diff --git a/Readme.unix b/Readme.unix
index dbcf93b7..8814e28c 100644
--- a/Readme.unix
+++ b/Readme.unix
@@ -19,10 +19,14 @@ with respect to the .DS directive. it's usually a bad idea to mix
 It assumes that you have some standard system tools and libraries 
 installed, specifically: gcc, gnu make, libncurses, and srecord.
 Typically, something like this will take care of adding all
-required packages:
+required packages in Linux:
 
 	sudo apt install build-essential libncurses-dev srecord
 
+For MacOS, you will need:
+
+	brew install srecord
+
 To build:
 	cd to the top directory and type "make".
 
@@ -40,8 +44,7 @@ the "SCZ180" platform:
 
 	make ROM_PLATFORM=SCZ180 ROM_CONFIG=126
 
-Please be aware that the make-based build does have a couple of
-deficiencies.
+Please be aware that the make-based build does have a few deficiencies.
 
 First and most important, the Makefiles do not handle reruns very well.
 To ensure a full buld, use "make clobber" from the top level directory
diff --git a/Tools/unix/zxcc/readme.txt b/Tools/unix/zxcc/ReadMe.txt
similarity index 100%
rename from Tools/unix/zxcc/readme.txt
rename to Tools/unix/zxcc/ReadMe.txt
diff --git a/Tools/zxcc/zxcc-src.zip b/Tools/zxcc/zxcc-src.zip
index 16bedad5..1ae919e4 100644
Binary files a/Tools/zxcc/zxcc-src.zip and b/Tools/zxcc/zxcc-src.zip differ
diff --git a/Tools/zxcc/zxcc.exe b/Tools/zxcc/zxcc.exe
index 54681729..c51614da 100644
Binary files a/Tools/zxcc/zxcc.exe and b/Tools/zxcc/zxcc.exe differ
diff --git a/Tools/zxcc/zxccdbg.exe b/Tools/zxcc/zxccdbg.exe
index 543aac00..f5f2adfb 100644
Binary files a/Tools/zxcc/zxccdbg.exe and b/Tools/zxcc/zxccdbg.exe differ