Cleaned up the MACRO-10 assembly demos

apps/pdp10/tests/macro10/README.md

@@ -13,6 +13,8 @@ machines:
 PDPjs MACRO-10 Mini-Assembler Tests
 -----------------------------------
 
+### Nested Macro Test
+
 The PDP-10 machine below automatically loads and assembles [TEXT.MAC](TEXT.MAC.txt), one of the
 first tests of the built-in PDPjs MACRO-10 Mini-Assembler.
 
@@ -23,11 +25,11 @@ and pseudo-ops **IRPC**, **IFE**, **IFN**, and **EXP**.  It generates 4 words of
 
 {% include machine.html id="testka10" %}
 
-After the machine executes the following command:
+Assemble TEXT.MAC:
 
-	a 100 /apps/pdp10/tests/macro10/TEXT.MAC
+	a 100 TEXT.MAC
 
-the following results should appear:
+Verify the following results:
 
 	starting PCjs MACRO-10 Mini-Assembler...
 	loading TEXT.MAC
@@ -39,9 +41,27 @@ the following results should appear:
 	PC=000100 RA=00000000 EA=000000 C0=0 C1=0 OV=0 ND=0 PD=0 
 	000100: 014101 102103  UUO     2,102103(1)
 
-and if you dump the first 4 words with the command `db 100 l4`:
+Dump the 4 assembled words with the command `db 100 l4`:
 
 	000100: 014101 102103  003 004 011 004 041  ....!
 	000101: 104105 106107  021 004 051 014 043  ..).#
 	000102: 110111 112113  022 004 111 024 045  ..I.%
 	000103: 114000 000000  023 000 000 000 000  .....
+
+Source code from TEXT.MAC:
+ 
+{% highlight text %}
+{% include_relative TEXT.MAC.txt %}
+{% endhighlight %}
+
+### Nested Literal Test
+
+Assemble NESTLIT.MAC:
+
+    a 100 NESTLIT.MAC
+ 
+Source code from NESTLIT.MAC:
+
+{% highlight text %}
+{% include_relative NESTLIT.MAC.txt %}
+{% endhighlight %}