func (this *Decoder) decodeInstruction(op *operation.Operation) (*instruction.Instruction, error) {
startCycles := this.Processor().Cycles()
// Do decode once a data instruction is received
instruction, err := this.Processor().InstructionsSet().GetInstructionFromBytes(op.Word())
if err != nil {
return nil, errors.New(fmt.Sprintf("Failed decoding instruction %#04X. %s]", op.Word(), err.Error()))
}
logger.Collect(" => [DE%d][%03d]: %#04X = %s, %s", this.Index(), op.Id(), op.Word(), instruction.Info.ToString(), instruction.Data.ToString())
// Wait cycles of a decode stage
this.Processor().Wait(consts.DECODE_CYCLES)
// Log event
if this.IsActive() {
this.Processor().LogEvent(consts.DECODE_EVENT, this.Index(), op.Id(), startCycles)
}
return instruction, nil
}
