implemented basic keyboard input getting

src/utils.c

@@ -0,0 +1,14 @@
+#include "../include/types.h"
+#include "../include/utils.h"
+
+uint8 inportb(uint16 _port)
+{
+    	uint8 rv;
+    	__asm__ __volatile__ ("inb %1, %0" : "=a" (rv) : "dN" (_port));
+    	return rv;
+}
+
+void outportb(uint16 _port, uint8 _data)
+{
+	__asm__ __volatile__ ("outb %1, %0" : : "dN" (_port), "a" (_data));
+}