sdcc/support/regression/tests/bug-3223.c

   1 /*
   2    bug-3223.c
   3    A bug in tracking of register pair hl over ldir
   4  */
   5
   6 #include <testfwk.h>
   7
   8 typedef unsigned long   uint32;
   9 typedef unsigned short  addr16;
  10 typedef unsigned short  uint16;
  11 typedef unsigned char   uint8;
  12
  13 uint32* memory = 0;
  14
  15 void memWrite(uint32 sectorNumber){
  16     uint16 value = 200;
  17     uint32* byte51202 = memory + 02;
  18     *byte51202 = sectorNumber;
  19     memory[3]=100;
  20     memory[0]=value;
  21 }
  22
  23 void
  24 testBug (void)
  25 {
  26     uint32 buffer[4];
  27     memory = buffer;
  28     memWrite(42);
  29     ASSERT(buffer[2] == 42);
  30     ASSERT(buffer[3] == 100);
  31     ASSERT(buffer[0] == 200);
  32 }
  33