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Graphics Interchange Format  |  1995-08-05  |  66.3 KB  |  634x513  |  8-bit (150 colors)
   ocr: FIGURE 6. What a crossover looks like. SAMPLE MEMORY LAYOUT OBJECT LOCATION: TYPE: POINTS TO: 0000 CONSTANT 2 0010 CONSTANT 3 0020 VARIABLE CURRENT X 0030 VARIABLE CURRENT Y 0040 VARIABLE CURRENT Z 0050 FUNCTION ADDO 0060 FUNCTION MULTIPLYO 0070 FUNCTION SUBTRACTO EXPRESSION: TREE OBJECT POINTER ARRAY: BEFORE MATING: 3X+Y+Z: 0050 0060 0010 0020 0050 0030 0040 CROSSOVER NODES SUBTREES TO SWAP YZ-2: 0070 0060 0030 0040 0000 YZ+Y+Z 0050 0060 0030 0040 0050 0030 0040 AFTER MATING: 3X-2 0050 0060 0030 0040 0050