⑴ 我想要一个按钮用单片机实现开关功能！请问怎么编程

51单片机吗？这个不是很难！
硬件连接：P1.0接按专键，属P1.1接LED
org 0
ajmp start
org 30h
start:mov p1,#0ffh
main: mov a,p1
jnb p1.0,next
ajmp main
next: lcall dely
mov a,p1
jnb p1.0,huan
ajmp main
huan: cpl p1.1
ajmp main
dely: mov r7,#100
dl1: mov r6,#100
dl2: mov r5,#5
djnz r5,$
djnz r6,dl2
djnz r7,dl1
ret
end