public InstructionLogicResult ExecuteWithByte(CPU cpu, Memory mem, byte value, AddrModeCalcResult addrModeCalcResult)
{
BinaryArithmeticHelpers.SetFlagsAfterCompare(cpu.A, value, cpu.ProcessorStatus);
return(InstructionLogicResult.WithExtraCycles(
InstructionExtraCyclesCalculator.CalculateExtraCycles(
addrModeCalcResult.OpCode.AddressingMode,
addrModeCalcResult.AddressCalculationCrossedPageBoundary)
));
}
public InstructionLogicResult ExecuteWithByte(CPU cpu, Memory mem, byte value, AddrModeCalcResult addrModeCalcResult)
{
bool branchSucceeded = false;
bool addressCalculationCrossedPageBoundary = false;
if(!cpu.ProcessorStatus.Carry)
{
// The instruction value is signed byte with the relative address (positive or negative)
cpu.PC = BranchHelper.CalculateNewAbsoluteBranchAddress(cpu.PC, (sbyte)value, out ulong _, out addressCalculationCrossedPageBoundary);
branchSucceeded = true;
}
return InstructionLogicResult.WithExtraCycles(
InstructionExtraCyclesCalculator.CalculateExtraCyclesForBranchInstructions(
branchSucceeded,
addressCalculationCrossedPageBoundary)
);
}
