1 files changed, 33 insertions, 0 deletions
diff --git a/calc.c b/calc.c
new file mode 100644
index 0000000..51ef6e2
--- /dev/null
+++ b/calc.c
@@ -0,0 +1,33 @@
+#include "global.h"
+#include "calc.h"
+#include "syscalls.h"
+
+int TDist[64];
+
+static uint lastrandom = 0x123456;
+
+void seedrandom(void)
+{
+	lastrandom = RTC_GetTicks();
+}
+
+unsigned int random()
+{
+	lastrandom = (0x41C64E6D*lastrandom) + 0x3039;
+	return (lastrandom >> 16);
+}
+
+void table()
+{
+	int x;
+	for(x = 0; x < 64; x++)
+	{
+		TDist[x] = (64 << 8) / (2.0 * x - 64);
+	}
+}
+
+void fill(uint *ptr, uint element, uint arraysize)
+{
+	for(;arraysize > 0; arraysize--, ptr++)
+		*ptr = element;
+}