 glm94
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be91e3c112
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Updated the parser to better handle parameters, sort of and including a string length assembly program to use as a test for the whole assembler.
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2022-10-03 21:26:28 +00:00 |
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glm94
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706f480e31
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The Scanner will now check for empty lines (is the previous token and the current token a new line?) and simply not emit a NewLine Token.
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2022-10-03 19:40:00 +00:00 |
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glm94
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a949007c75
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Updated the ISA so the program will correctly see things like 'load', 'inc' and 'dec'.
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2022-10-03 16:56:39 +00:00 |
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glm94
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a0d5d62a34
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Fixed a bug in the Scanner when parsing a hex number, still not super robust but it'll work.
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2022-10-03 15:20:31 +00:00 |
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glm94
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f7cd87f13f
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Started reworking the Parser to simplify how instructions will be represented. It will act like a 'first pass' that will do grammar checks but not verify the parameters of the opcodes.
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2022-10-02 22:54:18 -05:00 |
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glm94
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55f4c32764
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Missed this for the Scanner fix.
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2022-10-02 22:12:16 -05:00 |
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glm94
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097eca383b
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Fixed a bug with the Scanner adding a blank line via a single NewLine Token when a file starts with a block of comments.
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2022-10-01 20:43:55 -05:00 |
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glm94
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984683bfc5
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Minor adjustment to Figure 1.1
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2022-09-29 22:57:12 -05:00 |
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glm94
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0f42ad2997
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Updated the ISA and added links in the table of contents.
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2022-09-29 22:11:19 -05:00 |
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glm94
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63438b551b
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Got the scanner running again. Seems to be picking up punctuation, labels, identifiers and strings as expected.
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2022-09-29 21:32:08 -05:00 |
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glm94
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e94e486e18
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More refinements to the loading data instructions. I am truly bad at this whole thing...
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2022-09-29 20:42:37 +00:00 |
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glm94
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2b71ac05a0
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Added a note about a proposal regarding assembly language design.
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2022-09-27 17:46:50 +00:00 |
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glm94
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02cf72902e
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Updated the load instructions.
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2022-09-26 22:13:48 -05:00 |
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glm94
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afa84076c8
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Added a command to make generating an opcode table a one liner. Updated the ISA.
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2022-09-23 19:36:27 +00:00 |
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glm94
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925f7703d6
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Updated the ISA, hopefully I can get this all put together in a thought out way.
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2022-09-22 20:49:20 +00:00 |
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glm94
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a82a4c23ad
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Updated the docs.
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2022-09-21 21:44:38 -05:00 |
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glm94
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f5c82d1c36
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Added a LaTex document to put in writing how the machine should behave.
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2022-09-21 16:23:11 +00:00 |
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glm94
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0b58e0124f
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Some refactoring to update everything to use the new structures and some new considerations for how Symbols and Instructions shoudl be represented.
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2022-09-15 22:14:38 -05:00 |
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glm94
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2ae60a607c
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Incomplete, but I want to make sure the ideas I have here don't get wiped. Sadly this commit won't compile.
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2022-09-15 21:29:27 +00:00 |
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glm94
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6d17dffcdf
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Added a SymbolTable object (untested at the moment) and redefined the Symbol object. I think when a Symbol is made only the size of it should matter to the code that will assemble the final binary.
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2022-09-08 20:56:02 +00:00 |
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glm94
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2518214585
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Added a length attribute to the symbol.
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2022-09-06 14:15:45 +00:00 |
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glm94
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7004fff659
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This feels like a trainwreck but eh. Changed the way the opcodes are managed. Hopefully this is the right direction when I add support for multiple ASM files.
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2022-09-01 18:46:59 +00:00 |
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glm94
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13f8ff194b
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Smoothbrain indeed...
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2022-08-30 22:48:49 -05:00 |
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glm94
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dac01ffd0c
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Changed the TokenClass from opcode to nomic, a less smoothbrain name IMO and also frees up Opcode for a better use later on.
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2022-08-30 22:06:50 -05:00 |
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glm94
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3c7056c5e6
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The main function will now write out the output of the parser.
