include

include

using namespace std;

class CPU { private: int A, B; // Registers int PC; // Program Counter vector memory; bool running;

public: CPU() : A(0), B(0), PC(0), running(true) { memory.resize(256, 0); }

void loadProgram(const vector<int>& program) {
    for (size_t i = 0; i < program.size(); ++i) {
        memory[i] = program[i];
    }
}

void run() {
    while (running) {
        int opcode = memory[PC++];
        switch (opcode) {
            case 1:  // LOAD A
                A = memory[PC++];
                break;
            case 2:  // LOAD B
                B = memory[PC++];
                break;
            case 3:  // ADD A and B
                A = A + B;
                break;
            case 4:  // SUB A and B
                A = A - B;
                break;
            case 5:  // PRINT A
                cout << "Register A: " << A << endl;
                break;
            case 0:  // HALT
                running = false;
                break;
            default:
                cout << "Unknown instruction: " << opcode << endl;
                running = false;
                break;
        }
    }
}

};

int main() { CPU cpu; // Program: LOAD A with 10, LOAD B with 5, ADD A and B, PRINT A, HALT vector program = { 1, 10, // LOAD A = 10 2, 5, // LOAD B = 5 3, // ADD A + B 5, // PRINT A 0 // HALT };

cpu.loadProgram(program);
cpu.run();

return 0;

}

Built With

• c
• c#
• c++
• java
• javascript
• python