simplify cga memory manipulation

c_os/main.cc

@@ -14,17 +14,39 @@
 #include "kernel/Globals.h"
 #include "user/HeapDemo.h"
 
+// TODO: Where to put this?
+void scroll_mode() {
+    Key key;
+    // while (true) {
+    //     key = kb.key_hit();
+
+    //     switch (key.ascii()) {
+    //     case 'k':
+    //         kout.pageup();
+    //     case 'j':
+    //         kout.pagedown();
+    //     }
+    // }
+}
+
 int main() {
     kout.clear();
 
     // Speicherverwaltung initialisieren
     allocator.init();
 
+    // Initialize scrollback buffer
+    // kout.init();
+
+    allocator.dump_free_memory();
+
     // text_demo();
     // sound_demo();
     // keyboard_demo();
     heap_demo();
 
+    // scroll_mode();
+
     while (1) {};
     return 0;
 }