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目前广泛使用的微机电视形像创作系统SMC-70GP具有其独特的优点,如高精度的同步锁定、美观多样的汉字等,是一种比较理想的中文字幕机。但是由于它使用Z80A作为CPU,内存空间受到限制(最大64KB),开发手段较弱,给用户的进一步开发使用造成较大困难。而IBM-PC正以其低廉的价格和优越的性能变得日益普及。对于拥有IBM-PC和70GP两机的用户来说,如何充分利用IBM-PC的开发手段对70GP进行改进,具有较大意义。本文研究了两者之间的通信,并探讨了通信的前景和意义。
Currently widely used computer image creation system SMC-70GP has its unique advantages, such as high-precision synchronization lock, beautiful and diverse Chinese characters, is an ideal Chinese subtitles machine. However, due to its use of the Z80A as a CPU, the memory space is limited (up to 64KB), and the means of development are weaker, which causes great difficulties for the further development and use of the user. And IBM-PC is becoming more and more popular with its low price and superior performance. For users with IBM-PC and 70GP two machines, how to make full use of IBM-PC development tools to improve 70GP, with great significance. This paper studies the communication between the two and explores the future and significance of communication.