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* Add test for asm-disasm-asm, fix bug with labelsDavid Phillips2019-08-03
| | | | | | | | | | | | | | This adds a support script for future expansion of an asm->disasm->asm series of tests, which will at minimum ensure some parity between the assembler and disassembler. Lower level tests to ensure correct behaviour rather than just symmetrical behaviour belong in another set of tests. This patch also fixes the assembler's behaviour around numeric labels. Many other assemblers support entirely numeric labels, and the output of the disassembler includes them. The assembler has been adjusted to lex a probably-numeric as a label if it is at the start of the line. Otherwise, old label behavour and old numeric behaviour is left in place.
* Misc tidy up of assembler sourcesDavid Phillips2019-08-03
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* Add support for // /**/ style commentsDavid Phillips2019-08-03
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* Fix bug lexing char valuesDavid Phillips2019-08-03
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* More unused code removalDavid Phillips2019-08-03
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* Remove superfluous printfs, factor reg table lookupDavid Phillips2019-08-03
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* emit_error -> emit, factor keywords outDavid Phillips2019-08-03
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* Dirst dump of working prototypeDavid Phillips2019-08-03