reorganising and screen clearing and whatnot

main.c

@@ -5,6 +5,8 @@
 #include <termios.h>
 #include <unistd.h>
 
+#include "display.h"
+#include "keys.h"
 #include "terminal.h"
 #include "util.h"
 
@@ -12,42 +14,8 @@
 void
 loop()
 {
-	char	c;
-	int	command = 0;
-
 	while (1) {
-		c = '\0';
-		/*
-		 * Note that Cygwin, apparently, will treat a read time-
-		 * out as an error with errno == EAGAIN. I don't really
-		 * have any interest in supporting code for Cygwin.
-		 */
-		if ((read(STDIN_FILENO, &c, 1) == -1)) {
-			die("failed to read from the terminal");
-		}
-
-		if (c == 0x00) {
-			continue;
-		}
-
-		if (command && ((c == 'q') || (c == 0x11))) {
-			break;
-		}
-
-		if (c == 0x0b) {
-			if (!command) {
-				command = 1;
-				continue;
-			}
-		} else {
-			command = 0;
-		}
-
-		if (iscntrl(c)) {
-			printf("%02x\r\n", c);
-		} else {
-			printf("%02x ('%c')\r\n", c, c);
-		}
+		process_keypress();
 	}
 }
 
@@ -56,6 +24,8 @@ int
 main()
 {
 	setup_terminal();
+
+	display_clear();
 	loop();
 
 	return 0;