It seems the "HELLO WORLD" program I posted has problems. If certain characters are added to the seventh digit, the second digit becomes corrupted. The attached program is the same as the other one, with the digit "8" added after the "D" in "WORLD". You see that the "W" loses the "L" segment. I believe that this is happening because I'm trying to write characters at the wrong time. I have tried using "Type-B waveforms" and the LCD interrupt, but I don't understand how to use this interrupt. Does anyone have any ideas? Thank you.
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