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Add an optional testing whitelist.
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@ -262,17 +262,28 @@ template <typename M68000> struct Tester {
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// Use a fixed seed to guarantee continuity across repeated runs.
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srand(68000);
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std::set<InstructionSet::M68k::Operation> test_set = {
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InstructionSet::M68k::Operation::ABCD,
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InstructionSet::M68k::Operation::SBCD,
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InstructionSet::M68k::Operation::MOVEb,
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InstructionSet::M68k::Operation::MOVEw,
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InstructionSet::M68k::Operation::MOVEl,
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InstructionSet::M68k::Operation::PEA,
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InstructionSet::M68k::Operation::MOVEtoSR,
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InstructionSet::M68k::Operation::MOVEtoCCR,
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InstructionSet::M68k::Operation::JSR,
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InstructionSet::M68k::Operation::DIVU,
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InstructionSet::M68k::Operation::RTE,
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InstructionSet::M68k::Operation::RTR,
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InstructionSet::M68k::Operation::TAS,
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};
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std::set<InstructionSet::M68k::Operation> failing_operations;
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for(int c = 0; c < 65536; c++) {
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printf("%04x\n", c);
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// Test only defined opcodes.
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// Test only defined opcodes that aren't STOP (which will never teminate).
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const auto instruction = decoder.decode(uint16_t(c));
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// if(
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// instruction.operation != InstructionSet::M68k::Operation::RTE
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// ) {
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// continue;
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// }
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if(
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instruction.operation == InstructionSet::M68k::Operation::Undefined ||
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instruction.operation == InstructionSet::M68k::Operation::STOP
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@ -280,6 +291,11 @@ template <typename M68000> struct Tester {
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continue;
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}
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// If a whitelist is in place, adhere to it.
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if(!test_set.empty() && test_set.find(instruction.operation) == test_set.end()) {
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continue;
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}
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// Test each 1000 times.
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for(int test = 0; test < 1000; test++) {
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// Establish with certainty the initial memory state.
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@ -321,7 +337,7 @@ template <typename M68000> struct Tester {
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//
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// Net effect will be 50% fewer transaction comparisons for instructions that
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// can trigger an address error.
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if(oldState.program_counter != 0x1404 || newState.registers.program_counter != 0x1404) {
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// if(oldState.program_counter != 0x1404 || newState.registers.program_counter != 0x1404) {
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const auto &oldTransactions = oldTester->bus_handler.transactions;
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const auto &newTransactions = newTester->bus_handler.transactions;
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@ -355,7 +371,7 @@ template <typename M68000> struct Tester {
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++newIt;
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++oldIt;
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}
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}
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// }
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// Compare registers.
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bool mismatch = false;
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