pairs for all predefined symbols recognized by the assembler.
Also used by the disassembling routines.
(tic80_symbol_to_value): New function.
(tic80_value_to_symbol): New function.
* tic80-dis.c (print_operand_control_register,
print_operand_condition_code, print_operand_bitnum):
Remove private tables and use tic80_value_to_symbol function.