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b00cd988cf
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Cleaned up boot_code
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2023-03-03 19:36:28 +00:00 |
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e1bb98c0f0
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Updated toolchain versions and run project through aspell
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2023-03-03 06:54:33 +00:00 |
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f60084344e
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Overhauled cpu frontend. Made memory byte addressable (necessary), cleaned up state machine and fixed small bug with MOV
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2023-03-03 06:29:06 +00:00 |
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70a9ce6368
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Forgot to remove it from proc_state_def.v
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2023-02-26 02:48:39 +00:00 |
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f7d76f1944
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Removed useless state in the state machine and ran the project through aspell
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2023-02-26 02:46:43 +00:00 |
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0c36e9d78c
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Added message about compilation process on the compiler and fixed Makefile dependencies
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2023-02-25 01:42:45 +00:00 |
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6e8d951360
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Increased the accessible memory and got the Mandelbrot renderer working under the brainfuck compiler!
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2023-02-24 17:38:23 +00:00 |
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6ea34a3525
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Added MOV Immidiate to REG/MEM
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2023-02-24 15:25:45 +00:00 |
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5af6d720c3
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Fixed ADD again and some memory read logic. Compiler runs the default brainfuck message program!!
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2023-02-24 14:10:07 +00:00 |
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3e484a0ceb
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Added register indirect unconditional jump
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2023-02-24 13:04:32 +00:00 |
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9ed3dc3312
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Fixed bug introduced in a previous commit about fixing ADD
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2023-02-24 12:48:03 +00:00 |
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96b7a4d298
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Added the SUB instruction (piggybacking off of ADD) AND THE COMPILER FINISHES GENERATING CODE!!
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2023-02-24 12:47:32 +00:00 |
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808827cbdd
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Fixed arg bug in ADD
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2023-02-24 11:54:13 +00:00 |
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355c673a37
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Added a POP instruction
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2023-02-24 11:31:15 +00:00 |
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c3580848de
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Added bitwise TEST instruction
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2023-02-24 10:08:01 +00:00 |
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abee49d6c3
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Implemented PUSH instruction, fixed register addressing bug and a RET bug
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2023-02-24 07:32:27 +00:00 |
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a189da249c
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Added STOS instruction. Native brainfuck compiler started generating code!
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2023-02-24 05:01:55 +00:00 |
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e684db8348
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Added support to CMP for compare memory to opcode parameter, added support for both PROC_DE_LOAD_?_PARAM and PROC_MEMIO_READ at the same command and associated changes
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2023-02-24 02:18:48 +00:00 |
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c4ac55d4c3
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Implemented the RET instruction,fixed CALL bug, clarified MOD naming and usage
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2023-02-23 14:48:48 +00:00 |
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1efef45266
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Added missing license notices
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2023-02-22 01:58:08 +00:00 |
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cac01f0333
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Fixed Makefile bug
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2023-02-22 01:51:14 +00:00 |
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7fde422341
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Added Microcode support, Stack, implemented the CALL instruction in microcode and grouped the wires on the decoder module
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2023-02-22 01:28:23 +00:00 |
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619702384b
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Wrote an optimised native brainfuck compiler intended to be the default program running on release v0.1 utilising a good precentage of the 8086 instruction set
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2023-02-19 21:42:59 +00:00 |
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e2e9a92832
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Cleaned the decoder a bit and laid down some of the groundwork for microcode
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2023-02-19 16:22:23 +00:00 |
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e6c9c722e3
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Run the project through aspell and tweaked the README
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2023-02-19 00:52:52 +00:00 |
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fd4a9b5442
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Fixed register addressing bug, mem read endianness, cleaned up code and added a provisional project logo
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2023-02-19 00:20:53 +00:00 |
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82bd859874
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Moved the decoding of opcodes into a separate module and optimised memory reads
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2023-02-17 18:08:09 +00:00 |
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ed3d7101d3
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Further improved build system and changed brainfuck print message
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2023-02-16 23:26:32 +00:00 |
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ded47555a5
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Improved build system and project directory structure
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2023-02-16 01:52:02 +00:00 |
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5e0c990394
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It is Turing complete! Running the Mandelbrot renderer with the brainfuck interpreter. Improved addressing modes and added CMP immediate with register instruction
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2023-02-15 03:54:12 +00:00 |
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f4d28cf4c8
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Added 16bit unaligned register indirect writes, fixed some MOV bugs, clean up code names and data flow
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2023-02-15 01:28:02 +00:00 |
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c3563457c5
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Finished MOV Reg/Mem to/from register
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2023-02-14 15:49:29 +00:00 |
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f97f4625e6
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Added unconditional jumps and support for signed addition
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2023-02-14 14:48:35 +00:00 |
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037f6dd7da
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Added support for writing to memory
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2023-02-14 13:13:40 +00:00 |
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7c1067088c
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Properly licensed the project and run it through aspell
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2023-02-13 16:49:17 +00:00 |
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0d4221f9de
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Added config file (mainly for debug verbosity) and kind of patched some weird behaviour when clock is stopped
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2023-02-13 15:24:21 +00:00 |
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16e02e0788
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Added conditional jump support!
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2023-02-13 10:36:37 +00:00 |
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923bf07c72
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Fixed ALU bug and added missed updates to the Wbit
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2023-02-12 01:28:37 +00:00 |
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c684348e38
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Implemented a CMP instruction and the some of the flags
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2023-02-12 01:05:39 +00:00 |
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0901af23db
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Added support for some register indirect addressing modes. Also added documentation comments and did some general cleanup
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2023-02-11 20:27:28 +00:00 |
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85bf886223
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Improved ALU and added more INC and a DEC instruction
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2023-02-11 14:43:53 +00:00 |
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be06244021
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Improved register file addressing and printout
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2023-02-11 13:41:12 +00:00 |
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abe263aa57
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Removed erroneous file
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2023-02-11 01:16:52 +00:00 |
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d7eb4f36c0
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Wrote very basic brainfuck interpreter in 8086 asm to work on making it run and prove Turing completeness
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2023-02-11 01:12:54 +00:00 |
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fd31eb704c
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Made the simulation stop at an unrecognised instruction or other error
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2023-02-11 01:05:19 +00:00 |
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fc4ecdb8d2
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Added HLT instruction, made testbench count total clock cycles and write memdump and fixed reset timing
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2023-02-10 18:21:19 +00:00 |
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cd918302cc
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Removed now useless register init code and changed disas command name
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2023-02-10 15:41:38 +00:00 |
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bba230fbce
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Added the MOV immediate to register instruction
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2023-02-10 15:41:04 +00:00 |
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e685c52ddd
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Improved instruction decoding
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2023-02-10 14:39:34 +00:00 |
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6561018206
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Made the processor actually little-endian
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2023-02-10 14:09:08 +00:00 |
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