diff --git a/kernel/chr_drv/console.c b/kernel/chr_drv/console.c
index 3f6c592da23c178d7254fbd106c15d296aa44c62..749aa726f0629086fce14fe2a2de26a6a35590cb 100644
--- a/kernel/chr_drv/console.c
+++ b/kernel/chr_drv/console.c
@@ -27,6 +27,7 @@ static unsigned long    video_size_row;     /* Bytes per row        */
 static unsigned char    video_page;     /* Initial video page       */
 static unsigned short   video_port_reg;     /* Video register select port   */
 static unsigned short   video_port_val;     /* Video register value port    */
+static unsigned short   video_erase_char;
 
 static unsigned long    origin;
 static unsigned long    scr_end;
@@ -47,6 +48,15 @@ static inline void gotoxy(int new_x,unsigned int new_y) {
     pos = origin + y*video_size_row + (x << 1);
 }
 
+static inline void set_origin() {
+    cli();
+    outb_p(12, video_port_reg);
+    outb_p(0xff & ((origin - video_mem_base) >> 9), video_port_val);
+    outb_p(13, video_port_reg);
+    outb_p(0xff & ((origin - video_mem_base) >> 1), video_port_val);
+    sti();
+}
+
 static inline void set_cursor() {
     cli();
     outb_p(14, video_port_reg);
@@ -56,6 +66,43 @@ static inline void set_cursor() {
     sti();
 }
 
+static void scrup() {
+    if (video_type == VIDEO_TYPE_EGAC || video_type == VIDEO_TYPE_EGAM) {
+        if (!top && bottom == video_num_lines) {
+            origin += video_size_row;
+            pos += video_size_row;
+            scr_end += video_size_row;
+
+            if (scr_end > video_mem_term) {
+
+            }
+
+        }
+    }
+}
+
+static void lf() {
+    if (y + 1 < bottom) {
+        y++;
+        pos += video_size_row;
+        return;
+    }
+    scrup();
+}
+
+static void cr() {
+    pos -= x << 1;
+    x = 0;
+}
+
+static void del() {
+    if (x) {
+        pos -= 2;
+        x--;
+        *(unsigned short*)pos = video_erase_char;
+    }
+}
+
 void con_init() {
     char * display_desc = "????";
     char * display_ptr;
@@ -64,6 +111,7 @@ void con_init() {
     video_size_row = video_num_columns * 2;
     video_num_lines = ORIG_VIDEO_LINES;
     video_page = ORIG_VIDEO_PAGE;
+    video_erase_char = 0x0720;
 
     /* Is this a monochrome display? */
     if (ORIG_VIDEO_MODE == 7) {
@@ -114,17 +162,38 @@ void con_init() {
 }
 
 void con_write(const char* buf, int nr) {
-    char* t = (char*)pos;
     char* s = buf;
     int i = 0;
 
-    for (i = 0; i < nr; i++) {
-        *t++ = *(s++);
-        *t++ = 0xf;
-        x++;
+    while(nr--) {
+        char c = *s++;
+        if (c > 31 && c < 127) {
+            if (x >= video_num_columns) {
+                x -= video_num_columns;
+                pos -= video_size_row;
+                lf();
+            }
+
+            *(char *)pos = c;
+            *(((char*)pos) + 1) = attr;
+            pos += 2;
+            x++;
+        }
+        else if (c == 10 || c == 11 || c == 12)
+            lf();
+        else if (c == 13)
+            cr();
+        else if (c == 127) {
+            del();
+        }
+        else if (c == 8) {
+            if (x) {
+                x--;
+                pos -= 2;
+            }
+        }
     }
 
-    pos = t;
     gotoxy(x, y);
     set_cursor();
 }
diff --git a/kernel/main.c b/kernel/main.c
index c563dcc8308f98594ebaecb114ba9df33d386676..6caab5f07ddfb2867a1a023dfc41d03462795da3 100644
--- a/kernel/main.c
+++ b/kernel/main.c
@@ -40,7 +40,7 @@ void main(void)
     sched_init();
 
     tty_init();
-    printk("memory start: %d, end: %d\n\r" , main_memory_start, memory_end);
+    printk("%d %d\n\r", 12, 34);
 
     __asm__ __volatile__(
             "int $0x80\n\r"