diff --git a/solve/solve b/solve/solve
index 93db8d4..5bf9bde 100644
Binary files a/solve/solve and b/solve/solve differ
diff --git a/solve/solve.s b/solve/solve.s
index 6327989..c0ede8a 100644
--- a/solve/solve.s
+++ b/solve/solve.s
@@ -73,9 +73,68 @@ sd tape, 0x01
 sd tape, 0x02
 sd tape, 0x03
 ; {a, b, c, d}
+; [i[0], i[1], i[2], i[3] + i[0]]
+; - add i[3] and i[0]
+
+; [i[0], i[1], i[2], (i[3] + i[0]) ^ i[1]]
+; - xor i[1] with i[3] + i[0], pop from arith
+
+; [i[0] + i[1], i[1], i[2], (i[3] + i[0]) ^ i[1]]
+; - add i[0] and i[1], pop from arith
+
+; [i[0] + i[1], i[1], (i[0] + i[1]) ^ i[2], (i[3] + i[0]) ^ i[1]]
+; - xor i[0] + i[1] with i[2], pop from arith
+
+; [i[2], i[1], (i[0] + i[1]) ^ i[2], (i[3] + i[0]) ^ i[1]]
+; - xor (i[0] + i[1]) ^ i[2] with i[0] + i[1], pop from arith
+
+; [i[2], i[2] + i[1], (i[0] + i[1]) ^ i[2], (i[3] + i[0]) ^ i[1]]
+; - add i[2] + i[1], pop from arith | store i[2] + i[1] in arith
+
+; [i[2], i[3], (i[0] + i[1]) ^ i[2], (i[3] + i[0]) ^ i[1]]
+; - pop i[3] from tape use previous i[1] + i[2] from arith to xor
+
+; [i[2], (i[2] + i[1]) ^ i[3], (i[0] + i[1]) ^ i[2], (i[3] + i[0]) ^ i[1]]
+; - use previous i[1] + i[2] from arith to xor and pop
+
+; [i[1], (i[2] + i[1]) ^ i[3], (i[0] + i[1]) ^ i[2], (i[3] + i[0]) ^ i[1]]
+; - put i[2] in arith, pop i[1] from tape
+
+; [i[2] + i[1], (i[2] + i[1]) ^ i[3], (i[0] + i[1]) ^ i[2], (i[3] + i[0]) ^ i[1]]
+; - put i[1] in arith, add, pop
+
+; [i[3], (i[2] + i[1]) ^ i[3], (i[0] + i[1]) ^ i[2], (i[3] + i[0]) ^ i[1]]
+; - xor i[2] + i[1] with (i[2] + i[1]) ^ i[3]
+
+; [i[2], (i[2] + i[1]) ^ i[3], (i[0] + i[1]) ^ i[2], (i[3] + i[0]) ^ i[1]]
+; - put i[3] in arith, pop i[2] from tape
+
+; [i[2] + i[3], (i[2] + i[1]) ^ i[3], (i[0] + i[1]) ^ i[2], (i[3] + i[0]) ^ i[1]]
+; - put i[2] in arith, add to i[3]
+
+
+; [i[0], (i[2] + i[1]) ^ i[3], (i[0] + i[1]) ^ i[2], (i[3] + i[0]) ^ i[1]]
+; - put i[2] + i[3] in arith, pop i[0] from tape
+
+; [(i[2] + i[3]) ^ i[0], (i[2] + i[1]) ^ i[3], (i[0] + i[1]) ^ i[2], (i[3] + i[0]) ^ i[1]]
+; - xor in arith
+
+; push all to tape
+; pop all back into mem in correct spot
+
+
+; routine for doing overflowing add
+; [a, b]
+; [255 - a, b]
+; 255 - a < b
+;    a = b - [255 - a]
+; 255 - a >= b
+;    a = a + b
+; 
 
 
 
+le 0x00, 0x01, label
 sd disp, 0x00
-sd disp, 0x01
-
+label: 
+    sd disp, 0x01