Computer Architecture

Project

• Implement the LS-8 Emulator

Task List: add this to the first comment of your Pull Request

Day 1: Get print8.ls8 running

• Inventory what is here
• Implement struct cpu in cpu.h
• Add RAM functions cpu_ram_read() and cpu_ram_write()
• Implement cpu_init()
• Implement the core of cpu_run()
• Implement the HLT instruction handler
• Add the LDI instruction
• Add the PRN instruction

Day 2: Add the ability to load files dynamically, get mult.ls8 and stack.ls8 running

• Un-hardcode the machine code
• Implement the cpu_load() function to load an .ls8 file given the filename passed in as an argument
• Implement a Multiply instruction and Print the result (run mult8.ls8)

Day 3: Stack

• Implement the System Stack and be able to run the stack.ls8 program

Day 4: Get call.ls8 running

• Implement the CALL and RET instructions
• Implement Subroutine Calls and be able to run the call.ls8 program

Stretch

• Add the timer interrupt to the LS-8 emulator
• Add the keyboard interrupt to the LS-8 emulator
• Write an LS-8 assembly program to draw a curved histogram on the screen