creating interface i/o functions

src/main.c

@@ -1,11 +1,7 @@
-#include <stdio.h>
 #include "inc/6502.h"
 
 int main(int argc, char **argv)
 {
-    setbuf(stdout, NULL);
-    printf("Apple-I Computer\n");
-    
     init(); // start the processor
     run();  // and runs it