6.101.1 Description

This instruction tests a single bit in a register and skips the next instruction if the bit is set.

Operation:

(i)

If Rr(b) == 1 then PC ← PC + 2 (or 3) else PC ← PC + 1

Syntax:

Operands:

Program Counter:

(i)

SBRS Rr,b

0 ≤ r ≤ 31, 0 ≤ b ≤ 7

PC ← PC + 1, Condition false - no skip

PC ← PC + 2, Skip a one word instruction

PC ← PC + 3, Skip a two word instruction

16-bit Opcode:

1111111rrrrr0bbb