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2022-08-29 21:23:02 +00:00 |
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glm94
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6c7b8d5356
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Fixed a bug where CMP REG, REG wouldn't get encoded and a disassembler bug related to said CMP bug.
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2022-08-29 19:29:34 +00:00 |
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glm94
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5f437b6869
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Both the assembler and the disassembler should now support all the instructions I've layed out thus far.
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2022-08-29 18:51:48 +00:00 |
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glm94
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e3b4293314
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Fixed a bug in the parser where the size of the binary was too big.
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2022-08-29 18:02:11 +00:00 |
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glm94
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ae1e73e00f
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Fixed a bug to correct the location of symbols in the heap.
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2022-08-29 16:00:02 +00:00 |
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glm94
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7385a807a5
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Created a basic binary format to help guide the disassembler.
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2022-08-29 15:57:14 +00:00 |
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glm94
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0d3f8a460e
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Added more instructions for the parser to emit and refactored the code in doing so.
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2022-08-28 15:37:56 -05:00 |
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glm94
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c2111e2b88
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Added support for the ADD and SUB opcodes to the disassembler.
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2022-08-28 13:08:18 -05:00 |
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glm94
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8e9d1aefe8
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Fixed some disassembler issues. At least some instuctions are being disassembled correctly.
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2022-08-26 21:43:03 -05:00 |
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glm94
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0785f21805
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Added a disassembler which is still very buggy. Also fixed some bugs with the opcode mask getting function.
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2022-08-26 21:41:02 +00:00 |
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glm94
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e4a191a17e
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Refined the encoding some more.
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2022-08-26 19:00:37 +00:00 |
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glm94
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eb5e2c506e
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Got the start of encoding opcodes.
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2022-08-26 18:27:41 +00:00 |
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glm94
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0d060248cb
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Forgot about the bloody IN instruction...
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2022-08-25 21:01:35 -05:00 |
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glm94
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80bea6f1a8
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I'm dumb, fixed the CMP opcode overlap..
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2022-08-25 20:57:33 -05:00 |
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glm94
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a96f485da6
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I believe I have the bit patterns for my opcodes worked out.
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2022-08-25 20:45:46 -05:00 |
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glm94
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88d550f344
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Added unconditional jump opcode to my comment section.
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2022-08-25 20:27:25 -05:00 |
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glm94
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0e53f9798f
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Added a distinction between constant numbers and what are effectively memory addresses (i.e. strings and labels).
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2022-08-25 19:47:16 -05:00 |
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glm94
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03d5660677
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Seems I fixed the memory offset bugs, so far anyway...
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2022-08-25 19:54:47 +00:00 |
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glm94
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4f6d5f652e
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Made use of the Symbols Table, and started the proccess of determining the memory location of opcodes and variables.
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2022-08-25 19:06:05 +00:00 |
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glm94
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64326937b1
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Added a LineEnd token type.
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2022-08-25 18:37:25 +00:00 |
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glm94
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89ab951c6a
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Refactored the parsing code just a touch.
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2022-08-24 21:23:14 +00:00 |
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glm94
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947de1d14c
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Added support for declaring a variable with the '.db' directive. Address calculations still need to be done, but at the very least the variable's name is showing up in the symbols table.
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2022-05-16 15:17:19 +00:00 |
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glm94
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3c4cce0883
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Added assembler directives as a class of token.
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2022-05-16 14:27:49 +00:00 |
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glm94
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5265666178
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Got the Parser to, so far, correctly (minus memory leaks) parse out and report errors with opcodes and their parameters.
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2022-05-12 23:16:02 -05:00 |
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glm94
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2de3538d80
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Parser is now mostly setup for the 'peek and advance' pattern. Still having infinite loop issues somewhere though.
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2022-05-12 21:30:02 +00:00 |
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glm94
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72525959f6
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Reworked the tokens to include a broad class to make parameter matching a bit easier, and removed the hexadecimal distinction.
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2022-05-12 20:26:14 +00:00 |
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