// From http://dustyoldcomputers.com/pdp8/pdp8i/testprogs/ttychars.html cla / clear accumulator tls / dummy write (to clear flag) loop, tsf / skip if flag set jmp loop / loop waiting for flag to clear iac / next character tls / write character to TTY jmp loop / loop for next character #! SR 0; LOAD ADDRESS ; clear !#