At the time of commit 91af87fa4e42dced1d22d3cb620e84e6edb91817, OF816 for the Neon816
is configured to run out of any available ROM bank at starting address $0000. It configures
the MMU hopefully like NeonFORTH does, sets the data stack from $0000-$01FF and the return stack from $0200-$03FF. It hopefully also configures the serial port.