实现模拟分页式虚拟存储管理中地址转换和缺页中断，有试验报告。程序中假定主存的每块长度为128字节；现有一个共七页的作业，将第0页到第3页中的内容装入主存中，其余三页未装入主存；-Analog paging virtual memory management, address translation and page fault, there are test report. The program assumes that the length of each block of main mem