Update README.md

Made clearer the need to not mix MUD84 sources or binaries (from tape branch) with these MUD86 sources, as they are not compatible and will fail to compile or run as expected.

diff --git a/README.md b/README.md
index 6da6a3c4328e7040b1e2cfe56a8e30f0f2d0579c..9dec17b202b2bcf73c58f22418b40c970a818769 100644 (file)
--- a/README.md
+++ b/README.md
@@ -29,3 +29,6 @@ death are handled differntly so you dont need multiple dead rooms. Hence this mu
 the tape in the zip branch.
 
 Full build instructions including how to set up a PDP10 with TOPS-10 using SIMH is at https://www.quentin.org.uk/tag/pdp10/
+
+Do not mix MUD84 sources or binaries (from tape) with these MUD86 sources as they are not compatable and will fail to compile
+or run as expected.