fang_fang94383

基于单片机实现的数字钟 org 0000h jmp start org 0bh jmp tim0 start: mov sp,#70h mov 24h,#0ffh mov 23h,#0ffh mov 22h,#0ffh mov 21h,#0ffh mov 2ch,#00 mov 2bh,#00 mo