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Custom Lcd Driver Hitachi 2x16


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I am a newbe with AVR and codevision compiler. I have a AVR learner board with Hitachi 44780 lcd display. I am trying out the driver provided by codevision. There is a small problem. The lcd on the board is wired as under: port C, 0-2 controls lines,3-6 are data lines. The driver provided with code vision works fine with data lines 4-7, How to i modify the driver binaries to output data on lines 3-6 of port C. Any help is appreciated.

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