diff --git a/INSTALL b/INSTALL
new file mode 100644
index 0000000..52dc595
--- /dev/null
+++ b/INSTALL
@@ -0,0 +1,9 @@
+Until I fix the AM/AC configs/scripts, here is what makes it compile:
+
+automake
+autoreconf
+automake --add-missing
+autoreconf
+automake
+./configure
+make
\ No newline at end of file
diff --git a/TODO b/TODO
index 7903d96..8f776bd 100644
--- a/TODO
+++ b/TODO
@@ -16,4 +16,6 @@ ITEMS
 1. Improve the performance (though not bad)
 2. Optimize bits operations
 3. Remove dead-code/commented block after testing
-4. Proper error handling in some cases (not critical errors, but nice to have checks in place)
\ No newline at end of file
+4. Proper error handling in some cases (not critical errors, but nice to have checks in place)
+5. Periodically save the state (or most important part of it at least) such as of Nt/Nr arrays, etc., so that it can later be resumed on the same card
+6. Calibration methodology and routine for MFCUK to determine best field on/off delays so that it generates the lowest entropy for tag's Nt values
\ No newline at end of file
diff --git a/src/crapto1.h b/src/crapto1.h
index 7547344..93a689b 100644
--- a/src/crapto1.h
+++ b/src/crapto1.h
@@ -61,13 +61,15 @@ static inline int parity(uint32_t x)
 	x ^= x >> 4;
 	return BIT(0x6996, x & 0xf);
 #else
-	asm(    "movl %1, %%eax\n"
+	__asm__(
+		"movl %1, %%eax\n"
 		"mov %%ax, %%cx\n"
 		"shrl $0x10, %%eax\n"
 		"xor %%ax, %%cx\n"
 		"xor %%ch, %%cl\n"
 		"setpo %%al\n"
-		"movzx %%al, %0\n": "=r"(x) : "r"(x): "eax","ecx");
+		"movzx %%al, %0\n": "=r"(x) : "r"(x): "eax","ecx"
+	);
 	return x;
 #endif
 }