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Implements INA and DEA.

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This commit is contained in:
Thomas Harte 2018-08-08 22:30:19 -04:00
parent bb680b40d8
commit 6f838fe190
3 changed files with 10 additions and 3 deletions
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2
Processors/6502/Implementation/6502Implementation.hpp
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@ -367,6 +367,8 @@ if(number_of_cycles <= Cycles(0)) break;
case OperationINC: operand_++; negative_result_ = zero_result_ = operand_; continue;
case OperationDEC: operand_--; negative_result_ = zero_result_ = operand_; continue;
case OperationINA: a_++; negative_result_ = zero_result_ = a_; continue;
case OperationDEA: a_--; negative_result_ = zero_result_ = a_; continue;
case OperationINX: x_++; negative_result_ = zero_result_ = x_; continue;
case OperationDEX: x_--; negative_result_ = zero_result_ = x_; continue;
case OperationINY: y_++; negative_result_ = zero_result_ = y_; continue;

4
Processors/6502/Implementation/6502Storage.cpp
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@ -269,6 +269,10 @@ ProcessorStorage::ProcessorStorage(Personality personality) {
OperationCorrectAddressHigh, CycleReadPCLFromAddress, // (5) read from real (addr+x)
CycleReadPCHFromAddressInc // (6) read from addr+x+1
));
// Add INA and DEA.
Install(0x1a, Program(OperationINA));
Install(0x3a, Program(OperationDEA));
}
#undef Install
}

7
Processors/6502/Implementation/6502Storage.hpp
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@ -54,9 +54,10 @@ class ProcessorStorage {
OperationASO, OperationROL, OperationRLA, OperationLSR,
OperationLSE, OperationASR, OperationROR, OperationRRA,
OperationCLC, OperationCLI, OperationCLV, OperationCLD,
OperationSEC, OperationSEI, OperationSED, OperationINC,
OperationDEC, OperationINX, OperationDEX, OperationINY,
OperationDEY,
OperationSEC, OperationSEI, OperationSED,
OperationINC, OperationDEC, OperationINX, OperationDEX,
OperationINY, OperationDEY, OperationINA, OperationDEA,
OperationBPL, OperationBMI, OperationBVC, OperationBVS,
OperationBCC, OperationBCS, OperationBNE, OperationBEQ,