用pic写的液晶读写程序，读液晶显示器状态子程序，行参E代表液晶的边-LCD with pic to read and write process to write and read LCD status subroutine, line the edge parameter E on behalf of LCD

TH1621驱动LCD液晶屏的PIC单片机汇编语言源代码-TH1621 drive LCD screen PIC microcontroller assembly language source code