Hello world for MACRO-10.

src/hello/hello.mac

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+	TITLE HELLO WORLD
+
+;Hello world example for MACRO-10, for running under DECUUO.
+
+;MACRO-10 is not a native program, so it's running under the TOPS-10
+;emulator DECUUO.  It outputs a relocatable file for the TOPS-10
+;LOADER or LINK.  The linked program must be specially prepared for
+;running under DECUUO.
+
+;To assemble, type
+;  :cwd hello
+;  :macro
+;  *hello=hello.mac
+;  *^C
+;To link and dump a DECUUO program, type
+;  :dec sys:loader
+;  *hello/g
+;  *45$g
+;  Command: dump
+;  *:pdump ts hello
+
+	SEARCH UUOSYM
+
+START:	RESET
+	OUTSTR [ASCIZ /HELLO TOPS-10/]
+	EXIT 1,
+	JRST START
+
+END START