Eremey Valetov
981aeabc45
- Add CHANGES.TXT with full version history (DOS-friendly format) - Add DOS/FreeDOS section to README.md - Move compiler memory safety and DOS target to Completed in roadmap - Add hal_dos.c to architecture.md module map - Add .tab-color to .gitignore
78 lines
2.3 KiB
Plaintext
78 lines
2.3 KiB
Plaintext
GW-BASIC 2026 -- Change History
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================================
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v0.17.0
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- Compiler memory safety: --warn (static analysis), --safe (checked
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integer arithmetic, enhanced array/GOSUB diagnostics), --safe=sanitize
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- 16-bit real-mode DOS target (Makefile.dos16): 128KB standalone MZ
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executable, no DOS extender required, far-heap TUI screen buffer
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- 32-bit DOS/4GW target (Makefile.dos): 175KB LE executable
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- Tested on FreeDOS 1.4
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v0.16.0
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- AOT compiler: 69/69 tests pass (100%)
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- CHAIN/COMMON/RUN "file" via runtime delegation
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- Token embedding, string comparison, division-by-zero detection
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- Compiler optimizations: constant folding, dead code elimination,
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FOR step=1 elision, fast-path expressions, selective variable sync
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- Cross-compile to DOS with OpenWatcom (24/24 files)
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v0.15.0
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- Hardware I/O simulator (8253 PIT, PPI speaker, CGA, game port)
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- 100% token coverage (all 144 GW-BASIC tokens)
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- String space pool with compacting garbage collector
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- Jupyter notebook kernel (Sixel graphics, INPUT, Pygments)
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v0.14.0
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- MBF binary file compatibility (IEEE<->MBF at save/load boundary)
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- Fix binary loader null-byte truncation
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- DRAW M/S/A bug fixes, TA/=var;/X substring support
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v0.13.0
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- VIEW/WINDOW/PALETTE graphics, PMAP function
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- MBF float format for CVS/CVD/MKS$/MKD$
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v0.12.0
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- BSAVE/BLOAD, TUI ANSI 16-color rendering
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- CGA graphics framebuffer PEEK/POKE, keyboard shift flags
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v0.11.0
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- DEF SEG / PEEK / POKE virtual memory
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- GET/PUT graphics sprites, PRINT USING fixes
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v0.10.0
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- Binary tokenized SAVE/LOAD, INKEY$ extended keys
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- Golden-file regression tests, classic BASIC programs
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v0.9.0
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- EDIT statement, ON TIMER/ON KEY event trapping
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- F-key escape parser fixes
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v0.8.0
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- Dynamic TUI screen buffer, --full flag
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- LPRINT/LLIST with --lpt
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v0.7.0
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- AUTO, RENUM (with GOTO/GOSUB patching), DELETE, COMMON
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v0.6.0
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- DATE$/TIME$/TIMER, FILES, SHELL, CHDIR, MKDIR, RMDIR
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v0.5.0
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- Full-screen TUI editor, KEY statement, Ctrl+Break
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- Sixel graphics, SOUND/BEEP/PLAY
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v0.4.0
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- CHAIN, RUN "file", random-access I/O (FIELD/PUT/GET)
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- CVI/CVS/CVD/MKI$/MKS$/MKD$
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v0.3.0
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- File I/O, PRINT USING, SAVE/LOAD, MID$ assignment
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- Graphics stubs
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v0.2.0
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- Variables, arrays, program storage, control flow
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v0.1.0
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- Expression calculator with direct mode
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