namespace X86Disassembler.X86.Handlers.Test;
using X86Disassembler.X86.Operands;
///
/// Handler for TEST AL, imm8 instruction (0xA8)
///
public class TestAlImmHandler : InstructionHandler
{
///
/// Initializes a new instance of the TestAlImmHandler class
///
/// The instruction decoder that owns this handler
public TestAlImmHandler(InstructionDecoder decoder)
: base(decoder)
{
}
///
/// Checks if this handler can decode the given opcode
///
/// The opcode to check
/// True if this handler can decode the opcode
public override bool CanHandle(byte opcode)
{
return opcode == 0xA8;
}
///
/// Decodes a TEST AL, imm8 instruction
///
/// The opcode of the instruction
/// The instruction object to populate
/// True if the instruction was successfully decoded
public override bool Decode(byte opcode, Instruction instruction)
{
// Set the instruction type
instruction.Type = InstructionType.Test;
if (!Decoder.CanReadByte())
{
return false;
}
// Read the immediate value
byte imm8 = Decoder.ReadByte();
// Create the register operand for AL
var alOperand = OperandFactory.CreateRegisterOperand(RegisterIndex.A, 8);
// Create the immediate operand
var immOperand = OperandFactory.CreateImmediateOperand(imm8, 8);
// Set the structured operands
instruction.StructuredOperands =
[
alOperand,
immOperand
];
return true;
}
}