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58 lines
1.6 KiB
C++
58 lines
1.6 KiB
C++
10 months ago
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// sprit-forth: A portable subroutine-threaded Forth.
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// Copyright (C) 2023 Clyne Sullivan <clyne@bitgloo.com>
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//
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// This library is free software; you can redistribute it and/or modify it
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// under the terms of the GNU Library General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or (at your
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// option) any later version.
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//
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// This library is distributed in the hope that it will be useful, but WITHOUT
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// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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// FOR A PARTICULAR PURPOSE. See the GNU Library General Public License for
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// more details.
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//
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// You should have received a copy of the GNU Library General Public License
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// along with this library; if not, write to the Free Software Foundation, Inc.,
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// 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
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#ifndef STATE_HPP
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#define STATE_HPP
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#include "types.hpp"
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constexpr Addr DS = 16;
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constexpr Addr RS = 16;
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constexpr Addr DIdxBase = 0;
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constexpr Addr DIdxHere = 1;
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constexpr Addr DIdxLatest = 2;
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constexpr Addr DIdxState = 3;
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constexpr Addr DIdxSource = 4;
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constexpr Addr DIdxSrcLen = 5;
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constexpr Addr DIdxInBuf = 6;
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constexpr Addr DIdxBegin = DIdxInBuf + 80 * sizeof(char);
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extern std::array<Cell, 2048> DICT;
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extern Cell& HERE;
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extern Cell& LATEST;
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extern Cell& STATE;
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extern Cell *SP;
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extern Cell *RP;
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extern FuncList IP;
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inline void initialize(const auto& wordset)
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{
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LATEST = (Cell)wordset.latest;
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HERE = (Cell)&DICT[DIdxBegin];
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STATE = 0;
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}
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void executor(FuncList *list);
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void execute1(Word *word);
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Word *find(const char *s, int len);
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#endif // STATE_HPP
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