Update README.md

quad/README.md

@@ -16,7 +16,9 @@ implementation the "virtual quad". This is done in `src/virt_quad`.
 
 ## Building
 
-To build the libraries:
+### Primarily Libraries and Executables
+
+To build the libraries and executables:
 ```
 make
 ```
@@ -27,9 +29,13 @@ directories:
 cd src/<project> && make
 ```
 
-To build the XSDK project, use the XSDK IDE. Source the proper XSDK files, and
-then start up the XSDK IDE. Be sure to select the `xsdk_workspace` directory
-in the quad directory as your "workspace":
+**NOTE**: All build artifacts will be placed in `quad/lib` or `quad/bin`
+(depending on whether it is a library or executable, respectively)
+
+### XSDK Project (what runs on the Zybo)
+To build the XSDK project, use the XSDK IDE. Refer to the [Xilinx How-to](doc/how_to_use_xilinx_tools.pdf)
+for more instructions. Be sure to select the `xsdk_workspace` directory in the
+quad directory as your "workspace."
 
 ## Testing
 
@@ -41,6 +47,9 @@ Run the unit and functional tests:
 make test
 ```
 
+And glad to hear you are interested in writing your own unit tests! Look at the
+README and examples in our simple testing library at `src/test`.
+
 ### Manually testing the hardware interface
 
 Of course, we cannot run automated tests on code that needs the Zybo. But