111. SES – Set Signed Flag
111.1. Description
Sets the Signed Flag (S) in SREG (Status Register).
Operation:
(i) S ← 1
Syntax: Operands: Program Counter:
(i) SES None PC ← PC + 1
16-bit Opcode:
1001 0100 0100 1000
111.2. Status Register (SREG) and Boolean Formula
I T H S V N Z C
– – – 1 – – – –
S 1
Signed Flag set.
Example:
add r2,r19 ; Add r19 to r2
ses ; Set Negative Flag
Words 1 (2 bytes)
Cycles 1
Atmel AVR Instruction Set Manual [OTHER]
Atmel-0856L-AVR-Instruction-Set-Manual_Other-11/2016
164
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