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