311 lines
12 KiB
Org Mode
311 lines
12 KiB
Org Mode
## Copyright (C) 2016 Jeremiah Orians
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## This file is part of stage0.
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##
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## stage0 is free software: you can redistribute it and/or modify
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## it under the terms of the GNU General Public License as published by
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## the Free Software Foundation, either version 3 of the License, or
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## (at your option) any later version.
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##
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## stage0 is distributed in the hope that it will be useful,
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## but WITHOUT ANY WARRANTY; without even the implied warranty of
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## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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## GNU General Public License for more details.
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##
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## You should have received a copy of the GNU General Public License
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## along with stage0. If not, see <http://www.gnu.org/licenses/>.
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* Current
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** Added
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Added support for envp in cc_x86.s
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Added support for --POSIX-MODE to allow cross-platform testing to be easier
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Expanded the disassembler's support of HALCODE to include POSIX instructions
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Imported from mescc-tools:
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for AMD64:
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catm in hex0, M1 and NASM
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hex0 in hex0, M1 and NASM
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hex1 in hex0, hex1, M1 and NASM
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hex2 in hex1, hex2, M1 and NASM
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M0 in hex2, M1 and NASM
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cc_x86 in NASM
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for x86:
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catm in hex0, M1 and NASM
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hex0 in hex0, M1 and NASM
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hex1 in hex0, hex1, M1 and NASM
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hex2 in hex1, hex2, M1 and NASM
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M0 in hex2, M1 and NASM
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cc_x86 in M1 and NASM
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** Changed
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Reduced stack usage thanks to akkartik
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Changed argv, argc behavior in cc_x86.s
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updated stage3/M2-Planet_x86.c to commit 56db0fcad4b3362d14d20e69a17e45d751c264a5
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updated stage3/get_machine.c to new form for M2-Planet
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Moved previous Linux bootstrap files to Legacy_pieces
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** Fixed
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Add debug label
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Correct sha256sum that wasn't updated by change
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Fixed checksums that were wrong in previous commit
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Fixed description of RET to clarify order of operations
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** Removed
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* 0.2.0 - 2018-08-26
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** Added
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Added an x86 C compiler capable of Building M2-Planet from source
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Added M2-Planet v1.0 as a single file
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Added M1-Macro Generated from 40537c0200ad28cd5090bc0776251d5983ef56e3 in mescc-tools
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Added hex2_linker Generated from 40537c0200ad28cd5090bc0776251d5983ef56e3 in mescc-tools
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Added blood-elf Generated from 40537c0200ad28cd5090bc0776251d5983ef56e3 in mescc-tools
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Added get_machine Generated from 40537c0200ad28cd5090bc0776251d5983ef56e3 in mescc-tools
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** Changed
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** Fixed
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** Removed
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* 0.1.0 - 2018-03-20
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** Added
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Added the ability to remove watch points in the webide
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Added program to search for unusual characters that are not human detectable
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** Changed
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Expanded stage0 web IDE to include the PC and instruction counter
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Performance tuned hex1 to reduce both size and instruction count
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Performance tuned hex0 to reduce both size and instruction count
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Performance tuned hex2 to reduce both size and instruction count
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The stage0 vm now halts on ALL invalid instructions
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Displacements in the Stage0-vm no longer match that of the Knight hardware platform; instead of from the start of the instruction, from the end of the immediate to the target address.
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The Stage0-vm has relocated the 2OPI and 1OPI instructions and adjusted their encodings accordingly to simplify instruction size logic.
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The Skip class instructions now lookup the first byte of the instruction that follows them and skips the appropriate size instead of 4 bytes always.
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The assembler, disassembler and definitions files were adjusted accordingly
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** Fixed
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Fixed behavior of R@ thanks to reepca
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Updated changed checksums for stage2 FORTH
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Corrected behavior when using the web IDE and attempting to set registers that don't exist
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Fixed regression in hex.c caused by refactoring
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Fixed output of large negative numbers in hex
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Updated checksums to reflect changed made in performance tuning
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Fixed M0 performance by a factor of 4
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** Removed
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Removed stage1_assembler-0's need for Memory and reduced size of program while at it
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Removed stage1_assembler-1's hex1 implementation as it ended up being useless in bootstrapping
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Removed stage1_assembler-2's hex0 and hex2 implementation as it ended up being useless in bootstrapping
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Removed Checksums.org as it didn't really end up as useful at this time.
