285 			stop("Prefix multiply defined",
289 			stop("Unable to record prefix", EX_SOFTWARE);
297 			stop("Patch argument list multiply defined",
301 			stop("Unable to record patch arg list", EX_SOFTWARE);
318 				stop("Register multiply defined", EX_DATAERR);
397 				stop("SCB or SRAM space exhausted", EX_DATAERR);
445 			stop("Valid register modes range between 0 and 4.",
458 			stop("Only \"const\" symbols allowed in "
463 			stop("Valid register modes range between 0 and 4.",
540 			stop("Re-definition of register alias",
554 			stop("Only one accumulator definition allowed",
566 			stop("Only one mode pointer definition allowed",
578 			stop("Only one definition of allones allowed",
590 			stop("Only one definition of allzeros allowed",
602 			stop("Only one definition of none allowed",
614 			stop("Only one definition of sindex allowed",
727 			stop(errbuf, EX_DATAERR);
741 			stop("Re-definition of symbol as a constant",
752 			stop("Invalid downloaded constant declaration",
757 			stop("Re-definition of symbol as a downloaded constant",
771 			stop("Re-definition of symbol as a macro",
806 			stop("Comma without preceding argument in arg list",
848 				stop("Only one SRAM definition allowed",
897 			stop("register offset must be a constant", EX_DATAERR);
901 			stop("Accessing offset beyond range of register",
912 			stop("Accessing offset beyond range of register",
922 			stop("No accumulator has been defined", EX_DATAERR);
952 			stop(errbuf, EX_DATAERR);
1008 			stop("Critical Section within Critical Section",
1024 			stop("Unballanced 'end_cs'", EX_DATAERR);
1043 			stop("Program label multiply defined", EX_DATAERR);
1113 			stop("'else if' without leading 'if'", EX_DATAERR);
1138 			stop("'else' without leading 'if'", EX_DATAERR);
1154 			stop("Unexpected '}' encountered", EX_DATAERR);
1166 			stop("Unexpected '}' encountered", EX_DATAERR);
1441 				stop("Empty Field, or Enum", EX_DATAERR);
1452 		stop("Field definition mirrors a definition of the same "
1456 		stop("Field redefined with a conflicting value", EX_DATAERR);
1462 		stop("Field defined multiple times for register", EX_DATAERR);
1477 		stop("Call to initialize_symbol with type field unset",  in initialize_symbol()
1487 			stop("Can't create register info", EX_SOFTWARE);  in initialize_symbol()
1508 			stop("Can't create alias info", EX_SOFTWARE);  in initialize_symbol()
1521 			stop("Can't create field info", EX_SOFTWARE);  in initialize_symbol()
1532 			stop("Can't create alias info", EX_SOFTWARE);  in initialize_symbol()
1542 			stop("Can't create label info", EX_SOFTWARE);  in initialize_symbol()
1552 			stop("Can't create conditional info", EX_SOFTWARE);  in initialize_symbol()
1562 			stop("Can't create macro info", EX_SOFTWARE);  in initialize_symbol()
1570 		stop("Call to initialize_symbol with invalid symbol type",  in initialize_symbol()
1585 		stop("Invalid current symbol for adding macro arg",  in add_macro_arg()
1592 		stop("Can't create macro_arg structure", EX_SOFTWARE);  in add_macro_arg()
1600 		stop("Regex text buffer too small for arg",  in add_macro_arg()
1606 		stop("Regex compilation failed", EX_SOFTWARE);  in add_macro_arg()
1616 		stop("Invalid current symbol for adding macro arg",  in add_macro_body()
1622 		stop("Can't duplicate macro body text", EX_SOFTWARE);  in add_macro_body()
1635 		stop(errbuf, EX_DATAERR);  in process_register()
1645 		stop(errbuf, EX_DATAERR);  in process_register()
1751 		stop("illegal shift value", EX_DATAERR);  in format_2_instr()
1778 		stop("Invalid shift operation specified", EX_SOFTWARE);  in format_2_instr()
1830 		stop(errbuf, EX_DATAERR);  in test_readable_symbol()
1834 		stop("Write Only register specified as source",  in test_readable_symbol()
1847 		stop(errbuf, EX_DATAERR);  in test_writable_symbol()
1851 		stop("Read Only register specified as destination",  in test_writable_symbol()
1887 		stop(errbuf, EX_DATAERR);  in type_check()
1909 				stop(errbuf, EX_DATAERR);  in type_check()
1934 			stop("Conditional expression '0' "  in add_conditional()
1949 		stop("Conditional expression conflicts with a symbol",  in add_conditional()
1973 		stop("Can't allocate version string", EX_SOFTWARE);  in add_version()
1983 	stop(string, EX_DATAERR);  in yyerror()