Start to code memPrint

kernel/Helpers/memPrint.cpp

@@ -3,9 +3,69 @@
 //Constructor
 memPrint::memPrint(){
 
+    //Initialise position
+    this->m_cursorX=0;
+    this->m_cursorY=0;
+
+    //Initialise color
+    this->setBackground(BLACK);
+    this->setForeground(WHITE);
+
 }
 
 //Destructor
 memPrint::~memPrint(){
 
 }
+
+
+//Move cursor
+void memPrint::updateCursor(){
+    this->m_cursorX++;
+
+    if(this->m_cursorX > MAXCURSORX){
+        this->m_cursorX=0;
+        this->m_cursorY++;
+
+        if(this->m_cursorY > MAXCURSORY){
+            //Scroll screen
+        }
+
+
+    }
+
+
+}
+
+void memPrint::setBackground(colorBios color){
+    u8 newColor= (color << 4);
+    this->m_colors= newColor | ((this->m_colors << 4) >> 4);
+}
+
+void memPrint::setForeground(colorBios color){
+    u8 newColor= color;
+    this->m_colors= newColor | ((this->m_colors >> 4) << 4);
+}
+
+//Print a char
+
+void memPrint::putChar(u8 character){
+
+    char *adress= ((char *) MEMPRINTSTARTADR) + (this->m_cursorX * 2) + (this->m_cursorY * 80 * 2);
+
+    *adress=character;
+
+    adress++;
+
+    *adress=this->m_colors;
+
+    this->updateCursor();
+
+}
+
+void memPrint::print(char *str){
+    while(*str!=0x0){
+        this->putChar(*str);
+        str++;
+    }
+}

kernel/Helpers/memPrint.hpp

@@ -1,6 +1,13 @@
 #ifndef __memPrint__
 #define __memPrint__
 
+#include "./types.hpp"
+
+
+#define MEMPRINTSTARTADR 0xB8000
+#define MAXCURSORX 80
+#define MAXCURSORY 25
+
 //Define the bios color
 enum colorBios{
 
@@ -32,6 +39,15 @@ class memPrint{
 
     private:
 
+        //Cursor position
+        u8 m_cursorX;
+        u8 m_cursorY;
+
+        //Current colors (background and foreground):
+        u8 m_colors;
+
+        //Methods
+        void updateCursor();
 
     public:
 
@@ -40,6 +56,17 @@ class memPrint{
 
 		//Destructor
 		~memPrint();
+
+		//Set color
+		void setBackground(colorBios color);
+		void setForeground(colorBios color);
+
+		//Putchar
+		void putChar(u8 character);
+
+		//Print
+        void print(char *str);
+
 };
 
 #endif