V1.41

I added a simple paint app (and sweden by c418 in bios beep sounds lmao)

src/kernel/cli_apps/cli_apps.h

@@ -53,4 +53,7 @@ void cli_cmd_pcilist(char *args);
 // Compiler
 void cli_cmd_cc(char *args);
 
+// Music
+void cli_cmd_minecraft(char *args);
+
 #endif

src/kernel/cli_apps/sweden.c

@@ -0,0 +1,60 @@
+#include "cli_utils.h"
+#include "io.h"
+
+void play_note(int freq, int duration_ms) {
+    if (freq == 0) { 
+        outb(0x61, inb(0x61) & 0xFC);
+    } else {
+        int div = 1193180 / freq;
+        outb(0x43, 0xB6);
+        outb(0x42, div & 0xFF);
+        outb(0x42, (div >> 8) & 0xFF);
+        outb(0x61, inb(0x61) | 0x03);
+    }
+    
+
+    cli_delay(duration_ms * 300000); 
+    
+    outb(0x61, inb(0x61) & 0xFC);
+    cli_delay(2000000); 
+}
+
+void cli_cmd_minecraft(char *args) {
+    (void)args;
+    cli_write("Playing: Sweden - C418 (What a masterpiece)\n");
+
+    int melody[] = {
+        196, 330, 294, 0,           // G3, E4, D4, rest
+        196, 262, 247, 220, 196, 0, // G3, C4, B3, A3, G3, rest
+        
+        196, 330, 294, 392, 330, 0, // G3, E4, D4, G4, E4, rest
+        
+        440, 330, 294, 0,           // A4, E4, D4, rest
+        262, 247, 220, 196, 147, 0, // C4, B3, A3, G3, D3, rest
+        
+        196, 330, 294, 0,           // Return to G3, E4, D4
+        196, 262, 247, 220, 196     // Final resolution
+    };
+
+    int rhythm[] = {
+        1000, 1000, 2000, 500,
+        1000, 1000, 1000, 1000, 2000, 500,
+        
+        1000, 1000, 1000, 1000, 2000, 500,
+        
+        1000, 1000, 2000, 500,
+        1000, 1000, 1000, 1000, 2000, 500,
+        
+        1000, 1000, 2000, 500,
+        1000, 1000, 1000, 1000, 3000
+    };
+
+    int song_length = sizeof(melody) / sizeof(melody[0]);
+
+    for (int i = 0; i < song_length; i++) {
+        play_note(melody[i], rhythm[i]);
+    }
+
+    outb(0x61, inb(0x61) & 0xFC);
+    cli_write("Composition finished.\n");
+}