X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=samples%2Fsieve.c;h=cb6783c935ad4e997fdb76c928301b7c439a1451;hb=d184d938fd31424397847b985841ff45e5c4a94c;hp=e04fc6fcae74f2493d0a175952af789c6b533fad;hpb=0bb81e5c369bf6f191f6b23d0ae334b7c23b353a;p=cc65

diff --git a/samples/sieve.c b/samples/sieve.c
index e04fc6fca..cb6783c93 100644
--- a/samples/sieve.c
+++ b/samples/sieve.c
@@ -26,11 +26,15 @@ static unsigned char Sieve[COUNT];
 
 
 /*****************************************************************************/
-/*     	      	    	  	     Code				     */
+/*     	      	    	  	     Code     	      			     */
 /*****************************************************************************/
 
 
 
+#pragma staticlocals(1);
+
+
+
 int main (void)
 {
     /* Clock variable */
@@ -41,6 +45,11 @@ int main (void)
     register unsigned 	    I;
     register unsigned 	    J;
 
+    /* Output a header */
+    printf ("Sieve benchmark - calculating primes\n");
+    printf ("between 2 and %u\n", COUNT);
+    printf ("Please wait patiently ...\n");
+
     /* Read the clock */
     Ticks = clock();
 
@@ -62,21 +71,21 @@ int main (void)
     /* Calculate the time used */
     Ticks = clock() - Ticks;
 
-    /* Print the time used and wait for a key */
+    /* Print the time used */
     printf ("Time used: %lu ticks\n", Ticks);
     printf ("Press Q to quit, any other key for list\n");
-    if (toupper (cgetc()) == 'Q') {
-	exit (EXIT_SUCCESS);
-    }
 
-    /* Print the result */
-    for (I = 2; I < COUNT; ++I) {
-	if (Sieve[I] == 0) {
-	    printf ("%4d\n", I);
-	}
-	if (kbhit() && toupper (cgetc()) == 'q') {
-	    break;
-	}
+    /* Wait for a key and print the list if not 'Q' */
+    if (toupper (cgetc()) != 'Q') {
+     	/* Print the result */
+     	for (I = 2; I < COUNT; ++I) {
+     	    if (Sieve[I] == 0) {
+     		printf ("%4d\n", I);
+     	    }
+     	    if (kbhit() && toupper (cgetc()) == 'Q') {
+     		break;
+     	    }
+     	}
     }
 
     return EXIT_SUCCESS;