INPUT BUFFER CONTROL SYSTEM

摘要

PURPOSE:To execute the processing of only a required key code by providing a means which erases selectively the specific code of a function key or the like from an input buffer. CONSTITUTION:A received key code is stored in an input buffer 18. A read command processing part 19 processes which which request the key input from an application processing part 24, and a specific code clear and read command 25 is provided besides normal read command and clear and read command as commands. When this command 25 is issued, a specific code clear part 22 is started to erase the prescribed code of the function key or the like in the input buffer 18.