diff --git a/amitools/vamos/lib/DosLibrary.py b/amitools/vamos/lib/DosLibrary.py
index 24e6004e..b0ea6188 100644
--- a/amitools/vamos/lib/DosLibrary.py
+++ b/amitools/vamos/lib/DosLibrary.py
@@ -260,7 +260,7 @@ def SetFileDate(self, ctx):
             self.get_current_dir(ctx), name, searchMulti=True
         )
         if sys_path == None:
-            log_file.info("file not found: '%s' -> '%s'" % (ami_path, sys_path))
+            log_dos.info("file not found: '%s' -> '%s'" % (ami_path, sys_path))
             self.setioerr(ctx, ERROR_OBJECT_NOT_FOUND)
             return self.DOSFALSE
         else:
@@ -279,7 +279,7 @@ def GetProgramName(self, ctx):
         n = len(prog_name)
         # return error if name is too long, but copy buffer size
         if n > max_len - 1:
-            self.setioerr(ctx, ERROR_LINE_TOOL_LONG)
+            self.setioerr(ctx, ERROR_LINE_TOO_LONG)
             ret = self.DOSFALSE
             prog_name = prog_name[0:max_len]
         else:
@@ -411,6 +411,7 @@ def SetVar(self, ctx):
         size = ctx.cpu.r_reg(REG_D3)
         flags = ctx.cpu.r_reg(REG_D4)
         name = ctx.mem.r_cstr(name_ptr)
+        vtype = flags & 0xff
         if buff_ptr == 0:
             if not flags & self.GVF_GLOBAL_ONLY:
                 node = self.find_var(ctx, name, vtype)
@@ -767,6 +768,7 @@ def VFWritef(self, ctx):
         out = ""
         pos = 0
         state = ""
+        val = 0
         while pos < len(fmt):
             ch = fmt[pos].upper()
             pos = pos + 1
@@ -1258,10 +1260,10 @@ def parsePattern(self, ctx, ignore_case=False):
                     return 0
 
     def ParsePattern(self, ctx):
-        return self.ParsePattern(ctx)
+        return self.parsePattern(ctx, False)
 
     def ParsePatternNoCase(self, ctx):
-        return self.ParsePattern(ctx, ignore_case=True)
+        return self.parsePattern(ctx, True)
 
     def matchPattern(self, ctx, ignore_case=False):
         pat_ptr = ctx.cpu.r_reg(REG_D1)