计算机组成原理课程设计报告(1).doc

计算机组成原理 课程设计报告 实验项目：1、设计一个具有带进位加法和立即数寻址方式的模型机 2、设计一个具有带进位加法和条件跳转的模型机 专 业： 计算机科学与技术 班 级： 09级37-3班 学 号： —————— 姓 名： 合 作： 指导教师： 实验时间： 2011-6-15 ~~ 6-17 实验一：设计一个具有带进位加法和立即数寻址方式的模型机 1、问题描述 本题目设计的是一台具有输入、输出、带进位加法、储存和跳转功能的模型计算机， 并写出工作程序和测试数据验证所设计的指令系统。 2、设计目标 在设计完本程序后，所设计模型机能够完成从一个外设输入一个数到指定的寄存器中 ，另外输入立即数并将其存入另一个、寄存器中，两数进行进位相加并将结果保存到第 一个寄存器，输出结果，并显示。另外，实现无条件跳转至开始。 3、指令格式 "助记符号 "机器指令码 "功 能 " "IN "0000 0000 "Input -> R0 " "ADC Imm "1110 0000 XXXX "R0+Imm+CY -> R0 " " "XXXX " " "STA addr "0010 0000 XXXX "R0 -> [addr] " " "XXXX " " "OUT addr "0011 0000 XXXX "[addr] -> LED " " "XXXX " " "JMP addr "0100 0000 XXXX "[addr] -> PC " " "XXXX " " 4、设计微指令 （1）定义指令码，及定义一个下地址为08H "指令 "指令编码 "微地址 " "IN "0000 0000 "08 " "ADC "0001 0000 "09 " "STA "0010 0000 "10 " "OUT "0011 0000 "11 " "JMP "0100 0000 "12 " （2）设计微指令编码表 "微地址 "S3 "S2 " "MOVrs,rd "XXXX Rs Rd "Rs->Rd " "ADCrs,rd "XXXX Rs Rd "Rs+Rd+CY -> R0 " "BZCD "00 00 00 00 "当cy=1或z=1时，D->" " "D "PC " " " "否则，顺序执行。 " "INrd "XXXX 01 Rd "SW->rd " "OUTrd "XXXX 10 Rd "Rd -> LED " "HALT "XXXX 0000 "停机 " 3、设计微指令 （1）定义一个下地址为20H "指令 "指令编码 "微地址 " "IN "0011 0000 "23 " "MOV "0010 0000 "22 " "ADC "0001 0000 "21 " "BZCD "0000 0000 "20 " "OUT "0100 0000 "24 " "HALT "0101 0000 "25 " （2）设计微指令 微地址 "S3 "S2 "S1 "S0 "M "Cn "WE "A9 "A8 "A "B "C "UA5-UA0 " "00 "0 "0 "0 "0 "0 "0 "0 "1 "1 "0 "0 "0 "0 "0 "0 "0 "0 "0 "0 "0 "0 "0 "0 "1 " "01 "0 "0 "0 "0 "0 "0 "0 "1 "1 "1 "1 "0 "1 "1 "0 "1 "1 "0 "0 "0 "0 "0 "1 "0 " "02 "0 "0 "0 "0 "0 "0 "0 "0 "1 "1 "0 "0 "0 "0 "0 "0 "0 "1 "1 "0 "0 "0 "0 "0 " "20 "0 "0 "0 "0 "0 "0 "0 "1 "1 "0 "0 "0 "0 "0 "0 "0 "1 "1 "0 "0 "0 "0 "0 "1 " "11 "0 "0 "0 "0 "0 "0 "0 "1 "1 "1 "1 "0 "1 "1 "0 "1 "1 "0 "0 "0 "0 "0 "1 "1 " "03 "0 "0 "0 "0 "0 "0 "0 "0 "1 "1 "0 "1 "0 "0 "0 "1 "1 "0 "0 "0 "0 "0 "0 "1 " "21 "0 "0 "0 "0 "0 "0 "0 "1 "1 "0 "1 "0 "0 "1 "0 "0 "0 "0 "0 "0 "0 "1 "0 "0 " "04 "0 "0 "0 "0 "0 "0 "0 "1 "1 "0 "1 "1 "0 "0 "1 "0 "0 "0 "0 "0 "0 "1 "0 "1 " "05 "1 "0 "0 "1 "0 "0 "0 "1 "1 "0 "0 "1 "1 "0 "1 "0 "0 "0 "0 "0 "0 "0 "0 "1 " "22 "0 "0 "0 "0 "0