private string FormatBinaryOperation(Instruction instruction)
{
Opcode65 opcode65 = instruction.Data[0];
if (opcode65.Type == Argument2)
{
return($"mov {FormatNumber(NumberSpec.FromAddress(opcode65.DestinationAddress))}, {FormatNumber(opcode65.Argument2)}");
}
if (opcode65.Type == Zero)
{
return($"mov {FormatNumber(NumberSpec.FromAddress(opcode65.DestinationAddress))}, 0");
}
return(opcode65.Type switch
{
Add => "add",
Subtract => "sub",
Multiply => "mul",
Divide => "div",
Remainder => "rem",
BitwiseAnd => "and",
BitwiseOr => "or",
BitwiseXor => "xor",
LeftShift => "lsh",
RightShift => "rsh",
_ => throw new ArgumentOutOfRangeException(),
} +$" {FormatNumber(NumberSpec.FromAddress(opcode65.DestinationAddress))}, " + FormatNumber(opcode65.Argument1) + ", " + FormatNumber(opcode65.Argument2));
}
private static int Opcode65Length(Opcode65 value)
{
if (value.ShouldHaveFirstArgumentSeparatelyEncoded)
{
return(1 + 2 + NumberLength(value.Argument1) + NumberLength(value.Argument2));
}
return(1 + 2 + NumberLength(value.Argument2));
}