Operations:

Syntax:

Operation:

Operands:

Program Counter:

Opcode

Comment

Stack

SEN

N = 1

None

PC = PC + 1

1001010000101000

Description

Sets the Negative (N) flag in SREG (Status Register). (Equivalent to instruction BSET 2.)

Status Register (SREG) and Boolean Formula

I

–

T

–

H

–

S

–

V

–

N

1

1

Negative flag set.

Z

–

C

–

Example: 

      add   r2,r19  ; Add r19 to r2
      sen           ; Set Negative flag

Words

1 (2 bytes)

Table Cycles

Name

Cycles

AVRe

1

AVRxm

1

AVRxt

1

AVRrc

1