S3C9442 datasheet(15/50 Pages) SAMSUNG

Part #	S3C9442

Description	SAM88RCRI INSTRUCTION SET

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Manufacturer	SAMSUNG [Samsung semiconductor]

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S3C9442/C9444/F9444/C9452/C9454/F9454

SAM88RCRI INSTRUCTION SET

6-15

CCF — Complement Carry Flag

CCF

Operation:

C

← NOT C

The carry flag (C) is complemented. If C = "1", the value of the carry flag is changed to logic

zero; if C = "0", the value of the carry flag is changed to logic one.

Flags:

C:

Complemented.

No other flags are affected.

Format:

Bytes

Cycles

Opcode

(Hex)

opc

1

4

EF

Example:

Given: The carry flag = "0":

CCF

If the carry flag = "0", the CCF instruction complements it in the FLAGS register (0D5H),

changing its value from logic zero to logic one.

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