stage0/CHANGELOG.org

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## Copyright (C) 2016 Jeremiah Orians
## This file is part of stage0.
##
## stage0 is free software: you an redistribute it and/or modify
## it under the terms of the GNU General Public License as published by
## the Free Software Foundation, either version 3 of the License, or
## (at your option) any later version.
##
## stage0 is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
## GNU General Public License for more details.
##
## You should have received a copy of the GNU General Public License
## along with stage0. If not, see <http://www.gnu.org/licenses/>.
* Current
** Added
Incorporated High level prototypes into makefile
** Changed
Extended VPATH in makefile to shorten dependency names
** Fixed
** Removed
* 0.0.7 - 2017-06-03
** Added
Added HACKING guide covering critical sections
Added rom building steps to make
Added more advanced cleaning options to makefile
Extended stage2 lisp with null?
Extended stage2 lisp with string=?
Exported DEHEX rom image to makefile and added checksum
** Changed
Cleaned up x86 notes and moved into x86 folder
Changed the results of make all to include all of the essential roms
Made makefile parallel build friendly
** Fixed
Fixed failure to lookup symbols that are identical but are in different lexical scopes
Updated Bootstrapping instructions to reflect new checksum and recommendation for most minimal requirements
Fixed flaws in existing makefile
Added build instructions to README and listed dependencies
Imported High level prototypes for new functions
** Removed
Purged notes that no longer apply or belong outside of stage0
Removed redundent clean options from makefile
* 0.0.6 - 2017-05-20
** Added
Added absolute addresses to High level assembler output to aid in debugging of complex assembly programs
Added Let expressions to High Level prototype lisp
Added Let expressions to stage2 lisp implementation
** Changed
Converted High level prototype lisp from dynamic scope to Lexical
Converted stage2 lisp implementation from dynamic scope to Lexical
** Fixed
Made Web debugger provide more useful information
Fixed regression in web debugger's ability to read input files
Fixed regression in stage2 lisp garbage collection interacting with let expressions
Fixed SHA256SUM of stage2 lisp to match new binary result
** Removed
* 0.0.5 - 2017-05-06
** Added
Added write to lisp
Added Cell Compactor to Lisp garbage collector resulting with multiple performance improvements
Added bootstrapping steps documentation
Added ability to specify amount of Available RAM on a Per run basis, however 16KB is the default
** Changed
Correct lisp High level prototype to include line comments
Changed default RAM to 16KB
Updated bootstrap documentation to match the memory requirements of the individual steps
** Fixed
Fixed missing traces when memory outside of world are accessed when profiling
Imported improved High Level Lisp Prototype
Updated bootstrap documentation to reflect change in Lisp sha256sum caused by recent performance upgrade
** Removed
* 0.0.4 - 2017-02-18
** Added
+ Added missing primitives from High level prototype to lisp implementation
+ Improved Eval's debugging messages
** Changed
+ Readline function no longer displays EOF Char should the user terminate input with Ctrl-d
** Fixed
+ Corrected Eval's processing of ASCII type
+ Make IF statements behave correctly
+ Enabled support for negative numbers
+ Properly display Integer Cells with the value of ZERO
** Removed
+ Removed Eval's default behavior of unknown input
* 0.0.3 - 2017-02-17
** Added
+ Added a primitive Lisp implementation in assembly
+ Gave primitive Lisp an exact garbage collector for CELLs (aka everything but strings)
+ Added a concatination program to make dealing with line macros easier for M0-macro programmers
** Changed
+ Enhanced Forth to better fit memory space
** Fixed
Fixed arrangement of spaces in forth to prevent the small input space bug
** Removed
* 0.0.2 - 2016-11-01
** Added
+ Created xeh tool in C for more cross platform debugging
+ Created M0 in hex2
+ Documented build steps in notes.org
+ Imported CMPSKIP instructions that operate on 2 registers
+ Imported CMPJUMP instructions that operate on 3 registers
+ Incorporated bounds checking on all vm->Memory accesses
+ Wrote the forth implementation in assembly
** Changed
+ Renamed xeh1 files to match current naming standard
+ created roms/ to store previously built roms and expanded .gitignore to prevent binary blobs from being checked in.
+ Revised stage0 Monitor to utilize ANDI and updated the Hex0 version to incorporate the enhancements made previously
** Fixed
+ Fixed leading char bug in M0
+ Updated Checksums to reflect updates in stage1_assembler-2
+ Corrected CMPSKIP(u) to CMPSKIP(u)I to match current naming scheme for instructions
+ Corrected CMPJUMP(u) to CMPJUMP(u)I to match current naming scheme for instructions
** Removed
* 0.0.1 - 2016-10-02
** Added
+ Initial draft of change log added
** Changed
+ Reorganization of Files to group files by stage
** Fixed
+ Line Macro assembler M0 is now self hosting