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SYNTAX      [<LABEL>] RTC

OPERANDS    None

EXECUTION   (PC) + 1 . PC
            0 . TC test/control flag in status register ST1
            Affects TC.

DESCRIPTION The TC (test/control) flag in status register ST1 is reset to
            logic zero. TC may also be loaded by the LST1 and STC
            instructions.

WORDS       1

ENCODING    15 14 13 12 11 10  9  8  7  6  5  4  3  2  1  0
            +-----------------------------------------------+
            |1  1  0  0  1  1  1  0  0  0  1  1  0  0  1  0 |
            +-----------------------------------------------+

CYCLES

            +-----------------------------------------------+
            |     Cycle Timings for a Single Instruction    |
            |-----------------------------------------------|
            | PI/DI | PI/DE | PE/DI | PE/DE | PR/DI | PR/DE |
            |-------+-------+-------+-------+-------+-------|
      'C25  |   1   |   1   |  1+p  |  1+p  |   1   |   1   |
            |-----------------------------------------------|
            |     Cycle Timings for a Repeat Instruction    |
            |-----------------------------------------------|
      'C25  |   n   |   n   |  n+p  |  n+p  |   n   |   n   |
            +-----------------------------------------------+



EXAMPLE     RTC               TC (test/control) flag is set to logic zero.
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