Remember that to generate SIC object code, we will need to make two passes through the assembly file. Pass one generates the symbol table and pass two uses the symbol table and op codes to generate the object file. You will be doing pass two via project 2. Think about this in your design.
There are some validation checks which should be done during pass one. You should carefully consider the errors in the SIC assembly file input that can and should be discovered during pass one and when encountered in the source file, generate an appropriate error message and stop the assembly process. There are AT LEAST FOUR errors which pass one should be able to detect and report (all of which should HALT the assembly process and generate an error message).
For example: if an error is found with the input assembly file, you should stop the process of creating the symbol table and output the following:
<The contents of the source line of assembly which contains the error><CrLf>
Line <line #> <Description of Error Encountered><CrLf>
If the SIC assembly file is valid, then project 1 should output, its symbol table. For each symbol, there should be one line of output: the symbol name followed by a <tab> character, followed by the hexadecimal address of the symbol, followed by a <CrLf>.
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