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[16.git] / src / lib / 16_head.h

diff --git a/src/lib/16_head.h b/src/lib/16_head.h
index 95292d5da43394989fceb6da57036bdda86e4f46..cb491f70accbd82097ab6863d0c54a5144a8aed9 100644 (file)
--- a/src/lib/16_head.h
+++ b/src/lib/16_head.h
@@ -20,6 +20,14 @@
  *
  */
 
+#if !defined(__LARGE__) && !defined(__COMPACT__) && !defined(__HUGE__)
+#error Invalid memory model for compiling project 16
+#endif
+
+#if !defined(__i86__) && defined(__i386__)
+#error i8088 only
+#endif
+
 #ifndef _LIBHEAD_H_
 #define _LIBHEAD_H_
 #include <i86.h>
@@ -124,6 +132,7 @@
 */
 
 static dword far* clockdw= (dword far*) 0x046C; /* 18.2hz clock */
+//static dword clockdw=0;
 
 #define        nil     ((void *)0)