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Diffstat (limited to 'ue3/mycpu/cinstruction.h')
| -rw-r--r-- | ue3/mycpu/cinstruction.h | 196 |
1 files changed, 196 insertions, 0 deletions
diff --git a/ue3/mycpu/cinstruction.h b/ue3/mycpu/cinstruction.h new file mode 100644 index 0000000..d393e09 --- /dev/null +++ b/ue3/mycpu/cinstruction.h | |||
| @@ -0,0 +1,196 @@ | |||
| 1 | /** | ||
| 2 | * @module cinstruction | ||
| 3 | * @author Guenther Neuwirth (0626638), Manuel Mausz (0728348) | ||
| 4 | * @brief abstract class cpu instructions | ||
| 5 | * @date 17.04.2009 | ||
| 6 | */ | ||
| 7 | |||
| 8 | #ifndef CINSTRUCTION_H | ||
| 9 | #define CINSTRUCTION_H | ||
| 10 | #include <map> | ||
| 11 | #include <vector> | ||
| 12 | #include "cmem.h" | ||
| 13 | |||
| 14 | |||
| 15 | |||
| 16 | /** | ||
| 17 | * @class CInstruction | ||
| 18 | * | ||
| 19 | * Parses a simple line based scriptfile with some limitations: | ||
| 20 | * first function (starting a block) must be a read-command, | ||
| 21 | * last must be a write-command (ending this block). | ||
| 22 | * | ||
| 23 | * read- and write-commands have hard coded parameters, number#1 being a filetype. | ||
| 24 | * Classes handling certain filetypes must be of type CFile. | ||
| 25 | * Custom functions will be passed to CFile::callFunc(). | ||
| 26 | * | ||
| 27 | * On error ParserError will be thrown. | ||
| 28 | */ | ||
| 29 | class CInstruction | ||
| 30 | { | ||
| 31 | public: | ||
| 32 | |||
| 33 | |||
| 34 | |||
| 35 | |||
| 36 | /** | ||
| 37 | * @method ~CInstruction | ||
| 38 | * @brief Default dtor | ||
| 39 | * @param - | ||
| 40 | * @return - | ||
| 41 | * @globalvars none | ||
| 42 | * @exception none | ||
| 43 | * @conditions none | ||
| 44 | */ | ||
| 45 | virtual ~CInstruction() | ||
| 46 | {} | ||
| 47 | |||
| 48 | |||
| 49 | virtual void exec(CMem& mem, std::vector<std::string>& instr) = 0; | ||
| 50 | |||
| 51 | |||
| 52 | |||
| 53 | |||
| 54 | }; | ||
| 55 | |||
| 56 | |||
| 57 | |||
| 58 | |||
| 59 | class CFlagInstruction : public CInstruction | ||
| 60 | { | ||
| 61 | public: | ||
| 62 | |||
| 63 | void exec(CMem& mem, std::vector<std::string>& instr) | ||
| 64 | {} | ||
| 65 | virtual void exec(CMem& mem, std::vector<std::string>& instr, bool& flag) = 0; | ||
| 66 | |||
| 67 | |||
| 68 | }; | ||
| 69 | |||
| 70 | |||
| 71 | |||
| 72 | class CInc : public CInstruction | ||
| 73 | { | ||
| 74 | public: | ||
| 75 | virtual void exec(CMem& mem, std::vector<std::string>& instr); | ||
| 76 | }; | ||
| 77 | |||
| 78 | |||
| 79 | class CDec : public CInstruction | ||
| 80 | { | ||
| 81 | public: | ||
| 82 | virtual void exec(CMem& mem, std::vector<std::string>& instr); | ||
| 83 | }; | ||
| 84 | |||
| 85 | |||
| 86 | |||
| 87 | class CAdd : public CInstruction | ||
| 88 | { | ||
| 89 | public: | ||
| 90 | virtual void exec(CMem& mem, std::vector<std::string>& instr); | ||
| 91 | }; | ||
| 92 | |||
| 93 | |||
| 94 | |||
| 95 | class CSub : public CInstruction | ||
| 96 | { | ||
| 97 | public: | ||
