proteus下实现的利用8255扫描矩阵式键盘

[{"title":"（ 6 个子文件 48KB ） proteus下实现的利用8255扫描矩阵式键盘","children":[{"title":"8255keyboard","children":[{"title":"keyboard.DSN <span style='color:#111;'> 148.05KB </span>","children":null,"spread":false},{"title":"keyboard.exe <span style='color:#111;'> 1.78KB </span>","children":null,"spread":false},{"title":"keyboard.asm <span style='color:#111;'> 2.25KB </span>","children":null,"spread":false},{"title":"Last Loaded keyboard.DBK <span style='color:#111;'> 169.04KB </span>","children":null,"spread":false},{"title":"keyboard.obj <span style='color:#111;'> 1018B </span>","children":null,"spread":false},{"title":"keyboard.PWI <span style='color:#111;'> 2.15KB </span>","children":null,"spread":false}],"spread":true}],"spread":true}]