GW-BASIC reimplementation in C11, using Microsoft's open-sourced 8088 assembly as the authoritative reference. Tokenizer (CRUNCH/LIST), expression evaluator with operator precedence, all math functions (SIN, COS, TAN, ATN, SQR, LOG, EXP, RND, etc.), string functions (LEFT$, RIGHT$, MID$, CHR$, ASC, VAL, STR$, etc.), PRINT statement with comma/semicolon zones, TAB(), SPC(). Handles integer/single/double types with correct promotion, D exponent for double-precision literals, type suffixes (%, !, #), &H hex/&O octal literals, MBF conversion routines, and GW-BASIC-compatible number formatting. Platform-independent via HAL vtable; POSIX backend included.
22 lines
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22 lines
1.0 KiB
Plaintext
MIT License
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Copyright (c) 2026 Eremey Valetov
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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