- Alan Carvalho de Assis <[EMAIL PROTECTED]> escribió:
> Hi David
>
> 2007/11/6, David Lucena <[EMAIL PROTECTED]>:
> >
> > --- Alan Carvalho de Assis <[EMAIL PROTECTED]> escribió:
> >
> > > Hi,
> > > I verify that SDCC can't compile macros if it have more than one
> > > assembly line wrapped by _asm/_endasm.
> > >
> > > In example:
> > >
> > > #define SAVE_TASK_CTX(stack_low, stack_high) \
> > >
> > > { \
> > >
> > > /* Disable global interrupt. */ \
> > >
> > > _asm \
> > >
> > > bcf INTCON, 6, 0 \
> > >
> > > movff STATUS, PREINC1 \
> > >
> > > movff WREG, PREINC1 \
> > >
> > > _endasm \
> > >
> > > /* Store the necessary registers to the stack. */ \
> > > ...
> > > }
> >
> > Have you noticed that the _endasm avobe has not ';'. Can you verify that is
> > that way in your
> code?
> >
>
> Before wrap each line I just placed the ';' but the generated code
> (.asm) was wrong:
>
> bcf INTCON, 6, 0 movff STATUS, PREINC1 movff WREG, PREINC1
> movff BSR, PREINC1 movff FSR2L, PREINC1 movff FSR2H, PREINC1 movff
> FSR0L, PREINC1 movff FSR0H, PREINC1 movff TBLPTRU, PREINC1 movff
> TBLPTRH, PREINC1 movff TBLPTRL, PREINC1 movff TABLAT, PREINC1 movff
> PRODH, PREINC1 movff PRODL, PREINC1
> movlw 0x20 +1 clrf FSR0L, 0 clrf FSR0H, 0
>
> As you can see the compile placed all instruction wrapped by
> _asm/_endasm into a single line.
>
> Thank you very much,
>
> Alan
>
Right, this is a preprocessor issue, not SDCC itself. No gnu cpp based
preprocesor preserves
newlines in the macros. But I am sure that SDCC accepts more than one assembler
line between _asm
and _endasm;.
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