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Rlc (hl) – Zilog Z08470 User Manual

Page 225

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UM008007-0715

Z80 Instruction Description

Z80 CPU

User Manual

213

RLC (HL)

Operation

Op Code

RLC

Operand

(HL)

Description

The contents of the memory address specified by the contents of register pair HL are
rotated left 1 bit position. The contents of bit 7 are copied to the Carry flag and also to bit
0. Bit 0 is the least-significant bit.

Condition Bits Affected

S is set if result is negative; otherwise, it is reset.

Z is set if result is 0; otherwise, it is reset.

H is reset.

P/V is set if parity even; otherwise, it is reset.

N is reset.

C is data from bit 7 of source register.

M Cycles

T States

4 MHz E.T.

4

15 (4, 4, 4, 3)

3.75

CY

7

0

(HL)

1

1

0

1

1

0

0

1

CB

0

0

0

1

0

1

0

0

06

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