Add add_mantissas_FAC2_FAC1

tools/similarity.c

@@ -20,14 +20,13 @@ int matches[MAX_SIZE];
 
 int phase_mask[MAX_SIZE+MAX_SIZE];
 
-#define NUM_CHUNKS 9
+#define NUM_CHUNKS 8
 // Pairs of start, end memory addresses of known exact similarity with the open source Microsoft BASIC
 unsigned short microsoft_basic_chunks[NUM_CHUNKS * 2] = {
     0xB391, 0xB39D,
     0xB3A2, 0xB3A5,
     0xB849, 0xB869,
-    0xB8D2, 0xB8FD,
-    0xB91D, 0xB97D,
+    0xB8D2, 0xB97D,
     0xB983, 0xB9BB,
     0xBA8C, 0xBAB6,
     0xBBA2, 0xBC1A,