[sdcc-devel] [ sdcc-Bugs-667458 ] ds390: b destroyed while using dual-ptr

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Bugs item #667458, was opened at 2003-01-14 00:02
You can respond by visiting: 
https://sourceforge.net/tracker/?func=detail&atid=100599&aid=667458&group_id=599

Category: ds390 target
Group: None
Status: Open
Resolution: None
Priority: 5
Submitted By: Bernhard Held (bernhardheld)
Assigned to: Nobody/Anonymous (nobody)
Summary: ds390: b destroyed while using dual-ptr

Initial Comment:
Model ds390: 
 
#include <stdarg.h> 
#include <stdio.h> 
 
static bit  string_flag =0; 
static char * data str ; 
 
void printf_small (char * fmt, ... ) reentrant 
{ 
  char c; 
  va_list ap ; 
 
  va_start(ap,fmt); 
   
  for (; *fmt ; fmt++ ) 
    { 
      if (*fmt == '%') 
        { 
          fmt++; 
          if (string_flag) 
            { 
              str = va_arg(ap, char *); 
              while (*str) 
                  *str++; 
              continue ; 
            } 
          while ((c = *str++) != '\0') 
              ; 
        } 
      else 
          putchar(*fmt); 
    } 
} 
 
;       b.c:14: for (; *fmt ; fmt++ ) 
;       genAssign 
        mov     a,_bpx 
        clr     c 
        subb    a,#0x08 
        mov     b,a 
        mov     a,_bpx+1 
        subb    a,#0x00 
        mov     dpx,#0x40 
        mov     dph,a 
        mov     dpl,b		; &fmt in dpx,dph,dpl 
;       genAssign: resultIsFar = FALSE 
        movx    a,@dptr 
        mov     r6,a 
        inc     dptr 
        movx    a,@dptr 
        mov     r7,a 
        inc     dptr 
        movx    a,@dptr 
        mov     r0,a 
        inc     dptr 
        movx    a,@dptr 
        mov     r1,a		; fmt in r1,r0,r7,r6 
;       genPointerGet 
;       genGenPointerGet 
        mov     dpl,r6 
        mov     dph,r7 
        mov     dpx,r0 
        mov     b,r1		; fmt in b,dpx,dph,dpl 
        mov     a,_bpx		; temp. storage for *fmt ? 
        clr     c 
        subb    a,#0xF6	; prepare &sloc2 
        mov     b,a	; ####### destroy b ######## 
        mov     a,_bpx+1 
        subb    a,#0xFF 
        mov     dpx1,#0x40 
        mov     dph1,a 
        mov     dpl1,b		; &sloc2 in dpx1,dph1,dpl1 
        lcall   __gptrget 
        mov     dps,#1 
        movx    @dptr,a	; sloc2 = *fmt; 
        mov     dps,#0 
 

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You can respond by visiting: 
https://sourceforge.net/tracker/?func=detail&atid=100599&aid=667458&group_id=599