1 files changed, 18 insertions, 0 deletions

diff --git a/v4.0/src/INC/VERSIONA.INC b/v4.0/src/INC/VERSIONA.INC
new file mode 100644
index 0000000..e6796bd
--- /dev/null
+++ b/v4.0/src/INC/VERSIONA.INC
@@ -0,0 +1,18 @@
+
+major_version       equ     4       ;Major DOS version
+minor_version       equ     00      ;Minor DOS Version
+
+expected_version    equ     (MINOR_VERSION SHL 8)+MAJOR_VERSION
+
+       if1
+       %OUT  ... for DOS Version 4.00 ...
+       endif
+
+       ;******************************
+       ;Each assembler program should:
+       ;  mov ah,030h                   ;DOS Get Version function
+       ;  int 021h                      ;Version ret. in AX,minor version first
+       ;  cmp ax,expected_version       ;ALL utilities should check for an
+       ;  jne error_handler             ; EXACT version match.
+       ;******************************
+