What's New in C251 Version 5.50a

unsigned short us,us1;
signed short ss;

void foo(void){
  us  = 0;     // The selected register will be loaded only once with constant zero for all three statements.
  us1 = 0;
  ss  = 0;
}

void foo(void){
  signed char g;

  switch (g) {
   case 255:   // "Warning case label value exceeds maximum" will be generated.
     break;
   case -1:
     break;}

}

unsigned char uc;

uc = -257;     // The warning C209 appeared twice in previous versions.

#pragma CODE SYMBOLS XSMALL MODECC7 INTR2 FUNCTIONS (REENTRANT) NOCASE ROM(HUGE)

typedef int (foo)(void *p1, void *p2, void *p3, void *p4, int i);
foo foo_function; /* prototype the function */

/* Is non-reentrant due to typedef'd prototype: */
int foo_function(void *p1, void *p2, void *p3, void *p4, int i)  {
  return i;
}

#define NULL  (void *) 0
void main(void){
  volatile int ret=0;

  ret=foo_function(NULL, NULL, NULL, NULL, 2);
  if (ret != 2)
    while(1);
  while(1);
}