char* myStr;
myStr = strUpper('Testing this string'); //myStr points a constant 19 bytes
print('myStr = ', myStr, '\r\n');

string myStr;
myStr = 'testing';

myStr = 'This is a longer string that will not fit into the 32 character buffer so will need to be extended';

eax = [mystring_address];
if (total_new > eax) {
   eax = total_new + allign to 32 byte boundary

   reallocate old string to new buffer and free old buffer

   set first 4 bytes to new size
}

block string
{
   DWord strLen;
   char* strAddr;
}

function H_GetTmpStr(DWord sizeInByte)
{
   uses Ebx Ecx;   
   global int32   StrCnt;
   global char*   StrFunc[2048];
   Eax = StrCnt;
   Eax++;
   and Eax,2047
   StrCnt = Eax;
   Ebx = @StrFunc;
   lea Ebx,[Ebx+Eax]
   Eax=DWord[Ebx];
   if( Eax> 0)
    {
       freemem( Eax);
    }
   [Ebx]= malloc(sizeInByte);
}

eax = 1;

mov eax, 5