| 摘要 |
PURPOSE:To increase the processing speed of the whole of a mechanism by using two central processing units CPUs and connecting them to a storage device independently of each other and relating the load timings of them to the selecting signal of the first CPU. CONSTITUTION:A first CPU mainly performs the music reproducing processing and outputs the selecting signal for the purpose of instructing the load timing of a second CPU 2 by the load timing of the first CPU 1 itself and outputs a page advance signal and a words color change signal to the second CPU 2 for the purpose of instructing the processing timing of the second CPU 2. The second CPU 2 performs only words display. In this case, music information and words information are stored in a storage medium 3, and respective information are transferred to two CPUs 1 and 2 by lines independent of each other, and their timings are controlled by the selecting signal, and the second CPU 2 is driven in accordance with the page advance signal and the words color change signal, which are outputted from the first CPU 1 to the second CPU 2, to control the advance of words display. Thus, words are quickly and freely displayed. |
