vertical wave

[snes_test1] / sintab / sintab.c

diff --git a/sintab/sintab.c b/sintab/sintab.c
new file mode 100644 (file)
index 0000000..150a32d
--- /dev/null
+++ b/sintab/sintab.c
@@ -0,0 +1,13 @@
+#include <stdio.h>
+#include <math.h>
+
+int main(void)
+{
+       int i;
+
+       printf("sintab:\n");
+       for(i=0; i<256; i++) {
+               float s = sin(i * 2.0 * M_PI / 256.0) * 0.5 + 0.5;
+               printf("\t.byte %d\n", (int)(s * 255.0));
+       }
+}