[sdcc-devel] [ sdcc-Bugs-1596280 ] Invalid variables values

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Bugs item #1596280, was opened at 2006-11-14 13:41
Message generated for change (Comment added) made by maartenbrock
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Category: z80 port
>Group: unreproducable
>Status: Closed
>Resolution: Rejected
Priority: 5
Private: No
Submitted By: Nobody/Anonymous (nobody)
Assigned to: Nobody/Anonymous (nobody)
Summary: Invalid variables values

Initial Comment:
SDCC :
mcs51/gbz80/z80/avr/ds390/pic16/pic14/TININative/xa51/ds400/hc08
2.6.0 #4309 (Jul 28 2006) (MINGW32)

Target: Z80

There is compilation (or maybe precompiler???) bug in
Z80 port.

When is used called macro

#define s_Games_SI_ExtPutChar(x,y,ch) \
{ \
   Ctx->ext_putchar((x), (y), (ch)); \
}

sometimes are x and y invalid and function ext_putchar
is called with wrong values (sometimes = everytimes
from some calls).
This code can be used as temporary bugfix and works
fine with SDCC:

#ifdef SDCC_BUGFIX
#define s_Games_SI_ExtPutChar(x,y,ch) \
{ \
   s_Games_SI_ExtPutCh(Ctx, (x), (y), (ch)); \
}

static inline void s_Games_SI_ExtPutCh(CTX_S_Games_SI
*Ctx, UINT8 x, UINT8 y, UINT8 ch)
{
   Ctx->ext_putchar((x), (y), (ch));
}

Other compilers (GCC, CC65, ...) have no problems with
this source.

----------------------------------------------------------------------

>Comment By: Maarten Brock (maartenbrock)
Date: 2008-02-27 20:03

Message:
Logged In: YES 
user_id=888171
Originator: NO

Where are the definitions of the types and used functions?
And use of inline C functions wasn't even added to SDCC until 2007-03-27,
so I cannot see how this temporary fix can work.

All in all this is totally unreproducable.
And since the OP decided to stay anonymous I see no other option but to
close this one.

----------------------------------------------------------------------

Comment By: Philipp Krause (spth)
Date: 2008-02-24 22:13

Message:
Logged In: YES 
user_id=564030
Originator: NO

"(sometimes = everytimes
from some calls)."

Please provide compileable sample code containing such a function.

Philipp


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