HT47C20 datasheet(39/56 Pages) HOLTEK

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Instruction Definition

ADC A,[m]

Add data memory and carry to accumulator

Description

The contents of the specified data memory, accumulator and the carry

flag are added simultaneously, leaving the result in the accumulator.

Operation

ACC ¬ ACC+[m]+C

Affected flag(s)

TC2 TC1

ÖÖÖÖ

ADCM A,[m]

Add accumulator and carry to data memory

Description

The contents of the specified data memory, accumulator and the carry

flag are added simultaneously, leaving the result in the specified data

memory.

Operation

[m] ¬ ACC+[m]+C

Affected flag(s)

TC2 TC1

ÖÖÖÖ

ADD A,[m]

Add data memory to accumulator

Description

The contents of the specified data memory and the accumulator are

added. The result is stored in the accumulator.

Operation

ACC ¬ ACC+[m]

Affected flag(s)

TC2 TC1

ÖÖÖÖ

ADD A,x

Add immediate data to accumulator

Description

The contents of the accumulator and the specified data are added, leav-

ing the result in the accumulator.

Operation

ACC ¬ ACC+x

Affected flag(s)

TC2 TC1

ÖÖÖÖ

HT47C20

January 18, 2000

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