m...@netbsd.org (Emmanuel Dreyfus) writes: >Another test, outputing "hello world!\r\nxx" (two x) and then >"HELLO WORLD!\r\nX" (one X)
>The display is (mind the leading space) > ELLO WORLD! >Xx You could try to dump the bytes you receive instead of deducing them from the visible output. If that's real hardware, I'd guess that the symptoms come from a hardware problem like a missing ground.