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* 0.0.9 - 2017-08-17
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** Added
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[CHAR] was incorporated into stage3 FORTH to reduce ascii lookup
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UNTIL was incorporated into stage3 FORTH
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'DODOES was incorporated into stage2 FORTH
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LATEST! was incorporated into stage2 FORTH
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R@ was incorporated into stage2 FORTH
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DODOES was incorporated into stage2 FORTH
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DOVAR was incorporated into stage2 FORTH
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Added a variable BASE to control what base numbers are printed in stage3 FORTH
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Added BOUNDS for common setup for sequence-iterating loops in stage3 FORTH
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Added region-comment "(" (note that it doesn't nest) to stage3 FORTH
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Added hex dump printer DUMP and support words to stage3 FORTH
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Added DOES> and supporting words, and used it to make VARIABLE, CONSTANT, and DEFER in stage3 FORTH
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Added TUCK, MIN, SPACES, :NONAME, FILL, and <> to stage3 FORTH
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Added LSHIFT and RSHIFT to stage2 FORTH
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Added PRINT to stage2 FORTH
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Added Low memory detection to stage2 FORTH and now exits gracefully
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Added Low memory detection to stage2 Lisp and now exists gracefully
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Improved ISA Notes about M0 and hex2 to help bootstrappers
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Added rain1's new user forth starting script, which is not actually required for bootstrapping but rather convenience
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Added Most primitive raw string support to stage2 lisp
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Added integer->char and char->integer to stage2 lisp
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Added string->list primitive to stage2 lisp
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Added char? primitive to stage2 lisp
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Added string? primitive to stage2 lisp
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Added make_string internal function to stage2 lisp
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Added list->string primitive to stage2 lisp
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Added number? and symbol? to stage2 lisp
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Added apply to stage2 lisp
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Imported ascension.scm library
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** Changed
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Minor refactor of stage3 FORTH by reepa
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Stage3 FORTH WHILE's compile-time stack effect is now consistent with gforth
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Changed behavior of stage2 FORTH's CREATE to better match the way it usually works.
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Stage0 vm now will show an error message if the size of the rom exceeds the available memory
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Modified stage3 forth library to dump upper case hex values
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Modified stage3 forth JUMP-TO, to support 32bit absolute addresses
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Converted from ascii to CHAR in stage2 lisp
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** Fixed
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Updated checksums to reflect changes in stage2 FORTH
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Fixed dis behavior in regards to hex values in strings
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Updated checksums to reflect changes in stage2 Lisp
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Added missing library reference form stage2 lisp High level prototype
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Fixed bug in stage2 FORTH PRINT function
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Updated changed stage2 lisp Checksums to match
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Made stage3 Forth better comply with new stage0 encoding recommendation.
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** Removed
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the HERE and DP! are gone from ' now in stage3 FORTH
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Removed ascii! from stage2 lisp because it can easily be replaced by a simple function
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* 0.0.8 - 2017-06-17
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** Added
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Incorporated High level prototypes into makefile
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Added logic to catch non-existent input files and report a useful error message
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Added DP! to stage2 forth
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Added EXECUTE to stage2 forth
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Added ABORT to stage2 forth
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Added string print and address to output of High level prototype disassembler
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Added initial prototype library for forth developers who want better ANS support
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Expanded stage0 VM Halcode to provide a way to lookup total amount of physical memory
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** Changed
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Extended VPATH in makefile to shorten dependency names
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Updated checksum for stage2 forth
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Reversed the order of operands in stage2 forth arithmetic
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Modified webIDE to leverage new enhanced disassembler output
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Altered stage2 forth KEY to echo keypress so that S" and similiar functions behave like gforth
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Altered EXECUTE in stage2 forth to set R12 and load its pointer and jump
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** Fixed
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Stack offset bug in stage2 forth was found and fixed by reepca in record time
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Fixed 2DUP and ?DUP in stage2 forth
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Swapped TRUE and FALSE values in stage2 forth to match http://lars.nocrew.org/dpans/dpans3.htm#3.1.3
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Adjusted order of comparisions to better match ans
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Stack leak in stage2 forth found and corrected
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Stage2 forth no longer attempts to parse carriage returns
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Stage2 forth now will display and error and clear the stacks in the event of an undefined input
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Stage2 forth now respects the HIDDEN Flag
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Stage2 forth now no longer clears during CMOVE to better comply with the spec
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** Removed
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Removed need for sponge to be used to run webIDE
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* 0.0.7 - 2017-06-03
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** Added
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Added HACKING guide covering critical sections
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Added rom building steps to make
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Added more advanced cleaning options to makefile
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Extended stage2 lisp with null?
