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Rlca rotate left circular (accumulator) – Zilog Z80380 User Manual

Page 183

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Z380

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SER

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S

M

ANUAL

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ILOG

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