ascii代码写入程序.inc

85c51的t6963字符写入方式驱动程序

lcd_ASCII_data_wr:      push b
                        push acc
                        lcall ascci_data_wr_addr_count;设置写入位置
                        lcall auto_write_set;设置自动写入方式
                        clr a
                        movc a,@a+dptr
                        mov b,a;取出字符个数
lcd_ASCII_data_wr1:     lcall st3;判断lcd是否空闲
                        jnb DELAY_bit,lcd_ASCII_data_wr2
                        lcall time_100ms
lcd_ASCII_data_wr2:     inc dptr
                        clr a
                        movc a,@a+dptr
                        subb a,#20h
                        lcall pr13
                        djnz b,lcd_ASCII_data_wr1
                        lcall auto_write_over
                        clr DELAY_bit
                        pop acc
                        pop b
                        ret