Add: graphics mode terminal scrolling

src/kernel/kmain.c

@@ -77,9 +77,9 @@ serial_printf(3, "Framebuffer BPP: %u\r\n", fb_info->framebuffer_bpp);
         uint32_t pitch = fb_info->framebuffer_pitch;
         uint32_t bpp = fb_info->framebuffer_bpp;
 
-	//8x16 font padded with 1 for each char = 9px/char
-	VGA_WIDTH = width/9;
-	VGA_HEIGHT = height/9;
+	//8x16 font, not padded 
+	VGA_WIDTH = width/8;
+	VGA_HEIGHT = height/16;
 
 	scanline = width * (bpp/8);	
 
@@ -114,6 +114,11 @@ serial_printf(3, "Framebuffer BPP: %u\r\n", fb_info->framebuffer_bpp);
     } 
     */
 
+    for (int i=0; i<100; i++)
+    {
+	printf("%d\n", i);
+    }
+
     //colorputs("Wow, such colorful output!", green, blue);
 
     colorputs(ascii_title, green, black);

src/kernel/system.c

@@ -8,6 +8,27 @@ void *memset(void *dest, char val, size_t count)
 	return dest;
 }
 
+void *memmove(void* dest, const void* src, size_t n)
+{
+	unsigned char* d = (unsigned char*)dest;
+	const unsigned char* s = (const unsigned char*)src;
+
+	if (d < s)
+	{
+		for (size_t i=0; i<n; i++)
+		{
+			d[i] = s[i];
+		}
+	} else {
+		for (size_t i=n; i>0; i--)
+		{
+			d[i-1] = s[i-1];
+		}
+	}
+
+	return dest;
+}
+
 void panic()
 {
 	for (;;);	

src/kernel/system.h

@@ -6,6 +6,7 @@
 typedef int size_t;
 
 void *memset(void *dest, char val, size_t count);
+void *memmove(void* dest, const void* src, size_t n);
 
 struct regs
 {