SETcc sets the given 8-bit operand to zero if its condition is
not satisfied, and to 1 if it is.
setnb
386 and laterSet byte if not below (CF == 0)
setnb r/m8 | setnb reg64 | setnb reg32Loading...
Forms
Every form of setnb the assembler accepts, from NASM's own instruction table.
The second column is the processor that introduced the form; a badge marks a form that needs
an extension, that is lockable, or that long mode dropped.
| Form | Since | Notes |
|---|---|---|
| setnb r/m8 | 386 | long |
| setnb reg64 | x86-64 | apxlong |
| setnb reg32 | x86-64 | apxlong |