From 7dfbdc1d6207144c611f062824a04f7b4b0c102a Mon Sep 17 00:00:00 2001
From: "matthias@arch" <matthiasqui@protonmail.com>
Date: Sun, 11 Dec 2022 02:11:01 +0100
Subject: [PATCH] day 10

---
 10/.gitignore |   1 +
 10/Main.java  |  48 +++++++++++++++++
 10/README.md  |   8 +++
 10/asm.txt    | 139 ++++++++++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 196 insertions(+)
 create mode 100644 10/.gitignore
 create mode 100644 10/Main.java
 create mode 100644 10/README.md
 create mode 100644 10/asm.txt

diff --git a/10/.gitignore b/10/.gitignore
new file mode 100644
index 0000000..44ba78e
--- /dev/null
+++ b/10/.gitignore
@@ -0,0 +1 @@
+Main.class
diff --git a/10/Main.java b/10/Main.java
new file mode 100644
index 0000000..2a57500
--- /dev/null
+++ b/10/Main.java
@@ -0,0 +1,48 @@
+import java.io.*;
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.lang.Math;
+
+public class Main {
+    static int instructionCounter = 1;
+    static int registerX = 1;
+    static int signalStrenghts = 0;
+
+    public static String getCurrentPixel() {
+        String s = "";
+        int crtPos = (instructionCounter - 1) % 40;
+        // System.out.printf("crtpos: %d\n", crtPos);
+        if (Math.abs(registerX - 1 - crtPos) <= 1) { s = "█"; }
+        else { s = " "; }
+        if (instructionCounter % 40 == 0) { s += "\r\n"; }
+        return s;
+    }
+    public static void instructionFinished() {
+        System.out.print(getCurrentPixel());
+        instructionCounter++;
+        if (instructionCounter >= 20 && (instructionCounter - 20) % 40 == 0) {
+            signalStrenghts += registerX * instructionCounter;
+        }
+    }
+
+    public static void main(String[] args) throws IOException {
+        String input = Files.readString(Path.of(args[0]));
+        String separator = System.getProperty("line.separator");
+        int index = 0;
+        while (true) {
+          int nextIndex = input.indexOf(separator, index + separator.length());
+          if (nextIndex < 0) { break; };
+          String line = input.substring(index, nextIndex);
+          
+          instructionFinished();
+          if (!line.equals("noop")) {
+            int val = Integer.parseInt(line.split(" ")[1]);
+            registerX += val;
+            instructionFinished();
+          }
+          index = nextIndex + 1;
+        }
+        System.out.printf("The sum of the signal strengths is: %d\n", signalStrenghts);
+    }
+}
diff --git a/10/README.md b/10/README.md
new file mode 100644
index 0000000..14002a3
--- /dev/null
+++ b/10/README.md
@@ -0,0 +1,8 @@
+# [Day 10](https://adventofcode.com/2022/day/10) 
+:gift::gift::gift::gift::gift::gift::gift::gift::gift::gift:
+
+Today's language: **Java**
+
+```shell
+
+```
diff --git a/10/asm.txt b/10/asm.txt
new file mode 100644
index 0000000..57f49a0
--- /dev/null
+++ b/10/asm.txt
@@ -0,0 +1,139 @@
+noop
+noop
+noop
+addx 6
+addx -1
+noop
+addx 5
+noop
+noop
+addx -12
+addx 19
+addx -1
+noop
+addx 4
+addx -11
+addx 16
+noop
+noop
+addx 5
+addx 3
+addx -2
+addx 4
+noop
+noop
+noop
+addx -37
+noop
+addx 3
+addx 2
+addx 5
+addx 2
+addx 10
+addx -9
+noop
+addx 1
+addx 4
+addx 2
+noop
+addx 3
+addx 2
+addx 5
+addx 2
+addx 3
+addx -2
+addx 2
+addx 5
+addx -40
+addx 25
+addx -22
+addx 2
+addx 5
+addx 2
+addx 3
+addx -2
+noop
+addx 23
+addx -18
+addx 2
+noop
+noop
+addx 7
+noop
+noop
+addx 5
+noop
+noop
+noop
+addx 1
+addx 2
+addx 5
+addx -40
+addx 3
+addx 8
+addx -4
+addx 1
+addx 4
+noop
+noop
+noop
+addx -8
+noop
+addx 16
+addx 2
+addx 4
+addx 1
+noop
+addx -17
+addx 18
+addx 2
+addx 5
+addx 2
+addx 1
+addx -11
+addx -27
+addx 17
+addx -10
+addx 3
+addx -2
+addx 2
+addx 7
+noop
+addx -2
+noop
+addx 3
+addx 2
+noop
+addx 3
+addx 2
+noop
+addx 3
+addx 2
+addx 5
+addx 2
+addx -5
+addx -2
+addx -30
+addx 14
+addx -7
+addx 22
+addx -21
+addx 2
+addx 6
+addx 2
+addx -1
+noop
+addx 8
+addx -3
+noop
+addx 5
+addx 1
+addx 4
+noop
+addx 3
+addx -2
+addx 2
+addx -11
+noop
+noop
+noop