Function pir_8_emu::binutils::pir_8_emu::display::ports_rw_write

pub fn ports_rw_write(x_start: usize, y_start: usize)

Prepare the "Port activity" window at the specified coords

The window is 13x6, laid out as follows:

Port activity
<port_acts>

Where <port_acts> is either {none}, or up to 5 lines in the following format:

00 ← 0x10
01 → 0x11
02 ≡ 0x12

Where port 0x00 was written to and has value 0x10, port 0x01 was read from and has value 0x11, and port 0x02 was read from and written to and has value 0x12,