数字钟，p0口与1602的数据相连，rs-P3.0，RW-P3.1，EN-P3.2。用timer0 产生1s中断。自定义的ampm标志。 请问高手：“什么时候自制的ampm图形会在38H中呢？为什么指令CPL ACC.0就是改变ampm图形呢？”请高手赐教-Digital clock, p0 port is connected with the 1602 data, rs-P3.0, RW-P3.1, EN-P3.2. 1s generated by timer0 interrupt. Custom ampm flag. Will the master: " When the ampm graphics will be made in 38H? Why instruction CPL ACC.0 is to change the ampm graphics it?"　Please enlighten me master