Hi to all, I tried pic'n up the pace lcd example code with my lcd demo board and it doesn't work. this is what I like to ask you. I am driving 4 bit mode. 1. are control instructions compatible to every lcd modules ? 2. is there any instruction for lcd to identify what kind of chip it uses ? attached is asm file includes hardware info any help will highly appreciated. Andre Content-Type: application/octet-stream; name="74test.asm" Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename="74test.asm" Attachment converted: creation:74test.asm (????/----) (0001640D)