Sejong Univ. CPU

Introduce

Implement Sejong University CPU with C++. And I also implemented the sj-assembler and sj-debugger to make it easy to use.

Special thanks

• Professor Ki-Woong Park

Instructions

Maching	Language Instruction
000	end
1xx	add
2xx	subtract
3xx	store
5xx	load
6xx	branch always
7xx	branch if 0
8xx	branch if >= 0
901	input
902	output

Example 1

pseudo code (like python)

temp = input()
print(temp + input())
exit(0)

sj-assembly code

# Example 1
main:
    input
    store temp
    input
    add temp
    output
    end
data:
    temp = 0

Example 1

pseudo code (like python)

temp = input()
if temp != 0:
    print(temp)
exit(0)

sj-assembly code

# Example 2
main:
    input
    jz exit
    output
exit:
    end