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| Keywords: 320 jump read arm.gif en Example of a 29-state read arm The circuitry allows the series of quiescent south-pointing ordinary cells to be treated as bits storing information The animated gif was produced by a Java program contact me for source code the original cellular automaton pattern was created by Renato Nobili renato nobili pd infn it and lifted from the Golly simulator Read arm demo Author Renato Nobili <renato nobili pd infn it> Controls are provided to direct the read arm r-arm Set the machine running at a slow speed to see it working A pulse on the input line IN causes the pattern to send one of two signal-trains down the output line OUT depending on the presence 1 or absence 0 of a mark on the tape at the current position The reading head then moves forward ready to read the next cell As with the construction arm OTS blue and STS red lines work together to manipulate the cells at the end of the read arm Various coders C and decoders D are used to send the required signal trains which depend on the output of the read operation since the read head is left in one of two states Other controls not shown are needed to retract the read-arm http //www pd infn it/~rnobili/wjvn/index htm http //www pd infn it/~rnobili/au_cell/ http //en wikipedia org/wiki/Von_Neumann_universal_constructor http //en wikipedia org/wiki/Von_Neumann_cellular_automata Originally distributed as RW-ARM_ADV JVN Redistributed with permission own 06 06 27 August 2009 UTC Simpsons contributor talk Simpsons contributor en Original upload log en wikipedia ftcg page en wikipedia 320_jump_read_arm gif wikitable - 08 29 30 August 2009 1 157 × 602 1 791 087 bytes Simpsons contributor w en <nowiki> </nowiki> - 06 06 27 August 2009 1 157 × 602 2 019 057 bytes Simpsons contributor w en <nowiki> Example of a 29-state read arm The circuitry allows the series of quiescent south-pointing ordinary cells to be treated as bits storing information A read arm is one of four parts essential to a von-Neumann universal con </nowiki> Uncategorized 2013 April 26 | ||||
