update fibonacci.c

1 files changed, 5 insertions, 5 deletions

diff --git a/fibonacci.c b/fibonacci.c
index 5442fbd..5bb7af6 100644
--- a/fibonacci.c
+++ b/fibonacci.c
@@ -1,13 +1,13 @@
 void
 _start()
 {
-  int *fib0 = 0, *fib1 = 1;
+  volatile unsigned int *fib = (unsigned int *)0x100;
 
-  *fib0 = 0;
-  *fib1 = 1;
+  fib[0] = 0;
+  fib[1] = 1;
 
-  for (int *fibx = 2*4; *fibx <= 15*4; fibx += 4)
-    *fibx = *(fibx - 4) + *(fibx - 8);
+  for (unsigned int i = 2; i <= 15; i++)
+    fib[i] = fib[i - 1] + fib[i - 2];
 
   for (;;);
 }