Getting out of the box! Looking at how to read from and write to a simulate console (DL11). Looking at UNIBUS addresses, working with the data registers, and with the status registers. First we'll do this through the SimH debugger, then through small code snippets.
pdp11 peripherals handbook: https://bitsavers.org/pdf/dec/pdp11/handbooks/PDP-11_PeripheralsHbk_1976.pdf