n--------------m n--m | n---------m | |CY|<-T-|7<------0|<-u v--u v---------u A

RLCA

None

b7 | b6 | b5 | b4 | b3 | b2 | b1 | b0 | |
---|---|---|---|---|---|---|---|---|

0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | $07 |

The contents of the Accumulator (Register A) are rotated left 1 bit position. The sign bit (bit 7) is copied to the Carry flag and also to bit 0. Bit 0 is the least-significant bit.

S | is not affected. |

Z | is not affected. |

H | is reset. |

P/V | is not affected. |

N | is reset. |

C | is data from bit 7 of Accumulator. |

The Accumulator contains the following data:

7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
---|---|---|---|---|---|---|---|

1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |

Upon the execution of

RLCA

the Accumulator and Carry flag contains:

C | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
---|---|---|---|---|---|---|---|---|---|

1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 |