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Extended stage2 lisp with string=?
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Exported DEHEX rom image to makefile and added checksum
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** Changed
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Cleaned up x86 notes and moved into x86 folder
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Changed the results of make all to include all of the essential roms
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Made makefile parallel build friendly
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** Fixed
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Fixed failure to lookup symbols that are identical but are in different lexical scopes
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Updated Bootstrapping instructions to reflect new checksum and recommendation for most minimal requirements
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Fixed flaws in existing makefile
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Added build instructions to README and listed dependencies
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Imported High level prototypes for new functions
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** Removed
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Purged notes that no longer apply or belong outside of stage0
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Removed redundent clean options from makefile
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* 0.0.6 - 2017-05-20
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** Added
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Added absolute addresses to High level assembler output to aid in debugging of complex assembly programs
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Added Let expressions to High Level prototype lisp
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Added Let expressions to stage2 lisp implementation
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** Changed
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Converted High level prototype lisp from dynamic scope to Lexical
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Converted stage2 lisp implementation from dynamic scope to Lexical
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** Fixed
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Made Web debugger provide more useful information
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Fixed regression in web debugger's ability to read input files
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Fixed regression in stage2 lisp garbage collection interacting with let expressions
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Fixed SHA256SUM of stage2 lisp to match new binary result
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** Removed
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* 0.0.5 - 2017-05-06
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** Added
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Added write to lisp
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Added Cell Compactor to Lisp garbage collector resulting with multiple performance improvements
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Added bootstrapping steps documentation
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Added ability to specify amount of Available RAM on a Per run basis, however 16KB is the default
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** Changed
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Correct lisp High level prototype to include line comments
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Changed default RAM to 16KB
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Updated bootstrap documentation to match the memory requirements of the individual steps
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** Fixed
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Fixed missing traces when memory outside of world are accessed when profiling
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Imported improved High Level Lisp Prototype
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Updated bootstrap documentation to reflect change in Lisp sha256sum caused by recent performance upgrade
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** Removed
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* 0.0.4 - 2017-02-18
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** Added
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+ Added missing primitives from High level prototype to lisp implementation
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+ Improved Eval's debugging messages
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** Changed
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+ Readline function no longer displays EOF Char should the user terminate input with Ctrl-d
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** Fixed
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+ Corrected Eval's processing of ASCII type
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+ Make IF statements behave correctly
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+ Enabled support for negative numbers
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+ Properly display Integer Cells with the value of ZERO
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** Removed
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+ Removed Eval's default behavior of unknown input
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* 0.0.3 - 2017-02-17
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** Added
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+ Added a primitive Lisp implementation in assembly
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+ Gave primitive Lisp an exact garbage collector for CELLs (aka everything but strings)
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+ Added a concatination program to make dealing with line macros easier for M0-macro programmers
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** Changed
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+ Enhanced Forth to better fit memory space
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** Fixed
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Fixed arrangement of spaces in forth to prevent the small input space bug
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** Removed
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* 0.0.2 - 2016-11-01
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** Added
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+ Created xeh tool in C for more cross platform debugging
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+ Created M0 in hex2
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+ Documented build steps in notes.org
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+ Imported CMPSKIP instructions that operate on 2 registers
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+ Imported CMPJUMP instructions that operate on 3 registers
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+ Incorporated bounds checking on all vm->Memory accesses
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+ Wrote the forth implementation in assembly
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** Changed
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+ Renamed xeh1 files to match current naming standard
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+ created roms/ to store previously built roms and expanded .gitignore to prevent binary blobs from being checked in.
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+ Revised stage0 Monitor to utilize ANDI and updated the Hex0 version to incorporate the enhancements made previously
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** Fixed
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+ Fixed leading char bug in M0
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+ Updated Checksums to reflect updates in stage1_assembler-2
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+ Corrected CMPSKIP(u) to CMPSKIP(u)I to match current naming scheme for instructions
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+ Corrected CMPJUMP(u) to CMPJUMP(u)I to match current naming scheme for instructions
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** Removed
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* 0.0.1 - 2016-10-02
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** Added
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+ Initial draft of change log added
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** Changed
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+ Reorganization of Files to group files by stage
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** Fixed
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+ Line Macro assembler M0 is now self hosting
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