120: (null) - 120 GR0 in operand x
121: (null) - 121 cannot get operand token
122: (null) - 122 cannot create hash table
-123: (null) - 123 unkown error
-124: (null) - 124 unkown error
+123: (null) - 123 unclosed quote
+124: (null) - 124 more than one character in literal
201: (null) - 201 execute - out of COMET II memory
202: (null) - 202 SVC input - out of Input memory
203: (null) - 203 SVC output - out of COMET II memory
120: foobar - 120 foobar: GR0 in operand x
121: foobar - 121 foobar: cannot get operand token
122: foobar - 122 foobar: cannot create hash table
-123: foobar - 123 foobar: unkown error
-124: foobar - 124 foobar: unkown error
+123: foobar - 123 foobar: unclosed quote
+124: foobar - 124 foobar: more than one character in literal
201: foobar - 201 foobar: execute - out of COMET II memory
202: foobar - 202 foobar: SVC input - out of Input memory
203: foobar - 203 foobar: SVC output - out of COMET II memory