Hello! I want to write a program in C51 (keil uvision2), for writing data on LCD module, the LCD module has been connected as memory mapped i/o device(through "latch 74573" with port 0),the address for writing commands is 0x0000 and for data is 0x0001,controller is 89C51. and also tell me that how I can access different memory mapped i/o devices in C51. thanks in advance