hex.xor_hex_from_ptr

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

Signature

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

Defined in hex/pointers/xor_from_pointer.fj — lines 6–10 (view on GitHub).

Complexity

• Time: w(0.75@+ 5) + 6@+13

• Space: w(0.75@+29) + 6@+36

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

Depends on

• hex.pointers.read_byte_from_inners_ptrs

• hex.pointers.set_flip_and_jump_pointers

• hex.xor/2

Used by

• hex.read_hex/2