Massive backlog of changes

include/platform/putc.h

@@ -0,0 +1,24 @@
+#pragma once
+
+/**
+ * @brief Prepare to output characters to the screen.
+ * 
+ * @return int 
+ */
+int initialize_screen();
+
+/**
+ * @brief Write a single character to the screen.
+ * 
+ * @param c 
+ * @return int 
+ */
+int putchar(int c);
+
+/**
+ * @brief Write a string to the screen.
+ * 
+ * @param str 
+ * @return int 
+ */
+int puts(const char *str);