initialize cga cursor to 0

c_os/devices/CGA.cc

@@ -162,10 +162,13 @@ void CGA::scrollup () {
 void CGA::clear () {
 
     /* Hier muess Code eingefuegt werden */
+
     for (unsigned short byte = 2 * 80 * 0; byte < 2 * 80 * 25; ++byte) {
         *((char*)(CGA_START + byte)) = '\0';
     }
 
+    this->setpos(0, 0);
+
 }
 
 

c_os/devices/CGA.h

@@ -32,7 +32,7 @@ public:
     CGA () : index_port (0x3d4), data_port (0x3d5) {
         CGA_START = (const char*)0xb8000;
 
-        // NOTE: Added this
+        // NOTE: I added this
         this->setpos(0, 0);
     }