HT45F23 datasheet(141/152 Pages) HOLTEK

141 / 152 page

RLC [m]

Rotate Data Memory left through Carry

Description

The contents of the specified Data Memory and the carry flag are rotated left by 1 bit. Bit

7 replaces the Carry bit and the original carry flag is rotated into bit 0.

Operation

[m].(i+1)

¬ [m].i; (i = 0~6)

[m].0

¬ C

¬ [m].7

Affected flag(s)

RLCA [m]

Rotate Data Memory left through Carry with result in ACC

Description

Data in the specified Data Memory and the carry flag are rotated left by 1 bit. Bit 7 re-

places the Carry bit and the original carry flag is rotated into the bit 0. The rotated result

is stored in the Accumulator and the contents of the Data Memory remain unchanged.

Operation

ACC.(i+1)

¬ [m].i; (i = 0~6)

ACC.0

¬ C

¬ [m].7

Affected flag(s)

RR [m]

Rotate Data Memory right

Description

The contents of the specified Data Memory are rotated right by 1 bit with bit 0 rotated

into bit 7.

Operation

[m].i

¬ [m].(i+1); (i = 0~6)

[m].7

¬ [m].0

Affected flag(s)

None

RRA [m]

Rotate Data Memory right with result in ACC

Description

Data in the specified Data Memory and the carry flag are rotated right by 1 bit with bit 0

rotated into bit 7. The rotated result is stored in the Accumulator and the contents of the

Data Memory remain unchanged.

Operation

ACC.i

¬ [m].(i+1); (i = 0~6)

ACC.7

¬ [m].0

Affected flag(s)

None

RRC [m]

Rotate Data Memory right through Carry

Description

The contents of the specified Data Memory and the carry flag are rotated right by 1 bit.

Bit 0 replaces the Carry bit and the original carry flag is rotated into bit 7.

Operation

[m].i

¬ [m].(i+1); (i = 0~6)

[m].7

¬ C

¬ [m].0

Affected flag(s)

RRCA [m]

Rotate Data Memory right through Carry with result in ACC

Description

Data in the specified Data Memory and the carry flag are rotated right by 1 bit. Bit 0 re-

places the Carry bit and the original carry flag is rotated into bit 7. The rotated result is

stored in the Accumulator and the contents of the Data Memory remain unchanged.

Operation

ACC.i

¬ [m].(i+1); (i = 0~6)

ACC.7

¬ C

¬ [m].0

Affected flag(s)

HT45F23/HT45F43

8-Bit Flash MCU with Op Amps & Comparators

Rev. 1.20

141

September 15, 2011

HT45F23 데이터시트(PDF) 141 Page - Holtek Semiconductor Inc

HT45F23 데이터시트(HTML) 141 Page - Holtek Semiconductor Inc

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