A simple binary mix utility. This created for decode a ROM of 8-bit EPROM x2 used as 16-bit EPROM.
cargo install --git https://github.com/yanorei32/binary-mixer
$ binary-mixer mix <(echo -n "Hlo") <(echo -n "el!") out0
$ xxd out0
00000000: 4865 6c6c 6f21 Hello!
$
$ binary-mixer split <(echo -n "Hello!") out0 out1
$ xxd out0
00000000: 486c 6f Hlo
$ xxd out1
00000000: 656c 21 el!
$