Operations:

Format

Syntax:

Operation:

Operands:

Architecture revision

Opcode

1

tnbz Rd

 if (Rd[31:24] == 0 OR 
     Rd[23:16] == 0 OR
     Rd[15:8] == 0 OR Rd[7:0] == 0 ) 
   SR[Z] = 1;
else 
   SR[Z] = 0;
d ∈ {0, 1, …, 15}

Rev1+

010111001110

Rd

12

4

Description

If any of the bytes 0,1,2,3 in the word is zero, the SR[Z] flag is set.

Status Flags:

Q:

Not affected.

V:

Not affected.

N:

Not affected.

Z:

Z = (Rd[31:24] == 0 OR Rd[23:16] == 0 OR Rd[15:8] == 0 OR Rd[7:0] == 0 )

C:

Not affected.