hi... how can I get "up arrow","down arrow","right arrow" and "left arrow" key via RS-232 to 8051?? these keys are include two ascii key code. thx for you help!! regards. jason
"these keys are include two ascii key code." Pardon? I don't understand what you mean by that! The ASCII does not define any codes for these keys - you will have to make up your own encoding (or copy someone else's - eg, ANSI escape sequences, or proprietary terminal control codes?)