diff --git a/lib/CPUs/MIPS/bsp/examples/libsys.c b/lib/CPUs/MIPS/bsp/examples/libsys.c
index 9538c02..abc4849 100644
--- a/lib/CPUs/MIPS/bsp/examples/libsys.c
+++ b/lib/CPUs/MIPS/bsp/examples/libsys.c
@@ -588,6 +588,11 @@ void _putchar(UINT32 port, char c)
 	}
 }
 
+char _getchar(void)
+{
+	return readchar(GetPort(0));
+}
+
 void _exit (int exitcode)
 {
 	fflush(stdout);
@@ -786,7 +791,7 @@ int sputs(char *pStr)
 	start = pStr;
 
 	while(*pStr)
-		_putchar(0, *(pStr++));
+		_putchar(GetPort(0), *(pStr++));
 
 	return pStr - start;
 }
@@ -806,7 +811,7 @@ void print_byte(char byte)
 		else
 			c = nibble + 'A' - 10;
 
-		_putchar(0, c);
+		_putchar(GetPort(0), c);
 	}
 }
 
@@ -880,7 +885,7 @@ void memdump(UINT8 *pBuf, int print_offset_only, int num_bytes_per_row, int len)
                 if((c < 0x20) || (c > 0x7F))
                     c = '.';
 
-                _putchar(0, c);
+                _putchar(GetPort(0), c);
                 cnt_asc--;
             }
             else
diff --git a/lib/CPUs/MIPS/bsp/examples/libsys.h b/lib/CPUs/MIPS/bsp/examples/libsys.h
index 3099e5a..cf5fd1d 100644
--- a/lib/CPUs/MIPS/bsp/examples/libsys.h
+++ b/lib/CPUs/MIPS/bsp/examples/libsys.h
@@ -148,6 +148,8 @@ void print_word(int word);
 void _exit (int exitcode);
 void sleep(unsigned ms);
 
+char _getch(void);
+
 void PrintBuffer8(UINT8 *pBuf, int nbpr, int len);
 void memdump(UINT8 *pBuf, int print_offset_only, int num_bytes_per_row, int len);