X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?a=blobdiff_plain;f=tools%2Flutgen.c;fp=tools%2Flutgen.c;h=c3f003a9f605390be7a579609bb55a4b40347ea5;hb=2718dd43c524c4b313de8acc3cc97c497810064b;hp=0000000000000000000000000000000000000000;hpb=6a650e3e08da161fcebeb9181da60e110893fa8b;p=gbajam21

diff --git a/tools/lutgen.c b/tools/lutgen.c
new file mode 100644
index 0000000..c3f003a
--- /dev/null
+++ b/tools/lutgen.c
@@ -0,0 +1,16 @@
+#include <stdio.h>
+#include <math.h>
+
+int main(void)
+{
+	int i;
+
+	puts("\t.data");
+	puts("\t.globl sinlut");
+	puts("sinlut:");
+	for(i=0; i<256; i++) {
+		float x = sin((float)i / 128.0f * M_PI);
+		printf("\t.byte %d\n", (int)(x * 127.5f - 0.5f));
+	}
+	return 0;
+}