Initial commit of files

utils/picrate/20.mhz

@@ -0,0 +1,13 @@
+4 = 250000, 12.00
+9 = 125000, 24.00
+14 = 83333, 36.00
+19 = 62500, 48.00
+24 = 50000, 60.00
+29 = 41666, 72.00
+34 = 35714, 84.00
+39 = 31250, 96.00
+44 = 27777, 108.00
+49 = 25000, 120.00
+54 = 22727, 132.00
+59 = 20833, 144.00
+64 = 19230, 156.01

utils/picrate/40.mhz

@@ -0,0 +1,13 @@
+4 = 500000, 6.00
+9 = 250000, 12.00
+14 = 166666, 18.00
+19 = 125000, 24.00
+24 = 100000, 30.00
+29 = 83333, 36.00
+34 = 71428, 42.00
+39 = 62500, 48.00
+44 = 55555, 54.00
+49 = 50000, 60.00
+54 = 45454, 66.00
+59 = 41666, 72.00
+64 = 38461, 78.00

utils/picrate/picrate.c

@@ -0,0 +1,20 @@
+#include <stdio.h>
+
+int main()
+{
+	int pic;
+	int rate;
+	double usb;
+	int div;
+
+	for ( pic=1; pic<=64 ; pic++ )
+	{
+		rate = 40000000 / ((pic+1)*16);
+		usb = 3000000.0 / (double)rate;
+
+		div = (int)usb;
+		if ( usb - (double)div < .01 ) 
+			printf( "%d = %d, %.2f\n", pic, rate, usb );
+	}
+}
+