Lecture 8 Objectives
At the end of today's class you should
KNOW:
- the Von Neumann model of a computer
- the instruction execution cycle
BE ABLE TO:
- Explain the instruction execution cycle in terms of changes to the
registers PC, IR, MAR, MDR
- Decode/encode the LC-3 instructions ADD, LDR, JMP
Sample Exam Question:
The Instruction Register in the LC-3 contains this binary value:
1100 000 010 000000
Describe how this instruction changes the state of the machine (i.e.,
which registers change as a result of the execution of this instruction?)