X-Git-Url: https://jxself.org/git/?a=blobdiff_plain;f=README.md;h=1544643aeb43f89a4fa171102ba9428d22957c0f;hb=4ac271f03b0b4ece4802d0fd08b45f73bec17924;hp=ed8917be83bc8f494695bc41e628da6585967a17;hpb=bab072f950a643ac109660a223b57e635492ac25;p=pdp10-muddle.git

diff --git a/README.md b/README.md
index ed8917b..1544643 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,12 @@
-MIDAS Muddle for TOPS-20.
+## PDP-10 Muddle written in MIDAS assembly language
 
+`<mdl.int>` contains Muddle for TOPS-20, from around 1981.
 There should also be support for ITS, but it won't build as is.
+
+`<mdl.comp>` contains a TOPS-20 Muddle compiler from around 1982.
+
+`<sys.unsupported>` contains a few progams in the Muddle ecosystem.
+
+`MUDDLE` contains Muddle for ITS, from around 1973.
+
+`mim` contains Machine-Independent MDL for TOPS-20 and VAX.