diff --git a/mach/m68k2/cg/fppsim.h b/mach/m68k2/cg/fppsim.h
new file mode 100644
index 000000000..c41cebf4f
--- /dev/null
+++ b/mach/m68k2/cg/fppsim.h
@@ -0,0 +1,2 @@
+/* #define FPPSIM	/* define when using fpp simulator */
+/* #define IEEEFLOAT	/* define if it must use IEEE format */