-//! Overwrite all of RAM with 0xBEEF, then reboot.
-void monitor_ram_pattern();
-//! Return the number of contiguous bytes 0xBEEF, to measure RAM usage.
-unsigned int monitor_ram_depth();
+// Monitor Commands
+#define MONITOR_CHANGE_BAUD 0x80
+#define MONITOR_ECHO 0x81
+#define MONITOR_LIST_APPS 0x82
+#define MONITOR_RAM_PATTERN 0x90
+#define MONITOR_RAM_DEPTH 0x91
+
+#define MONITOR_DIR 0xA0
+#define MONITOR_OUT 0xA1
+#define MONITOR_IN 0xA2
+
+#define MONITOR_SILENT 0xB0
+#define MONITOR_CONNECTED 0xB1
+
+#define MONITOR_READBUF 0xC0
+#define MONITOR_WRITEBUF 0xC1
+#define MONITOR_SIZEBUF 0xC2
+
+extern app_t const monitor_app;
+
+#endif // MONITOR_H