diff --git a/amitools/vamos/lib/DosLibrary.py b/amitools/vamos/lib/DosLibrary.py
index c4a7b084..23adbac0 100644
--- a/amitools/vamos/lib/DosLibrary.py
+++ b/amitools/vamos/lib/DosLibrary.py
@@ -2,6 +2,7 @@
 import ctypes
 import re
 import os
+import select
 
 from amitools.vamos.machine.regs import *
 from amitools.vamos.libcore import LibImpl
@@ -594,6 +595,16 @@ def Close(self, ctx):
             self.setioerr(ctx, 0)
         return self.DOSTRUE
 
+    def WaitForChar(self, ctx):
+        # file,timeout)(d1/d2)
+        fh_b_addr = ctx.cpu.r_reg(REG_D1)
+        fh = self.file_mgr.get_by_b_addr(fh_b_addr, False)
+        ms = ctx.cpu.r_reg(REG_D2)
+        if select.select([fh.obj], [], [], ms * 1e-3)[0]:
+            return self.DOSTRUE
+        
+        return self.DOSFALSE
+
     def Read(self, ctx):
         fh_b_addr = ctx.cpu.r_reg(REG_D1)
         buf_ptr = ctx.cpu.r_reg(REG_D2)