hex.xor_byte_from_ptr¶

like:  dst[:2] ^= *ptr
dst is a hex[2:]. ptr is a hex[:w/4] that holds an address, which we assume is dw-aligned.

Signature¶

def xor_byte_from_ptr dst, ptr < hex.pointers.read_byte { ... }

Defined in hex/pointers/xor_from_pointer.fj — lines 16–20 (view on GitHub).

Complexity¶

  • Time: w(0.75@+ 5) + 7@+13

  • Space: w(0.75@+29) + 7@+48

See the complexity glossary for what @, w, dw, dbit, n mean.

Depends on¶

Used by¶