Introduction - If you have any usage issues, please Google them yourself
Seven-Segment assembly language to design a digital display, timer display birthday (1986.10.30) the last four (1030). Functional requirements: 1) to enable the 8253 job at 3 way, resulting in regular time intervals, as the extension of the time show. 2) the definition of data segment through the current date or birthday, control Seven-Segment LED display. 3) through the 8255 job at 0 means the output character encoding, digital control functions, the stability of the four post-show birthday.