diff --git a/2022/10/larger.txt b/2022/10/larger.txt
new file mode 100644
index 0000000..37ee8ee
--- /dev/null
+++ b/2022/10/larger.txt
@@ -0,0 +1,146 @@
+addx 15
+addx -11
+addx 6
+addx -3
+addx 5
+addx -1
+addx -8
+addx 13
+addx 4
+noop
+addx -1
+addx 5
+addx -1
+addx 5
+addx -1
+addx 5
+addx -1
+addx 5
+addx -1
+addx -35
+addx 1
+addx 24
+addx -19
+addx 1
+addx 16
+addx -11
+noop
+noop
+addx 21
+addx -15
+noop
+noop
+addx -3
+addx 9
+addx 1
+addx -3
+addx 8
+addx 1
+addx 5
+noop
+noop
+noop
+noop
+noop
+addx -36
+noop
+addx 1
+addx 7
+noop
+noop
+noop
+addx 2
+addx 6
+noop
+noop
+noop
+noop
+noop
+addx 1
+noop
+noop
+addx 7
+addx 1
+noop
+addx -13
+addx 13
+addx 7
+noop
+addx 1
+addx -33
+noop
+noop
+noop
+addx 2
+noop
+noop
+noop
+addx 8
+noop
+addx -1
+addx 2
+addx 1
+noop
+addx 17
+addx -9
+addx 1
+addx 1
+addx -3
+addx 11
+noop
+noop
+addx 1
+noop
+addx 1
+noop
+noop
+addx -13
+addx -19
+addx 1
+addx 3
+addx 26
+addx -30
+addx 12
+addx -1
+addx 3
+addx 1
+noop
+noop
+noop
+addx -9
+addx 18
+addx 1
+addx 2
+noop
+noop
+addx 9
+noop
+noop
+noop
+addx -1
+addx 2
+addx -37
+addx 1
+addx 3
+noop
+addx 15
+addx -21
+addx 22
+addx -6
+addx 1
+noop
+addx 2
+addx 1
+noop
+addx -10
+noop
+noop
+addx 20
+addx 1
+addx 2
+addx 2
+addx -6
+addx -11
+noop
+noop
+noop
diff --git a/2022/10/main.cpp b/2022/10/main.cpp
index a43dc5e..74fbd88 100644
--- a/2022/10/main.cpp
+++ b/2022/10/main.cpp
@@ -4,6 +4,29 @@
 #include <string>
 #include <vector>
 
+enum Command {
+	NOOP = 1,
+	ADDX,
+};
+
+Command ParseCommand(const std::string &str) {
+	if(str.size() < 4)
+		return Command::NOOP;
+
+	std::string head = str.substr(0, 4);
+	if(head == "noop")
+		return Command::NOOP;
+	else if(head == "addx")
+		return Command::ADDX;
+
+	std::cerr << "Missing command type \"" << head << "\"." << std::endl;
+	exit(-1);
+}
+
+void IncrementCycleCount(long &cycle, const Command &command);
+long Report(const long &cycle, const long &x);
+void ApplyAction(const std::pair<Command, std::string> &command, long &x);
+
 int main()
 {
 	std::ifstream ifs("data.txt");
@@ -16,14 +39,96 @@ int main()
 	unsigned long total = 0;
 	unsigned long total_pt2 = 0;
 
+	std::vector<std::pair<Command, std::string> > commands;
 	for(std::string line; std::getline(ifs, line); )
 	{
 		if(line == "")
 			continue;
+
+		auto cmd = ParseCommand(line);
+		if(cmd == Command::NOOP)
+			commands.push_back({cmd, ""});
+		else
+			commands.push_back({cmd, line.substr(5)});
 	}
 
+	long cycle = 1;
+	long x = 1;
+	for(const auto &command : commands)
+	{
+		// Step 1: Increase cycle count of command to see if we would have reported
+		IncrementCycleCount(cycle, command.first);
+
+		// Step 2: Report, if needed:
+		total += Report(cycle, x);
+
+		// Step 3: Perform command action:
+		ApplyAction(command, x);
+	}
+
+	while(cycle <= 220)
+	{
+		IncrementCycleCount(cycle, Command::NOOP);
+		total += Report(cycle, x);
+	}
+
+	std::cout << "Ended on cycle #" << cycle << ", value of x: " << x << std::endl;
+
 	std::cout << "    Total: " <<     total << std::endl;
 	std::cout << "PT2 Total: " << total_pt2 << std::endl;
 
 	return 0;
 }
+
+void IncrementCycleCount(long &cycle, const Command &command)
+{
+	switch(command)
+	{
+	case Command::NOOP:
+		cycle++;
+		break;
+	case Command::ADDX:
+		cycle += 2;
+		break;
+	default:
+		std::cerr << "Missing ability to parse command type." << std::endl;
+		exit(-1);
+		break;
+	};
+}
+
+long Report(const long &cycle, const long &x)
+{
+	static long last_reported_cycle = -20;
+	auto next_cycle = last_reported_cycle + 40;
+	if(cycle > next_cycle)
+	{
+		std::cout << "Cycle #" << next_cycle << ": "
+		          << next_cycle << " * " << x << " = "
+		          << next_cycle * x << std::endl;
+		last_reported_cycle += 40;
+
+		return next_cycle * x;
+	}
+	return 0; // no change
+}
+
+void ApplyAction(const std::pair<Command, std::string> &command, long &x)
+{
+	switch(command.first)
+	{
+	case Command::NOOP:
+		// std::cout << "NOOP" << std::endl;
+		// noop
+		break;
+	case Command::ADDX:
+		// std::cout << "ADDX " << command.second << ": x goes from " << x << " to ";
+		x += std::atoi(command.second.c_str());
+		// std::cout << x << std::endl;
+		break;
+	default:
+		std::cerr << "Missing ability to parse command type." << std::endl;
+		exit(-1);
+		break;
+	};
+}