| 85 |
friend class processor; |
friend class processor; |
| 86 |
}; |
}; |
| 87 |
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| 88 |
class processor { |
class vmachine { |
| 89 |
private: |
private: |
| 90 |
PSR psr; |
PSR psr; |
| 91 |
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| 93 |
internal_reg nPC; |
internal_reg nPC; |
| 94 |
cache ICache; |
cache ICache; |
| 95 |
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| 96 |
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sum Add1; |
| 97 |
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| 98 |
// phase 2. ID (instruction decode) |
// phase 2. ID (instruction decode) |
| 99 |
internal_reg PC, IR; |
internal_reg PC, IR; |
| 100 |
// Registers |
// Registers |
| 101 |
// const |
// const |
| 102 |
mplexer Mpx3; |
mplexer Mpx3; |
| 103 |
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| 104 |
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sum Add2; |
| 105 |
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mplexer Mpx1; |
| 106 |
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| 107 |
// phase 3. EX/AC (execution/address calculation) |
// phase 3. EX/AC (execution/address calculation) |
| 108 |
unsigned char OP; |
unsigned char OP; |
| 109 |
internal_reg pPC, A1, A2, R; |
internal_reg pPC, A1, A2, R; |
| 113 |
// shifter |
// shifter |
| 114 |
// ALU |
// ALU |
| 115 |
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| 116 |
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mplexer Mpx2; |
| 117 |
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| 118 |
// phase 4. MA (memory access) |
// phase 4. MA (memory access) |
| 119 |
unsigned char pOP; |
unsigned char pOP; |
| 120 |
internal_reg T, pR; |
internal_reg T, pR; |
| 127 |
internal_reg pT, D; |
internal_reg pT, D; |
| 128 |
internal_reg ppDR; |
internal_reg ppDR; |
| 129 |
mplexer Mpx9; |
mplexer Mpx9; |
| 130 |
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| 131 |
public: |
public: |
| 132 |
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vmachine::vmachine( void ); |
| 133 |
}; |
}; |
| 134 |
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| 135 |
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