diff --git a/include/cdecl16.inc b/include/cdecl16.inc
index 60583ad..d79a786 100644
--- a/include/cdecl16.inc
+++ b/include/cdecl16.inc
@@ -54,4 +54,18 @@
     pop cx
     pop ax
 %endmacro
+%endif
+
+%ifnmacro __FASTCALL16_ENTRY
+%macro __FASTCALL16_ENTRY 0
+    push bp
+    mov bp, sp
+%endmacro
+%endif
+
+%ifnmacro __FASTCALL16_EXIT
+%macro __FASTCALL16_EXIT 0
+    mov sp, bp
+    pop bp
+%endmacro
 %endif
\ No newline at end of file