1 /* `Deep Thought', a softcore CPU implemented on a FPGA
3 Copyright (C) 2010 Markus Hofstaetter <markus.manrow@gmx.at>
4 Copyright (C) 2010 Martin Perner <e0725782@student.tuwien.ac.at>
5 Copyright (C) 2010 Stefan Rebernig <stefan.rebernig@gmail.com>
6 Copyright (C) 2010 Manfred Schwarz <e0725898@student.tuwien.ac.at>
7 Copyright (C) 2010 Bernhard Urban <lewurm@gmail.com>
9 This program is free software: you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation, either version 3 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with this program. If not, see <http://www.gnu.org/licenses/>. */
35 #include <boost/regex.hpp>
42 bool m_Z, m_S, m_C, m_O, m_breakNext;
44 CDat m_pc, m_pc_next, m_perf;
45 CMem<CDat> m_reg, m_ram;
46 CPMem<Iinstr*> m_prog;
52 static const int EXT_MODEL_OFFSET = 0x2000;
55 void registerExtension() {};
56 void applyToExtensions(const vector<string>& in);
62 CDat getRegister(const int) const;
63 void setRegister(const int, CDat);
65 CDat getRAM(const int) const;
66 void setRAM(const int, CDat);
68 Iinstr* getProg(const int) const;
69 void setProg(const int, Iinstr*);
71 void registerExtension(Iext*);
76 void incPerfBy(short);
78 CDat getCurPC() const;
79 CDat getNextPC() const;
82 CDat getFlags() const;
84 /* will only change zero and sign */
85 void updateFlags(CDat);
86 /* will change all flags */
87 void updateFlags(CDatd, CDat, CDat);
88 /* will change all flags */
89 void updateFlags(bool z, bool o, bool c, bool s);
90 /* will change carry */
91 void updateCarry(bool c);
95 bool conditionMet(short);
98 void setStack(const int);
100 string colorifyInstr(string instr);