Each line has its own address in the HD44780.
Line 1 = $80
Line 2 = $C0
Line 3 = $90
Line 4 = $D0
You would need RS = 0 to send a command and send your line address, then RS = 1 and send the string.
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Re: help with 4 x 20 LCD
Each line has its own address in the HD44780.
Line 1 = $80
Line 2 = $C0
Line 3 = $90
Line 4 = $D0
You would need RS = 0 to send a command and send your line address, then RS = 1 and send the string.
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