281 			stop("Prefix multiply defined",
285 			stop("Unable to record prefix", EX_SOFTWARE);
293 			stop("Patch argument list multiply defined",
297 			stop("Unable to record patch arg list", EX_SOFTWARE);
314 				stop("Register multiply defined", EX_DATAERR);
393 				stop("SCB or SRAM space exhausted", EX_DATAERR);
441 			stop("Valid register modes range between 0 and 4.",
454 			stop("Only \"const\" symbols allowed in "
459 			stop("Valid register modes range between 0 and 4.",
536 			stop("Re-definition of register alias",
550 			stop("Only one accumulator definition allowed",
562 			stop("Only one mode pointer definition allowed",
574 			stop("Only one definition of allones allowed",
586 			stop("Only one definition of allzeros allowed",
598 			stop("Only one definition of none allowed",
610 			stop("Only one definition of sindex allowed",
723 			stop(errbuf, EX_DATAERR);
737 			stop("Re-definition of symbol as a constant",
748 			stop("Invalid downloaded constant declaration",
753 			stop("Re-definition of symbol as a downloaded constant",
767 			stop("Re-definition of symbol as a macro",
802 			stop("Comma without preceding argument in arg list",
844 				stop("Only one SRAM definition allowed",
893 			stop("register offset must be a constant", EX_DATAERR);
897 			stop("Accessing offset beyond range of register",
908 			stop("Accessing offset beyond range of register",
918 			stop("No accumulator has been defined", EX_DATAERR);
948 			stop(errbuf, EX_DATAERR);
1004 			stop("Critical Section within Critical Section",
1020 			stop("Unballanced 'end_cs'", EX_DATAERR);
1039 			stop("Program label multiply defined", EX_DATAERR);
1109 			stop("'else if' without leading 'if'", EX_DATAERR);
1134 			stop("'else' without leading 'if'", EX_DATAERR);
1150 			stop("Unexpected '}' encountered", EX_DATAERR);
1162 			stop("Unexpected '}' encountered", EX_DATAERR);
1437 				stop("Empty Field, or Enum", EX_DATAERR);
1448 		stop("Field definition mirrors a definition of the same "
1452 		stop("Field redefined with a conflicting value", EX_DATAERR);
1458 		stop("Field defined multiple times for register", EX_DATAERR);
1473 		stop("Call to initialize_symbol with type field unset",  in initialize_symbol()
1483 			stop("Can't create register info", EX_SOFTWARE);  in initialize_symbol()
1504 			stop("Can't create alias info", EX_SOFTWARE);  in initialize_symbol()
1517 			stop("Can't create field info", EX_SOFTWARE);  in initialize_symbol()
1528 			stop("Can't create alias info", EX_SOFTWARE);  in initialize_symbol()
1538 			stop("Can't create label info", EX_SOFTWARE);  in initialize_symbol()
1548 			stop("Can't create conditional info", EX_SOFTWARE);  in initialize_symbol()
1558 			stop("Can't create macro info", EX_SOFTWARE);  in initialize_symbol()
1566 		stop("Call to initialize_symbol with invalid symbol type",  in initialize_symbol()
1581 		stop("Invalid current symbol for adding macro arg",  in add_macro_arg()
1588 		stop("Can't create macro_arg structure", EX_SOFTWARE);  in add_macro_arg()
1596 		stop("Regex text buffer too small for arg",  in add_macro_arg()
1602 		stop("Regex compilation failed", EX_SOFTWARE);  in add_macro_arg()
1612 		stop("Invalid current symbol for adding macro arg",  in add_macro_body()
1618 		stop("Can't duplicate macro body text", EX_SOFTWARE);  in add_macro_body()
1631 		stop(errbuf, EX_DATAERR);  in process_register()
1641 		stop(errbuf, EX_DATAERR);  in process_register()
1747 		stop("illegal shift value", EX_DATAERR);  in format_2_instr()
1774 		stop("Invalid shift operation specified", EX_SOFTWARE);  in format_2_instr()
1826 		stop(errbuf, EX_DATAERR);  in test_readable_symbol()
1830 		stop("Write Only register specified as source",  in test_readable_symbol()
1843 		stop(errbuf, EX_DATAERR);  in test_writable_symbol()
1847 		stop("Read Only register specified as destination",  in test_writable_symbol()
1883 		stop(errbuf, EX_DATAERR);  in type_check()
1905 				stop(errbuf, EX_DATAERR);  in type_check()
1930 			stop("Conditional expression '0' "  in add_conditional()
1945 		stop("Conditional expression conflicts with a symbol",  in add_conditional()
1969 		stop("Can't allocate version string", EX_SOFTWARE);  in add_version()
1979 	stop(string, EX_DATAERR);  in yyerror()