M examples/print-stdin.xyw → examples/print-stdin.xyw

@@ -1,10 +1,16 @@ 
 
 .include "devices.xyw" 
+
+; Set on_keypress event handler
 print-key terminal.on_keypress STW
+; End program
 end JMPw
 
+; on_keypress event handler
 .label print-key
+    ; Print typed character
     terminal.input LDB terminal.output STB
+    ; Print new line
     $0A terminal.output STB
     BRK