--- a/io.c	Sun Jul 22 15:52:39 2018 +0900
+++ b/io.c	Sun Jul 22 17:55:06 2018 +0900
@@ -312,7 +312,7 @@
       time_t tm = time(0);
       struct tm *t = localtime(&tm);
       mem[IOPAGE+0x31] = t->tm_year;
-      mem[IOPAGE+0x32] = t->tm_mon;
+      mem[IOPAGE+0x32] = t->tm_mon+1;
       mem[IOPAGE+0x33] = t->tm_mday;
       mem[IOPAGE+0x34] = t->tm_hour;
       mem[IOPAGE+0x35] = t->tm_min;
@@ -369,8 +369,12 @@
 
 void timehandler(int sig) {
         attention = 1;
+#ifdef USE_MMU
+        irq = 1;
+#else
         irq = 2;
-        mem[(IOPAGE&0xfe00)+0x30] |= 0x10  ;
+#endif
+        mem[IOPAGE+0x30] |= 0x10  ;
         // signal(SIGALRM, timehandler);
 }
 
@@ -401,9 +405,9 @@
         fcntl(0, F_SETFL, tflags | O_NDELAY); /* Make input from stdin non-blocking */
         signal(SIGALRM, timehandler);
         timercontrol.it_interval.tv_sec = 0;
-        timercontrol.it_interval.tv_usec = 20000;
+        timercontrol.it_interval.tv_usec = 200000;
         timercontrol.it_value.tv_sec = 0;
-        timercontrol.it_value.tv_usec = 20000;
+        timercontrol.it_value.tv_usec = 200000;
         if (timer)
             setitimer(ITIMER_REAL, &timercontrol, NULL);
 }