单片机篮球计分器报告书(9)

实训。。。两位计数,从00~~99计数的红蓝两队篮球计分器

mov a,30h add a,#03h

mov 30h,a

ljmp tzcx s22: mov a,31h add a,#03h

mov 31h,a

ljmp tzcx s3: lcall del jb p3.3,s31

ljmp ajcx

s31: jnb p1.0,s32 mov a,30h dec a

mov 30h,a

ljmp tzcx s32: mov a,31h dec a

mov 31h,a

ljmp tzcx s4: lcall del jb p3.4,s41

ljmp ajcx

s41: push 30h push 31h pop 30h

pop 31h

lcall jscx

ljmp ajcx