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Flow-control: Control the flow during genome execution which is otherwise linear
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if-label (f)
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Executes the next instruction in the genome sequence if the flow head is at a specified label. In the ancestral copy-loop, this instruction makes sure that the division instruction is executed only when the entire genome has been copied.
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Reproduction (Biological): Assist in copying of genome sequence during replication
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h-copy (v)
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Copies a single instruction from parent genome to offspring genome
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h-divide (x)
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Separates offspring genome from parent and places the offspring organism in the cell faced by parent
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h-search (z)
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Finds a specified label in the genome and moves a specified head to this label. In the copy-loop, this instruction ensures the flow head returns to the start of the loop on reaching the end of the genome.
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Messaging: Allow organisms to send and receive messages
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send-msg (B)
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Send a message (containing numbers stored in two of the registers) to the neighbor in the direction the organism currently faces.
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retrieve-msg (C)
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Retrieves messages into specified registers from the messaging buffer
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bcast1 (D)
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Sends a message to all the eight nearest neighbors
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Rotation: Allow organisms to change the direction they are facing
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rotate-left-one (E)
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Rotates the organism by a unit in the anticlockwise direction
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rotate-right-one (F)
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Rotates the organism by a unit in the clockwise direction
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