HT46R46 datasheet(35/42 Pages) HOLTEK

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SUB A,[m]

Subtract data memory from the accumulator

Description

The specified data memory is subtracted from the contents of the accumulator, leaving the

result in the accumulator.

Operation

ACC

¬ ACC+[m]+1

Affected flag(s)

PDF

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SUBM A,[m]

Subtract data memory from the accumulator

Description

The specified data memory is subtracted from the contents of the accumulator, leaving the

result in the data memory.

Operation

[m]

¬ ACC+[m]+1

Affected flag(s)

PDF

ÖÖÖÖ

SUB A,x

Subtract immediate data from the accumulator

Description

The immediate data specified by the code is subtracted from the contents of the accumula-

tor, leaving the result in the accumulator.

Operation

ACC

¬ ACC+x+1

Affected flag(s)

PDF

ÖÖÖÖ

SWAP [m]

Swap nibbles within the data memory

Description

The low-order and high-order nibbles of the specified data memory (1 of the data memo-

ries) are interchanged.

Operation

[m].3~[m].0

« [m].7~[m].4

Affected flag(s)

PDF

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SWAPA [m]

Swap data memory and place result in the accumulator

Description

The low-order and high-order nibbles of the specified data memory are interchanged, writ-

ing the result to the accumulator. The contents of the data memory remain unchanged.

Operation

ACC.3~ACC.0

¬ [m].7~[m].4

ACC.7~ACC.4

¬ [m].3~[m].0

Affected flag(s)

PDF

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HT46R46/HT46C46/HT46R47/HT46C47

Rev. 1.00

December 28, 2004

HT46R46 Datasheet(PDF) 35 Page - Holtek Semiconductor Inc

HT46R46 Datasheet(HTML) 35 Page - Holtek Semiconductor Inc

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