CLI apps transfer to Userspace

src/kernel/userland/sweden.c

@@ -0,0 +1,30 @@
+#include <stdlib.h>
+#include <syscall.h>
+
+static void beep(int freq, int ms) {
+    sys_system(14, freq, ms, 0, 0);
+}
+
+int main(int argc, char **argv) {
+    (void)argc; (void)argv;
+    printf("Playing Sweden - C418 (Minecraft)...\n");
+    
+    // Main melody (simplified pattern)
+    beep(392, 400); // G4
+    beep(440, 400); // A4
+    beep(493, 800); // B4
+    
+    beep(440, 400); // A4
+    beep(392, 800); // G4
+    beep(329, 800); // E4
+    
+    beep(392, 400); // G4
+    beep(440, 400); // A4
+    beep(493, 800); // B4
+    
+    beep(440, 400); // A4
+    beep(392, 1200); // G4
+    
+    printf("Done.\n");
+    return 0;
+}