| 98 | virtual void exec(CMem& mem, std::vector<std::string>& instr); | ||
| 99 | }; | ||
| 100 | |||
| 101 | |||
| 102 | |||
| 103 | class CMul : public CInstruction | ||
| 104 | { | ||
| 105 | public: | ||
| 106 | virtual void exec(CMem& mem, std::vector<std::string>& instr); | ||
| 107 | }; | ||
| 108 | |||
| 109 | |||
| 110 | |||
| 111 | class CDiv : public CInstruction | ||
| 112 | { | ||
| 113 | public: | ||
| 114 | virtual void exec(CMem& mem, std::vector<std::string>& instr); | ||
| 115 | }; | ||
| 116 | |||
| 117 | |||
| 118 | |||
| 119 | class CLoad : public CInstruction | ||
| 120 | { | ||
| 121 | public: | ||
| 122 | virtual void exec(CMem& mem, std::vector<std::string>& instr); | ||
| 123 | }; | ||
| 124 | |||
| 125 | |||
| 126 | |||
| 127 | class CStore : public CInstruction | ||
| 128 | { | ||
| 129 | public: | ||
| 130 | virtual void exec(CMem& mem, std::vector<std::string>& instr); | ||
| 131 | }; | ||
| 132 | |||
| 133 | class CTest : public CFlagInstruction | ||
| 134 | { | ||
| 135 | public: | ||
| 136 | void exec(CMem& mem, std::vector<std::string>& instr, bool& flag) | ||
| 137 | {} | ||
| 138 | virtual void test(CMem& mem, std::vector<std::string>& instr, | ||
| 139 | bool& f_zero, bool& f_sign); | ||
| 140 | }; | ||
| 141 | |||
| 142 | |||
| 143 | class CLabel : public CInstruction | ||
| 144 | { | ||
| 145 | public: | ||
| 146 | void exec(CMem& mem, std::vector<std::string>& instr) | ||
| 147 | {} | ||
| 148 | |||
| 149 | }; | ||
| 150 | |||
| 151 | |||
| 152 | class CJumpa : public CInstruction | ||
| 153 | { | ||
| 154 | public: | ||
| 155 | CJumpa(std::map<std::string, unsigned int>& jumpaddr) | ||
| 156 | : m_jumpaddr(jumpaddr) | ||
| 157 | {} | ||
| 158 | virtual void exec(CMem& mem, std::vector<std::string>& instr); | ||
| 159 | protected: | ||
| 160 | std::map<std::string, unsigned int> m_jumpaddr; | ||
| 161 | }; | ||
| 162 | |||
| 163 | |||
| 164 | class CJumpz : public CFlagInstruction | ||
| 165 | { | ||
| 166 | public: | ||
| 167 | CJumpz(std::map<std::string, unsigned int>& jumpaddr) | ||
| 168 | : m_jumpaddr(jumpaddr) | ||
| 169 | {} | ||
| 170 | virtual void exec(CMem& mem, std::vector<std::string>& instr, bool& f_zero); | ||
| 171 | protected: | ||
| 172 | std::map<std::string, unsigned int> m_jumpaddr; | ||
| 173 | }; | ||
| 174 | |||
| 175 | |||
| 176 | class CJumps : public CFlagInstruction | ||
| 177 | { | ||
| 178 | public: | ||
| 179 | CJumps(std::map<std::string, unsigned int>& jumpaddr) | ||
| 180 | : m_jumpaddr(jumpaddr) | ||
| 181 | {} | ||
| 182 | virtual void exec(CMem& mem, std::vector<std::string>& instr, bool& f_sign); | ||
| 183 | protected: | ||
| 184 | std::map<std::string, unsigned int> m_jumpaddr; | ||
| 185 | }; | ||
| 186 | |||
| 187 | |||
| 188 | |||
| 189 | class CWrite : public CInstruction | ||
| 190 | { | ||
| 191 | public: | ||
| 192 | virtual void exec(CMem& mem, std::vector<std::string>& instr); | ||
| 193 | }; | ||
| 194 | |||
| 195 | #endif | ||
| 196 | /* vim: set et sw=2 ts=2: */ | ||
