diff --git a/abstract-machine/am/src/platform/nemu/include/nemu.h b/abstract-machine/am/src/platform/nemu/include/nemu.h
index 0030772..56718a0 100644
--- a/abstract-machine/am/src/platform/nemu/include/nemu.h
+++ b/abstract-machine/am/src/platform/nemu/include/nemu.h
@@ -47,4 +47,11 @@ typedef uintptr_t PTE;
 
 #define PGSIZE    4096
 
+#define PNT_BITS(num, sz, head) do { \
+    putch(head); \
+    for (uint8_t size = sz; size; size --) \
+      putch('0' + ((num >> (size - 1)) & 1)); \
+    putch('\n'); \
+  } while (0)
+
 #endif
diff --git a/abstract-machine/am/src/platform/nemu/ioe/input.c b/abstract-machine/am/src/platform/nemu/ioe/input.c
index cebafa7..2217c9b 100644
--- a/abstract-machine/am/src/platform/nemu/ioe/input.c
+++ b/abstract-machine/am/src/platform/nemu/ioe/input.c
@@ -6,4 +6,5 @@
 void __am_input_keybrd(AM_INPUT_KEYBRD_T *kbd) {
   kbd->keycode = inl(KBD_ADDR);
   kbd->keydown = 0; // kbd->keycode & KEYDOWN_MASK;
+  PNT_BITS(kbd->keycode, 32, 'K');
 }
diff --git a/abstract-machine/am/src/platform/nemu/ioe/timer.c b/abstract-machine/am/src/platform/nemu/ioe/timer.c
index 8a0daa7..a4cd5fa 100644
--- a/abstract-machine/am/src/platform/nemu/ioe/timer.c
+++ b/abstract-machine/am/src/platform/nemu/ioe/timer.c
@@ -3,13 +3,6 @@
 
 #define GET_TIME() ((uint64_t) (uint32_t)inl(RTC_ADDR) | ((uint64_t) (uint32_t)inl(RTC_ADDR + 4) << 32))
 
-#define PNT_BITS(num) do { \
-    putch('T'); \
-    for (uint8_t size = 64; size; size --) \
-      putch('0' + ((num >> (size - 1)) & 1)); \
-    putch('\n'); \
-  } while (0)
-
 uint64_t __timer_start;
 
 void __am_timer_init() {
@@ -18,7 +11,7 @@ void __am_timer_init() {
 
 void __am_timer_uptime(AM_TIMER_UPTIME_T *uptime) {
   (*(volatile AM_TIMER_UPTIME_T *)uptime).us = GET_TIME() - __timer_start;
-  //PNT_BITS(uptime->us);
+  //PNT_BITS(uptime->us, 64, 'T');
 }
 
 void __am_timer_rtc(AM_TIMER_RTC_T *rtc) {