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intro/beagle101/code/hello.s

+# Risc-V Assembler program to print "Hello World!"
+# to stdout.
+#
+# a0-a2 - parameters to linux function services
+# a7 - linux function number
+
+.global _start     # Provide program starting address to linker
+
+# Setup the parameters to print hello world
+# and then call Linux to do it.
+
+_start: addi  a0, x0, 1     # 1 = StdOut
+        la    a1, helloworld # load address of helloworld
+        addi  a2, x0, 13    # length of our string
+        addi  a7, x0, 64    # linux write system call
+        ecall               # Call linux to output the string
+
+# Setup the parameters to exit the program
+# and then call Linux to do it.
+
+        addi    a0, x0, 0   # Use 0 return code
+        addi    a7, x0, 93  # Service command code 93 terminates
+        ecall               # Call linux to terminate the program
+
+.data
+helloworld:      .ascii "Hello World!\n"

intro/beagle101/riscv.rst

@@ -36,35 +36,12 @@ Once you've logged into your BeagleV, save the :ref:`hello.s <hello_s_source>` f
 
 .. _hello_s_source:
 
-.. code-block::
-   :filename: hello.s
+.. literalinclude:: code/hello.s
+    :language: asm
+    :caption: hello.s
+    :linenos:
 
-   # Risc-V Assembler program to print "Hello World!"
-   # to stdout.
-   #
-   # a0-a2 - parameters to linux function services
-   # a7 - linux function number
-
-   .global _start     # Provide program starting address to linker
-
-   # Setup the parameters to print hello world
-   # and then call Linux to do it.
-
-   _start: addi  a0, x0, 1     # 1 = StdOut
-           la    a1, helloworld # load address of helloworld
-           addi  a2, x0, 13    # length of our string
-           addi  a7, x0, 64    # linux write system call
-           ecall               # Call linux to output the string
-
-   # Setup the parameters to exit the program
-   # and then call Linux to do it.
-
-           addi    a0, x0, 0   # Use 0 return code
-           addi    a7, x0, 93  # Service command code 93 terminates
-           ecall               # Call linux to terminate the program
-
-   .data
-   helloworld:      .ascii "Hello World!\n"
+:download:`hello.s<code/hello.s>`
 
 Running hello.s
 ===============