
5-149
Z380
™
USER'S MANUAL
ZILOG
DC-8297-03
RLCA
ROTATE LEFT CIRCULAR (ACCUMULATOR)
RLCA
Operation: tmp ← A
C ← A(7)
A(0) ← tmp(7)
A(n+1) ← tmp(n) for n = 0 to 6
The contents of the accumulator are rotated left one bit position. Bit 7 of the accumulator is
moved to the bit 0 position and also replaces the Carry flag.
Flags: S: Unaffected
Z: Unaffected
H: Cleared
P: Unaffected
N: Cleared
C: Set if the bit rotated from bit 7 was a 1; cleared otherwise
Addressing Execute
Mode Syntax Instruction Format Time Note
RLCA 00000111 2
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